Biogeosciences
Biogeosciences
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Articles | Volume 13, issue 22
Articles | Volume 13, issue 22
https://doi.org/10.5194/bg-13-6273-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/bg-13-6273-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 13, issue 22
Research article
 | 
23 Nov 2016
Research article |  | 23 Nov 2016

The burying and grazing effects of plateau pika on alpine grassland are small: a pilot study in a semiarid basin on the Qinghai-Tibet Plateau

Shuhua Yi, Jianjun Chen, Yu Qin, and Gaowei Xu

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Cao, G., Long, R., Zhang, F., Lin, L., Li, Y., and Liang, D:.. Mechanism of denuded pits developing in degraded alpine Kobresia humilis meadow in the Three Rivers Source Region, Grassland Turf, 30, 16–21, 2010 (in Chinese with English abstract).
Chang, Y., Ding, Y., Zhao, Q., and Zhang, S.: Remote estimation of terrestrial evapotranspiration by Landsat 5 TM and the SEBAL model in cold and high-altitude regions: A case study of the upper reach of the Shule River Basin, China, Hydrol. Process., https://doi.org/10.1002/hyp.10854, 2016.
Chen, J., Yi, S., Qin, Y., and Wang, X.: Improving estimates of fractional vegetation cover based on UAV in alpine grassland on the Qinghai-Tibetan Plateau, Int. J. Remote Sens., 37, 1922–1936, https://doi.org/10.1080/01431161.2016.1165884, 2016.
Colomina, I. and Molina, P.: Unmanned aerial systems for photogrammetry and remote sensing: A review, ISPRS J. Photogramm. Remote Sens., 4, 1671–1692, 2014.
Gao, T., Xu, B., Yang, X., Jin, Y., Ma, H., Li, J., and Yu, H.: Using MODIS time series data to estimate aboveground biomass and its spatio-temporal variation in Inner Mongolia's grassland between 2001 and 2011, Int. J. Remote Sens., 34, 7796–7810, 2013.
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Plateau pika is common on the Qinghai-Tibet Plateau (QTP). Since pika dig burrows and graze on grassland to compete with yaks and sheep, they are believed to be a pest. They have been killed by humans since the 1950s. However, there are no serious studies that quantitatively evaluate the grazing and excavating effects of pika on grassland. With the advancement of UAV technology, we did a pilot study to evaluate the grazing and burying effects of pika.
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