CATRINA (2008), 3 (1): 11 26
© 2008 BY THE EGYPTIAN SOCIETY FOR ENVIRONMENTAL SCIENCES
PROCEEDINGS OF THE SECOND INTERNATIONAL CONFERENCE ON THE ROLE OF GENETICS AND
BIOTECHNOLOGY IN CONSERVATION OF NATURAL RESOURCES, ISMAILIA, EGYPT, JULY 9 10, 2007
Current Status of the Flora of North Sinai: Losses and Gains
Wafaa M. Kamel, Mohamed S. Zaghloul*, Raafat H. Abd El$Wahab, and Abdel$Raouf A. Moustafa
Botany Department, Faculty of Sciences, Suez Canal University, 41522 Ismailia, Egypt
ABSTRACT
Recent changes in floristic composition and structure in North Sinai due to human impact and
contemporary prevailing drought were studied. Three hundred plots distributed in one hundred sites were
sampled throughout the North Sinai covering different seasons of 2005 and 2006. Two hundred and
eighty one species were recorded belonging to 187 genera and 52 families. The collected species
included a new record to Egypt (Cyperus glaber) L., a new record to Sinai (Persicaria sengalensis
(Meisn.) Soják), and a new record to North Sinai (Eminium spiculatum (Blume) Schott subsp. negevensis
Koach & Feinbrun). The distribution of the recorded species was estimated quantitatively based on the
frequency of presence. The comparisons of the floristic composition and structure in present study with
earlier studies (1960s and 1970s) revealed that the flora of North Sinai has been changed dramatically in
the past 40 50 years. Four hundred and fifty one (62.3%) of previously recorded species were not
recorded in the present survey. Our study concluded that unless refugee sites would be established
representing different habitats in North Sinai, the documented change in floristic composition and
structure would be continue leading to more loss in flora of North Sinai.
Key words: Floristic composition and structure; North Sinai, temporal variation, human impact.
INTRODUCTION
Flora of Sinai deserts is subjected to a number of
threats, which cause populations of its unique elements
to decline in both number and size. Some of these
threats are specific to certain taxa's populations, but the
majority affects the functional communities and
ecosystems in which these populations ultimately exist
and interact with other species and the abiotic
environment (e.g. Zaghloul, 1997; Moustafa et al.,
2001; Zaghloul, 2003; and Abd El Wahab et al., 2004).
These threats are either natural or human induced. The
natural threats include drought, floods, and natural
enemies (e.g. rodents, insects, and rotting fungi).
Drought and flood years’ cycle has been observed in the
area (Zaghloul, 2003; and Abd El Wahab, 2003). While
drought and rarity of precipitation may be the prevailing
climatic pattern for seven to ten successive years, it may
be followed by rainy year/years with torrential rainfall
causing destructive flash floods destroying the
vegetation in Wadis (dry valleys) and runnels. While the
drought itself has effects on sparse vegetation in arid to
extremely arid ecosystems, it also aggravates any other
threat especially human induced ones (Abd El Wahab et
al., 2004).
Since 1981, many attempts of modern urbanization
have been made in North Sinai including projects for land
reclamation and settlement of Bedouins in places of
available fresh water resources, opening of schools, roads
construction, and availing public traffic (North Sinai
Governorate, 2004). These activities resulted in a close
contact between the area and the rest of Egypt and made
many sites and localities in remote deserts more easily
accessible. This urbanization movement has mixed values;
among the bad ones are the stressing and the destruction
of unique natural ecosystems supporting unique and
critical floristic elements of the area. Disturbances due to
human impact have been recorded in the area include
over grazing, over collecting, uprooting, over cutting
____________________________________________
* Corresponding author: zaghloul_mohamed@yahoo.com
for fuel wood, urbanization (construction of new
settlements and infrastructure, e.g. El Salam irrigation
canal), quarrying, solid wasting, and removing natural
vegetation for cultivation projects. These disturbances
lead to the destruction of natural habitats and the
disappearance of previously recorded plant communities
in which unique floristic elements live and interact,
which in turn lead to loosing diversity and to change in
floristic composition and structure of the area
(Medicinal Plants Conservation Project, 2006).
Disappearance of plant species due to prevailing
contemporary (the past 40 50 years) drought and the
aforementioned unmanaged anthropogenic practices has
been observed but not been documented. For this
reason, the present study was undertaken to evaluate the
current status of North Sinai flora and to document the
recent changes in its composition (species richness) and
structure (distribution of richness among the taxonomic
families and/or genera).
MATERIALS AND METHODS
Study area
The North Sinai lies at the north eastern corner of
Egypt between 32o 20' 34o 30' E and 30o 05' 31o 10' N
(Fig. 1). It is located along the Mediterranean Sea
starting from Balloza village at the west to Rafah at the
east. The eastern border is the eastern international
political borders of Gaza strip and Israel starting with
Rafah at the north to Taba at the south. The western
border extends from Balloza village at the north to Ras
Masala at the south. Its area is 27564 km2 (≈ 2.8% of
total Egyptian land; North Sinai Governorate, 2004).
The geographic elements of North Sinai are
distinguished into two main districts. The first is the
coastal district which includes coastal plain that extends
20 to 40 kilometers southward from the Mediterranean
coast and are covered by different types of sand dunes.
Current status of the flora of North Sinai
33o
32o
34o
Rafah
Port Said
El Sheikh Zwaied
Sabkhet
El Bardawil
Gilbana
31o
Roman
Bir El Abd
El Arish
El Mazar Bir Lehfan
G. Libni
▲
El Qantara
463 m.
G. Halal
▲
G. Maghara
Ismailia
892 m.
▲
738 m.
G. Yi'allaq
▲
1049 m
30o
Suez
El Kuntilla
Nakhl
El Naqab
Taba
Figure (1): Map of North Sinai showing the study area.
The second is the desert district (Isthmic or Tih desert)
which dominates the central part of North Sinai and
includes plateaus and prominent but isolated mountain
peaks. It forms a distinct geomorphological and
structural unit characterized by a large number of
northeast trending elliptical anticlines and intervening
synclinal depressions. These anticlines and synclines are
breached by erosion and fractured along lines that run
more or less parallel to the axes of the anticlines. It is in
radical contrast to the plateau character of central Sinai
which is made of horizontal Cretaceous and Eocene
strata (Said, 1990). This synclinal structure is obscured
by a series of superimposed structures manifested in a
number of elongated hog baked massifs that stud the
chalk plains of central Sinai. Of these Gebel El
Maghara (738 m a.s.l.), Gebel El Halal (892 m a.s.l.),
Gebel Yi'allaq (1049 m a.s.l.), and Gebel Libni (463 m
a.s.l.) are the largest.
As a part of the Saharo Arabian deserts (McGinnies
et al., 1968; Danin, 1983), North Sinai is characterized
by an arid (< 100 mm precipitation/year) to extremely
arid climate with Mediterranean influences on the
coastal area (Ayyad and Ghabbour, 1986). According to
the available fragmentary climatic data from Bir El
Abd, El Arish, Rafah, El Maghara, El Melaz, and
Nekhel meteorological stations (between 1955 and
1998), temperature changes widely between below 0o C
during winter nights to several degrees above 40o C
during the summer daytime. The annual mean
temperature is about 20o C and as a result, dew is
common expectance in winter. The mean maximum
value of temperature is recorded in August and the
mean minimum value is recorded in January. The
humidity is quite variable seasonally and spatially. It is
generally higher in winter than in summer due to the hot
dry winds blowing from the south. The Mediterranean
coastal area is more humid (74%) than the internal
deserts of North Sinai (eg. El Maghara area, the annual
mean relative humidity is 47%) and Egypt in general.
Rainfall on North Sinai varies considerably from one
year to another. The annual mean rainfall at the coastal
plain (El Arish) was 97 mm and decreased to 84 mm in
1990s, while it ranges between 40 and 50 mm at El
Maghara area. It reaches its lowest value at Nekhel
station (15.4 mm) and its highest value at Rafah (157.4
mm).
Eco geomorphologically, North Sinai could be
divided into three main areas; the Mediterranean coast,
the anticline and the inland area (Danin, 1983; Gibali,
2000). The Mediterranean coastal area which is
12
Kamel et al.
(1999, 2000, 2002 & 2005). All specimens cited are
deposited in the Suez Canal University Herbarium. Each
species was assigned a degree of occurrence following
categories of Danin et al. (1985) and using the
following subjective scale; Dom. = dominant in plant
communities in different sites over considerable area
(>14% presence); Dom. local = dominant in
communities within a relatively restricted habitat
(9<14% presence); Cp. = companion of plant
communities but not a rare plant (6<9% presence); Occ.
= occasional or rare plant (3<6% presence); Spor. =
sporadic or very rare (<3% presence). The life form was
assigned following Boulos (1995).
characterized by sparse vegetation of shrubs and semi
shrubs has open undulating sand plains dominated by
Artemisia monosperma, sand dunes dominated by the
perennial grass Stipagrostis scoparia, and sabkhas or
salt marches which are located at depressions and near
the foothills of sandy dunes (Danin, 1983; and Zahran
and Willis, 1992). The anticlinal area has sandy plains
surrounding the mountains dominated by Anabasis
articulate and Panicum turgidum, wadis supporting
Retama raetam, Acacia tortilis, Acacia pachyceras and
Tamarix nilotica or Tamarix aphylla (e.g. W. Masaged),
and anticlines with limestone, chalk, dolmite, and marl
outcrops (Danin, 1983). Slopes and gorges of the
anticlines are dominanted by Zygophyllum dumosum,
Reseda arabica, Retama raetam, Lycium shawii, and
Juniperus phoenica (Medicinal Plants Conservation
Project, 2006). The inland area has coarse texture sandy
plains near the west characterized by poor vegetation
cover of few number of species dominated by Anabasis
articulata and Artemisia monosperma; fine textured
sandy plain with scattered mobile sandy dunes of
different densities characterized by higher vegetation
especially in channels and depression between the sandy
dunes, and dominated by Stipagrostis scoparia; and
gravelly plains that are covered by sand sheets shifted
from the Mediterranean region and dominated by
Retama raetam shrubs (Medicinal Plants Conservation
Project, 2006).
