Effect of meteorological factors on the population of plateau zokor

doi:10.11686/cyxb2019474

Abstract

Abstract: The plateau zokor (Myospalax baileyi) is one of the main rodent species in the Qinghai-Tibet Plateau. Understanding the impact of meteorological factors on the growth and decline of the plateau zokor population is of high relevance to managing the maintenance of biodiversity. The population density of the plateau zokor was studied from 2013 to 2016. Pearson correlation analysis and canonical correspondence analysis (CCA) were used to study the population density of the plateau zokor and the correlation between the grassland biomass and seven meteorological factors in the disturbance zone. It was found that the population density and grassland biomass of the plateau zokor showed a downward trend over the study period, and the density of plateau zokor was significantly positively correlated with the biomass of dicotyledons (P<0.05). The temperature and precipitation strongly influenced the population and biomass of the plateau zokor. The annual mean temperature and the annual mean minimum temperature were significantly correlated with the population density of the plateau zokor (P<0.05). In addition, the population density of the plateau zokor and sunshine hours are closely related. Meteorological factors have an indirect effect on the food supply of plateau zokor.

Key words: plateau zokor, biomass, climate change, canonical correspondence analysis

GUO Qiang, WANG Yu-qin, BAO Gen-sheng, WANG Hong-sheng. Effect of meteorological factors on the population of plateau zokor[J]. Acta Prataculturae Sinica, 2020, 29(8): 188-194.

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