生态类群

PCA排序图能够定量直观地反映出样点、杂草在6种重金属元素组成上的相似性，也反映出元素组成差异所形成的杂草生态类群与局部区域土壤元素差异的对应性。

PCA ordination plot could directly reveal the similarities of the element contents in sites and weeds , and also reveal the correspondence of the ecological groups of weeds in relation to the concentration of elements in sites .

不同生态类群的鸟类在季节分布和生境分布的数量变异规律，以及引起这些变化和差异的生境因素。

And the habitat factors which bring about the change and the difference .

青海省家畜生态类群分析

Ecologic AL type analysis of livestock in Qinghai Province

所记录的206种浮游桡足类中，5种生态类群共存。

A total of 206 copepod species recorded coexisted respectively to 5 ecotypes .

这些种类可分为4个生态类群：（1）北极类群；

These species can be divided into 4 ecological groups :( 1 ) Arctic group ;

闽南-台湾浅滩渔场鱼类及其不同生态类群的资源生产量

The resources production of fish and its different ecological type in Minnan-Taiwan Bank fishing grounds

台湾海峡南部鱼类生态类群及渔业生产特点

The ecological types of fishes and fishery characteristics in the southern part of Taiwan Strait

刀鲚两种生态类群-江刀和海刀鱼肉营养组成的比较及品质的评价

Comparison and evaluation of nutrient composition of two ecological groups of Japanese grenadier anchovy-river-anchovy and sea-anchovy

4种生态类群中10种鸟消化系统的形态学比较

Morphological Comparison of the Digestive Systems from 10 Species of Birds in 4 Kinds of Ecological Groups

红松林害虫种类、生态类群以及防治策略探讨

Study on injurious insects in Korean pine forest & species composition , ecological groups and control tactics

详细地研究了天津近岸海域的浮游植物种类组成、生态类群及分布状况。

Species compostion , ecological community and distribution of phytoplankton in the waters near Tianjin were studied in detail .

结果表明：桡足类已鉴定到种的有28种，划分为4个生态类群，以沿岸类群为主。

The result showed that 28 species of copepods were identified , which were divided into four ecological communities .

本试验研究结果，符合于海洋动物视觉功能的特征，也符合于海洋动物生态类群的一般规律。

The experiment results conform to the specification of marine animal vision and the general law of Ecological groups of marine animal .

生态类群组成中，旱生植物和中旱生植物功能群多样性也与群落初级生产力稳定性极显著地呈正相关。

The life form functional group component of diversity was a greater determinant of the ecosystem processes than the species component of diversity .

本文对大港湾浮游动物调查的结果进行了研究分析，共记录各类浮游动物79种，划分有三个生态类群。

According to the result of survey on zooplankton in Dagang Bay , the were 79 species identified , which were divided into three ecological communities .

不同生态类群浮游动物的时空分布基本上反映了江苏海岸带水域各个季节水文状况的基本特征。

The temporal and spatial distributions of different ecological groups of zoo-planktons reflect the basic characteristics of the seasonal hydrological variations in the waters off Jiangsu Province .

本文论述了高寒草原的区系组成，地理成分、生活型和层片、生态类群与生长发育节律等方面的特点，描述了7个主要群落类型，并探讨了它们的生态地理分布规律。

This paper discusses the floristic composition , geographical elements of flora , life-forms and synusiae as well as ecological groups and growth rhythm of this type of vegetation .

结果表明，浮游动物已鉴定到种的有66种，划分为5个生态类群，以暖水性近岸类群为主体；

The result showed that 66 species of zooplankton were identified , which were divided into five ecological communities . Among them , neritic warm water community was dominant .

分析了笔架山不同环境和植被类型，分布的不同鸟类生态类群的种类组成和数量特点，评价了鸟类资源的状况，提出了若干保护管理建议。

This paper analysis species and quantity characteristics of bird ecology groups in different environment and vegetation . Authors also evaluate the bird resource and give suggestions for bird conservation .

根据生态类群的组成及其特点，采用三个生物污染指数公式，对该河各段进行环境质量评价，为今后治理该河提供了科学依据。

According to the formation and the features of the ecological groups , an evaluation of the environmental quality in various sections of the river is made by the use of 3 biological pollution index formulae , thus providing scientific basis for harnessing the river in the future .

本文报道了长城站周围西湖水、西湖泥沙、陆地雪（西湖雪、企鹅粪便和藓类沼泽地）等不同生境淡水藻类的种类组成、密度及分布、生态类群及相似性。

This paper reports the species composition , distribution , ecotypes and similarity of freshwater algae from five different habitats , i. e. in water , snow , mud sand of West Lake and red colored snow in penguin guano and snow in moss cushions around Great Wall Station .

节肢动物（白蚁）和环节动物（蚯蚓）是分别代谢CH4和N2O的两个关键性生态功能类群。

Arthropods ( e.g. termites ) and annelid ( e.g. earthworms ) metabolise CH 4 and N 2O , respectively .

雅安野生草地饲用植物的生态经济类群划分的初探

The eco-economic categories of forage plants in Ya'an wild grassland of district

简述了划分天然草地饲用植物生态经济类群的方法，并将宁夏天然草地的饲用植物划分为14个生态经济类群34个类，列举了主要代表性植物，概述其饲用特点和生产价值。

Methods of dividing eco-economic categories of forage plants were described briefly . Forage plants distributed over natural grassland of Ningxia were divided into 34 eco-economic sorts , 14 sort groups . Representative plants in the sorts with their feeding features , productive values were described .

开放式空气CO2浓度增高对中国稻田生态系统线虫营养类群产生的影响（英）

Effects of elevated atmospheric CO _2 on nematode trophic groups in a Chinese paddy-field ecosystem .

轮藻是一类古老的低等植物，是水生态系统的重要类群和物种资源。

Charophyte is a kind of ancient algae , is one of the important component and species resources of aquatic ecosystems .

无脊椎动物按生态习性可以划分为2种生态类群，即常年定居性类群和季节性洄游类群。

According to their ecological habit , invertebrate species in Jiaozhou Bay could be divided into 2 ecological groups , i.e. resident species group and seasonal migratory species group .

蚯蚓活动及其在生态系统中的功能受蚯蚓生态类群、种群大小、植被、母岩、气候、时间尺度以及土地利用历史的综合控制。

Earthworm activities and their functions in ecosystem are determined by various factors such as ecological groups of earthworms , population size , vegetation , parent materials of soil , climate , time scale , and history of soil utilization .

海洋浮游动物是海洋生态系统中非常重要的一大生态类群，种类组成繁杂，数量大，分布广，有着极为重要的生态学意义。

For its diverse composition , large quantity and broadly distributes , the marine zooplankton plays an important role in ecological systems and has significant importance in ecology of oceans .

根据生态位宽度指数将湿地植物分为4个生态类群。

According to the niche breadth index , wetland plants can be classified into four groups .