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This art icle was downloaded by: [ Tech Univ of Lisbon Polo I st ] On: 22 August 2011, At : 06: 54 Publisher: Taylor & Francis I nform a Lt d Regist ered in England and Wales Regist ered Num ber: 1072954 Regist ered office: Mort im er House, 37- 41 Mort im er St reet , London W1T 3JH, UK Plant Biosystems - An International Journal Dealing with all Aspects of Plant Biology Publicat ion det ails, including inst ruct ions f or aut hors and subscript ion inf ormat ion: ht t p: / / www. t andf online. com/ loi/ t plb20 Annual dune plant communities in the Southwest coast of Europe J. C. Cost a a , C. Net o b b , M. Mart ins & M. Lousã a a Cent ro de Bot ânica Aplicada à Agricult ura (CBBA), Inst it ut o Superior de Agronomia, Technical Universit y of Lisbon (TULisbon), Tapada da Aj uda, 1349-017, Lisboa, Port ugal b Cent ro de Bot ânica Aplicada à Agricult ura (CBBA), Inst it ut e of Geography and Spat ial Planning (IGOT), Universit y of Lisbon, Edif ício da Faculdade de Let ras, Alameda da Universidade, 1600-214, Lisboa, Port ugal Available online: 22 Aug 2011 To cite this article: J. C. Cost a, C. Net o, M. Mart ins & M. Lousã (2011): Annual dune plant communit ies in t he Sout hwest coast of Europe, Plant Biosyst ems - An Int ernat ional Journal Dealing wit h all Aspect s of Plant Biology, 145: sup1, 91-104 To link to this article: ht t p: / / dx. doi. org/ 10. 1080/ 11263504. 2011. 602729 PLEASE SCROLL DOWN FOR ARTI CLE Full t erm s and condit ions of use: ht t p: / / www.t andfonline.com / page/ t erm s- and- condit ions This art icle m ay be used for research, t eaching and privat e st udy purposes. Any subst ant ial or syst em at ic reproduct ion, re- dist ribut ion, re- selling, loan, sub- licensing, syst em at ic supply or dist ribut ion in any form t o anyone is expressly forbidden. The publisher does not give any warrant y express or im plied or m ake any represent at ion t hat t he cont ent s will be com plet e or accurat e or up t o dat e. The accuracy of any inst ruct ions, form ulae and drug doses should be independent ly verified wit h prim ary sources. The publisher shall not be liable for any loss, act ions, claim s, proceedings, dem and or cost s or dam ages what soever or howsoever caused arising direct ly or indirect ly in connect ion wit h or arising out of t he use of t his m at erial. Plant Biosystems, Vol. 145, Supplement, September 2011, pp. 91–104 Annual dune plant communities in the Southwest coast of Europe J. C. COSTA1, C. NETO2, M. MARTINS2, & M. LOUSÃ1 Downloaded by [Tech Univ of Lisbon Polo Ist] at 06:54 22 August 2011 1 Centro de Botânica Aplicada à Agricultura (CBBA), Instituto Superior de Agronomia, Technical University of Lisbon (TULisbon), Tapada da Ajuda, 1349-017 Lisboa, Portugal and 2Centro de Botânica Aplicada à Agricultura (CBBA), Institute of Geography and Spatial Planning (IGOT), University of Lisbon, Edifı́cio da Faculdade de Letras, Alameda da Universidade, 1600-214 Lisboa, Portugal Abstract This study presents an updated sintaxonomic review of the annual communities from coastal dunes in the Southwest coast of Europe, specifically in the Iberian Peninsula, including both types: directly influenced by the sea salt spray and not affected by this influence. The floristic segregation of the different plant associations was obtained by statistical agglomerative processes (UPGMA, Unweighted Pair Group Method with Arithmetic Mean) plus principal coordinate analysis (PCoA) and discussed based on the interpretation of phytosociological tables. Three new communities in central western Portugal were found and are described: Pseudorlayo minusculae-Polycarpietum alsinifoli, Cerastio diffusae-Vulpietum fontqueranae and Omphalodo kunzinskyanae-Evacietum ramosissimae. Keywords: Biogeography, coastal dunes, chorology, sintaxonomy, Iberian Peninsula Introduction A general characteristic of annual plant communities is the fact that they colonize extreme biotopes, within the possible limits for vegetal life (Biondi 2007) where physical conditions hinder the development of most perennials. Globally, the diversity of therophitic communities is enormous, because these communities easily change their floristic combination along ecological gradients such as climatic, soil, topographic and human disturbance-related gradients (Guarino et al. 2005). After the major review from Dı́ez-Garretas et al. (2003), to extensive dune areas, especially in the North of Lisbon (Dividing Portuguese Sector, Sadensean-Dividing Portuguese Subprovince, Lusitan–Andalusian Coastal Province), the available information has been revealed to be