Distribution Patterns of Gymnosperm Species along Elevations on the Qinghai–Tibet Plateau: Effects of Climatic Seasonality, Energy–Water, and Physical Tolerance Variables
Abstract
:1. Introduction
2. Results
2.1. Regional Differences in the Distribution and Richness Patterns of Gymnosperms
2.2. Changes in Environmental Variables along the Elevational Gradients
2.3. Gymnosperm–Climate Relationships along the Altitudinal Gradients
3. Discussion
3.1. Distribution Patterns of Gymnosperms on QTP
3.2. Effect of Environmental Variables on the Richness Patterns of Gymnosperm Species on the QTP
3.3. Gymnosperms’ Conservational Aspects along Altitudinal Gradients
4. Materials and Methods
4.1. Description of Study Area
4.2. Species Abundance and Distribution
4.3. Climatic Variables
4.4. Statistical Analysis and Correlation
5. Conclusions
Supplementary Materials
Author Contributions
Funding
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Family | Species | IUCN Status | Mean Elevation (m) | Haibei TAP | Huangnan TAP | Hainan TAP | Guoluo TAP | Yushu TAP | Haixi Mongolian TAP | Xining City | Haidong City | Nyingchi City | Qamdo City | Shigatse City | Lhoka City | Lhasa City | Nagqu City | Ngari City | * Global Distribution Range |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Cupressaceae | Cupressus gigantea | VU | 3200 | √ | ±± | ||||||||||||||
Cupressus torulosa | LC | 2250 | √ | ±±± | |||||||||||||||
Juniperus formosana | LC | 2600 | √ | √ | √ | √ | √ | ±±± | |||||||||||
Juniperus recurva | LC | 2950 | √ | √ | √ | √ | ±±± | ||||||||||||
Juniperus rigida | LC | 2000 | √ | ±±± | |||||||||||||||
Juniperus communis var. saxatilis | NT | 3850 | √ | ±±±±± | |||||||||||||||
Platycladus orientalis | NT | 2000 | √ | √ | √ | √ | ±±± | ||||||||||||
Juniperus chinensis | LC | 1850 | √ | √ | √ | √ | √ | √ | √ | ±±±± | |||||||||
Juniperus convallium | LC | 3650 | √ | √ | √ | √ | ±± | ||||||||||||
Juniperus komarovii | LC | 3750 | √ | ±± | |||||||||||||||
Juniperus microsperma | DD | 3725 | √ | √ | ±± | ||||||||||||||
Juniperus pingii var. wilsonii | NT | 4350 | √ | √ | √ | √ | √ | √ | ±± | ||||||||||
Juniperus przewalskii | LC | 3275 | √ | √ | √ | √ | √ | √ | ±± | ||||||||||
Juniperus saltuaria | LC | 3700 | √ | √ | √ | ±± | |||||||||||||
Juniperus squamata | NT | 3170 | √ | √ | √ | √ | √ | ±±±± | |||||||||||
Juniperus tibetica | VU | 3850 | √ | √ | √ | √ | √ | √ | √ | √ | √ | ±± | |||||||
Juniperus sabina | LC | 3200 | √ | √ | √ | √ | √ | ±±±±± | |||||||||||
Juniperus indica | LC | 4200 | √ | √ | ±±±± | ||||||||||||||
Ephedraceae | Ephedra equisetina | NE | 2400 | √ | √ | √ | √ | ±±±± | |||||||||||
Ephedra gerardiana | VU | 4350 | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | ±±±± | ||||||
Ephedra intermedia | LC | 2975 | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | ±±±± | ||||||
Ephedra likiangensis | LC | 3200 | √ | ±± | |||||||||||||||
Ephedra saxatilis | LC | 3900 | √ | √ | √ | √ | ±±± | ||||||||||||
Ephedra minuta | LC | 3500 | √ | √ | √ | √ | √ | √ | √ | ±±± | |||||||||
Ephedra monosperma | LC | 4000 | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | ±±±± | ||||||
Ephedra przewalskii | LC | 3000 | √ | √ | ±±±± | ||||||||||||||
Ephedra sinica | LC | 2850 | √ | √ | √ | √ | ±±±± | ||||||||||||
Ginkgoaceae | Ginkgo biloba | EN | 1975 | √ | √ | ±± | |||||||||||||
Gnetaceae | Gnetum pendulum | LC | 800 | √ | ±± | ||||||||||||||
Pinaceae | Abies chayuensis | LC | 1940 | √ | ±± | ||||||||||||||
Abies delavayi var. delavayi | LC | 1600 | √ | ±±± | |||||||||||||||
Abies delavayi var. motuoensis | LC | 3150 | √ | ± | |||||||||||||||
Abies densa | LC | 3230 | √ | ±±± | |||||||||||||||
Abies ernestii | VU | 3300 | √ | √ | ±± | ||||||||||||||
Abies ernestii var. salouenensis | LC | 2900 | √ | ±± | |||||||||||||||
