1) grasshopper population
蝗虫种群
1.
Study on the relationship between plant diversity and grasshopper population in the steppe of Xilinguole;
锡林郭勒典型草原植物多样性和蝗虫种群的关系
2) grasshopper dynamics forecasting
蝗虫种群动态预测
3) grasshopper communities
蝗虫群落
1.
The diversity of grasshopper communities in Qinling Bashan Mountainous Region;
秦巴山区蝗虫群落多样性研究
2.
The grasshopper communities were analysed by using quantity classification and similarity coefficients methods.
应用数量分类及相似性方法对秦岭太白山南坡蝗虫群落垂直分布样方资料进行了分析。
4) grasshopper community
蝗虫群落
1.
Diversity of grasshopper community in lac plantation-farmland ecosystem
紫胶林-农田复合生态系统蝗虫群落多样性
2.
Based on multivariate regression analysis of ordination axes and environmental parameters the environmental interpretation of grasshopper community are given.
应用主分量分析 ( PCA)和相关分析方法 ,对秦岭太白山南坡蝗虫群落垂直分布样方资料进行了分析 ,并通过排序值与环境参数的多元回归 ,对各群落类型的定量解释。
3.
The result shows that the diversity order of the grasshopper community (from high to low)is:(1)weeds region along the farmland >Pinus tabulaeformis community>Inula salsoloides community>Salix cheilophila communit.
通过对毛乌素沙漠南缘恢复生态系统不同生境蝗虫群落,进行蝗虫群落结构及其在不同生境条件下存在度的研究,并运用βw多样性指数,Cj相似性指数和Cs相似性指数,对其蝗虫群落多样性进行分析,结果表明不同生境蝗虫群落多样性由高到低为农田杂草地带>油松群落>蓼子柏灌木群落>沙柳群落,反映了环境演替与物种之间的关系,也反映了不同蝗虫适应于不同生境和生态幅度,同时对不同生境间边缘地带的物种丰富度、种群密度的研究发现具有增加的趋势和明显的边缘效应。
5) A cloud of locusts.
一群蝗虫
6) locust species
蝗虫种类
1.
The investigation on locust species and their distribution in plain and mountain area of Beijing has been conducted.
由于植被、生态因素与环境条件和海拔高度的不同,蝗虫种类的垂直分布存在较明显的差异。
补充资料:种群增长率(见种群出生率)
种群增长率(见种群出生率)
种群增长率见种群出生率。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条