scarce. Thus, new complete studies on the annual dune communities in the west of the Iberian Peninsula were needed. Such communities belong to the alliances Linarion pedunculatae (Cutandietalia maritimae), Anthyllido hamosae-Malcolmion lacerae (Malcolmietalia) and Thero-Airion (Helianthemetalia guttati). This type of vegetation is threatened by the invasion of alien plants (Campos et al. 2004; Stanisci et al. 2010; Zedda et al. 2010). Their conservation relevance is supported by the inclusion in the European Union Network ‘‘Nature 2000’’, with the habitat code ‘‘2230 Malcolmietalia dune grasslands’’ (Loidi 1999; Neto et al. 2007). Materials and methods The vegetation relevés have been made according to the sigmatist landscape phytosociological approach (Braun-Blanquet 1979; Weber et al. 2000; RivasMartinez 2005). Bioclimatic and biogeographic typologic follow Costa et al. (1999) and RivasMartinez et al. (2002). A total of 235 relevés were submitted to UPGMA and principal coordinate analysis (PCoA), with Bray–Curtis coefficient using SYNTAX 2000 software (Podani 2001). In addition to these, some other relevés were taken from literature (Rivas Goday 1958; Pinto Silva & Teles 1972; Dı́az González & Navarro 1978; RivasMartinez et al. 1980; Dı́ez-Garretas 1984; Izco et al. 1988; Costa et al. 1994, 1997, 2000; Dı́ezGarretas & Asensi 2002; Neto 2002; Lomba 2004) to Correspondence: José Carlos Costa, Centro de Botânica Aplicada à Agricultura (CBBA), Instituto Superior de Agronomia, Technical University of Lisbon (TULisbon), Tapada da Ajuda, 1349-017 Lisboa, Portugal. Tel: 00 351 213653166. Fax: 00 351 213653195. Email: jccosta@isa.utl.pt ISSN 1126-3504 print/ISSN 1724-5575 online ª 2011 Società Botanica Italiana DOI: 10.1080/11263504.2011.602729 92 J. C. Costa et al. compose the synthetic table and run the ordination and cluster analysis. Downloaded by [Tech Univ of Lisbon Polo Ist] at 06:54 22 August 2011 Results and discussion The PCoA ordination (Figure 1) separated the relevés of L. pedunculatae (relevés 1-123), Anthyllido hamosae-Malcolmion lacerae (relevés 124–219) and Thero-Airion (relevés 220–242). The performed cluster analysis UPGMA showed a segregation of the communities from L. pedunculatae (Figure 2) and Anthyllido hamosae-Malcolmion lacerae (Figure 3). Likewise, the new associations described show a fine floristic individuality over the others of the same alliance. The order Cutandietalia maritimae was proposed by Rivas-Martinez et al. (2002) to the Mediterranean annual associations of semi-fixed dunes, including the alliance L. pedunculatae, distributed by the west and northwest of the Iberian Peninsula and North of Africa. In the Iberian Peninsula and West Morocco, the order Malcolmietalia comprises the interior sandy soil communities, namely the Iberian alliance Anthyllido hamosae-Malcolmion lacerae which occurs in the clearings of bushes and woodlands in the themomediterranean dry belt. In the central west Portuguese coast, the relevés made in semi-fixed dunes do not show the endemics Linaria ficalhoana Rouy or Herniaria algarvica Chaudhri, which are present in Herniario algarvicaeLinarietum ficalhoanae in the south. Consequently, the communities from the north of Lisbon demonstrate a clear floristic individuality that can be explained by biogeography and climatic reasons. Both communities are physically separated by an extension superior to 100 km, of rocky cliffs, coastal limestone and granite platforms, between Lisbon and Carvoeiro Cap (Peniche). From a biogeographical point of view, this lithological discontinuity is critical in the distribution of the psammophilic plant communities in the west of the Iberian Peninsula. There are also important climatic differences, like higher number of foggy days in spring and summer, stronger influence of fronts, lower temperatures through the year and higher levels of rainfall, in the north. As a result, thermophilic plants have difficulty in moving north. When describing the association Violo henriquesiiSilenetum littoreae to the dunes of Galicia, Izco et al. (1988) extended its distribution area to the Portuguese western coast. However, the relevés made in this work have revealed that the dune community in the center of Portugal is different from that occurring in the northwest of the Iberian Peninsula (Table I, the bold values mean the type of the association and the values inside the box are the characteristics and the different species of each association). Hence, it is proposed as a new association, Pseudorlayo minusculae-Polycarpietum alsinifolii (Table II, typus relevé # 8), according to the following arguments: Viola kitaibeliana Schultes