IGSNRR OpenIR
spatiotemporaldistributionofvascularplantspeciesabundanceonqinghaitibetplateau
Fan Zemeng; Bai Ruyu; Yue Tianxiang
2019
Source Publicationjournalofgeographicalsciences
ISSN1009-637X
Volume29Issue:10Pages:1625
AbstractFor quantitatively explaining the correlations between the vascular plant species abundance (VPSA) and habitat factors, a spatial simulation method has been developed to simulate the distribution of VPSA on the Qinghai-Tibet Plateau. In this paper, the vascular plant type, land cover, mean annual biotemperature, average total annual precipitation, topographic relief, patch connectivity and ecological diversity index were selected to screen the best correlation equation between the VPSA and habitat factors on the basis of 37 national nature reserves on the Qinghai-Tibet Plateau. The research results show that the coefficient of determination between VPSA and habitat factors is 0.94, and the mean error is 2.21 types per km~2. The distribution of VPSA gradually decreases from southeast to northwest, and reduces with increasing altitude except the desert area of Qaidam Basin. Furthermore, the scenarios of VPSA on the Qinghai-Tibet Plateau during the periods from 1981 to 2010 (T0), from 2011 to 2040 (T2), from 2041 to 2070 (T3) and from 2071 to 2100 (T4) were simulated by combining the land cover change and the climatic scenarios of CMIP5 RCP2.6, RCP4.5 and RCP8.5. The simulated results show that the VPSA would generally decrease on the Qinghai-Tibet Plateau from T0 to T4. The VPSA has the largest change ratio under RCP8.5 scenario, and the smallest change ratio under RCP2.6 scenario. In general, the dynamic change of habitat factors would directly affect the spatial distribution of VPSA on the Qinghai- Tibet Plateau in the future.
Language英语
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/126024
Collection中国科学院地理科学与资源研究所
Affiliation中国科学院地理科学与资源研究所
First Author Affilication中国科学院地理科学与资源研究所
Recommended Citation
GB/T 7714
Fan Zemeng,Bai Ruyu,Yue Tianxiang. spatiotemporaldistributionofvascularplantspeciesabundanceonqinghaitibetplateau[J]. journalofgeographicalsciences,2019,29(10):1625.
APA Fan Zemeng,Bai Ruyu,&Yue Tianxiang.(2019).spatiotemporaldistributionofvascularplantspeciesabundanceonqinghaitibetplateau.journalofgeographicalsciences,29(10),1625.
MLA Fan Zemeng,et al."spatiotemporaldistributionofvascularplantspeciesabundanceonqinghaitibetplateau".journalofgeographicalsciences 29.10(2019):1625.
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