Evaluating changes in floristic composition and
structure
To compare the species richness values of the current
and previous (Danin et al., 1985) surveys, the
Sørenson's similarity equation (Greig Smith, 1983) was
used. Sørenson's similarity = 2C/(A+B), where A and B
are the richness values of each of the surveys in the
comparison and C is the number of common taxa shared
by the two surveys. Variations between the two surveys
in species richness for each eco geomorphological area
(Mediterranean coast, anticlines, and inland) were
assessed by calculating Beta diversity using Wilson
Shmida index (βT = {g(H) + L(H)}/2 α) due its ability to
reflect the biotic change along environmental variations
and its strength in fulfilling the criteria of additively and
independence of alpha diversity (Wilson and Shmida,
1984; Magurran, 1988). This index adds the number of
species gained {g(H)} to the number of species lost
{L(H)} along a habitat gradient (H), standardized by the
average sample richness α. To assess the relation
between the two surveys in species richness, the
RELATE function in PRIMER 5 computer software
was used. The RELATE function tests the null
hypothesis of no relation between multivariate patterns
from two sets of samples (Clarke and Warwick, 2001).
The recorded species in both the current survey and
the previous survey of Danin et al. (1985) and their
degree of occurrence were re tabulated according to
family to assess the changes in floristic structure
between the surveys. Then, the RELATE function in
PRIMER 5 computer software were used to assess the
significance of variation in floristic structure between
the two surveys.
To assure that the apparent difference in floristic
structure between the surveys is not due to the
contemporary un recorded families (20 family), these
families were omitted from Danin et al. (1985) survey
and the resulted virtual previous survey was
incorporated in the randomized block experiment as a
third survey. Friedman test, a nonparametric analysis of
a randomized block experiment, was applied using
MINITAB 14 statistical software to test the significance
of the difference. The Friedman test hypotheses are: H0:
all treatment (survey) effects are zero, which mean no
significant difference between the surveys, versus H1:
not all treatment (survey) effects are zero which means
Surveying the literature for previous floristic status
Documenting any change in floristic composition of
an area needs refereeing to previous floristic surveys. A
thoroughly survey of every available related floristic
and/or ecological study published in the last five
decades on North Sinai, Sinai or even Egypt had been
checked. Species nomenclature was updated according
to Boulos (1999, 2000, 2002 & 2005). Danin et al.
(1985) was used as the main reference (previous status)
in comparing the distribution of each taxon with the
current status as it provides more detailed information
on taxa's distribution.
Sampling protocol
During the different seasons of 2005 and 2006, 300
plots distributed in 100 sites were sampled throughout
North Sinai; 180 plots (10 x 10 m) in 60 sites from
Qantara to Rafah representing the Mediterranean coastal
area; 90 plots in 30 sites representing the anticlines area
(Gebel Halal, Gabel El Maghara, Gabel Libni, and
Gabel Yi'allaq), and 30 plots in ten sites representing the
inland area. The number of sites selected in each area
depended largely upon the variation in the
physiognomy, habitat feature, prevailing environmental
factors, and nature of soil surface. In each plot, a species
list was recorded as presence/absence. Identification and
nomenclature of the collected specimens were carried
out according to Täckholm (1974), Zohary (1966 &
1972), Feinbrun Dothan (1978 & 1986), and Boulos
13
Current status of the flora of North Sinai
a significant difference between the surveys.
Randomized block experiments are a generalization of
paired experiments, and the Friedman test is a
generalization of the paired sign test. The test statistics
were corrected for ties (if there are ties within one or
more blocks, the average rank is used).
Table (1): A comparison of modern floristic studies (arranged
chronologically) with the present survey.
Reference
Boulos, 1960
Batanouny, 1964
Danin, 1973
Täckholm, 1974
Danin et al., 1985
Danin, 1986
Gibali, 1988
Taeckholmia, 1989
Boulos and Gibali, 1993
Gibali, 2000
Gamal El Din, 1993
Gazar et al., 2000
El Bana et al., 2000
El Bana et al., 2002
Present survey
RESULTS
The previous status
Due to differences in aims and scopes of the studies,
the thoroughly survey of the previous and/or ecological
studies on North Sinai revealed a fairly large
discrepancy (Table 1). Some contributions dealt with
documenting new records (e.g. Danin, 1973; Danin and
Hedge, 1973), while others were limited to certain areas
and/or taxa in North Sinai (e.g. Boulos, 1960; El Hadidi,
1969 & 1970; Danin, 1987; Gamal Eldin, 1993; and
Gazar et al., 2000). Few studies were comprehensive;
Täckholm (1974), Danin et al. (1985), and Gibali
(1988) of which only one study, Danin et al. (1985),
gave detailed estimations on distribution of the taxa
within different eco geomorphological areas in North
Sinai. The recorded number of species in these studies
varied from 279 in Gibali (1988) to more than 690 in
Täckholm (1974).
Boulos (1960) collected 199 species from El
Maghara area belonging to 153 genera and 44 families.
Täckholm (1974) recorded 670 species from the Eastern
Mediterranean coastal region (Mp) and Isthmic desert
(Di) which by definition includes North Sinai and the
region North of Wadi Tumilat in Eastern Desert. These
670 species belong to 74 family. If we include the
species recorded in (M) region, which is by definition,
the coastal strip from El Sallum to Rafah, the figure
would rise to be 694. Danin et al. (1985) recorded 569
species in the North Sinai belonging to 72 family. In El
Hadidi et al. (1989), 641 species were recorded from
North Sinai (Mediterranean, M; and Isthmic Desert, Di)
belonging to 69 family.
Gamal El Din (1993) recorded 114 species of seed
plants in G. Halal belonging to 33 family. Gazar et al.
(2000) 154 species belonging to 32 family growin on
Gebel El Halal. Annual species represented 44.16% of
the collected species. Gibali (1988) recorded 279
speceis belonging to 56 families from North Sinai.
Gibali (2000) made a botanical survey of the inland
desert region of the North Sinai. He recorded 119
species; 76 of them were recorded too in the coastal
region (Gibali, 1988). The rest 43 species are confined
to the central Sinai (Table 1).
Scope of the
study
G. Maghara
El Arish
Sinai
Egypt
Sinai
Sinai
North Sinai
Sinai
Sinai
North Sinai
G. Halal
G. Halal
Lake Bardawil
Lake Bardawil
North Sinai
No. of
species
199
17
64
670
569
19
279
641
160
119
114
154
118
136
281
No. of
families
44
13
29
74
72
10
56
69
39
32
33
32
40
42
52
and 52 families (average = 5.4 spp./family). The most
represented families are: Compositae (42 spp.),
Gramineae (31 spp.), Leguminosae (28 spp.), Cruciferae
(23 spp.), Chenopodiaceae (21 spp.), Caryophyllaceae
(15 spp.), Zygophyllaceae (9 spp.), Labiatae and
Euphorbiaceae (7 spp. each), and Liliaceae,
Polygonaceae, and Resedaceae (6 spp. each). The other
recorded families are represented by 1 5 species each.
One hundred and thirty seven species in present
survey are annuals (49%) and 144 are perennials (51%).
188 species (66%) were collected from Meditereanian
coast, 131 (47%) from the anticlinal area (G. El Halal,
G. El Maghara, G. Libni, and G. Yi'alleq), and only 58
(20%) from inland areas. Some species were collected
from two or more eco geomorphological areas which
make the percentages overlap. Anticlines and inland
areas have the highest floristic composition similarity
(S.C. = 36.84) followed by Mediterranean coast and
anticlines (S.C. = 31.78%).
Changes in floristic composition
Based on the present and previous surveys (excluding
Boulos, 1999, 2000, 2002, & 2005 where they didn't
give detailed distribution to the North Sinai), we can
deduce that the flora of North Sinai comprises more
than 710 species. The estimated figure includes 569
species were recorded by Danin et al. (1985), 61 in
present survey but not in Danin et al. (1985), 36 species
were recorded in other studies but neither Danin et al.
(1985) nor present survey, and 53 only in Täckholm
(1974) in Mp or Di. An extra 100 species were recorded
in Täckholm (1974) in isthmic desert, Mediterranean
coast, or Mediterranean coast and isthmic desert.
Of the North Sinai flora, 451 species (62.3%) were
lost in present survey. Four species (Adonis cuparriana,
Cuscuta brevistyla, Moltkea callosa, Sedum viguieri)
were not recorded since 1957 (G. Maghara, Boulos,
1960) and even not mentioned in Egyptian flora
(Täckholm, 1974, and Boulos, 1999, 2000, & 2005).
Floristic composition in the present survey
In the present study, 281 species were collected and
identified from 300 plots representing 100 sites in North
Sinai (Table 2). The identified species belong to 198
genera (average = 1.5 spp./genus and 3.63 genus/family)
14
Kamel et al.
Table (2): Distribution and conservation status of 281 species recorded in NS; M = Mediterranean cost, Mg = G. Maghara, H = G.
Halal, L = G. Libni, Y = G. Yi'allaq, In = Inland areas. Distribution according to Täckholm (1974); c. = common, cc. = very
common, r. = rare, rr. = very rare, Distribution according to Danin et al. (1985); 1 = Mediterranean, 2 = Gravelly plains, 3 =
Transition zone between 1 & 2, 4 = Anticlines, N.R. = not recorded, Dom.= dominant in plant communities in different sites over
considerable area; Dom. local = dominant in communities within a relatively restricted habitat; Cp. = companion of plant
communities but not a rare plant; Occ. = occasional or rare plant; Spor. = sporadic or very rare. Families and species are listed in
alphabetical order
Family
Species
Aizoaceae
Aizoon hispanicum L.