Abies fargesii | LC | 2850 | √ | ±± | |||||||||||||||
Abies fargesii var. faxoniana | LC | 3400 | √ | √ | ±± | ||||||||||||||
Abies forrestii | LC | 3800 | √ | ±± | |||||||||||||||
Abies georgei | LC | 3875 | √ | ±± | |||||||||||||||
Abies georgei var. smithii | LC | 3450 | √ | ±± | |||||||||||||||
Abies spectabilis | NT | 3300 | √ | ±±± | |||||||||||||||
Abies squamata | VU | 3600 | √ | √ | √ | ±± | |||||||||||||
Larix gmelinii | LC | 2500 | √ | √ | √ | √ | ±±±± | ||||||||||||
Larix griffithii | LC | 3400 | √ | √ | √ | √ | ±±± | ||||||||||||
Larix himalaica | NT | 3200 | √ | ±±± | |||||||||||||||
Larix kaempferi | LC | 1350 | √ | √ | ±±± | ||||||||||||||
Larix olgensis | NT | 1350 | √ | ±±± | |||||||||||||||
Larix potaninii | LC | 3750 | √ | √ | √ | √ | ±±± | ||||||||||||
Larix potaninii var. australis | LC | 3950 | √ | √ | ±± | ||||||||||||||
Larix gmelinii var. principis-rupprechtii | LC | 2500 | √ | √ | √ | √ | ±± | ||||||||||||
Larix speciosa | NT | 3500 | √ | ±± | |||||||||||||||
Picea brachytyla | VU | 3250 | √ | √ | √ | √ | √ | ±± | |||||||||||
Picea brachytyla var. complanata | VU | 3250 | √ | √ | √ | ±± | |||||||||||||
Picea crassifolia | LC | 3100 | √ | √ | √ | √ | √ | √ | √ | ±± | |||||||||
Picea likiangensis var. rubescens | VU | 4050 | √ | √ | √ | √ | √ | ±± | |||||||||||
Picea likiangensis var. hirtella | EN | 1900 | √ | ±± | |||||||||||||||
Picea likiangensis var. linzhiensis | VU | 3400 | √ | √ | ±± | ||||||||||||||
Picea purpurea | NT | 3340 | √ | √ | √ | √ | √ | ±± | |||||||||||
Picea asperata | VU | 3450 | √ | ±± | |||||||||||||||
Picea schrenkiana | LC | 2350 | √ | √ | ±±± | ||||||||||||||
Picea smithiana | LC | 2750 | √ | ±±± | |||||||||||||||
Picea spinulosa | LC | 3250 | √ | ±± | |||||||||||||||
Picea wilsonii | LC | 2700 | √ | √ | ±± | ||||||||||||||
Pinus armandii | LC | 2600 | √ | √ | √ | ±±± | |||||||||||||
Pinus bhutanica | LC | 1700 | √ | ±± | |||||||||||||||
Pinus densata | LC | 2850 | √ | √ | √ | ±± | |||||||||||||
Pinus gerardiana | NT | 1350 | √ | ±±± | |||||||||||||||
Pinus wallichiana | NT | 2250 | √ | √ | √ | ±±± | |||||||||||||
Pinus roxburghii | LC | 2200 | √ | ±±± | |||||||||||||||
Pinus sylvestris var. mongolica | VU | 1400 | √ | √ | ±±± | ||||||||||||||
Pinus tabuliformis | LC | 2400 | √ | √ | √ | √ | √ | ±±± | |||||||||||
Pinus yunnanensis | LC | 2000 | √ | ±± | |||||||||||||||
Pseudotsuga forrestii | VU | 3000 | √ | ±±± | |||||||||||||||
Tsuga dumosa | LC | 2600 | √ | √ | √ | ±±± | |||||||||||||
Podocarpaceae | Podocarpus neriifolius | LC | 1075 | √ | ±±±± | ||||||||||||||
Taxaceae | Cephalotaxus mannii | VU | 1150 | √ | √ | ±±±± | |||||||||||||
Amentotaxus argotaenia | NT | 800 | √ | ±±± | |||||||||||||||
Amentotaxus assamica | EN | 850 | √ | ±± | |||||||||||||||
Taxus wallichiana | EN | 2700 | √ | √ | ±±±± |
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Umair, M.; Hu, X.; Cheng, Q.; Ali, S.; Ni, J. Distribution Patterns of Gymnosperm Species along Elevations on the Qinghai–Tibet Plateau: Effects of Climatic Seasonality, Energy–Water, and Physical Tolerance Variables. Plants 2023, 12, 4066. https://doi.org/10.3390/plants12234066
Umair M, Hu X, Cheng Q, Ali S, Ni J. Distribution Patterns of Gymnosperm Species along Elevations on the Qinghai–Tibet Plateau: Effects of Climatic Seasonality, Energy–Water, and Physical Tolerance Variables. Plants. 2023; 12(23):4066. https://doi.org/10.3390/plants12234066
Chicago/Turabian StyleUmair, Muhammad, Xiaofei Hu, Qi Cheng, Shahzad Ali, and Jian Ni. 2023. "Distribution Patterns of Gymnosperm Species along Elevations on the Qinghai–Tibet Plateau: Effects of Climatic Seasonality, Energy–Water, and Physical Tolerance Variables" Plants 12, no. 23: 4066. https://doi.org/10.3390/plants12234066