农学 >>> 农学总论 >>> 农业基础学科 >>> 农业生态学 >>>
搜索结果: 1-8 共查到农业生态学 diversity相关记录8条 . 查询时间(0.101 秒)
Low Input Sustainable Agriculture Maintains the Balance of Bio-diversity in Natural Environment.
The influence of soil pH was evaluated on the abundance and generic diversity of cyanobacteria in soil samples collected from diverse rice soil ecologies of India. Qualitative and quantitative studie...
We studied the impact of low-density grazing on arthropod diversity in a small wetland (7 ha) in South Germany. The location was abandoned for 20 years, and was then grazed by Galloway for 4 to 5 yea...
Decrease in species diversity by overgrazing is one of the crucial indicators for ecosystem deterioration. Sika deer (Cervus nippon Tamminck) has grazed various plants on Nakajima Island,Hokkaido, Ja...
The aim of our study was to assess the changes in ground-dwelling arthropod communities structure in wheat, potatoes and lucerne crops, with and without pesticides application. We estimated the impac...
Benthic organisms diversity were observed in the sequence of Annelida > Mollusca >Crustacea > “Diversa” group. Levels of trace metals in benthic organisms were in the range 0.12–96.86 μg/g during wint...
Species richness of pine forest along with elevation varying from 1800 m (site A) to 1500 m (siteB) at central Himalaya was compared to judge the ecological significance. A total of 56 species compris...

中国研究生教育排行榜-

正在加载...

中国学术期刊排行榜-

正在加载...

世界大学科研机构排行榜-

正在加载...

中国大学排行榜-

正在加载...

人 物-

正在加载...

课 件-

正在加载...

视听资料-

正在加载...

研招资料 -

正在加载...

知识要闻-

正在加载...

国际动态-

正在加载...

会议中心-

正在加载...

学术指南-

正在加载...

学术站点-

正在加载...