diversity index的例句大全

The essential elements of the spatial structure of landscape are patch, corridor, matrix by GIS, we study on landscape of soil erosion about following parameter: ratio of area, diversity index, dominance index and multiplicity.

在GIS支持下研究了宜昌地区土壤侵蚀强度景观的面积对比、多样性指数、优势度指数和多度等参数。

The landscape diversity index, evenness increased and the dominance index decreasing.

景观多样性指数增加、均匀度增加，优势度下降，破碎化严重。

The plant diversity index in the low-water period is higher than that in the high-water period, but the plant evenness index in the low-water period is lower than that in the high-water period.

枯水期时河口湿地植物物种多样性比丰水期时高，但其均匀度比丰水期时低；

The distribution of fungi is characterized by in the diameter of 0.25 mm. the smaller the aggregate size, the higher the diversity index.

＜0.25mm，团聚体粒径越小，真菌的多样性指数越高。

The results of this study suggest that modified fractal dimension is superior to fractal dimension and diversity index in describing landscape diversity at both the individual patch and landscape levels.

此外，从本项研究所用的三种格局分析方法的结果来看，修改分维数Dm比分维数D和景观多样性指数H能更好地描述景观和斑块的空间格局。

The results showed that the first four DCCA axes were significantly correlated to agricultural land ratio, landscape diversity index, forest land ratio, and landscape contagion index.

结果表明，DCCA排序的前4轴分别与农业用地比率、景观多样性指数、森林比率显著相关。

The change of diversity index of patches was not obvious.

各种斑块的多样性指数变化不明显.

The results showed demersal biological resources in summer were richer than that in spring as well as diversity index of the community.

结果表明，夏季底层生物资源较春季丰富，渔业生物群落的多样性指数也较春季高。

Main green vegetation in different districts and ring roads and distribution pattern of pests were analyzed using richness index, diversity index, evenness index and pest index.

运用丰富度指数、多样性指数、均匀度指数及虫情指数，分析不同区域、环线植被和害虫的分布规律。

The soil bacteria diversity index of these three bamboo grove significantly changed by season, but the changed trend were different.

三种竹林土壤细菌多样性指数季节动态明显，但变化趋势有差异。

Both the richness and diversity index of sucking louse community were quite low.

604只齐氏姬鼠体表仅仅采获4种吸虱（4069只），物种丰富度及生物多样性都很低。

Ecological footprint diversity index in the north of Shaanxi Province have overall downward trend from 1997 to 2006, average annual rate is 0.031.

陕北生态足迹多样性指数1997～2006年整体呈下降趋势，平均每年下降0.031。

The dominant index is in negative correlation to diversity index. Ambient concentrations varied considerably by season.

优势集中性指数与多样性指数呈负相关变化。环境浓度随季节而大幅度变化。

The species diversity index of the tree layer and the shrub layer reach its peak in the range of 1000-1200m elevation, the species diversity index decrease below or above this altitude range.

植物群落乔木层和其灌木层的物种多样性，在海拔1000-1200m范围达到峰值，低于或高于这一海拔范围时，物种多样性指数均逐渐降低。

Beta diversity index revealed that the loss of biodiversity information problem among those areas.

p多样性指数变化表明保护区之间生物多样性信息的丢失问题。

Major factors are water quality pollution index, benthic diversity index, algae diversity, GDP, grain output, aquatic production, greening rate and tourism revenue.

主要驱动因子为：水质综合污染指数、底栖动物多样性指数、藻类多样性指数、GDP、粮食总产量、水产品产量、绿化覆盖率、旅游收入。

The Vertical Structure Diversity Index and Cover Weighted Foliage Height Diversity Index based on the Shannon-Wiener Diversity Index were used to measure the complicated degree of the vertical structure of the plant community.

提出了以Shannen-Wiener多样性指数为基础的植物群落垂直结构多样性指数和盖度加权叶层多样性指数、作为森林植物群落垂直结构复杂性的测度。

The results showed that, in the course of wasteland restoration, the cultivated vegetation grew well; the plant species was increased from 13 to 60, and the richness index, evenness index and diversity index of species was increased significantly;

结果表明：荒滩恢复过程中，人工植被长势良好，植物种类由恢复前的13种增加到60种，群落物种的丰富度指数、均匀度指数、多样性指数均比恢复前显著提高；

The morphological diversity of the adzuki bean germplasm resources is higher, and its average diversity index is 1.529;

四川小豆种质资源具有丰富的形态多样性，平均多样性指数为1.529。

2, In the core-zone of 0.3 moisture isohyet, the relative change rate and fluctuation variance for both the number of individuals and biomass among different sampling plots varied west-east to the adjacent area significantly. There was an increasing trend in species diversity index.

2）0.3线的核心区不同样方向个体数和生物量向相邻区的相对变化率（0.42，0.56）与波动方差都很显著，物种多样性指数有增大的趋势。