Alliaceae
Amaranthaceae
Amaryllidaceae
Araceae
Asclepiadaceae
Asparagaceae
Asphodelaceae
Boraginaceae
Capparaceae
Caryophyllaceae
Chenopodiaceae
Growth Present Survey
form
Dist.
Ann.
M
Mesembryanthemum crystallinum L.
Ann.
M
Mesembryanthemum forsskaolii Hochst. ex. Boiss.
Mesembryanthemum nodiflorum L.
Allium curtum Boiss.& Gaill. subsp. curtum
Allium desertorum Forssk.
Aerva javanica (Burm. f.) Juss. ex Schult.
Pancratium sickenbergeri Asch. & Schweinf.
Eminium spiculatum (Blume) Schott
Asclepias sinaica (Boiss.) Muschl.
Calotropis procera (Aiton) W. T. Aiton
Pergularia tomentosa L.
Asparagus aphyllus L.
Ann.
Ann.
Per.
Per.
Per.
Per.
Per.
Per.
Per.
Per.
Per.
M
M, Mg
L
M
Mg
M
M
Mg, H, Y
M, In, Y
Mg, H, L, Y
M, Mg
Asparagus stipularis Forssk.
Per.
Mg, H, L, Y
Asphodelus viscidulus Boiss.
Anchusa humilis (Desf.) I. M. Johnst.
Heliotropium arbainense Fresen.
Ann.
Ann.
Per.
Mg, H, L, In
Mg
Y, In
Heliotropium digynum (Forssk.) Asch. ex C.Chr.
Per.
M, In
Heliotropium ramosissimum (Lehm.) Sieb. ex. A. DC. Per.
Moltkiopsis ciliata (Forssk.) I. M. Johnst.
Per.
Capparis spinosa L. var. spinosa
Per.
Status
Spor.
Dom.
loc.
Spor.
Cp.
Spor.
Spor.
Spor.
Cp.
Spor.
Occ.
Cp.
Cp.
Cp.
Dom.
loc.
Cp.
Spor.
Occ.
Dom.
loc.
Occ.
Cp.
Spor.
Dom.
loc.
Cp.
Occ.
Cp.
Cp.
Occ.
Spor.
Spor.
Spor.
Spor.
Täck. Danin
(1974) Dist.
r.
2, 4
(1985)
Status
Dom. loc.
Dom. loc.
c.
1
c.
c.
r.
r.
c.
r.
c.
r.
cc.
cc.
rr.
1, 2
Spor.
4
Cp.
N.R. in Sinai
4
Spor.
N.R. in Sinai
1, 2, 4
Cp.
N.R. in study area
2, 4
Cp.
3, 4
Occ.
2, 4
Cp.
N.R. in Sinai
c.
1, 2, 3, 4
Cp.
c.
c.
c.
1, 3, 4
1
2, 4
Occ.
Occ.
Cp.
Dom. loc.
cc.
1, 3, 4
cc.
c.
cc.
N.R. in Sinai
1, 3, 4
Dom. loc.
2, 4
Dom. loc.
cc.
1, 2, 3, 4
cc.
c.
c.
r.
r.
r.
cc.
c.
cc.
1, 2, 3, 4 Dom.
2
Cp.
1, 2, 3, 4 Cp.
1, 2, 3, 4 Cp.
1
Occ.
1, 2, 4
Cp.
1, 3, 4
Cp.
N.R. in Sinai
1
Cp.
Cleome amblyocarpa Barratte & Murb.
Ann.
Gymnocarpos decandrus Forssk.
Gypsophila capillaris (Forssk.) C. Chr.
Herniaria hirsute L.
Paronychia arabica (L.) DC.
Paronychia argentea Lam.
Paronychia sinaica Fresen.
Polycarpaea repens (Forssk.) Asch. & Schweinf.
Polycarpon prostratum (Forssk.) Asch. & Schweinf.
Polycarpon succulentum (Delile) J. Gay
Polycarpon tetraphyllum (L.) L. var. Alsinifolium
(Biv.) Ball
Silene succulenta Forssk.
Silene villosa Forssk.
Spergula fallax (Lowe) E.H.L. Krause
Spergularia diandra (Guss.) Boiss.
Spergularia marina (L.) Bessler
Agathophora alopecuroides (Delile) Fenzl ex Bunge
Per.
Ann.
Ann.
Ann.
Ann.
Per.
Per.
Ann.
Ann.
Mg, H, Y
M, L, In
In
M, Mg, H, L, Y,
In
Mg, H, L, Y
Mg, H, Y
M, L
M, H, L
M
Mg
M, In
L
M
Ann.
M
Spor.
c.
1
Cp.
Per.
Per.
Ann.
Ann.
Ann.
Per.
1
1, 3, 4
1, 2, 4
1, 2, 4
1, 2, 4
1, 2, 4
Cp.
Cp.
Cp.
Cp.
Cp.
Dom.
Per.
cc.
1, 2, 3, 4
Dom.
Anabasis setifera Moq.
Arthrocnemum macrostachyum (Moric.) K. Koch
Atriplex farinosa Forssk.
Atriplex halimus L.
Atriplex leucoclada Boiss.
Atriplex rosea L.
Bassia muricata (L.) Asch.
Chenopodium album L.
Chenopodium glaucum L.
Chenopodium murale L.
Per.
Per.
Per.
Per.
Per.
Ann.
Ann.
Ann.
Ann.
Ann.
Spor.
Cp.
Spor.
Spor.
Spor.
Occ.
Dom.
loc.
Occ.
Cp.
Spor.
Occ.
Spor.
Occ.
Cp.
Cp.
Occ.
Cp.
c.
r.
c.
cc.
cc.
r.
Anabasis articulata (Forssk.) Moq.
c.
c.
r.
c.
r.
rr.
cc.
c.
rr.
cc.
1, 3, 4
Dom. loc.
1
Dom.
N.R. in study area
1, 2, 4
Dom.
2, 4
Dom.
N.R. in Sinai
1, 2, 3, 4 Cp.
1
Cp.
N.R. in Sinai
1, 4
Cp.
Cornulaca monacantha Delile
Per.
Dom.
c.
1, 3, 4
Dom.
Halocnemum strobilaceum (Pall.) M. Bieb.
Per.
M
M
M
M
M
Mg, H
M, Mg, H, L, Y,
In
Mg, L, In
M
Mg
M
M, Mg
M
M, H, In
M
M
M
M, Mg, H, L, Y,
In
M
c.
1
Dom.
Haloxylon salicornicum (Moq.) Bunge ex Boiss.
Per.
Mg, Y, In
Haloxylon scoparium Pomel
Noaea mucronata (Forssk.) Asch. & Schweinf.
Per.
Per.
M, H, Y
Mg, L
Occ.
Dom.
loc.
Cp.
Spor.
15
Cp.
cc.
1, 2, 3, 4 Dom.
r.
c.
1, 2, 3, 4
1, 2, 3, 4
Dom.
Dom.
Current status of the flora of North Sinai
Table (2): continued
Cistaceae
Compositae
Convolvulaceae
Cruciferae
Salsola kali L.
Salsola longifolia Forssk.
Sarcocornia fruticosa (L.) A. J. Scott
Suaeda pruinosa Lange
Helianthemum lippii (L.) Dum. Cours.
Helianthemum sancti2antonii Schweinf. ex Boiss.
Achillea fragrantissima (Forssk.)Sch.Bip.
Achillea santolina L.
Artemisia judaica L.
Ann.
Per.
Per.
Per.
Per.
Per.
Per.
Per.
Per.
Artemisia monosperma Delile
Per.
Atractylis boulosii Täckh.
Atractylis carduus (Forssk.) C. Chr.
Atractylis mernephthae Asch.
Atractylis serratuloides Sieber ex Cass.
Calendula arvensis L.
Calendula tripterocarpa Rupr.
Carduus getulus Pomel
Carduus pycnocephalus L.
Centaurea aegyptiaca L.
Centaurea eryngioides Lam.
Centaurea pallescens Delile
Chiliadenus montanus (Vahl) Brullo
Echinops galalensis Schweinf.
Echinops spinosus L.
Filago desertorum Pomel
Hedypnois rhagadioloides (L.) F.W. Schmidt
Iflago spicata (Forssk.) Sch. Bip.
Iphiona mucronata (Forssk.) Asch. & Schweinf.
Iphiona scabra DC.
Koelpinia linearis Pall.
Launaea capitata (Spreng.) Dandy
Launaea fragilis (Asso) Pau
Launaea mucronate (Forssk.) Muschl.
Launaea nudicaulis (L.) Hook. f.
Nauplius graveolens (Forssk.) Wiklund
Phagnalon barbeyanum Asch. & Schweinf.
Picris altissima Delile
Picris longirostris Sch. Bip.
Pluchea dioscorides (L.) DC.
Pulicaria undulata (L.) C.A.Mey.
Reichardia tingitana (L.) Roth
Senecio glaucus L. subsp. coronopifolius (Maire) C.
Alexander
Senecio glaucus L. subsp. glaucus
Seriphidium herba2album (Asso) Soják
Sonchus asper (L.) Hill
Sonchus tenerrimus L.
Urospermum picroides (L.) F.W. Schmidt
Xanthium spinosum L.
Convolvulus lanatus Vahl
Convolvulus oleifolius Desr.
Convolvulus pilosellifolius Desr.
Ipomoea stolonifera (Cyr.) J. F.Gmel.
Anastatica hierochuntica L.
Brassica deserti Danin & Hedge
Brassica tournefortii Gouan
Cakile maritime Scop.
Carrichtera annua (L.) DC.
