新疆农业科学2011，Vol.48Issue(6)：1104-1109,6.
不同年限围栏对昭苏退化春秋草地生物量影响的研究
The Effect of Biomass of Degenerated Spring-autumn Pasture inside the Different Years Fences in Zhaosu
摘要
Abstract
[Objective]The purpose of this study is to seek a theoretical basis for providing technology to improve the degenerated grassland by exploring the community structure of Zhaosu spring - autumn degenerated enclosed grassland inside the different years fences. [Method]Comparison of sampling methods was used to study the effects of different enclosure years on grassland community structure, grass coverage. biomass succession characteristics. [ Result]The biomass was significantly increased to the maximum number in the plots of fence 4 a in the study, with the enclosure time to extend the area of the yrass coverage, and then it declined; ground biomass inside the fences of 2 a,4 a and 6 a is 3.32 times, 4.41 times and 3.24 times respectively than that outside the fences. The proportion of quality forage production is increased with the process of extending the fence along, but clusters of small grasses were decreased in tum, and tall grasses are consistent with the biomass, continuously strengthening the dominance of Stipa capillata in the formation of a single dominant species in the fence of 6 a.[ Conclusion] This study denies the idea that the longer time to fence the grassland , the better. Too longer time to fence the land leads to S. capillata ' s too strong dominance, thus forming single dominant S. capillata grassland,which will inhibit the growth of other plants, thereby affecting the productivity of grassland that plays.关键词
不同年限围栏/退化草地/生物量/影响Key words
fences of different years/ degenerated grassland/ biomass/ effect分类
农业科技引用本文复制引用
王万林,李海,安沙舟,王雪芬..不同年限围栏对昭苏退化春秋草地生物量影响的研究[J].新疆农业科学,2011,48(6):1104-1109,6.基金项目
新疆维吾尔自治区现代化畜牧业试验示范项目"伊犁州生态经济型高效草业畜牧业试验研究" （）