var. henriquesii (Willk.) Beck, Polycarpon diphyllum (L.) L., Omphalodes littoralis Lehm. ssp. gallaecica Laı́nz, Pseudorlaya pumila (L.) Grande ssp. microcarpa Loret and Barrandon, Sedum arenarium Brot. and Silene scabriflora Brot. ssp. gallaecica Talavera do not occur in the south of Aveiro; Pseudorlaya minuscula (Font Quer) Laı́nz, Polycarpon alsinifolium (Biv.) DC., Hedypnois Figure 1. PCoA Bray–Curtis coefficient: I L. pedunculatae II Anthyllido hamosae-Malcolmion lacerae III Thero-Airon. Downloaded by [Tech Univ of Lisbon Polo Ist] at 06:54 22 August 2011 Annual dune communities in Southwest Europe 93 Figure 2. UPGMA with Bray–Curtis coefficient of the association of Iberian Peninsula of L. pedunculatae: A Ononido variegatae-Linarietum pedunculatae B Herniario algarvicae-Linarietum ficalhoanae C Pseudorlayo minusculae-Polycarpietum alsinifoli D Violo henriquesii-Silenetum littoreae. Figure 3. UPGMA with Bray–Curtis coefficient of the association of Iberian Peninsula of Anthyllido hamosae-Malcolmion lacerae: A Hymenostemmo pseudanthemidis-Arenarietum emarginatae B Malcolmio lacerae-Anthyllidetum hamosae C Corynephoro macrantheri-Arenarietum algarbiensis D Omphalodo kunzinskyanae-Evacietum ramosissimae E Tolpido barbatae-Tuberarietum bupleurifoliae F Cerastio diffusi-Vulpietum fontquerianae G Linario donyanae-Loeflingietum baeticae. cretica (L.) Dumont-Courset, Silene nicaeensis All., Ononis dentata Sol ex Lowe and Pimpinella villosa Schousb. appear as differentials of this new community, when facing the Galician-Portuguese. Malcolmia ramosissima (Desf.) Thell. is differential to Herniario algarvice-Linarietum ficalhoanae. Violo Downloaded by [Tech Univ of Lisbon Polo Ist] at 06:54 22 August 2011 94 Table I. Synthoptic table of dunes associations of Linarion pedunculatae, Anthyllido hamosi-Malcolmion lacerae and Thero-Airion dunes of the Iberian Peninsula and North Africa. 1 13 2 7 3 26 4 11 5 7 6 22 Characteristics and differentials of the Linarion pedunculatae associations Viola kitaibeliana var. henriquesii V II Pseudorlaya pumila ssp. microcarpa IV Polycarpon diphyllum I II Sedum arenarium II Omphalodes littoralis ssp. gallaecica II Silene scabriflora ssp. gallaecica I Malcolmia ramosissima þ I I Silene littorea V III V V IV V Polycarpon alsinifolium V V V V Pseudorlaya minuscula IV III Silene nicaeensis II II II Pimpinella villosa II II Ononis dentata I Linaria ficalhoana V V Herniaria algarvica IV Chaenorhinum serpyllifolium ssp. lusitanicum Erodium laciniatum (Cav.) Willk. Romulea gaditana G. Kunze Hypecoum littorale Wulfen Ononis variegata V Linaria pedunculata Linaria munbyana ssp. pygmaea 7 11 8 4 9 7 10 15 11 15 12 4 13 3 14 10 15 5 16 13 17 10 18 1 20 28 21 6 22 16 I V V III 4 4 2 IV IV V III V IV III þ 4 V 3 3 1 II IV I þ I 1 4 2 4 Differentials of the Anthyllido hamosi-Malcolmion lacerae and Thero-Airion associations Hymenostemma pseudanthemis Arenaria emarginata Scilla ramburei Hippocrepis salzmannii Trisetaria dufourei (Boiss.) Paunero Anthoxanthum ovatum Evax asterisciflora Hymenocarpos hamosus Malcolmia triloba Loeflingia baetica var. baetica Linaria tursica Arenaria algarbiensis Tuberaria bupleurifolia Scilla odorata Lotus castellanus V V þ I þ IV V V V 3 4 I 23 13 24 10 III III þ I V III 2 2 3 3 V V IV III II III III V V þ 3 4 4 5 V V III II 1 II 1 I IV II V IV III þ (continued) J. C. Costa et al. Column number Number of relevés Downloaded by [Tech Univ of Lisbon Polo Ist] at 06:54 22 August 2011 Table I. (Continued). Column number Number of relevés Corynephorus macrantherus Malcolmia gracillima Omphalodes kuzinskyanae Jonopsidium acaule Vulpia fontquerana Lotus arenarius Aira praecox Cerastium diffusum Asterolinon linum-stellatum Petrorhagia prolifera (L.) P.W. Ball Trifolium arvense L. Koeleria albescens DC. Ononis reclinata L. Arenaria serpyllifolia L. Phleum arenarium L. Rumex bucephalophorus ssp. bucephalophorus 1 13 2 7 3 26 4 11 5 7 6 22 7 11 8 4 9 7 10 15 11 15 12 4 13 3 14 10 15 5 16 13 17 10 I 18 1 20 28 1 V II 21 6 22 16 23 13 24 10 IV II II I IV III IV IV IV I II I III I III V II IV III II IV III II III III þ r II Characteristics of the Malcolmietalia and Anthyllido-Malcolmion lacerae Erodium bipinnatum IV III V V V II Rumex bucephalophorus ssp. hispanicus þ III II III III III Ononis diffusa þ Evax ramosissima III Coronilla repanda I I Vulpia membranacea. II þ Andryala arenaria þ Ononis broterana r þ Linaria spartea Silene colorata þ Leucojum trichophyllum Schousb. Ononis baetica Clemente Corynephorus fasciculatus Boiss. & Reut. Loeflingia baetica var. micrantha Ornithopus isthmocarpus Agrostis tenerrima Silene scabriflora ssp. scabriflora þ Ornithopus