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Animal Activities of the Key Herbivore Plateau Pika (Ochotona curzoniae) on the Qinghai-Tibetan Plateau Affect Grassland Microbial Networks and Ecosystem Functions

Plateau pikas (Ochotona curzoniae) are high-altitude model animals and famous “ecosystem engineers” on the Qinghai-Tibet Plateau. Pika activities may accelerate the degradation of alpine meadows. Nevertheless, little is known about the responses of bacterial, fungal, and archaeal communities, and ec...

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Autores principales: Yang, Jiawei, Wang, Sijie, Su, Wanghong, Yu, Qiaoling, Wang, Xiaochen, Han, Qian, Zheng, Yuting, Qu, Jiapeng, Li, Xiangzhen, Li, Huan
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Frontiers Media S.A. 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9298508/
https://www.ncbi.nlm.nih.gov/pubmed/35875528
http://dx.doi.org/10.3389/fmicb.2022.950811
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author Yang, Jiawei
Wang, Sijie
Su, Wanghong
Yu, Qiaoling
Wang, Xiaochen
Han, Qian
Zheng, Yuting
Qu, Jiapeng
Li, Xiangzhen
Li, Huan
author_facet Yang, Jiawei
Wang, Sijie
Su, Wanghong
Yu, Qiaoling
Wang, Xiaochen
Han, Qian
Zheng, Yuting
Qu, Jiapeng
Li, Xiangzhen
Li, Huan
author_sort Yang, Jiawei
collection PubMed
description Plateau pikas (Ochotona curzoniae) are high-altitude model animals and famous “ecosystem engineers” on the Qinghai-Tibet Plateau. Pika activities may accelerate the degradation of alpine meadows. Nevertheless, little is known about the responses of bacterial, fungal, and archaeal communities, and ecosystem multifunctionality to pika perturbations. To address this question, we studied the impacts of only pika disturbance and combined disturbance (pika disturbance and grazing) on ecological networks of soil microbial communities and ecosystem multifunctionality. Our results demonstrated that Proteobacteria, Ascomycota, and Crenarchaeota were dominant in bacteria, fungi, and archaea, respectively. Bacteria, fungi, and archaea were all influenced by the combined disturbance of grazing and pika. Most fungal communities became convergent, while bacterial and archaeal communities became differentiated during the succession of surface types. In particular, the bacterial and fungal networks were less stable than archaeal networks. In response to the interference, cross-domain cooperation between bacterial and fungal communities increased, while competitive interactions between bacterial and archaeal communities increased. Pika disturbance at high intensity significantly reduced the ecosystem multifunctionality. However, the mixed effects of grazing and pika weakened such influences. This study revealed how pika activities affected microbial networks and ecosystem multifunctionality. These results provide insights to designing reasonable ecological management strategies for alpine grassland ecosystems.
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spelling pubmed-92985082022-07-21 Animal Activities of the Key Herbivore Plateau Pika (Ochotona curzoniae) on the Qinghai-Tibetan Plateau Affect Grassland Microbial Networks and Ecosystem Functions Yang, Jiawei Wang, Sijie Su, Wanghong Yu, Qiaoling Wang, Xiaochen Han, Qian Zheng, Yuting Qu, Jiapeng Li, Xiangzhen Li, Huan Front Microbiol Microbiology Plateau pikas (Ochotona curzoniae) are high-altitude model animals and famous “ecosystem engineers” on the Qinghai-Tibet Plateau. Pika activities may accelerate the degradation of alpine meadows. Nevertheless, little is known about the responses of bacterial, fungal, and archaeal communities, and ecosystem multifunctionality to pika perturbations. To address this question, we studied the impacts of only pika disturbance and combined disturbance (pika disturbance and grazing) on ecological networks of soil microbial communities and ecosystem multifunctionality. Our results demonstrated that Proteobacteria, Ascomycota, and Crenarchaeota were dominant in bacteria, fungi, and archaea, respectively. Bacteria, fungi, and archaea were all influenced by the combined disturbance of grazing and pika. Most fungal communities became convergent, while bacterial and archaeal communities became differentiated during the succession of surface types. In particular, the bacterial and fungal networks were less stable than archaeal networks. In response to the interference, cross-domain cooperation between bacterial and fungal communities increased, while competitive interactions between bacterial and archaeal communities increased. Pika disturbance at high intensity significantly reduced the ecosystem multifunctionality. However, the mixed effects of grazing and pika weakened such influences. This study revealed how pika activities affected microbial networks and ecosystem multifunctionality. These results provide insights to designing reasonable ecological management strategies for alpine grassland ecosystems. Frontiers Media S.A. 2022-07-06 /pmc/articles/PMC9298508/ /pubmed/35875528 http://dx.doi.org/10.3389/fmicb.2022.950811 Text en Copyright © 2022 Yang, Wang, Su, Yu, Wang, Han, Zheng, Qu, Li and Li. https://creativecommons.org/licenses/by/4.0/This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
spellingShingle Microbiology
Yang, Jiawei
Wang, Sijie
Su, Wanghong
Yu, Qiaoling
Wang, Xiaochen
Han, Qian
Zheng, Yuting
Qu, Jiapeng
Li, Xiangzhen
Li, Huan
Animal Activities of the Key Herbivore Plateau Pika (Ochotona curzoniae) on the Qinghai-Tibetan Plateau Affect Grassland Microbial Networks and Ecosystem Functions
title Animal Activities of the Key Herbivore Plateau Pika (Ochotona curzoniae) on the Qinghai-Tibetan Plateau Affect Grassland Microbial Networks and Ecosystem Functions
title_full Animal Activities of the Key Herbivore Plateau Pika (Ochotona curzoniae) on the Qinghai-Tibetan Plateau Affect Grassland Microbial Networks and Ecosystem Functions
title_fullStr Animal Activities of the Key Herbivore Plateau Pika (Ochotona curzoniae) on the Qinghai-Tibetan Plateau Affect Grassland Microbial Networks and Ecosystem Functions
title_full_unstemmed Animal Activities of the Key Herbivore Plateau Pika (Ochotona curzoniae) on the Qinghai-Tibetan Plateau Affect Grassland Microbial Networks and Ecosystem Functions
title_short Animal Activities of the Key Herbivore Plateau Pika (Ochotona curzoniae) on the Qinghai-Tibetan Plateau Affect Grassland Microbial Networks and Ecosystem Functions
title_sort animal activities of the key herbivore plateau pika (ochotona curzoniae) on the qinghai-tibetan plateau affect grassland microbial networks and ecosystem functions
topic Microbiology
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9298508/
https://www.ncbi.nlm.nih.gov/pubmed/35875528
http://dx.doi.org/10.3389/fmicb.2022.950811
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