Conringia orientalis (L.) Dumort.
Diplotaxis acris (Forssk.) Boiss.
Diplotaxis erucoides (L.) DC.
Diplotaxis harra (Forssk.) Boiss.
Eremobium aegyptiacum (Spreng.) Asch. & Schweinf.
ex Boiss. var. egyptiacum
Eremobium aegyptiacum (Spreng.) Asch.&Schweinf.
ex Boiss. var. lineare (Delile) Zohary
Eruca sativa Mill.
Erucaria hispanica (L.) Druce
Farsetia aegyptia Turra
Per.
Lobularia arabica (Boiss.) Muschl.
Lobularia libyca (Viv.) C. F. W. Meissn.
Malcolmia pygmaea (DC.) Boiss.
Ann.
Ann.
Ann.
16
Spor.
Spor.
Spor.
Spor.
Cp.
Spor.
Cp.
Cp.
Spor.
Ann.
Per.
Ann.
Per.
Ann.
Ann.
Ann.
Ann.
Per.
Per.
Ann.
Per.
Per.
Per.
Ann.
Ann.
Ann.
Per.
Per.
Ann.
Ann.
Ann.
Ann.
Per.
Per.
Per.
Ann.
Ann.
Per.
Per.
Ann.
M
H
M
M
M, In
Mg
M, Mg, H, Y
M, In
M
M, Mg, H, L, Y,
In
L
M
H,L
Mg, L
M, In
M
M
M
Mg, L, Y
M
Mg, H, L, In
M, Mg, H, Y
Mg, H
M, Mg, H, Y
M
In
M, In
M
H, L
M
H
M
M, In
L
Mg
L
M
M
M
Y
M, L, In
Ann.
Ann.
Per.
Ann.
Ann.
Ann.
Per.
Per.
Per.
Per.
Per.
Ann.
Ann.
Ann.
Ann.
Ann.
Ann.
Ann.
Ann.
Per.
c.
r.
c.
r.
cc.
rr.
c.
c.
r.
1
Cp.
4
Spor.
1
Dom. loc.
N.R. in Sinai
1, 2, 3, 4 Dom. loc.
4
Cp.
1, 2, 4
Dom.
1
Spor.
2
Dom.
Dom.
cc.
1, 2, 3, 4
Spor.
Occ.
Spor.
Occ.
Occ.
Spor.
Spor.
Spor.
Cp.
Cp.
Cp.
Cp.
Occ.
Dom.
Spor.
Spor.
Spor.
Spor.
Spor.
Spor.
Spor.
Spor.
Occ.
Spor.
Spor.
Spor.
Spor.
Spor.
Spor.
Occ.
Occ.
rr.
c.
rr.
r.
r.
r.
c.
c.
cc.
r.
cc.
r.
r.
cc.
cc.
cc.
r.
c.
r.
r.
cc.
r.
c.
cc.
rr.
r.
c.
rr.
cc.
cc.
c.
N.R. in Sinai
1, 2, 3, 4 Cp.
3
Spor.
N.R. in Sinai
1
Occ.
4
Occ.
1, 4
Spor.
N.R. in Sinai
1, 2, 3, 4 Cp.
4
Cp.
1, 2, 4
Cp.
N.R. in study area
4
Occ.
N.R. in Sinai
1, 2, 3, 4 Cp.
1, 4
Occ.
1, 2, 3, 4 Cp.
2, 4
Cp.
2, 4
Cp.
4
Cp.
1, 2, 3, 4 Cp.
1, 3
Cp.
1, 2, 3, 4 Cp.
1, 2, 3, 4 Cp.
1, 2, 3, 4 Cp.
1, 2, 4
Cp.
N.R. in Sinai
4
Cp.
N.R. in Sinai
N.R. in Sinai
1, 2, 4
Cp.
Dom.
M, H, In
Dom.
cc.
1, 2, 3, 4 Cp.
M, H
Mg, L, Y
M
M
M
M
M, Mg, H
In
Mg, In
M
Mg
M
M
M
M
Mg
M
M
Mg, H, Y
Cp.
Occ.
Spor.
Spor.
Occ.
Spor.
Cp.
Spor.
Cp.
Spor.
Spor.
Spor.
Spor.
Spor.
Spor.
Spor.
Spor.
Occ.
Occ.
c.
c.
c.
rr.
cc.
c.
r.
rr.
r.
r.
c.
rr.
cc.
c.
c.
rr.
c.
r.
cc.
1, 2, 4
Cp.
1, 2, 3, 4 Dom.
N.R. in Sinai
N.R. in Sinai
1, 4
Cp.
1
Occ.
1, 3, 4
Dom. loc.
4
Occ.
4
Spor.
N.R. in Sinai
2, 4
Dom. loc.
2
Dom. loc.
1, 2, 3
Cp.
N.R. in Sinai
2, 4
Occ.
N.R. in Sinai
2, 3, 4
Dom.
1
Occ.
2, 4
Dom.
Per.
M
Spor.
cc.
1, 2, 3
Dom.
Ann.
In
Spor.
rr.
1, 2, 3
Cp.
Ann.
Ann.
M
M
M, Mg, H, L, Y,
In
M
M
M
Spor.
Occ.
cc.
c.
N.R. in Sinai
N.R. in Sinai
Cp.
cc.
1, 2, 3, 4
Cp.
Spor.
Spor.
c.
c.
c.
1
Occ.
1
Spor.
N.R. in Sinai
Cp.
Kamel et al.
Table (2): continued
Cucurbitaceae
Cupressaceae
Cyperaceae
Dipsacaceae
Ephedraceae
Euphorbiaceae
Matthiola longipetala (Vent.) DC. subsp. livida
(Delile) Maire
Morettia canescens Boiss.
Moricandia nitens (Viv.) Durand & Barratte
Savignya parviflora (Delile) Webb
Sisymbrium irio L.
Zilla spinosa (L.) Prantl subsp. spinosa
Citrullus colocynthis (L.) Schrad.
Juniperus phoenicea L.
Cyperus capitatus Vend.
Cyperus glaber L.
Pterocephalus plumosus (L.) Coult.
Scabiosa eremophila Boiss.
Ephedra alata Decne.
Andrachne aspera Spreng.
Andrachne telephioides L.
Chrozophora tinctoria (L.) Raf.
Euphorbia peplis L.
Ann.
M, Mg
Cp.
cc.
2, 4
Per.
Per.
Ann.
Ann.
Per.
Per.
Per.
Per.
Per.
Ann.
Ann.
Per.
Per.
Per.
Ann.
Ann.
Spor.
Occ.
Occ.
Occ.
Dom.
Spor.
Occ.
Occ.
Spor.
Spor.
Spor.
Spor.
Spor.
Occ.
Spor.
Cp.
rr.
r.
c.
cc.
c.
cc.
rr.
c.
N.R.
r.
r.
c.
r.
r.
c.
r.
2
Cp.
2, 4
Cp.
1, 2, 3, 4 Cp.
4
Cp.
1, 2, 3, 4 Dom.
1, 2, 3, 4 Cp.
4
Dom.
N.R. in Sinai
N.R. in Sinai
N.R. in Sinai
1
Occ.
1, 2, 4
Dom.
2
Cp.
2, 4
Occ.
1, 2, 4
Occ.
1
Spor.
Euphorbia retusa Forssk.
Per.
Cp.
c.
1, 2, 3, 4
Cp.
Euphorbia terracina L.
Per.
Ann.,
Per.
Ann.
Ann.
Ann.
Per.
Ann.
H, In
Mg, L
M, In
M
M, Mg, H, Y
Mg, H
Mg, H, Y
M
M, In
Mg, H
M
H
Y
Mg, H
H
M
M, Mg, H, L, Y,
In
M
Spor.
c.
1
Occ.
M
Cp.
c.
1
Cp.
M
M
M
M
M, Mg, L
Spor.
Spor.
Spor.
Spor.
Occ.
r.
r.
r.
cc.
r.
N.R. in Sinai
N.R. in Sinai
1
Occ.
2, 4
Dom. loc.
1, 2, 4
Dom. loc.
Ann.
M
Cp.
cc.
N.R. in Sinai
Per.
Per.
Ann.
Ann.
Ann.
Ann.
Ann.
Ann.
Ann.
Per.
In
M, Mg, H, Y
M
M
M
M
M
M
M
H
c.
c.
c.
r.
r.
cc.
c.
cc.
cc.
rr.
1, 2, 3, 4 Dom. Loc.
4
Dom. loc.
N.R. in Sinai
N.R. in Sinai
1
Occ.
1, 2, 4
Occ.
2
Occ.
N.R. in study area
1, 2, 3, 4 Dom. loc.
N.R. in Sinai
Cynodon dactylon (L.) Pers.
Per.
M, In
cc.
1, 2, 4
Eremopyrum bonaepartis (Spreng.) Nevski
Hordeum murinum L. subsp. glaucum (Steud.) Tzvelev
Hordeum vulgare L.
Hyparrhenia hirta (L.) Stapf
Imperata cylindrica (L.) Raeusch.
Lolium multiflorum Lam.
Lophochloa berythea (Boiss & Blanchet) Bor
Ann.
Ann.
Ann.
Per.
Per.
Ann.
Ann.
rr.
c.
r.
r.
cc.
cc.
4
Occ.
1, 2, 4
Cp.
N.R. in Sinai
1, 2, 4
Cp.
1, 2, 4
Dom. loc.
1
Occ.
1, 4
Cp.
Panicum turgidum Forssk.
Per.
Dom.
cc.
1, 2, 3, 4
Parapholis marginata Runem.
Phragmites australis (Cav.) Trin. ex Steud.
Poa annua L.
Poa infirma Kunth
Polypogon monspeliensis (L.) Desf.
Rostraria pumila (Desf.) Tzvelev
Schismus arabicus Nees
Schismus barbatus (L.) Thell.
