西南岩溶山区的农牧业生产力3.pdf

21 卷第 5 期资源科学 Vol. 21 ,No. 5
1999 年 9 月 RESOURCES SCIENCE Sep. ,1999
西南岩溶山区的农牧业生产力 3
陈全功
(甘肃省草原生态研究所,兰州 730020)
摘要:在简述了西南岩溶山区生态环境的现状、治理进展以及开发利用的建议后;详述了西南岩溶
山区草地畜牧业的发展形势、存在的问题,明确指出,低成本建制人工草地,保持人工草地群落的稳定性,
提高前植物生产、植物生产、动物生产和外生物生产等主要生产阶段的转化效率,依然是南方草地畜牧业
可持续发展中有待解决的重大科学问题。
关键词:岩溶山区;草地畜牧业;农业生产力;可持续发展
中图分类号:S81115 (67) (73) (74) (71) 文献标识码:A 文章编号:1007 - 7588(1999) 05 -
CROP AND L IVESTOCK PROD UCTIVITY IN THE KARSE
MOUNTAIN AREAS OF SOUTHWEST CHINA
CHEN G Quan2gong
( Gansu Grassland Ecological Research Institute , L anzhou 730020 , China)
Abstract :The present eco2environmental conditions ,progress in management and suggestions on ex2
ploitation and utilization of karst mountain areas of Southwest China are briefly discussed. The develop2
ment tendency of grassland livestock farming ,existing problems as well as scientific research achieve2
ments of State scientific and technological targeted projects are presented in detail. The study points out
that key problems ,such as how to use low2cost system to manage artificial grassland ,how to maintain
stability of artificial munities ,and how to improve conversion efficiency of grass2animal
product and animal2product marketing ,awaiting to be solved in the sustainable development of grassland
livestock farming in southern China.
Key words : Karst mountain area ; Grassland animal husbandry ; Ag