sativus III V III 3 2 V 4 IV III 4 1 V III III IV V IV I IV II V V III III II IV 4 4 1 4 3 2 V 3 2 II 3 2 V IV 4 4 2 I 2 II 3 1 2 3 V III 1 1 IV þ I II III þ II 4 II II V I V IV I II III III V V IV I I þ IV V V III 5 2 V 4 III V V 3 4 5 III II þ I II II IV III II II 2 1 1 1 1 1 II III III IV 1 1 V V þ II I II I V II III II III I þ IV V IV I V III IV IV I II III I IV II I II III V II V I III V I I V 95 (continued) Annual dune communities in Southwest Europe Characteristics of the Cutandietalia maritimae Medicago littoralis Rohde þ III Cutandia maritima Hedypnois cretica Pseudorlaya pumila var. pumila Hedypnois arenaria (Schousb.) DC. r II III Downloaded by [Tech Univ of Lisbon Polo Ist] at 06:54 22 August 2011 96 Column number Number of relevés 1 13 2 7 3 26 4 11 Characteristics and differentials of the Helianthemetea guttatae Mibora minima (L.) Dev. II Hypochoeris glabra L. I Leontodon longirostris IV II IV Ornithopus pinnatus I þ þ Tuberaria guttata III II II Trifolium scabrum I r Crassula tillaea Lest.-Garl. III Teesdalia nudicaulis I Vulpia myuros II Logfia minima I Euphorbia exigua r Micropyrum tenellum r Trifolium campestre I Scorpiurus muricatus Briza maxima L. Silene portensis L. Dipcadi serotinum Vulpia bromoides Ornithopus compressus L. Teesdalia coronopifolia (J.P. Bergeret) Thell. Logfia gallica (L.) Coss. & Germ. Tolpis barbata Pterocephalus diandrus Petrorhagia nanteuilii Lathyrus angulatus L, Paronychia echinulata Chater Plantago bellardii Andryala integrifolia L. Aira caryophyllea ssp. caryophyllea Jasione montana Trifolium angustifolium Linum bienne Medicago lupulina L. Ornithopus perpusillus L. 5 7 6 22 7 11 8 4 9 7 10 15 r þ þ I 2 4 11 15 12 4 13 3 14 10 15 5 16 13 17 10 18 1 20 28 III 4 þ þ 1 II V IV 5 V II III IV V 1 1 I V 4 III 21 6 III IV 1 þ I I 3 1 II III V I II I I II II II II II III 4 2 5 3 3 V II II 1 22 16 þ II III II V II IV V II III II II II 1 1 V I II II II II III I V II I II III I II 24 10 II II II III III III þ IV 23 13 III IV þ þ I þ II r II 1 1 1 II II III II I II V V þ þ II III I V I II (continued) J. C. Costa et al. Table I. (Continued). Downloaded by [Tech Univ of Lisbon Polo Ist] at 06:54 22 August 2011 Table I. (Continued). Column number Number of relevés I þ þ þ þ I þ 2 7 3 26 4 11 IV II I III II I IV 5 7 6 22 7 11 8 4 r I 2 9 7 10 15 II I IV 11 15 12 4 13 3 14 10 15 5 16 13 2 2 III 1 I 4 II II V 17 10 18 1 20 28 21 6 þ III III V II IV V 2 II II IV 1 IV þ III I I I I IV II III þ II 2 IV 4 23 13 24 10 III V III þ II þ III IV III I V 22 16 2 II V III II III I III II þ II III IV 1 I II þ II II II II II II I 5 II IV 4 II I þ II V II I I II IV Note: Violo henriquesii-Silenetum littoreae: 1 Izco et al. 1988, 2 Lomba (2004); Pseudorlayae misnusculae-Polycarpietum alsinifoli: 3, 4 Costa et al. (2000) under the name Violo-Silenetum littoreae; Herniario algarvicae-Linarietum ficalhoanae: 5 Diez Garretas (1984), 6 Neto (2002), 7 Costa et al. (1992); Herniario algarvicae-Linarietum ficalhoanae chaenerhitesosum lusitanicae: 8 Costa et al (1992); Ononido variegatae-Linarietum pedunculatae: 9 Diez Garretas (1984), 10 Costa et al. (1996), 11 Diez Garretas & Ascensi (2002); Ononido variegatae-Linarietum pedunculatae linarietosum pygmaeae: 12 Diez Garretas (1984), 13 Costa (1991), 14 Costa et al. (1996); Hymenostemmo pseudoanthemidis-Arenarietum emarginatum: 15 Rivas Goday (1958); Malcomio lacerae-Anthyllidetum hamosae: 16 Rivas Goday (1958); Linario donyanae-Loeflingietum baeticae: 17 Rivas-Martı́nez et al. (1980); Tolpido barbatae-Tubarietum bupleurifoliae: 18 Costa et al. (1996); Corynephoro macrantheri-Arenarietum algarbiensis: 19 Pinto da Silva & Teles (1972), 20 Neto (2002); Omphalodo kunzinskyanae-Evacietum ramosissimae: 21; Cerastio diffusi-Vulpietum fontqueranae: 22; Petrorhagio-Trifolietum arvensis: 23 Dı́az González & Navarro Andrés (1978); Asterolino linostellati-Rumicetum bucephalophori: 24 Dı́az González & Navarro Andrés (1978). Annual dune communities in Southwest Europe Principal companions Vulpia alopecuros Paronychia argentea Lagurus ovatus Anagallis arvensis Senecio gallicus Veronica arvensis L. Catapodium marinum (L.) C.E. Hubb. Centranthus calcitrapa Medicago polymorpha L. Poa annua L. Sedum acre L. Reichardia gaditana Papaver setigerum DC. Brassica oxyrrhina Cosson Linaria viscosa (L.) Chaz. Silene longicaulis Pourr. Alkanna tinctoria (L.) DC. Catapodium rigidum C.E. Hubb. Chamaemelum mixtum (L.) All. Lotus edulis L. Galium murale Blackstonia perfoliata (L.) Huds. Lotus corniculatus L. Aphanes arvensis L. 1 13 97 Downloaded by [Tech Univ of Lisbon Polo Ist] at 06:54 22 August 2011 98 Table II. Pseudorlayo minusculae-Polycarpietum alsinifoli. 