Setaria verticillata (L.) P. Beauv.
Stipagrostis ciliata (Desf.) De Winter
Stipagrostis scoparia (Trin. & Rupr.) De Winter
Tetrapogon cenchriformis (A. Rich.) Clayton
Trisetaria linearis Forssk.
Vulpia pectinella (Delile ) Boiss.
Dipcadi erythraeum Webb & Berthel.
Leopoldia comosa (L.) Parl.
Urginea maritima (L.) Baker
Juncus rigidus Desf.
Ballota undulata (Fresen.) Benth.
Lavandula pubescens Decne.
Salvia aegyptiaca L.
Salvia lanigera Poir.
Stachys aegyptiaca Pers.
Ann.
Per.
Ann.
Ann.
Ann.
Ann.
Ann.
Ann.
Ann.
Per.
Per.
Ann.
Ann.
Ann.
Per.
Per.
Per.
Per.
Per.
Per.
Per.
Per.
Per.
M
M
M
Mg
M
M
M
M, Mg, H, L, Y,
In
M
M
Mg
M
In
M
H
M
M
In
M, Mg, H, In
L
L
M
M
M
M, H
Mg
Mg, H, Y
Mg
Mg, H, L, Y
M
M, Mg, H, L, Y
Spor.
Cp.
Spor.
Spor.
Spor.
Occ.
Occ.
Spor.
Spor.
Spor.
Dom.
loc.
Spor.
Occ.
Spor.
Spor.
Spor.
Spor.
Occ.
Spor.
Cp.
Spor.
Spor.
Spor.
Spor.
Occ.
Cp.
Spor.
Spor.
Dom.
Spor.
Spor.
Spor.
Spor.
Spor.
Cp.
Occ.
Cp.
Spor.
Cp.
Spor.
Cp.
cc.
cc.
c.
c.
cc.
c.
c.
cc.
cc.
c.
c.
rr.
r.
r.
c.
r.
r.
cc.
r.
c.
cc.
c.
cc.
N.R. in Sinai
1, 4
Dom. loc.
N.R. in Sinai
N.R. in Sinai
2, 4
Cp.
N.R. in Sinai
1, 2, 3, 4 Cp.
N.R. in Sinai
1
Cp.
1, 2, 3, 4 Cp.
1, 3, 4
Dom.
N.R. in Sinai
N.R. in Sinai
N.R. in Sinai
3
Occ.
1
Occ.
1, 4
Cp.
1, 2, 4
Dom.
2, 4
Cp.
2, 4
Cp.
2, 4
Dom.
1, 2, 3, 4 Cp.
2, 4
Dom.
Ricinus communis L.
Fumariaceae
Geraniaceae
Globulariaceae
Gramineae
Hycinthaceae
Juncaceae
Labiatae
Hypecoum pendulum L.
Erodium chium (L.) Willd.
Erodium ciconium (L.) L’َHér.
Erodium crassifolium L’Hér.
Erodium laciniatum (Cav.) Willd.
Erodium laciniatum (Cav.) Willd. subsp.
pulverulentum (Boiss.) Batt.
Monsonia nivea (Decne.) Webb
Globularia arabica Jaub. & Spach.
Aegilops kotschyi Boiss.
Aegilops longissima Schweinf. & Muschl.
Ammochloa palaestina Boiss.
Avena barbata Pott ex Link
Bromus rubens L.
Cutandia dichotoma (Forssk.) Batt. & Trab.
Cutandia memphitica (Spreng.) Benth.
Cymbopogon schoenanthus (L.) Spreng.
17
Cp.
Dom. loc.
Dom.
Current status of the flora of North Sinai
Table (2): continued
Leguminosae
Teucrium leucocladum Boiss.
Teucrium polium L.
Acacia pachyceras O. Schwartz
Per.
Per.
Per.
Mg, L
Mg, H, Y
Mg
Acacia tortilis (Forssk.) Hayne
Per.
M, Mg, H, Y, In
Alhagi graecorum Boiss.
Astragalus annularis Forssk.
Astragalus fruticosus Forssk.
Astragalus peregrinus Vahl
Astragalus sieberi DC.
Astragalus spinosus (Forssk.) Muschl.
Astragalus trigonus DC.
Colutea istria Mill.
Hippocrepis areolata Desv.
Hippocrepis cyclocarpa Murb.
Lathyrus marmoratus Boiss. & Blanche
Per.
Ann.
Per.
Ann.
Per.
Per.
Per.
Per.
Ann.
Ann.
Ann.
M, In
M
M
M
Mg
Mg, H, Y
In
M, Mg
M
M
M
Lotus halophilus Boiss. & Spruner
Ann.
M, L, In
Medicago laciniata (L.) Mill.
Medicago sativa L.
Melilotus indicus (L.) All.
Ononis reclinata L.
Ononis serrata Forssk.
Ononis sicula Guss.
Ann.
Per.
Ann.
Ann.
Ann.
Ann.
Retama raetam (Forssk.) Webb & Berthel.
Per.
M
M
M
M
M
M
M, Mg, H, L, Y,
In
Tephrosia purpurea (L.) Pers. subsp. apollinea
(Delile) Hosni & El Karemy
Trifolium resupinatum L.
Trifolium tomentosum L. subsp. curvisepalum (Täckh.)
Thiéb
Trigonella arabica Delile
Trigonella cylindracea Desv.
Spor.
Occ.
Occ.
Dom.
loc.
Cp.
Spor.
Spor.
Spor.
Spor.
Cp.
Spor.
Spor.
Spor.
Spor.
Spor.
Dom.
loc.
Spor.
Cp.
Cp.
Spor.
Cp.
Spor.
rr.
c.
rr.
2
2, 4
2, 4
Cp.
Cp.
Dom. loc.
r.
2, 4
Occ.
cc.
c.
r.
c.
c.
cc.
c.
rr.
cc.
cc.
cc.
N.R. in Sinai
1, 2, 4
Occ.
N.R. in study area
N.R. in Sinai
2
Occ.
2
Cp.
2
Occ.
4
Cp.
1, 2, 4
Cp.
N.R. in Sinai
N.R. in Sinai
cc.
1, 3, 4
Dom. loc.
r.
c.
cc.
c.
c.
r.
2, 4
1
1, 4
4
1, 4
4
Cp.
Spor.
Cp.
Cp.
Cp.
Cp.
Dom.
cc.
1, 2, 3, 4
Dom.
Per.
In
Spor.
rr.
N.R. in study area
Ann.
M
Occ.
cc.
N.R. in Sinai
Ann.
M
Spor.
rr.
1
Cp.
Ann.
Ann.
M
M
r.
r.
1, 2, 4
1
Cp.
Occ.
Trigonella stellata Forssk.
Ann.
M
c.
1, 2, 3, 4
Cp.
Vicia sativa L.
Ann.
M
r.
N.R. in study area
Malvaceae
Malva parviflora L.
Ann.
M, Mg, H, Y
Molluginaceae
Telephium sphaerospermum Boiss.
Ann.
Neuradaceae
Neurada procumbens L.
Ann.
H
M, Mg, H, L, Y,
In
Nitrariaceae
Nitraria retusa (Forssk.) Asch.
Per.
M, Mg, H, In
Orobanchaceae
Palmae
Peganaceae
Plantaginaceae
Orobanche cernua Loefl.
Phoenix dactylifera L.
Peganum harmala L.
Plantago afra L.
Plantago albicans L.
Plantago ovata Forssk.
Limonium pruinosum (L.) Chaz.
Calligonum polygonoides L.
Emex spinosa (L.) Campd.
Persicaria senegalensis (Meisn.) Soják
Polygonum bellardii All.
Rumex cyprius Murb.
Rumex pictus Forssk.
Anagallis arvensis L.
Adonis dentata Delile
Nigella arvensis L. subsp. taubertii (Brand) Maire
Caylusea hexagyna (Forssk.) M. L. Green
Ochradenus baccatus Delile
Oligomeris linifolia (Vahl ex Hornem.) J.F.Macbr.
Reseda arabica Boiss.
Reseda orientalis (Müll. Arg.) Boiss.
Reseda urnigera Webb
Crucianella membranacea Boiss.
Haplophyllum tuberculatum (Forssk.) Juss.
Kickxia floribunda (Boiss.) Täckh.&Boulos
Linaria haelava (Forssk.) Delile
Linaria tenuis (Viv.) Spreng.
Scrophularia syriaca Benth.
Verbascum fruticulosum Post
Per.
Per.
Per.
Ann.
Per.
Ann.
Per.
Per.
Ann.
Per.
Ann.
Ann.
Ann.
Ann.
Ann.
Ann.
Ann.
Per.
Ann.
Ann.
Ann.
Ann.
Ann.
Per.
Per.
Ann.
Ann.
Per.
Per.
M
M
Mg, H, L, In
M
M
M, In
Mg
M, Mg, Y
M, Mg, In
M
M
Mg
M
M
M
L
Mg, H, Y
Mg, Y
M
Mg, L
H
In
M, Mg
M, Mg, L
Mg
M
M
H
H
Hyoscyamus muticus L.
Per.
M, Mg, In
Spor.
Spor.
Dom.
loc.
Spor.
Dom.
Loc.
Spor.
Dom.
loc.
Dom.
loc.
Spor.
Cp.
Cp.
Spor.
Spor.
Cp.
Spor.
Cp.
Cp.
Spor.
Cp.
Spor.
Cp.
Occ.
Spor.
Spor.
Occ.
Cp.
Spor.
Cp.
Spor.
Spor.
Spor.
Cp.
Spor.
Cp.
Cp.
Spor.
Spor.
Dom.
loc.
Plumbaginaceae
Polygonaceae
Primulaceae
Ranunculaceae
Resedaceae
Rubiaceae
Rutaceae
Scrophulariaceae
Solanaceae
18
cc.
