摘要
通过对盐池县封育多年和自2002封育草场连续3年的植被调查,通过计算其生物多样性指数,结果表明:连续封育多年的草场多样性指数逐年降低,自2002年封育草场的多样性指数在逐年增加,并且自2002封育草场在其生物量和盖度方面大于封育多年的,进一步分析了其中的原因,提出草场管理应该加以调整,不应单一封育管理,应该采用多元化管理方式,提高草场利用率。
Investigating the enclosed pasture vegetation of long-time enclosed and enclosed since 2002 for 3 years,computing the biodiversity index value, the result indicates that the index value of long-time enclosed is getting lower, enclosed since 2002 is getting higher, and vegetation biomass ,coverage and soil moisture content in the pasture enclosed since 2002 is greater than the long-time enclosed pasture, analyzing the reasons. It is considered that the management of the pasture should be adjusted, not just enclosed, but using properly.
出处
《水土保持研究》
CSCD
北大核心
2007年第2期252-254,共3页
Research of Soil and Water Conservation
基金
国家林业局项目(盐池荒漠化定位监测660550)
国家科技攻关项目:沙区大范围植被快速恢复技术研究资助(2005BA517A04)
关键词
封育
草场管理
结皮
盐池
enclosed
pasture management
crust
Yanchi county