1 6 15 Characteristics of association, alliance and order Polycarpon alsinifolium Silene littorea Brot. 2 Erodium bipinnatum 2 Medicago littoralis Rohd 1 Pseudorlaya minuscula 2 Cutandia maritima (L.) W. Barbey Silene nicaeensis Hedypnois cretica Pimpinella villosa Ononis dentata Malcolmia ramosissima Characteristics of Helianthemetea guttati Leontodon longirostris (Finch & P.D. Sell) Talavera Rumex bucephalophorus ssp. hispanicus Vulpia myuros (L.) C.C. Gmel. Tuberaria guttata (L.) Fourr. Vulpia membranacea (L.) Dumort. Logfia minima (Sm.) Dumort. Coronilla repanda (Poir.) Guss. Characteristics of Ammophiletea Euphorbia portlandica L. Lotus creticus L. Crucianella maritima L. Helichrysum picardii Boiss. & Reuter Medicago marina L. Seseli tortuosum L. Armeria welwitschii Boiss. Anagallis monelli var. microphylla (Ball) Vasc. Calystegia soldanella (L.) R. Br. Eryngium maritimum L. Artemisia crithmifolia L. Iberis procumbens Lange Aetheorhiza bulbosa (L.) Cass. Pancratium maritimum L. Malcolmia littorea (L.) R.Br. Cyperus capitatus Vandelli Anchusa calcarea Boiss. þ 2 4 18 3 6 21 4 4 16 5 4 12 6 6 20 7 4 20 8 4 11 9 4 14 10 4 15 11 6 21 12 6 22 13 6 21 14 4 13 15 6 17 16 6 22 17 6 22 18 6 19 19 4 18 20 4 15 21 2 18 22 4 20 23 6 25 24 4 19 25 4 14 26 4 23 þ 2 2 1 3 1 2 3 4 1 2 3 3 2 3 3 2 3 1 1 2 2 1 1 1 1 2 2 3 1 1 2 þ 1 3 3 1 þ 3 2 1 1 3 2 2 1 3 2 1 þ þ 1 3 2 2 2 2 þ þ 2 2 1 2 1 þ þ 4 2 1 2 1 1 2 2 2 2 þ 1 1 2 2 3 1 1 þ þ 1 4 2 2 1 3 2 2 2 þ 1 þ 3 2 3 2 þ 1 1 þ 2 þ 1 1 þ 2 þ 2 þ 2 3 þ 1 1 1 1 þ þ 1 þ 2 1 þ 1 2 þ 1 þ þ 1 þ 1 1 1 þ þ 1 1 þ 1 2 þ 1 3 1 þ 1 þ þ 1 þ 1 3 1 þ 1 2 1 2 2 1 þ þ þ 2 þ þ 2 þ 1 þ 2 1 3 1 1 þ 2 2 þ 1 þ þ þ þ . þ þ þ 1 þ þ þ þ þ þ þ þ þ þ þ þ þ þ þ þ þ þ þ þ þ þ þ þ þ þ þ þ þ þ þ þ þ þ 1 þ þ þ þ þ þ þ þ þ þ þ þ þ þ þ þ þ 1 þ þ þ þ þ þ þ þ þ þ þ þ þ þ þ þ þ þ þ þ þ þ þ þ þ þ þ þ þ þ þ þ þ þ þ þ þ þ þ þ þ þ þ þ þ 1 þ þ þ þ þ þ þ þ þ þ þ þ þ þ þ þ þ þ þ þ þ 1 1 þ þ þ þ þ þ þ þ þ þ þ þ þ þ þ þ þ þ (continued) J. C. Costa et al. # relevé Sampling area (m2) Number of species Downloaded by [Tech Univ of Lisbon Polo Ist] at 06:54 22 August 2011 Table II. (Continued). # relevé Sampling area (m2) Number of species 2 4 18 3 6 21 1 1 þ þ þ þ þ þ 1 4 4 16 5 4 12 þ þ þ þ 1 þ 6 6 20 7 4 20 8 4 11 9 4 14 10 4 15 11 6 21 12 6 22 13 6 21 14 4 13 15 6 17 16 6 22 þ 1 þ þ 1 1 1 þ þ 1 þ 1 1 þ þ þ 2 þ þ þ 2 2 2 þ þ þ þ 1 þ 18 6 19 19 4 18 2 þ þ þ þ 1 þ þ þ þ þ þ þ þ þ 1 þ 20 4 15 21 2 18 22 4 20 23 6 25 1 þ 1 1 1 1 1 þ þ þ þ þ þ þ þ þ 1 1 þ þ þ þ þ 17 6 22 þ þ þ 24 4 19 þ þ 26 4 23 þ þ þ 1 þ þ 25 4 14 þ þ More: Characteristics of Helianthemetea: Lotus arenarius þ in 2, 21; Silene scabriflora ssp. scabriflora þ in 2, 1 in 23; Ornithopus pinnatus (Miller) Durc. þ in 21, 1 in 26; Andryala arenaria þ in 22, 24; Euphorbia exigua L. þ in 3; Ononis broterana 1 in 11; Trifolium scabrum L. 1 in 14, Micropyrum tenellum (L.) Link 1 in 14; Urospermum picroides (L.) Scop. þ in 2, 24; Asteriscus maritimus (L.) Less. þ in 25; Characteristics of Ammophiletea: Leontodon taraxacoides (Vill.) Merat þ in 6, 1 in 11; Linaria polygalifolia Hoffmanns. & Link þ in 13, 16; þEuphorbia paralias L. in 9; þMatthiola sinuata (L.) R.Br. in 10; þOtanthus maritimus (L.) Hoffmanns & Link in 12; þHerniaria maritima Link; Companions: Catapodium marinum (L.) C.E. Hubb. þ in 1, 23, 24; Lobularia maritima (L.) Desv. þ in 23, 25, 26; Cakile maritima Scop þ in 22, 23; Carex arenaria L. þ in 5; þBromus rigidus Roth in 22; Bromus diandrus Roth in 24. Places: 1, 2, 3 South of Pedrogão Beach (Leiria), 4, 5 North of Pedrogão Beach (Leiria), 6, 8 Vieira de Leiria Beach (Marinha Grande), 7, 12 North of Nazaré, 9 S. Pedro de Muel (Marinha Grande), 10, 11 Pedra de Ouro Beach (Marinha Grande), 13 S. Martinho do Porto (Alcobaça), 14 Baleal Sul (Peniche), 15 Peniche, 16 Consolação Beach (Peniche), 17 Areia Branca (Lourinhã), 18 Palheiros de Mira (Mira), 19 Quiaios Beach (Figueira da Foz), 20 Palheiros da Tocha (Cantanhede), 21 Cabo Raso (Cascais), 22 Oitavos (Cascais), 23 Raso Cap (Cascais), 24 Guincho Beach (Cascais), 25 Abano Beach (Cascais), 26 Magoito (Sintra). Annual dune communities in Southwest Europe Companions Vulpia alopecuros (Schousb.) Dumort. Senecio gallicus Vill. Sedum sediforme (Jacq.) Pau Reichardia gaditana (Willk.) Coutinho Lagurus ovatus L. Centranthus calcitrapa (L.) Drusf. Plantago coronopus L. Corynephorus canescens (L.) P. Beauv. Anagallis arvensis L. Parapholis filiformis (Roth) C.E. Hubb. 1 6 15 99 Downloaded by [Tech Univ of Lisbon Polo Ist] at 06:54 22 August 2011 100 J. C. Costa et al. henriquesii-Silenetum littoreae have an exclusively Eurosiberian distribution (Galician–Portuguese), in thermotemperate (submediterranean) and upper