1, 2, 4
Dom. loc.
r.
2, 4
Cp.
c.
1, 2, 3, 4
Cp.
cc.
1, 2, 3, 4
Dom. loc.
c.
Cult.
c.
r.
c.
cc.
cc.
rr.
cc.
rr.
cc.
c.
c.
cc.
cc.
r.
cc.
c.
cc.
cc.
rr.
r.
r.
cc.
r.
c.
r.
N.R.
rr.
1, 2, 4
Occ.
1, 2, 4
Cp.
1, 2, 4
Dom. loc.
1, 2, 4
Cp.
1
Occ.
1, 2, 3, 4 Dom.
1, 2, 4
Cp.
N.R. in Sinai
1, 3, 4
Cp.
N.R. in Sinai
N.R. in Sinai
1, 4
Cp.
1, 3
Cp.
1, 4
Cp.
1, 4
Occ.
N.R. in Sinai
2, 4
Cp.
2, 4
Cp.
1, 2, 4
Cp.
2, 4
Cp.
N.R. in Sinai
N.R. in Sinai
1
Cp.
1, 2, 3, 4 Cp.
2, 4
Cp.
2, 3, 4
Cp.
1
Cp.
N.R. in Sinai
2, 4
Cp.
cc.
1, 2, 3, 4
Cp.
Kamel et al.
Table (2): continued
Urticaceae
Lycium shawii Roem. & Schult.
Nicotiana glauca R.C.Graham
Solanum elaeagnifolium Cav.
Solanum nigrum L.
Solanum sinaicum Boiss.
Reaumuria hirtella Jaub. & Spach
Tamarix aphylla (L.) H. Karst.
Tamarix nilotica (Ehrenb.) Bunge
Tamarix tetragyna Ehrenb.
Thymelaea hirsuta (L.) Endl.
Deverra tortuosa (Desf.) DC.
Deverra triradiata Hochst. ex Boiss.
Eryngium glomeratum Lam.
Ferula sinaica Boiss.
Ridolifa segetum (L.)Moris
Urtica urens L.
Per.
Per.
Per.
Ann.
Per.
Per.
Per.
Per.
Per.
Per.
Per.
Per.
Per.
Per.
Ann.
Ann.
Zygophyllaceae
Fagonia arabica L.
Per.
Fagonia glutinosa Delile
Fagonia mollis Delile
Fagonia scabra Forssk.
Tribulus kaiseri Hosni
Tribulus terrestris L.
Zygophyllum album L.f.
Per.
Per.
Per.
Ann.
Ann.
Per.
M, Mg, H, L, Y
M
M
M
M
M, Mg, H, Y, In
Mg
M, Mg, H, In
M
M, Mg, H, L, In
M, Mg
Y
H
Mg
M
M
M, Mg, H, L, Y,
In
Mg, In
Mg, H, Y
Mg, H, L, Y
Mg
M
M, Mg, L, In
Zygophyllum coccineum L.
Per.
Y
Zygophyllum dumosum Boiss.
Per.
Mg, H, L, Y, In
Ann. or
M, In
Bi.
Tamaricaceae
Thymelaceae
Umbellifera
Zygophyllum simplex L.
Reseda kahirina was recorded on G. Maghara in 1957
(Boulos, 1960) and enumerated in Täckholm (1974) but
not in Boulos (1999). Pennisetum elatum was not
recorded since Täckholm (1974). Fifty three peceis
were recorded only in Täckholm (1974). Eight of them,
Aristolochia maurorum, Anthemis hebronica, Eragrostis
sarmentosa, Lathyrus setifolius, Trifolium lappaceum,
Trifolium medium, Plantago bellardii, and Aegilops
crassa, were considered by Gibali (1988) as doubtful
records or needs verification. Eighty eight species were
not recroded since 1967 1971 survey (Danin et al.,
1985) including nine species (Atriplex glauca,
Centaurea procurrens, Conyza Canadensis, Crotalaria
aegyptiaca, Reseda stenostachya, Salsola cyclophylla,
Scirpus holoschoenus var. australis, Suaeda palaestina,
Varthemia iphionoides) were recorded as either
dominant or dominant local. Two hundred and seventy
four species were recorded by Danin et al. (1985) and
other recent surveys (e.g. Gibali, 1988; and El Hadidi et
al., 1989) but not present survey. The list of these
species includes 88 species were recorded as dominant
or dominant local, clueing to the degree of deterioration
in natural vegetation of the area since 1967 1971
survey. Nintey one (56.88%) of the 160 species
recorded by Boulos and Gibali (1993) in North Sinai as
rare and/or threatened species have not been recorded in
present survey.
The present floristic list includ three new records;
Cyperus glaber which is a new record to Egypt,
Persicaria sengalensis which is a new record to Sinai,
and Eminium spiculatum subsp. negevensis which is a
new record to North Sinai. Lophochloa berythea was
Dom.
Occ.
Spor.
Spor.
Spor.
Cp.
Spor.
Dom.
Spor.
Dom.
Spor.
Spor.
Spor.
Spor.
Spor.
Occ.
cc.
c.
r.
cc.
rr.
cc.
cc.
cc.
c.
cc.
cc.
r.
rr.
rr.
rr.
cc.
1, 2, 3, 4
1
1
1
4
1, 2, 4
1, 2, 4
1, 2, 4
4
1, 2, 3, 4
1, 2, 3, 4
1, 2, 3, 4
4
1
1
1
Dom.
Cp.
Cp.
Cp.
Cp.
Dom.
Dom. loc.
Dom.
Occ.
Dom. loc.
Dom. loc.
Cp.
Occ.
Occ.
Occ.
Occ.
Dom.
Dom.
cc.
1, 2, 3, 4
Spor.
Cp.
Cp.
Spor.
Occ.
Spor.
Dom.
loc.
Spor.
c.
c.
r.
c.
cc.
1, 2, 3, 4 Dom. loc.
2, 3, 4
Dom.
2, 4
Cp.
N.R. in Sinai
1
Occ.
1, 2
Dom.
cc.
1, 2
Dom.
rr.
1, 2, 3, 4
Dom.
Cp.
cc.
1, 2
Dom.
collected in present survey and by Danin et al. (1985),
altghouh it is not included in the Flora of Egypt
(Täckholm, 1974; and Boulos 2005).
The present survey confirms the presence of
Scrophularia syriaca that was reported as new record to
the Egyptian flora by Gibali (1988) and presence of
Reseda orientalis that was categorized as doubtfull by
Gibali (1988). Other confirmed species include Allium
curtum subsp. curtum, Asparagus aphyllus, Atractylis
boulosii, Atriplex rosea, Hypecoum pendulum,
Parapholis marginata, Persicaria senegalensis,
Polygonum bellardii, Pterocephalus plumosus, Reseda
urnigera, and Vulpia pectinella which were not
recorded since Täckholm (1974).
Three hundred and forty nine species (51.3%) of the
recorded species by Danin et al. (1985) were
disappeared in the present survey. This explains the low
Sørenson's similarity between the present and the
previous surveys (49.6 %) and, in the meantime, reflects
the magnitude of change in species composition
occurred since the previous survey (1967 1971).
Supportive to this result, the RELATE function has not
detected any significant relation (global R = 1,
significance level = 16.4%) between the species
composition of the present and previous surveys.
The inland area was the most affected by species loss
where the recorded species decreased from 283 to 58
(79.5% loss). Species loss percentage decreased from
79.5% in inland area to 64.2% in anticlines and 43.3%
in Mediterranean area. Losses in the recorded number of
species was reflected in increasing diversity between
different eco geomorphological areas where similarity
19
Current status of the flora of North Sinai
Figure (2): Distributional composition of present and previous (Danin et al., 1985) statuses of North Sinai.
between different eco geomorphological areas has
been.reduced over the time elapsed between two
surveys. It changed form 83.60% between anticlines and
inland to 36.84%, from 67.94% to 31.78%, and from
67.33% to 29.39% between Mediterranean coast and
inland, respectively.
Not only was the floristic composition changed but
also the distribution of the recorded species. While
present study revealed that majority (52.3%) of the
North Sinai flora are sporadic, only 12.7% was recorded
as sporadic by Danin et al. (1985). The change was at
its maximum in Mediterranean coastal area where the
percentage of sporadic species changed from 14% to
50% (figure 2), followed by anticlinal (from 8% to
40%) and inland area (from 1% to 29%).
Changes in floristic structure
Changes in floristic composition resulted in changes
in floristic structure (distribution of the species among
families). The most affected families were Compositae
(39 spp., 48.1% loss), Gramineae (38 spp., 55.1% loss),
Leguminosae
(26
spp.,
48.1%
loss),
and
Chenopodiaceae (23 spp., 52.3% loss), while the most
affected families by percentage of loss were
Amaranthaceae (6 spp., 85.7% loss), Malvaceae (4 spp.,
80.0% loss), Asphodelaceae (3 spp., 75.0% loss),
Cistaceae (6 spp., 75.% loss), and Boraginaceae (13
spp., 72.2% loss). Twenty families (27.7% of previous
status) were entirely not represented in the current
survey: Acanthaceae, Anacardiaceae, Aspleniaceae,
Berberidaceae,
Crassulaceae,
Cynomoriaceae,
20
Kamel et al.
dry weather prevailed during the study time. However,
the high percent of not recorded floristic list (62.3%)
indicates that real changes in floristic composition and
structure have been occurred.
Beside the prevailing drought, the recorded changes
could be attributed to increment of unmanaged human
induced threats affecting wild plants. These threats
include; (1) Over cutting for fuel use, (2) Over
collection for household use and trade, (3) Overgrazing,
(4) Urbanization including extensive land reclamation,
and establishment of settlements and infrastructure, and
(5) Quarrying. The ordering of threats differs from
district to district, site to site and from species to
species. The present study revealed that inland district,
which been affected mostly by drought, over grazing,
and over collection, is the most affected eco
geomorphological area, followed by Mediterranean
coast and anticlines.
