Relationship between extreme climate indices and spatiotemporal changes of vegetation on Yunnan Plateau from 1982 to 2019

Relationship between extreme climate indices and spatiotemporal changes of vegetation on Yunnan Plateau from 1982 to 2019

Extreme weather events have led to significant changes in vegetation over the past few decades. Extreme climate indices and net primary productivity (NPP) of vegetation on Yunnan from 1982 to 2019 were calculated based on Rclimdex 1.0 software and the Carnegie-Ames-Stanford approach (CASA) model, re...

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Veröffentlicht in:Global ecology and conservation 2021-11, Vol.31, p.e01813, Article e01813
Hauptverfasser: Yan, Wenbo, He, Yunling, Cai, Ya, Qu, Xinxing, Cui, Xilin
Format: Artikel
Sprache:eng
Schlagworte:
CASA model
Contribution rate
Geographic detector
NPP
Rclimdex
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Zusammenfassung:Extreme weather events have led to significant changes in vegetation over the past few decades. Extreme climate indices and net primary productivity (NPP) of vegetation on Yunnan from 1982 to 2019 were calculated based on Rclimdex 1.0 software and the Carnegie-Ames-Stanford approach (CASA) model, respectively. The relationship between them was studied on annual and monthly scales. The interaction detector was used to calculate the contribution rate of extreme climate factors and synergistic effect on NPP. The results showed that：(1) Annual NPP showed a significant increasing trend in southeast Yunnan, while it showed a decreasing trend in central and northwest Yunnan. (2) Extreme temperature indices (TXx, TXn, TNx, TNn) showed significant increasing trends (P 
ISSN:2351-9894
2351-9894
DOI:10.1016/j.gecco.2021.e01813