濒危等级

山东省兽类濒危等级记录及调查研究

The study and investigation of mammals in Shandong Province on the level of endangerment

建立完善的物种濒危等级评价程序并制定相关的指导性文件；

Setting up assessment procedure and related regulations ;

对其种类组成、濒危等级现状、区系成分、地理分布及利用价值进行初步分析。

The present paper analyzed species component , endangered grade , floristic feature , and geographic distribution of these plants .

中国植物红皮书第一卷将我国植物物种濒危等级标准划分为濒危、稀有和渐危3个等级。

China Plant Red Data Book ( Vol.1 ) classified the threatened species as endangered , rare and vulnerable ones .

本研究首先收集了我国367个陆生哺乳类物种的4类基本特征数据：个体大小、繁殖力、利用和濒危等级。

We collected data on four basic traits of 367 terrestrial mammal species in China : body size , fecundity , use and endangered status .

对照植物濒危等级和优先保护序列区域性评价标准，定量评价了植物物种濒危等级和优先保护等级。

Contrasting to the standards of endangered grading and conservation priorities for plant species , we quantitatively evaluated the status of endangered and conservation priorities of plant species .

由于人类活动的影响，中国胭脂鱼已被列为国家二级野生保护动物，濒危等级：易危。

The wild fish source was greatly damaged due to over-harvesting and other human activities , to date the Chinese sucker has been an endangered species and has been listed in the second class of preserved animals in China .

药用植物濒危与保护等级划分中的问题及其标准探讨

Discussion on criterions of endanger and protection levels of traditional Chinese medicine herbs

从物种濒危与保护等级划分的现状出发，对药用植物濒危与保护等级划分中存在的问题进行了分析。

On the bases of present species endanger and protection levels , problems in the traditional Chinese medicine herbs are analyzed .

然后通过对评价指标定量化和权分配一系列处理，并通过最初一、二层的综合评判，求得濒危度和保护等级，进而确定物种的濒危状态及其在省级和国家级的保护序次。

And then , the risk size and the conservation grade in the province and throughout the country were calculated by the index quantification , weight allocation and initial 1 ~ 2 ladder Fuzzy Comprehensive Evaluation .

通过对评价指标的定量化和权重分配处理，求得15种荒漠植物的濒危系数和优先保护值，并进行濒危等级划分。

" endangering coefficient " and " priority protection value " are calculated by the quantifying assessment index and the distributing the weight value .

以物种濒危系数和物种优先保护系数分别度量物种濒危等级和优先保护程度。

Endangerment coefficient described the endangerment category and conservation priorities coefficient described the preferential conservation of plant species .

国际上物种濒危状态评价工作呈现出以下几个方面的发展趋势：（1）物种濒危等级评价标准由定性指标向定量指标发展；

Based on the above , the development trends in the endangerment assessment include : ( 1 ) the assessment criteria are developing from qualitative to quantitative ones ;

《中国濒危动物红皮书》依据我国动物所面临的濒危现状，对我国濒危动物的濒危等级划分、种群现状、致危因素和保护措施等进行了描述说明，首批收录了535种濒危动物。

The " China Red Data Book of Endangered Animals " lists 535 endangered species in China according to their conservation status , as well as describing their degree of threat , population size , threatening factors and approaches to conservation .

在此基础上，作者提出了我国在物种濒危状况评价中急需加强的3个方面的工作：（1）建立我国的物种濒危等级评价标准；

At last , we put forward some suggestions on the species endangerment assessment in China : ( 1 ) establishing species endangerment criteria ;

四川省60种珍稀濒危鸟类中，有2种在国内绝迹，8种属于濒危种，20种属于稀有种，24种属于易危种，其余6种濒危等级属于未定。

Among 60 the rare and endangered bird species , 2 species are extinctive in our country , 8 species are endangered , 20 species are rare , 24 species are vulnerable , and other 6 species are not evaluated .