In Mediterranean coastal area, the most destructive
threats are the over collection and urbanization
activities. Each family (with average of 5 persons)
consumes about 10 kg of wood daily. The most
common and favorable species used as a fuel are
Anabasis articulata, Artemisia judaica, Retama raetam,
Haloxylon salicornicum, Acacia pachyceras, and
Acacia tortilis. The over collection of medicinal species
has been carried out for home daily uses, and local and
national trade. Artemisia judaica, Teucrium polium,
Citrullus colocynthis, Seriphidium herba2album,
Artemisia monosperma, Juniperus phoenicea, and some
Lichens are the most prominent items in the market.
Urbanization such as extensive land reclamation as in
El Sheikh Zwaied and Rafah, establishment of
settlements and infrastructure, and digging wells for
establishing new gardens remove natural plant
communities and destroy the landscape of the area.
In anticlinal mountainous area (G. Yi'allaq, G. Halal
and G. Maghara), quarrying is the most threating
activity besides over cutting and overgrazing.
Collection of sands and cobbles by digging and cutting
the sedimentary rocks of G. Yi'allaq, G. Maghara and G.
Halal cause dangerous disturbance for the plant
communities and flrositic composition of the area
represented in disappearance of palatable and medicinal
species, paucity of trees and soil loss. While Boulos
(1960) recorded 199 species in G. Maghara (Table 1),
the present survey recorded only 131 from the whole
anticalinal area (G. El Halal, G. El Maghara, G. Libni,
and G. Yi'alleq) which means that 34.2% lose of the
previous status in this area. Acacia pachyceras and
Acacia tortilis are the most threatened species in the
area as a cause of quarrying. One can observe 2km
radius clear of vegetation area around any settlement
due to fuel wood collecting and overgrazing.
The increment in strength of threatening human
induced stresses was basically due to growth of human
population size. According to 1996's official census, the
total size of the population in North Sinai Governorate
Frankeniaceae, Iridaceae, Liliaceae, Menispermaceae,
Onagraceae, Oxalidaceae, Papaveraceae, Polygalaceae,
Portulaceae, Rhamnaceae, Santalaceae, Sinopteridaceae,
Typhaceae, and Verbenaceae (Table 3). At the genus
level, 127 genera were not represented in the current
survey (40.2% of previous status). The most affected
families were Compositae (26 genera, 51.0%) and
Gramineae (23 genera, 47.9%). Relative to the original
number of genera, Rubiaceae (4 genera, 80.0%),
Malvaceae (3 genera, 75.0%), and Boraginaceae (6
genera, 66.7%) were the most affected families (Table
3).
The RELATE function did not detect any relation
between the current and previous surveys (global R=
0.5, and significance level = 49.1%) in floristic structure
reflecting the change over time. Also, the similarity in
floristic structure between eco geomorphological areas
has been reduced from 82.94% to 60.28% between
anticlines and inland, from 78.23% to 72.29% between
Mediterranean coast and anticlines, and from 78.17% to
56.78% between Mediterranean and inland.
These results of change in floristic structure were
strengthened by Friedman test results (Table 4) where it
showed a significant difference between the surveys
(present, previous, and virtual previous) in number of
species, number of genera, and the number of species
with different degree of occurrence in each family.
Beta diversity between the present and previous
surveys indicates that change in floristic structure is
higher in inland area (βT = 0.32), followed by
Mediterranean area and anticlines (βT = 0.20 and 0.19,
respectively).
Discussion
Change in floristic composition and structure due
to human disturbances (e.g. Abbott et al., 2000, Felfili
et al., 2000, and Ruhan et al., 2001) and/or climatic
change (e.g. Medina, 2003; Anenkhonov and
Krivobokov, 2006) have been documented worldwide.
The comparisons of the floristic composition and
structure in present study revealed that the flora of
North Sinai has changed dramatically in the past 40 50
years. More than 60% of the previously recorded
species are not recorded in present survey. The most
affected families by loss of species are the most
represented families in North Sinai flora; Compositae,
Gramineae, Leguminosae, and Chenopodiaceae, while
the most affected families by percentage of loss are
Amaranthaceae, Malvaceae, Asphodelaceae, Cistaceae,
and Boraginaceae where their species are normally
poorly found. Twenty families were represented before
but not in current survey. Off course this list of not
recorded species and families would be reduced if a
multi year survey is carried out. It is well known that
poor recording of species has natural and
methodological reasons (Danin et al., 1985). Annual
species which develop only in rainy years may be
regarded as rare plants or even not recorded at all if only
21
Current status of the flora of North Sinai
Table (3): Floristic composition of present and previous survey.
Present Status
Family
Acanthaceae
Aizoaceae
Alliaceae
Amaranthaceae
Amaryllidaceae
Anacardiaceae
Araceae
Asclepiadaceae
Asparagaceae
Asphodelaceae
Aspleniaceae
Berberidaceae
Boraginaceae
Capparaceae
Caryophyllaceae
Chenopodiaceae
Cistaceae
Compositae
Convolvulaceae
Crassulaceae
Cruciferae
Cucurbitaceae
Cupressaceae
Cynomoriaceae
Cyperaceae
Dipsacaceae
Ephedraceae
Euphorbiaceae
Frankeniaceae
Fumariaceae
Geraniaceae
Globulariaceae
Gramineae
Hycinthaceae
Iridaceae
Juncaceae
Labiatae
Leguminosea
Liliaceae
Malvaceae
Menispermaceae
Molluginaceae
Neuradaceae
Nitrariaceae
Dom.
L.
Dom.
Cp.
1
1
Spp.
%
Genera
%
Occ.
Spor.
4
2
1
1
1.42
0.71
0.36
0.36
2
1
1
1
1.06
0.53
0.53
0.53
1
3
2
1
0.36
1.07
0.71
0.36
1
3
1
1
0.53
1.59
0.53
0.53
5
2
15
21
2
42
4
1.78
0.71
5.34
7.47
0.71
14.95
1.42
3
2
9
13
1
25
2
1.59
1.06
4.76
6.88
0.53
13.23
1.06
23
1
1
8.19
0.36
0.36
18
1
1
9.52
0.53
0.53
2
2
1
7
0.71
0.71
0.36
2.49
1
2
1
4
0.53
1.06
0.53
2.12
3
1
1
2
1
3
1
6
1
31
3
0.36
2.14
0.36
11.03
1.07
1
2
1
25
3
0.53
1.06
0.53
13.23
1.59
1
1
2
1
1
1
4
1
7
28
0.36
2.49
9.96
1
5
15
0.53
2.65
7.94
1
0.36
1
0.53
1
1
1
1
0.36
0.36
0.36
1
1
1
0.53
0.53
0.53
1
1
2
2
1
1
1
1
1
1
1
2
3
1
2
1
1
1
1
2
4
5
1
8
2
2
6
3
8
6
1
1
9
7
1
23
2
13
1
1
1
2
1
1
3
3
5
5
1
1
2
21
2
3
17
1
Previous Status
Difference between previous
and present surveys
Spp.
%
Genera
%
1
0
3
6
2
2
0
2
1
3
1
1
13
3
10
23
6
39
3
2
5
1
0
1
2
1
2
8
2
1
3
0
38
6
1
1
8
26
2
4
1
0
0
0
100
0.0
60.0
85.7
66.7
100.0
0.0
40.0
100.0
75.0
100.0
100.0
72.2
60.0
40.0
52.3
75.0
48.1
42.9
100.0
17.9
50.0
0.0
100.0
50.0
33.3
66.7
53.3
100.0
1
0
0
0
0
2
0
1
0
1
1
1
6
0
3
3
1
26
0
2
6
1
0
1
1
0
0
0
1
1
0
0
23
3
1
0
5
4
2
3
1
0
0
0
100
0.0
0.0
0.0
0.0
100.0
0.0
25.0
0.0
50.0
100.0
100.0
66.7
0.0
25.0
18.8
50.0
51.0
0.0
100.0
25.0
50.0
0.0
100.0
50.0
0.0
0.0
0.0
100.0
Spp.
%
Genera
%
1
4
5
7
3
2
1
5
1
4
1
1
18
5
25
44
8
81
7
2
28
2
1
1
4
3
3
15
2
0
9
1
69
9
1
2
15
54
2
5
1
1
1
1
0.17
0.70
0.87
1.22
0.52
0.35
0.17
0.87
0.17
0.70
0.17
0.17
3.14
0.87
4.36
7.68
1.40
14.14
1.22
0.35
4.89
0.35
0.17
0.17
0.70
0.52
0.52
2.62
0.35
0.00
1.57
0.17
12.04
1.57
0.17
0.35
2.62
9.42
0.35
0.87
0.17
0.17
0.17
0.17
1
2
1
1
1
2
1
4
1
2
1
1
9
2
12
16
2
51
2
2
24
2
1
1
2
2
1
4
1
0
2
1
48
6
1
1
10
19
2
4
1
1
1
1
0.31
0.63
0.31
0.31
0.31
0.63
0.31
1.26
0.31
0.63
0.31
0.31
2.83
0.63
3.77
5.03
0.63
16.04
0.63
0.63
7.55
0.63
0.31
0.31
0.63
0.63
0.31
1.26
0.31
0.00
0.63
0.31
15.09
1.89
0.31
0.31
3.14
5.97
0.63
1.26
0.31
0.31
0.31
0.31
22
Dom. L. Dom. Cp. Occ. Spor.