mesomediterranean bioclimate, occurring in the clearings of Iberidetum procumbentis and extending in Portugal until Aveiro. To the south of Aveiro until Cascais (Coastal Portuguese and Olissiponesean districts, Dividing Portuguese Sector), the former association is replaced by Pseudorlayo minusculaePolycarpietum alsinifolii, occupying the clearings of Loto cretici-Ammophiletum australis and Armerio welwitschii-Crucianelletum maritimae, in upper thermomediterranean to lower mesomediterranean, upper dry to lower subhumid bioclimate. The alliance L. pedunculatae (Table I) includes the following four associations: (1) Ononido variegatae-Linarietum pedunculatae (relevés 1–29 in Figure 2): a thermomediterranean association of wide distribution in the southwest of the Iberian Peninsula, between Algarve and Almeria, also present in Morocco and Algeria (Dı́ez-Garretas & Asensi 2002) (Figure 4), with Linaria pedunculata (L.) Chaz. and Ononis variegata L. as guideline species. On more stabilized dunes occurs the subassociation linarietosum pygmaeae, differentiated by Linaria munbyana Boiss. and Reut. ssp. pygmaea (Samp.) Rivas-Mart.; (2) Herniario algarvicae-Linarietum ficalhoanae (30– 73): in Sadensean and Vincentine coastal dunes, in the thermomediterranean dry belt. For lithified calcareous dunes, the subassociation chaenorhinetosum lusitanicae characterized by Chaenorhinum serpyllifolium (Lange) Lange ssp. lusitanicum R. Fernandes is described; (3) Violo henriquesii-Silenetum littoreae (111–123); (4) Pseudorlayo minusculae-Polycarpietum alsinifolii ass nova hoc loco (74–110). Concerning the associations in the more interior dunes, belonging to Anthyllido hamosae-Malcolmion Figure 4. Distribution map of annual dune plant communities in Iberian Peninsula and west of North Africa. 101 Annual dune communities in Southwest Europe Downloaded by [Tech Univ of Lisbon Polo Ist] at 06:54 22 August 2011 Table III. Cerastio diffusi-Vulpietum fontquereanae. # relevé Sampling area (m2) Number of species 1 6 17 Characteristics of association, alliance Silene scabriflora ssp. scabriflora Linaria spartea Andryala arenaria Cerastium diffusum Aira praecox Vulpia fontquerana Erodium bipinnatum Lotus arenarius Vulpia membranacea Medicago littoralis Coronilla repanda Rumex bucephalophorus ssp. hispanicus Ononis broteroana Agrostis tenerrima Ornithopus isthmocarpus Coss. and order 4 3 3 1 þ 1 1 þ 3 3 8 24 3 1 1 1 1 þ þ þ 1 4 6 25 5 6 24 6 6 27 7 6 26 8 14 40 9 14 31 10 6 19 11 6 16 12 10 21 13 14 22 14 6 28 15 4 22 16 8 19 1 3 2 þ þ 3 1 1 1 2 þ 1 1 3 2 2 þ 4 1 2 1 1 3 1 þ þ 1 3 þ þ þ 1 2 1 2 þ 1 2 2 2 3 þ þ 3 þ 1 þ 2 1 2 1 þ 3 þ þ 3 1 1 1 1 2 þ 1 1 þ þ þ þ 2 þ 2 þ þ þ 1 þ 1 1 þ 1 1 þ 1 3 1 þ þ 1 þ þ 2 þ 2 1 1 þ 1 3 1 þ þ þ Characteristics of Helianthemetea guttati Briza maxima L. 1 Tuberaria guttata Asterolinon linum-stellatum (L.) Duby Aira caryophellea L. ssp. caryophyllea Leontodon longirostris þ Logfia minima Tolpis barbata (L.) Gaertn. Euphorbia exigua þ Vulpia myuros Trifolium campestre L. Trifolium scabrum þ Linum bienne Plantago bellardii All. Vulpia bromoides (L.) S.F. Gray 2 Jasione montana L. Trifolium arvense L. 1 Teesdalia nudicaulis (L.) R.Br. Ornithopus pinnatus Companions Lagurus ovatus Corynephorus canescens var. maritimus Aetheorhiza bulbosae Vulpia alopecurus Centranthus calcitrapa Senecio gallicus Avena barbata Pott ex Link ssp. barbata Scilla monophyllus Link Bromus diandrus Sonchus oleraceus L. Anarrhinum bellidifolium (L.) Wild. 2 6 24 1 þ 1 3 þ þ 1 2 3 2 3 1 1 þ þ 2 1 1 þ þ þ þ þ þ þ þ 2 1 þ þ 1 þ þ þ þ þ þ 1 1 þ þ 1 1 1 2 2 2 1 1 þ þ 1 1 þ 1 þ 1 þ 2 þ 1 þ þ 3 2 þ 2 þ þ þ 1 þ þ þ þ þ 2 1 1 þ 1 1 1 1 1 1 1 2 1 2 2 2 1 3 1 1 þ 2 1 1 þ þ þ þ 1 1 þ þ 1 2 þ þ þ þ 1 þ þ 2 þ þ 1 þ þ þ þ 1 1 þ þ þ þ þ þ þ þ 2 þ þ þ þ þ þ þ 1 3 2 2 2 þ þ þ þ þ 1 2 þ 1 þ þ þ 1 þ þ þ 1 3 1 1 2 þ 2 þ þ þ þ þ 1 1 1 1 1 þ þ þ þ 2 þ þ 2 1 1 1 1 þ þ þ þ þ þ 1 þ 1 þ þ 1 þ þ þ 1 þ þ þ þ þ þ More: Characteristics of Helianthemetea: Polycarpon alsinifolium 1 in 1, þ in 8; Silene littorea þ in 1, 5; Scorpiurus muricatus L. þ in 2, 4; Pterocephalus diandrus (Lag.) Lag. þ in 4, 14, Hedypnois cretica þ in 5, 14; Silene colorata Poir. þ in 6, 1 in 15; Trifolium angustifolium L. þ in 6, 9; Hypochoeris glabra L. þ in 6, 8; Petrorhagia nanteuilii (Lag.) Lag. þ in 7, 8; Mibora minima (L.) Dev. þ in 10; Companions: Herniaria ciliolata subsp. robusta þ in 2, 9; Silene gallica L. þ in 3, 14; Juncus capitatus Weigel, þ in 3, 16; Lolium rigidum Gaudin, þ in 4, 9; Sedum sediforme þ in 5, 9; Carex arenaria þ in 8, 12; Vulpia ciliata Dumort. þ in 8, 12; Dipcadi serotinum (L.) Medik. þ in 8, 13; Sesamoides purpurascens (L.) G. López þ in 8, 16; Chamaemelum mixtum (L.) All. þ in 3; þSeseli tortuosum þ in 5; þMatthiola sinuata in 5; Rumex acetosella L. ssp. angiocarpus (Murb.) Murb. þ in 8; þAnagallis monelli var. microphylla, in 8; þHelichrysum picardii (pl.) in 12; þSenecio vulgaris L. in 13; þUrospermum picroides in 14; þOdontites tenuifolia (Pers.) G. Don f. in 16. Places: 1 Between S.Pedro de Muel and Vieira de Leiria (Marinha Grande), 2 Vieira de Leiria Beach (Marinha Grande), 3 Between Marinha Grande and Vieira de Leiria; 4, 6, 10, 13 Pataias (Alcobaça); 5, 9 Between Vieira de Leiria and Pedrogão Beach (Leiria), 7, 11 Marinha Grande; 8 S. Pedro de Muel (Marinha Grande),12 Pilado (Marinha Grande), 13 Calhau (Nazaré). 