Excessive plant compensatory growth: a potential endogenous driver of meadow degradation on the Qinghai-Tibetan Plateau

Degradation of meadow ecosystems in the largest alpine region of the world, i.e., the Qinghai-Tibetan Plateau (QTP), is a crucial ecological issue that has ardently discussed in recent years. Many factors, such as livestock overgrazing, climate change and overpopulation of small mammals are treated...

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Autores principales:	Yong Zhang, Hasbagan Ganjurjav, Shikui Dong, Qingzhu Gao
Formato:	article
Lenguaje:	EN
Publicado:	Taylor & Francis Group 2020
Materias:	compensatory growth overgrazing alpine meadow degradation qinghai-tibetan plateau Ecology QH540-549.5
Acceso en línea:	https://doaj.org/article/f0452f8746a14890b73e21267657f6a0
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spelling	oai:doaj.org-article:f0452f8746a14890b73e21267657f6a02021-12-02T16:16:38ZExcessive plant compensatory growth: a potential endogenous driver of meadow degradation on the Qinghai-Tibetan Plateau2332-887810.1080/20964129.2020.1816500https://doaj.org/article/f0452f8746a14890b73e21267657f6a02020-12-01T00:00:00Zhttp://dx.doi.org/10.1080/20964129.2020.1816500https://doaj.org/toc/2332-8878Degradation of meadow ecosystems in the largest alpine region of the world, i.e., the Qinghai-Tibetan Plateau (QTP), is a crucial ecological issue that has ardently discussed in recent years. Many factors, such as livestock overgrazing, climate change and overpopulation of small mammals are treated as important factors that cause the degradation of meadow ecosystems in the QTP. However, there are few hypotheses focus on the potential role of plant compensatory growth on meadow degradation. We proposed a compensatory growth-related hypothesis to understand the potential degradation process of meadow ecosystems in the QTP. We discussed that there are two stages of meadow degradation, i.e. the beginning stage of meadow degradation that is triggered by high-strength overcompensation; and the intensification stage of meadow degradation, which are driven by external factors such as climate warming, small mammals and thawing of permafrost.The mechanism of meadow degradation driven by plant compensatory growth is the asynchronism of plant consumption and the availability of soil nutrients. Our hypothesis that plant compensatory growth drives meadow degradation under the overgrazing condition requires re-examination and modification by testing the balance between soil nutrient cycling rates and the strength of plant compensatory growth in alpine regions.Yong ZhangHasbagan GanjurjavShikui DongQingzhu GaoTaylor & Francis Grouparticlecompensatory growthovergrazingalpine meadowdegradationqinghai-tibetan plateauEcologyQH540-549.5ENEcosystem Health and Sustainability, Vol 6, Iss 1 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	compensatory growth overgrazing alpine meadow degradation qinghai-tibetan plateau Ecology QH540-549.5
spellingShingle	compensatory growth overgrazing alpine meadow degradation qinghai-tibetan plateau Ecology QH540-549.5 Yong Zhang Hasbagan Ganjurjav Shikui Dong Qingzhu Gao Excessive plant compensatory growth: a potential endogenous driver of meadow degradation on the Qinghai-Tibetan Plateau
description	Degradation of meadow ecosystems in the largest alpine region of the world, i.e., the Qinghai-Tibetan Plateau (QTP), is a crucial ecological issue that has ardently discussed in recent years. Many factors, such as livestock overgrazing, climate change and overpopulation of small mammals are treated as important factors that cause the degradation of meadow ecosystems in the QTP. However, there are few hypotheses focus on the potential role of plant compensatory growth on meadow degradation. We proposed a compensatory growth-related hypothesis to understand the potential degradation process of meadow ecosystems in the QTP. We discussed that there are two stages of meadow degradation, i.e. the beginning stage of meadow degradation that is triggered by high-strength overcompensation; and the intensification stage of meadow degradation, which are driven by external factors such as climate warming, small mammals and thawing of permafrost.The mechanism of meadow degradation driven by plant compensatory growth is the asynchronism of plant consumption and the availability of soil nutrients. Our hypothesis that plant compensatory growth drives meadow degradation under the overgrazing condition requires re-examination and modification by testing the balance between soil nutrient cycling rates and the strength of plant compensatory growth in alpine regions.
format	article
author	Yong Zhang Hasbagan Ganjurjav Shikui Dong Qingzhu Gao
author_facet	Yong Zhang Hasbagan Ganjurjav Shikui Dong Qingzhu Gao
author_sort	Yong Zhang
title	Excessive plant compensatory growth: a potential endogenous driver of meadow degradation on the Qinghai-Tibetan Plateau
title_short	Excessive plant compensatory growth: a potential endogenous driver of meadow degradation on the Qinghai-Tibetan Plateau
title_full	Excessive plant compensatory growth: a potential endogenous driver of meadow degradation on the Qinghai-Tibetan Plateau
title_fullStr	Excessive plant compensatory growth: a potential endogenous driver of meadow degradation on the Qinghai-Tibetan Plateau
title_full_unstemmed	Excessive plant compensatory growth: a potential endogenous driver of meadow degradation on the Qinghai-Tibetan Plateau
title_sort	excessive plant compensatory growth: a potential endogenous driver of meadow degradation on the qinghai-tibetan plateau
publisher	Taylor & Francis Group
publishDate	2020
url	https://doaj.org/article/f0452f8746a14890b73e21267657f6a0
work_keys_str_mv	AT yongzhang excessiveplantcompensatorygrowthapotentialendogenousdriverofmeadowdegradationontheqinghaitibetanplateau AT hasbaganganjurjav excessiveplantcompensatorygrowthapotentialendogenousdriverofmeadowdegradationontheqinghaitibetanplateau AT shikuidong excessiveplantcompensatorygrowthapotentialendogenousdriverofmeadowdegradationontheqinghaitibetanplateau AT qingzhugao excessiveplantcompensatorygrowthapotentialendogenousdriverofmeadowdegradationontheqinghaitibetanplateau
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Excessive plant compensatory growth: a potential endogenous driver of meadow degradation on the Qinghai-Tibetan Plateau

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