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[1]陈晓霞,石福孙,孙飞达,等.川西北典型牧业县放牧家畜数量及结构的空间分布特征[J].应用与环境生物学报,2019,25(01):63-68.[doi:10.19675/j.cnki.1006-687x.2018.03025]
 CHEN Xiaoxia,SHI Fusun,SUN Feida** & LI Fei.Spatial distribution characteristics of livestock population and structure of typical animal husbandry counties in northwestern Sichuan[J].Chinese Journal of Applied & Environmental Biology,2019,25(01):63-68.[doi:10.19675/j.cnki.1006-687x.2018.03025]
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川西北典型牧业县放牧家畜数量及结构的空间分布特征()
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《应用与环境生物学报》[ISSN:1006-687X/CN:51-1482/Q]

卷:
25卷
期数:
2019年01期
页码:
63-68
栏目:
研究论文
出版日期:
2019-02-25

文章信息/Info

Title:
Spatial distribution characteristics of livestock population and structure of typical animal husbandry counties in northwestern Sichuan
作者:
陈晓霞 石福孙 孙飞达 李飞
1四川农业大学草业科学系 成都 611130 2中国科学院成都生物研究所 成都 610041?
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
关键词:
川西北畜牧结构空间分布放牧强度
Keywords:
northwestern Sichuan animal husbandry structure spatial distribution grazing intensity
分类号:
S811.5
DOI:
10.19675/j.cnki.1006-687x.2018.03025
摘要:
家畜数量、放牧强度和畜群结构直接影响草地状况,为了解并促进协调好畜牧经济发展和草地生态保护之间的关系,以2016年川西北阿坝藏族羌族自治州5个典型牧业县主要放牧家畜的存栏数、放牧强度和基础母畜百分比为基础,利用属性数据空间化技术,构建家畜空间分布格局图,分析川西北牧区主要放牧家畜牦牛及绵羊的空间分布特征. 结果表明,2016年川西北典型牧业县的放牧家畜主要分布于若尔盖县与红原县,并且具有从北向南逐渐递减的趋势,其中若尔盖县西部牦牛和绵羊的总存栏数最多在113 870以上,壤塘县和松潘县相对较少,大部分区域存栏数在30 166以下. 放牧家畜放牧强度与存栏数在空间上关联性不明显,放牧强度较高的地区主要在若尔盖县和阿坝县,其中阿坝县的哇尔玛乡放牧强度最大,值为8.55羊单位/hm2(0.57羊单位/亩),其次为壤塘县和红原县,松潘县放牧强度最低. 就畜种结构而言,绵羊主要分布在若尔盖县北部,而牦牛主要分布在红原县大部、阿坝县东北部及若尔盖县南部;畜群结构中基础母畜比例最高的县主要是红原和壤塘,平均为62.5%以上. 本研究明晰了川西北典型牧业县放牧家畜的空间分布特征、畜牧结构和载畜情况,可为实现川西北草地草畜平衡及促进畜牧经济发展提供借鉴依据. (图9 参24)
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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更新日期/Last Update: 2019-02-25