查询词典 biodiversity

The sedimentary environment, abundance and biomass of meiofauna, community structure and biodiversity and systematics of free-living marine nematodes, were quantitatively studied at the middle intertidal zone during the periods of investigation.

2004年10月到2005年10月对青岛太平湾进行了连续13个月的小型底栖生物的调查采样，对小型底栖生物栖息的沉积环境、小型底栖生物的丰度和生物量、自由生活海洋线虫群落结构、多样性和分类学进行了研究。

Even in the deep pre-Cambrian,it seems, biodiversity was, well, diverse.

甚至是在前寒武纪，看起来生命也是多姿多彩的。

This is about much more than climate change, it is about preserving natural habitats, protecting watersheds and maintaining biodiversity.

这比气候变化的范围广得多，保护森林涉及到保护自然栖息地，流域生态以及维持生物多样性。

China contains some of the world's richest troves of biodiversity, yet the latest major survey of plants and animals reveals a bleak picture that has grown bleaker during the past decade.

中国拥有世界上最为丰富的物种，然而最近大量的动植物勘察发现近十年中国物种正处于不容乐观的境地，并且越来越糟。

Along the low altitudinal plateau edge, haplotypes A, B and C tended to be fixed or nearly fixed in different populations, indicating that the species may have survived the last glacial period in different refugia within this area, and the bottlenecks due to the repeated reduction and expansion of the population size resulted in the reduction of biodiversity.

在低海拔的高原边缘，Hap A、Hap B和Hap C高频率固定在不同的居群中，表明可能存在多个不同的避难所，居群反复缩小和扩张的瓶颈效应造成了遗传多样性的丢失。

The community structure and biodiversity are analyzed and compared with four main tropical forests in Hainan island basing on 6 quadrats in different altitude on Diaoluo Mountain.

根据吊罗山自然保护区不同海拔6个植物群落的样方资料，分析了吊罗山植物群落结构特征和物种多样性，同时比较了吊罗山植物群落与邻近地区植物群落的组成特征。

This passage has studied on the biodiversity and its ecosystem service value in the Wuling Mountain nature reserve: 1 Through surveyed and analyzed the overall multiplicity of 7 kind of main forests community types by using the sample plot survey to Wuling Mountain.

本研究采用多种方法对雾灵山森林生物多样性及生态服务功能价值进行了仿真研究： 1。利用样地调查法对雾灵山7种主要森林群落类型的整体多样性进行了调查分析。

The role of six types of urban plantations in Harbin in maintaining woody plant diversity was assessed quantitatively by sample plot survey and diversity index analysis. The naturalization process and the approaching-nature management modes of the urban plantations were also discussed in terms of richness, evenness and Shannon-Wiener indexes of regeneration layer, succession layer, main storey, brush layer aiming to provide a basis for forest management and biodiversity protection.

采用样地网格调查方法与多样性指数分析方法，定量评价了哈尔滨城市人工林在维持木本植物多样性方面的作用，并通过分析林分更新层、演替层、主林层的多样性指数，探讨了城市人工林自然化过程及其近自然经营途径，以便为哈尔滨城市森林经营与生物多样性保护提供依据。

Other threats to biodiversity include exotic species, often transported by humans, which can outcompete and displace native species.

其他对生物多样性的威胁包括外来物种，它们常常是通过人的活动迁移的，能够通过生存竞争取代本地物种。

Comparison with the prevail methods on the bird community, the bird dates were ordinated after clustering the bird into different type to avoid redundant species to the result biodiversity and ordination and there are the reasons

群落内物种组成及其功能是群落生态学研究的基础和重点，而任何生物又都是其生境的一部分，共同构成一个整体，其生存和发展必然受生境所制约。

I'm strongly against the death penalty — it's an eye for an eye.

我不赞成死刑——这是以牙还牙的报复行为。

And to get you the support you need, we're enlisting all elements of our national power: our diplomacy and development, our economic might and our moral suasion, so that you and the rest of our military do not bear the burden of our security alone.

并给你们所须的支援，我们正徵召国家所有各种的力量：我们的外交及发展，我们的经济力量与道德劝说，所以你们与其他军人不须要孤独地负起国家安全的责任。