2
1
1
1
3
5
2
2
2
1
2
1
2
1
1
2
17
8
4
4
1
1
11
2
6
2
4
8
4
17
5
4
43
1
11
2
3
2
1
4
3
3
1
15
2
1
7
1
1
2
2
8
1
9
3
2
1
1
3
1
1
4
1
2
1
4
1
6
5
1
1
2
1
5
1
0
3
25
2
1
8
19
1
1
1
1
1
1
6
1
3
1
1
1
27
6
7
1
1
3
18
1
2
1
2
11
1
33.3
0.0
55.1
66.7
100.0
50.0
53.3
48.1
100.0
80.0
100.0
0.0
0.0
0.0
0.0
0.0
47.9
50.0
100.0
0.0
50.0
21.1
100.0
75.0
100.0
0.0
0.0
0.0
Kamel et al.
Table (3): continued
Onagraceae
Orobanchaceae
Oxalidaceae
Palmae
Papaveraceae
Peganaceae
Plantaginaceae
Plumbaginaceae
Polygalaceae
Polygonacaceae
Portulacaceae
Primulaceae
Ranunculaceae
Resedaceae
Rhamnaceae
Rubiaceae
Rutaceae
Santalaceae
Scrophulariaceae
Sinopteridaceae
Solanaceae
Tamaricaceae
Thymelaeaceae
Typhaceae
Umberlliferae
Urticaceae
Verbenaceae
Zygophyllaceae
1
0.36
1
0.53
1
1
0.36
1
0.53
1
1
3
1
0.36
1.07
0.36
1
1
1
0.53
0.53
0.53
1
1
6
2.14
5
2.65
4
1
2
6
0.36
0.71
2.14
1
2
4
0.53
1.06
2.12
1
1
0.36
0.36
1
1
0.53
0.53
1
5
1.78
4
2.12
2
6
4
1
2.14
1.42
0.36
4
2
1
2.12
1.06
0.53
5
1
1.78
0.36
4
1
2.12
0.53
10
3.56
3
1.59
2
1
2
1
2
1
2
3
1
1
1
1
1
3
1
1
3
2
5
1
3
3
2
2
1
3
1
1
1
1
9
3
1
7
1
2
4
8
3
6
2
1
12
1
11
7
1
1
12
2
1
11
0.17
0.52
0.17
0.17
0.17
0.17
1.57
0.52
0.17
1.22
0.17
0.35
0.70
1.40
0.52
1.05
0.35
0.17
2.09
0.17
1.92
1.22
0.17
0.17
2.09
0.35
0.17
1.92
1
2
1
1
1
1
1
2
1
5
1
2
3
4
2
5
1
1
5
1
5
2
1
1
10
2
1
3
0.31
0.63
0.31
0.31
0.31
0.31
0.31
0.63
0.31
1.57
0.31
0.63
0.94
1.26
0.63
1.57
0.31
0.31
1.57
0.31
1.57
0.63
0.31
0.31
3.14
0.63
0.31
0.94
1
1
2
1
1
2
1
0
1
0
6
2
1
1
1
1
2
2
3
5
1
1
7
1
5
3
0
1
7
1
1
1
1
1
1
1
6
2
1
1
1
2
1
1
6
1
1
1
6
1
1
1
1
3
1
11
1
8
2
3
1
1
2
1
2
1
1
1
3
1
1
7
1
1
3
1
1
2
6
1
1
1
2
1
1
1
0
1
0
0
1
1
0
1
1
1
0
2
4
0
1
1
1
1
0
0
1
6
1
1
0
100.0
66.7
100.0
0.0
100.0
0.0
66.7
66.7
100.0
14.3
100.0
50.0
50.0
25.0
100.0
83.3
50.0
100.0
58.3
100.0
45.5
42.9
0.0
100.0
58.3
50.0
100.0
9.1
100.0
50.0
100.0
0.0
100.0
0.0
0.0
50.0
100.0
0.0
100.0
50.0
33.3
0.0
100.0
80.0
0.0
100.0
20.0
100.0
20.0
0.0
0.0
100.0
60.0
50.0
100.0
0.0
Table (4): Friedman test results for significant difference between present and previous surveys of North Sinai flora.
Eco$
geomorphological
area
North Sinai
Mediterranean Cost
Anticlines
Inland
Survey
Previous
Virtual Previous
Current
Grand Median
Previous
Current
Grand Median
Previous
Current
Grand Median
Previous
Current
Grand Median
No. of spp. ***
No. of genera ***
Dom. ***
Dom. L. ***
Sum of
Est. Sum of Est. Sum of Est. Sum of
Est.
Median Ranks Median Ranks Median Ranks Median Ranks
2.67
183.5
1.33
176.0
0.00
150.5
0.00
152.5
2.33
153.0
1.00
144.5
0.00
150.5
0.00
152.5
1.00
95.5
0.67
111.5
0.00
131.0
0.00
127.0
2.00
1.00
0.00
0.00
1.50
123.0
1.00
118.5
0.00
112.0
0.00
113.5
0.50
93.0
1.00
97.5
0.00
104.0
0.00
102.5
1.00
1.00
0.00
0.00
1.50
132.0
1.50
128.0
0.00
114.5
0.00
111.5
0.50
84.0
0.50
88.0
0.00
101.5
0.00
104.5
1.00
1.00
0.00
0.00
1.00
127.0
0.75
124.5
0.00
114.5
0.00
113.5
0.00
89.0
0.25
91.5
0.00
101.5
0.00
102.5
0.50
0.50
0.00
0.00
23
Cp. ***
Est.
Sum of
Median
Ranks
1.00
166.5
0.67
154.0
0.33
111.0
0.67
0.50
119.0
0.50
97.0
0.50
0.50
123.0
0.50
93.0
0.50
0.50
123.5
0.50
92.5
0.50
Occ. ***
Est.
Median
0.67
0.33
0.00
Spor. **
Sum of
Ranks
165.5
148.0
118.5
Est.
Median
0.00
0.00
0.00
118.0
98.0
0.00
0.00
120.0
96.0
0.00
0.00
115.5
100.5
0.00
0.00
0.33
0.00
0.0
0.00
0.00
0.00
0.00
0.00
101.5
114.5
0.00
0.00
0.00
0.00
Sum of
Ranks
141.5
131.5
159.0
103.5
112.5
0.00
104.5
111.5
0.00
Current status of the flora of North Sinai
is 252160 persons. Nonetheless, 2003 estimates for the
total size of the population raises the earlier figure to
326816 persons. This estimate assumed a natural
population growth rate of 4%, where the percentage of
inhabitants of the town represent 58% while males
represent 52% from the total population size (North
Sinai Governorate, 2004). The population is
concentrated in the northern coastal area specially El
Arish and Rafah cities that have the highest population
density where the society has been transformed from
pastoral to an agricultural. The total area of the
cultivated lands has increased from 34093 Feddans in
1982 to 192122 Feddans of gardens and fields of
vegetables and cereals (North Sinai Governorate, 2004).
The five times and half increase in the cultivated lands
since 1982 are taken as a strong indication that
agriculture has become one of the main professions in
the region especially after digging El Salam canal.
Table (5) confirms the transformation from a pastoral
society to an agricultural one. The number of cows and
buffalos, which are farm animals, are more than doubled
between 1997 and 2003. On the contrary, the number of
sheep and goats declined during the same period, which
indicates the dwindling of pastoral practices among the
Bedouins of northern Sinai. Table (5) also indicates that
the number of camels has dramatically plunged into
lower figures during the 1997 and 2003 period.
Nonetheless, the progress in transportation and
communication as many roads are constructed and
paved has strengthened the human impact on previously
remote areas.
In the central part of North Sinai (inland), the
population density decrease and the economic activities
is mainly pastoralism and plant collection for trade. The
collected plants are used for many purposes rather than
as a medicine; Emex spinosus, Reaumuria hirtella,
Diplotaxis harra, Trichodesma africanum, Zilla
spinosa, Centaurea eryngioides, and Rumex pictus are
been eaten, Anabasis articulata is used in cleaning, and
Calligonum comosum for leather tanning. Artemisia
judaica, Achillea fragrantissima, Juniperus phoenicea
and Seriphidium herba2album are among the most
traded plants from North Sinai.
Although the distribution level was basically
determined in present study with a different index than
that in previous survey (Danin et al., 1985), the apparent
change is still real that the error in estimating changes
due to using different indices would appear in
distribution not for presence or absence of the taxon.
Meanwhile, the annuals represent 49% of the collected
species which is normal to study area and even higher
than that of Gazar et al. (2000). This means that a fairly
high percent of the un recorded species are biennial or
perennial which are normally not affected by prevailing
weather and in turn indicates that the observed change is
real not a matter of methodological reasons. On the
other hand, the index used in current survey is more
Table (5): Comparing the evolution of livestock growth in
North Sinai Governorate between 1997 and 2003.*
Year
Livestock Type
Cows
Buffaloes
Cheep
Goats
Camels
Total
1997
2003
1574
73
138931
249289
13893
3629
164
124719
162280
2748
Difference
Amount
%
2055
91
14212
87009
11145
130.60
124.70
10.20
34.90
80.20
*Source: North Sinai Governorate, Information and Decision Support Center,
Census Book 2004; March 2004; p.205. The table is prepared by the author.
accurate than the index used by Danin et al. (1985) as it
is biased to companion (Cp.) estimation, especially in
Inland area.
In conclusion, under the prevailing drought
conditions which manifest the human induced threats, if
the present pressure on wild vegetation has not been
altered or relieved, the documented drift in floristic
composition and structure would be continue leading to
more loss in North Sinai flora. To stop this drift, a
number of natural flora refugee sites should be
established representing different habitats along the
three eco geomorphological areas in North Sinai.
ACKNOWLEDGMENTS
The authors would like to express thanks to Mr.
Hamada El Sayed, Mr. Ayman Abd El Hamid, and
Miss Amal Ibrahim for helping in collecting and
preparing specimens.
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Accepted April 30, 2008
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