您要查找的是不是：
- A species diversity index(SDI), which is difined in Eq. (1-2). 种类多样指数（SDI）可由式（1－2）求得。
- The species diversity index of second generation stand was small higher than the first . 二代林分乔木层物种多样性指数、均匀度比一代林分略大；
- Number of species and individuals, species diversity index and evenness, and proportion of wader birds decreased from bay-mouth to bay-head, and was lowest in midbay. 其中湾口的水鸟物种数、个体数量、多样性指数、均匀度指数以及涉禽所占比例均为最高，湾底次之，湾中部最低。
- The species diversity index of the tree layer was a bit low, and the general trend was shrub layer > treelayer > herb layer. 乔木层物种多样性指数偏低,垂直结构各层次间物种多样性大小依次为灌木层>乔木层>草本层。
- The results show that Jinggang Mountion had high species diversity index, which did not alter too much between investigated plots. 结果表明:栲属群落物种多样性指数较高,各样地间多样性指数测值变幅不大;
- The species richness and species diversity index of the tree layer and shrub layer are obviously bigger than those of the herb layer. 乔木层、灌木层的物种丰富度、物种多样性指数均明显大于草本层。
- Number of species and individuals, species diversity index and evenness, and proportion of wader birds decreased from baymouth to bay-head, and was lowest in midbay. 其中湾口的水鸟物种数、个体数量、多样性指数、均匀度指数以及涉禽所占比例均为最高, 湾底次之, 湾中部最低。
- Growth indices of artificial cultivated HedysarumMaxim. are studied by line transect methods, species diversity indices are calculated to study the sand-fixing effects of HedysarumMaxim. 摘要采用样线法对人工种植羊柴进行研究，调查其生长状况，并通过研究其物种多样性来分析羊柴对流沙的固定效果。
- Growth indices of artificial cultivated HedysarumMaxim.are studied by line transect methods,species diversity indices are calculated to study the sand-fixing effects of HedysarumMaxim. 采用样线法对人工种植羊柴进行研究,调查其生长状况,并通过研究其物种多样性来分析羊柴对流沙的固定效果。
- Acoording to the comparison among bird species in five different habitats in Jinzhongshan,the results indicate that the highest bird species diversity index is in scrub and farmland(3.04),and the lowest in water area(2.14). 本文还对金钟山鸟类保护区的5种不同生境类型的鸟类种类组成作了比较;结果表明灌丛+农田的鸟种多样性指数最高;为3.;04; 水域的鸟种多样性指数最低;为2
- Habitat of grassland and marsh had a highest species diversity index; however, the evenness indexes were higher at woodlands than any other habitat. 不同生境类型中的鸟类群落多样性指数以草原湿地最高，均匀性指数以林地和疏林较高。
- Based on the sample-plot survey on 3 types of greenbelts in Urumqi city, the species composition, species diversity indexes and community structure characteristics were analyzed. 摘要在对乌鲁木齐市3种类型的绿地进行样地调查的基础上，分析不同绿地的物种组成、物种多样性指标和群落结构特征。
- The Chinese fir plantations cultured by RMC method not only have the ideal vertical structure and habitat diversity but have their species diversity indexes beyond the lower limit of that of evergreen broad-leaved forsets in Jiangxi Province. 以残留管理育林法所培育的林分,不仅其物种多样性指数已超过江西常绿阔叶林物种多样性指数的下限,而且还具备良好的垂直结构及较高的生境多样性。
- Synthetic indices for stand species diversity. 林分物种多样性指标体系的研究。
- Keywords canal;benthon;water quality;biotic index;species diversity index; 关键词运河;底栖动物;水质;生物指数;生物多样性指教;
- Relationships between species diversity indices of Larix chinensis communities and environmental factors 太白红杉群落物种多样性与环境因子的关系
- What Determines Species Diversity? 是什么决定了物种的差异?
- The bird diversity index is 1.2399 and evenness index was 0.7271. 该区人工林中鸟类的多样性指数为1.;239 9。 均匀性指数为0
- Analysis on Assessing Criterion for Polluted Situation Using Species Diversity Index of Marine Macrofauna 海洋底栖动物多样性指数污染程度评价标准的分析
- A Review on the Species Diversity of Plant Communityal superiority. 植物群落物种多样性研究综述。
