Combined Effects of Warming and Grazing on Rangeland Vegetation on the Qinghai-Tibet Plateau

Climate warming has increased grassland productivity on the Qinghai-Tibet Plateau, while intensified grazing has brought increasing direct negative effects. To understand the effects of climate change and make sustainable management decisions, it is crucial to identify the combined effects. Here, we...

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Autores principales:	Chen Chen, Tiejian Li, Bellie Sivakumar, Ashish Sharma, John D. Albertson, Li Zhang, Guangqian Wang
Formato:	article
Lenguaje:	EN
Publicado:	Frontiers Media S.A. 2021
Materias:	climate change grazing vegetation sustainability qinghai-tibet plateau Environmental sciences GE1-350
Acceso en línea:	https://doaj.org/article/4f83fb0b8aa34464a892fd84c0fb3129
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spelling	oai:doaj.org-article:4f83fb0b8aa34464a892fd84c0fb31292021-12-02T10:46:00ZCombined Effects of Warming and Grazing on Rangeland Vegetation on the Qinghai-Tibet Plateau2296-665X10.3389/fenvs.2021.797971https://doaj.org/article/4f83fb0b8aa34464a892fd84c0fb31292021-12-01T00:00:00Zhttps://www.frontiersin.org/articles/10.3389/fenvs.2021.797971/fullhttps://doaj.org/toc/2296-665XClimate warming has increased grassland productivity on the Qinghai-Tibet Plateau, while intensified grazing has brought increasing direct negative effects. To understand the effects of climate change and make sustainable management decisions, it is crucial to identify the combined effects. Here, we separate the grazing effects with a climate-driven probability model and elaborate scenario comparison, using the Normalized Difference Vegetation Index (NDVI) of the grassland on the Qinghai-Tibet Plateau. We show that grazing has positive effects on NDVI in the beginning and end of the growing season, and negative effects in the middle. Because of the positive effects, studies tend to underestimate and even ignore the grazing pressure under a warming climate. Moreover, the seasonality of grazing effects changes the NDVI-biomass relationship, influencing the assessment of climate change impacts. Therefore, the seasonality of grazing effects should be an important determinant in the response of grassland to warming in sustainability analysis.Chen ChenChen ChenTiejian LiTiejian LiTiejian LiBellie SivakumarBellie SivakumarAshish SharmaJohn D. AlbertsonLi ZhangGuangqian WangGuangqian WangGuangqian WangFrontiers Media S.A.articleclimate changegrazingvegetationsustainabilityqinghai-tibet plateauEnvironmental sciencesGE1-350ENFrontiers in Environmental Science, Vol 9 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	climate change grazing vegetation sustainability qinghai-tibet plateau Environmental sciences GE1-350
spellingShingle	climate change grazing vegetation sustainability qinghai-tibet plateau Environmental sciences GE1-350 Chen Chen Chen Chen Tiejian Li Tiejian Li Tiejian Li Bellie Sivakumar Bellie Sivakumar Ashish Sharma John D. Albertson Li Zhang Guangqian Wang Guangqian Wang Guangqian Wang Combined Effects of Warming and Grazing on Rangeland Vegetation on the Qinghai-Tibet Plateau
description	Climate warming has increased grassland productivity on the Qinghai-Tibet Plateau, while intensified grazing has brought increasing direct negative effects. To understand the effects of climate change and make sustainable management decisions, it is crucial to identify the combined effects. Here, we separate the grazing effects with a climate-driven probability model and elaborate scenario comparison, using the Normalized Difference Vegetation Index (NDVI) of the grassland on the Qinghai-Tibet Plateau. We show that grazing has positive effects on NDVI in the beginning and end of the growing season, and negative effects in the middle. Because of the positive effects, studies tend to underestimate and even ignore the grazing pressure under a warming climate. Moreover, the seasonality of grazing effects changes the NDVI-biomass relationship, influencing the assessment of climate change impacts. Therefore, the seasonality of grazing effects should be an important determinant in the response of grassland to warming in sustainability analysis.
format	article
author	Chen Chen Chen Chen Tiejian Li Tiejian Li Tiejian Li Bellie Sivakumar Bellie Sivakumar Ashish Sharma John D. Albertson Li Zhang Guangqian Wang Guangqian Wang Guangqian Wang
author_facet	Chen Chen Chen Chen Tiejian Li Tiejian Li Tiejian Li Bellie Sivakumar Bellie Sivakumar Ashish Sharma John D. Albertson Li Zhang Guangqian Wang Guangqian Wang Guangqian Wang
author_sort	Chen Chen
title	Combined Effects of Warming and Grazing on Rangeland Vegetation on the Qinghai-Tibet Plateau
title_short	Combined Effects of Warming and Grazing on Rangeland Vegetation on the Qinghai-Tibet Plateau
title_full	Combined Effects of Warming and Grazing on Rangeland Vegetation on the Qinghai-Tibet Plateau
title_fullStr	Combined Effects of Warming and Grazing on Rangeland Vegetation on the Qinghai-Tibet Plateau
title_full_unstemmed	Combined Effects of Warming and Grazing on Rangeland Vegetation on the Qinghai-Tibet Plateau
title_sort	combined effects of warming and grazing on rangeland vegetation on the qinghai-tibet plateau
publisher	Frontiers Media S.A.
publishDate	2021
url	https://doaj.org/article/4f83fb0b8aa34464a892fd84c0fb3129
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Combined Effects of Warming and Grazing on Rangeland Vegetation on the Qinghai-Tibet Plateau

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