|Table of Contents|

Spatial distribution characteristics of livestock population and structure of typical animal husbandry counties in northwestern Sichuan(PDF)

Chinese Journal of Applied & Environmental Biology[ISSN:1006-687X/CN:51-1482/Q]

Issue:
2019 01
Page:
63-68
Research Field:
Articles
Publishing date:

Info

Title:
Spatial distribution characteristics of livestock population and structure of typical animal husbandry counties in northwestern Sichuan
Author(s):
CHEN Xiaoxia1 SHI Fusun2 SUN Feida1** & LI Fei1
1 Department of Grassland Science, Sichuan Agricultural University, Chengdu 611130, China 2 Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China
Keywords:
northwestern Sichuan animal husbandry structure spatial distribution grazing intensity
CLC:
S811.5
PACS:
DOI:
10.19675/j.cnki.1006-687x.2018.03025
DocumentCode:

Abstract:
Livestock?population, grazing?intensity,?and?population?structure?have?a?direct?impact?on?grassland?status. It?is?an important?scientific proposition to coordinate the?relationship between livestock?economic development?and grassland protection. Firstly, the spatial distribution patterns of livestock were established using the method of spatialization of attribute data, which were based on the livestock population, grazing intensity, and proportion of female livestock of five typical animal husbandry counties of Aba Tibetan-Qiang Autonomous Prefecture in northwestern Sichuan in 2016, and then the spatial distribution characteristics of yak and sheep were analyzed. The results showed that the livestock population of Ruoergai and Hongyuan counties enjoyed the highest proportion among the typical animal husbandry counties of northwestern Sichuan with a decreasing tendency from north to south, and the total number of yaks and sheep in Western Ruoergai county was above However, the number of yaks and sheep in Yantang and Songpan counties was relatively small, being less than 30 166. The correlation?between livestock population and grazing intensity was not obvious in space. The grazing intensity was higher mainly in Ruoergai and Aba counties, and the Waerma Town of Aba County had the largest grazing intensity,?with a value of 8.55 sheep/hm2 (0.57 sheep/area), followed by Rangtang and Hongyuan counties, whereas Songpan County had the lowest grazing intensity. In terms of the livestock breed structure, the sheep of the northern parts of Ruoergai County accounted for the highest proportion in five typical animal husbandry counties, while Yak was mainly distributed in most parts of Hongyuan County, the northeast parts of Aba County, and the southern parts of Ruoergai County. With regard to the livestock population restructuring, the counties with the highest average ratio of female yak and sheep were Hongyuan and Rangtang with an average value above 62.5%. The analysis results of the livestock spatial distribution patterns clarified the spatial distribution characteristic of grazing livestock, animal husbandry structure, and carrying-stock capacity of typical animal husbandry counties in northwestern Sichuan, as well as provide references for the realization of feed-animal balance and development of animal husbandry.

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Last Update: 2019-02-25