TY - JOUR
T1 - Aspect Matters
T2 - Unraveling Microclimate Impacts on Mountain Greenness and Greening
AU - Yin, Gaofei
AU - Xie, Jiangliu
AU - Ma, Dujuan
AU - Xie, Qiaoyun
AU - Verger, Aleixandre
AU - Descals, Adrià
AU - Filella, Iolanda
AU - Peñuelas, Josep
N1 - Funding Information:
This research was financially supported by the National Natural Science Foundation of China (Grants 42271323 and 41971282), the Sichuan Science and Technology Program (Grant 2021JDJQ0007), the European Union's Horizon 2020 Research and Innovation Programme (Grant 835541), the Spanish Ministry of Science (Grant TED2021-132627B-I00 funded by MCIN, AEI/10.13039/501100011033 and European Union NextGenerationEU/PRTR), the Catalan government (Grant SGR2021-1333) and the Fundación Ramón Areces (Grant CIVP20A6621). This work represents a contribution to the CSIC Interdisciplinary Thematic Platform TELEDETECT.
Funding Information:
This research was financially supported by the National Natural Science Foundation of China (Grants 42271323 and 41971282), the Sichuan Science and Technology Program (Grant 2021JDJQ0007), the European Union's Horizon 2020 Research and Innovation Programme (Grant 835541), the Spanish Ministry of Science (Grant TED2021‐132627B‐I00 funded by MCIN, AEI/10.13039/501100011033 and European Union NextGenerationEU/PRTR), the Catalan government (Grant SGR2021‐1333) and the Fundación Ramón Areces (Grant CIVP20A6621). This work represents a contribution to the CSIC Interdisciplinary Thematic Platform TELEDETECT.
Publisher Copyright:
© 2023 The Authors.
PY - 2023/12/28
Y1 - 2023/12/28
N2 - Mountains are vital ecosystems, yet predicting plant growth there is complex due to diverse microclimates on slopes. Equatorial-facing slopes (EFSs) are drier and warmer, and polar-facing slopes (PFSs) are wetter and colder, than their regional macroclimates. Analyzing Moderate Resolution Imaging Spectroradiometer normalized difference vegetation index from 2003 to 2021, we identified a clear geographic pattern of differences in greenness on the two opposite aspects: EFSs were greener than PFSs in cold areas and were browner in dry areas, mainly determined by the relative importance of limitations of temperature and water. PFSs had stronger greening trends than did EPSs, leading to a weakening difference in greenness between EPSs and PFSs in temperature-limited areas, and an intensifying difference in water-limited areas. This suggests the alleviation of temperature limitation and exacerbation of water limitation. Montane ecosystems constitute a “natural laboratory” for deepening our understanding of the temporal evolution of the climatic control of vegetation growth with a space-for-time substitution.
AB - Mountains are vital ecosystems, yet predicting plant growth there is complex due to diverse microclimates on slopes. Equatorial-facing slopes (EFSs) are drier and warmer, and polar-facing slopes (PFSs) are wetter and colder, than their regional macroclimates. Analyzing Moderate Resolution Imaging Spectroradiometer normalized difference vegetation index from 2003 to 2021, we identified a clear geographic pattern of differences in greenness on the two opposite aspects: EFSs were greener than PFSs in cold areas and were browner in dry areas, mainly determined by the relative importance of limitations of temperature and water. PFSs had stronger greening trends than did EPSs, leading to a weakening difference in greenness between EPSs and PFSs in temperature-limited areas, and an intensifying difference in water-limited areas. This suggests the alleviation of temperature limitation and exacerbation of water limitation. Montane ecosystems constitute a “natural laboratory” for deepening our understanding of the temporal evolution of the climatic control of vegetation growth with a space-for-time substitution.
UR - http://www.scopus.com/inward/record.url?scp=85180237096&partnerID=8YFLogxK
U2 - 10.1029/2023GL105879
DO - 10.1029/2023GL105879
M3 - Article
AN - SCOPUS:85180237096
SN - 0094-8276
VL - 50
JO - Geophysical Research Letters
JF - Geophysical Research Letters
IS - 24
M1 - e2023GL105879
ER -