102 J. C. Costa et al. Table IV. Omphalodo kunzinskyanae-Evacietum ramosissimae. Downloaded by [Tech Univ of Lisbon Polo Ist] at 06:54 22 August 2011 Numerical order Sampling area (m2) Altitude (m) Number of species 1 4 50 18 Characteristics of association, alliance and order Evax ramosissima 2 Pimpinella villosa 2 Erodium bipinnatum þ Omphalodes kuzinskyanae 4 Rumex bucephalophorus ssp. hispanicus 1 Ononis broteroana 1 Vulpia membranacea Ononis dentata 2 Coronilla repanda Silene scabriflora ssp. scabriflora Jonopsidium acaule Ornithopus isthmocarpus Ononis diffusa Ten. Ornithopus sativus Brot. Linaria spartea Characteristics of Helianthemetea guttati Medicago littoralis Euphorbia exigua Tuberaria guttata Ornithopus pinnatus Scorpiurus muricatus Companions Anagallis arvensis Centaurium erythraea Rafn Galium murale (L.) All. Centranthus calcitrapa Paronychia argentea Lam. Lagurus ovatus Narcissus bulbocodium L. Senecio vulgaris Anagallis monelli var. microphylla 1 1 2 8 60 24 3 2 40 19 4 4 40 21 5 6 60 25 6 6 70 25 3 3 1 1 3 1 2 1 1 3 2 þ 1 4 1 2 2 2 2 1 3 2 1 1 2 2 1 1 1 þ þ 1 þ þ 3 2 þ 1 þ þ 1 1 þ 1 1 1 þ þ 1 1 1 2 þ þ 2 1 þ þ þ þ þ þ þ þ þ þ þ þ þ 1 þ þ þ þ þ þ þ þ þ þ þ þ þ þ þ 3 þ þ þ þ þ 1 1 þ þ þ þ More: Characteristics of Helianthemetea: Polycarpon alsinifolium þ in 1; 1 Trifolium arvense 1 in 3; Asterolinon linum-stellatum þ in 3; Micropyrum tenellum þ in 3; Companions: Lobularia maritima þ in 1, 1 in 5; Armeria welwitschii þ in 1, 5; Chamaemelum nobile (L.) All. var. discoideum (Willd.) P.Silva 1 in 3, 4; Dipcadi serotinum þ in 3, 4; Polycarpon tetraphyllum (L.) L. þ in 3, 6; Senecio gallicus þ in 4, 1 in 5; Cerastium glomeratum þ Thuill. in 1; Bellis annua L. 1 in 2; Carlina corymbosa L. þ in 2; Calendula suffruticosa Vahl ssp. algarbiensis (Boiss.) Nyman þ in 2; Polypogon maritimus Willd. þ in 4, Geranium molle L. þ in 4; Centaurea sphaerocephala L. þ in 5; Seseli tortuosum þ in 5; Scabiosa atropurpurea (L.) Greuter et Burdet þ in 5; Lupinus angustifolius L. þ in 6. Places: 1 Between Ursa and Adraga (Sintra), 2 Samarra (Sintra), 3, 4 Abano (Cascais), 5, 6 Between Adraga and Praia Grande (Sintra). lacerae, the relevés from the Coastal Portuguese district have revealed an original floristic combination, where elements from Malcolmietalia (like Silene scabriflora ssp. scabriflora, Vulpia fontquerana Melderis and Stace, Erodium bipinnatum Willd., Linaria spartea (L.) Chaz., Andryala arenaria (DC.) Boiss and Reut, Lotus arenarius Brot., Ononis broterana DC., Coronilla repanda (Poir.) Guss., Agrostis tenerrima Trin., and Rumex bucephalophorus L. ssp. hispanicus (Steinh.) Rechb. f., etc.), the alliance Thero-Airion (Cerastium diffusum Pers., Aira praecox L.), and from the North of the Iberian Peninsula (Cantabric-Atlantic) are mingled. Therefore, for the community occurring on old dunes, in the clearings of Stauracantho genistoidis-Corematetum albi, with upper mesomediterranean and lower subhumid bioclimate, the name Cerastio diffusae-Vulpietum fontqueranae (Table III, typus relevé # 10) is proposed, distinguishing it from other communities of Anthyllido hamosae-Malcolmion lacerate, Petrorhagio-Trifolietum arvensis and Astrolino-Rumicietum bucephalophori (Table I) described for Asturias (Dı́az González & Navarro 1978). A characteristic species of this new association, Vulpia fontquerana, possesses a disjoint distribution area, occurring again in the southwest of the Iberian Peninsula, in Linario donyanae-Loeflingietum baeticae. To the Olissiponesean district, in the upper thermomediterranean and upper dry belt, in dunes on calcareous platforms, Omphalodo kuzinskyanae- Annual dune communities in Southwest Europe Downloaded by [Tech Univ of Lisbon Polo Ist] at 06:54 22 August 2011 Evacietum ramosissimae is proposed, which includes Evax ramosissima Mariz, Omphalodes kuzinskyanae Willk., Erodium bipinnatum, Pimpinella villosa, Ononis dentata, Ononis broteroana and Jonopsidium acaule (Desf.) Rchb., etc. (Table IV, typus relevé # 1). Although near the sea, being positioned in the top of cliffs in the clearings of Osyrio quadripartitae-Juniperetum turbinatae, these communities do not directly suffer the sea spray influence. The statistic treatments have positioned these communities in the alliance Anthyllido hamosae-Malcolmion lacerae (Figure 1). The alliance is composed as follows (Table I): (1) Hymenostemmo pseudanthemidis-Arenarietum emarginatae (relevés 1–10 in Figure 3) occurs on sandy soils, in the Gaditanean littoral district, with the differentials Hymenostemma pseudanthemis (G. Kunze) Willk., Arenaria emarginata Brot., Scilla ramburei Boiss. and Hippocrepis salzmannii Boiss and Reuter; (2) Malcolmio lacerae-Anthyllidetum hamosae (24– 28) is an association from fossil dunes on deep sandy soils of the Gaditan–Onubensean sector, with Malcolmia triloba (L.) Spreng., Hymenocarpos hamosus (Desf.) Vis, Anthoxanthum ovatum Lag., Evax asterisciflora (Lam.) Pers., etc.; (3) Linario donyanae-Loeflingietum baeticae (11–23) on interior dunes of the National Park of Doñana (Coastal Onubensean District), characterized by Linaria tursica Valdés and Cabezudo, Loeflingia baetica Lag. var. baetica, etc.; (4) Tolpido barbatae-Tuberarietum bupleurifoliae (29– 38) on the littoral sands of the Algarvian district, in the clearings of Cistetum bourgaeani and Tuberario majoris-Stauracanthetum boivinii, with Tuberaria bupleurifolia, Scilla odorata and Lotus castellanus as differentials; (5) Corynephoro macrantheri-Arenarietum algarbiensis (39–67) on the old dunes of the Sadensean district, characterized by Arenaria algarbiensis Willk., Corynephorus macrantherus Boiss. and Reut., Malcolmia gracillima Samp., Loeflingia baetica var. micrantha (Boiss. and Reut.) Samp., etc.; (6) Cerastio diffusae-Vulpietum fontqueranae ass nova hoc loco (74–89); (7) Omphalodo kuzinskyanae-Evacietum ramosissimae Neto, J.C. Costa, J.P. Fonseca and Lousã ass nova hoc loco (68–73). Sintaxonomic scheme HELIANTHEMETEA GUTTATI (Br.-Bl. in Br.-Bl., Roussine & Nègre 1952) Rivas Goday & Rivas-Martı́nez 1963 em. Rivas-Martı́nez 1978 *Helianthemetalia guttati Br.-Bl. in Br.-Bl., Molinier & Wagner 1940 em. Rivas-Martı́nez 1978 103 **Thero-Airion Tüxen & Oberdorfer 1958 Asterolino lino-stellati-Rumicetum bucephalophori T.E. Dı́az & F. Navarro 1978 Petrorhagio-Trifolietum arvensis T.E. Dı́az & F. Navarro 1978 *Malcolmietalia Rivas Goday 1958 **Anthyllido hamosae-Malcolmion lacerae Rivas Goday 1958 em. Rivas-Martı́nez 1978 Hymenostemmo pseudanthemidis-Arenarietum emarginatae Rivas Goday 1958 Malcolmio lacerae-Anthyllidetum hamosae Rivas Goday 1958 Linario donyanae-Loeflingietum baeticae Rivas-Martı́nez, Costa, Castroviejo & E. Valdês 1980 Tolpido barbatae-Tuberarietum bupleurifoliae J.C. Costa in J.C. Costa, Lousã & Espı́rito-Santo 1997 Corynephoro macrantheri-Arenarietum algarbiensis P. Silva & Teles ex Rivas-Martı́nez & Izco 2002 Cerastio diffusi-Vulpietum fontquerianae J.C. Costa, Neto, M. Martins & Lousã ass. nova hoc loco Omphalodo kuzinskyanae-Evacietum ramosissimae Neto, J.C. Costa, J.P. Fonseca & Lousã ass. nova hoc loco *Cutandietalia maritimae Rivas-Martı́nez, Dı́ez Garretas & Asensi 2002 **L. pedunculatae Diez Garretas, Asensi & Esteve in Diez Garretas 1984 Herniario algarvicae-Linarietum ficalhoanae Dı́ez Garretas 1984 linarietosum ficalhoanae chaenorrhinetosum lusitanicae J.C. Costa, Espı́rito Santo & Lousã 1994 Ononido variegatae-Linarietum pedunculatae Diéz Garretas ex Izco, P. & J. Guitián 1988 linarietosum pedunculatae linarietosum pygmaeae Dı́ez Garretas 1984 Violo henriquesii-Silenetum littoreae Izco & Guitián 1988 Pseudorlayo minusculae-Polycarpietum alsinifoli J.C. Costa, Neto, M. Martins & Lousã ass. nova hoc loco All communities from L. pedunculatae and Anthyllido hamosae-Malcolmion lacerae have specific floristic compositions and biogeographic areas, allowing the characterization of districts. More rarely they correspond to unique thermotype and ombrotype. Considering the alliance Anthyllido hamosae-Malcolmion lacerae as an endemic element characteristic from this Province, its distribution to the entire Lusitan– Andalusian Coastal Province is proposed. References Biondi E. 2007. Thoughts on the ecology and syntaxonomy of some vegetation typologies of the Mediterranean coast. Fitosociologia 44: 3–10. Braun-Blanquet J. 1979. Fitosociologia. Bases para el estudio de las comunidades vegetales. Madrid: H. Blume Ediciones. pp. 1–399. Campos JA, Herrera M, Biurrun I, Loidi J. 2004. The role of alien plants in the natural coastal vegetation in central-northern Spain. Biodivers Conserv 13: 2275–2293. 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