Preprints
https://doi.org/10.5194/bg-2021-313
https://doi.org/10.5194/bg-2021-313
 
10 Jan 2022
10 Jan 2022
Status: a revised version of this preprint is currently under review for the journal BG.

Effect of plateau pika presence on the ecosystem services of alpine meadows

Yingying Chen1, Huan Yang1, Gensheng Bao2, Xiaopan Pang1, and Zhenggang Guo1 Yingying Chen et al.
  • 1Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture and Rural Affairs; Engineering Research Center of Grassland Industry, Ministry of Education; College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou, 730020, P. R. China
  • 2Academy of Animal and Veterinary Sciences, Qinghai University (Qinghai Academy of Animal and Veterinary Sciences), Xining, China

Abstract. The activity of small mammalian herbivores influences grassland ecosystem services in arid and semi-arid regions. This study took plateau pika (Ochotona curzoniae) as example animal to investigate the effect of small mammalian herbivores on meadow ecosystem services in alpine regions. In this study, a home-range scale was used measure the forage availability, water conservation, carbon sequestration and soil nutrient maintenance services (total nitrogen, phosphorus, and potassium) of topsoil layer; and a quadrat scale was used to assess the biodiversity conservation service of alpine meadows. This study showed that plateau pika presence led to lower forage availability and water conservation services, and led to higher biodiversity conservation, carbon sequestration, soil nitrogen and phosphorus maintenance services of meadow ecosystem, whereas it had no impact on soil potassium maintenance service of meadow ecosystem in alpine regions. This study further found that the forage availability, biodiversity conservation, and soil nutrient maintenance services of meadow ecosystem in alpine regions firstly increased, and later decreased as the disturbance intensity of plateau pikas increased, whereas the water conservation service tended to decrease with the increasing disturbance intensity of plateau pikas. These results not only present a possible pattern of plateau pikas influencing the ecosystem services of meadow ecosystem in alpine regions, and consummate the small mammalian herbivores in relation to grassland ecosystem services.

Yingying Chen et al.

Status: final response (author comments only)

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on bg-2021-313', Xiaojun Yu, 09 Feb 2022
    • AC1: 'Reply on RC1', Zheng Gang Guo, 09 Feb 2022
  • RC2: 'Comment on bg-2021-313', Shixiong Li, 10 Feb 2022
    • AC2: 'Reply on RC2', Zheng Gang Guo, 16 Feb 2022
  • RC3: 'Comment on bg-2021-313', Xiaojun Yu, 10 Feb 2022
    • AC3: 'Reply on RC3', Zheng Gang Guo, 16 Feb 2022
  • EC1: 'Comment on bg-2021-313', Paul Stoy, 28 Feb 2022
    • AC4: 'Reply on EC1', Zheng Gang Guo, 30 May 2022

Yingying Chen et al.

Yingying Chen et al.

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Short summary
This study takes plateau pika (Ochotona curzoniae) as example animal to investigate the effect of small mammalian herbivores on meadow ecosystem services in alpine regions. It not only presents a possible pattern of plateau pikas influencing the ecosystem services of meadow ecosystem in alpine regions, and consummates the small mammalian herbivores in relation to grassland ecosystem services.
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