摘要
基于298个样地、894个描述及测产样方5、960个点测样方的野外调查资料,分析了京津风沙源治理区河北省崇礼县天然草地的植物物区系特征和群落特征。将本区天然草地资源划分为3个草地类、5个草地组、11草地类型,分析了不同草地类型的优势种、主要伴生种、草地盖度和产量等群落特征与草地退化现状,并据此提出了草地保护利用和改良对策。
On basis of open - air survey materials of 298 plots, 894 description and output examination spots, 5960 point examination spots, study was done on the plant characteristic and community＇s characteristic on the natural rangeland of Chongli county of Hebei in the controlling Sand source areas around Beijing and Tianjing. The natural rangeland in this district was divided into 3 rangeland kinds, 5 rangeland groups, 11 meadow types. The predominance species, main companion species, coverage degree and output et al in different rangeland types and their community characteristic and current degradation situation were also analyzed. Then the countermeasure of protecting, utilizing and improving on the rangeland in view of the above was proposed.
出处
《河北农业大学学报》
CAS
CSCD
北大核心
2006年第2期72-76,共5页
Journal of Hebei Agricultural University
关键词
京津风沙源治理区
河北省
崇礼县
天然草地
草地类型
草地退化
保护利用
sand source areas around Beijing and Tianjing in administration
Hebei province
chongli oounty
rangeland
rangeland type
deterioration of rangeland
protect and utilize
