种类组成

泉州市三个海湾浮性鱼卵和仔稚鱼的种类组成与数量分布特点

Composition of species and distribution of abundance of pelagic fish eggs , larvae and juveniles in three bays of Quanzhou

对渔业资源结构、种类组成变化和渔业资源现状及其开发利用程度进行了探讨。

The structure of fishery resources and the variations of composition of species and fishery resource states and the developed level are analysed .

报道了天目山土壤纤毛虫的种类组成、分布及优势种类

The species compeition , distribution and dominants species of soil ciliates in Tianmu Mountains was reported .

文中讨论了内陆盐水浮游生物的种类组成、分布、生物量和盐度耐性与盐度、营养盐、碱度、pH及离子组成的关系等问题。

The relationships between species composition of plankton , distribution , biomass , salinity tolerance and salinity , nutrients , alkalinity , pH , ionic composition were discussed .

结果表明：Cd、Fe、Cd＋Fe和Fe＋Cd处理均不改变氨基酸的种类组成；

The results showed that the types of amino acid did not change under the treatment of Cd 、 Fe 、 Cd + Fe and Fe + Cd ;

中国东南沿海青蟹属（Scylla）的种类组成

Species composition in genus Scylla from the coast of southeast China

结果表明：1m范围的高程差影响植物种类组成，其趋势表明滩地1m的高程差已构成水分环境的变化；

The results showed that 1 metre difference for elevation of beach land would influence its species composition since the water condition was changed .

但两种稻田中仅分布2个相同的细菌菌群，其余均为具有特征性的细菌菌群，这说明转Bt基因水稻对土壤细菌种类组成有显著性影响。

Among them , only two common species existed in two rice fields and others were different species . The result indicated there was significant effect of transgenic Bt rice on bacteria compositions .

土壤理化性质中的水解氮量、土壤含水量和pH值与藻类的物种多样性具有较好的相关性；而放牧干扰和机械碾压也对藻类种类组成的数量特征具有一定的影响。

Hydrolyzable nitrogen contents , soil moistures and pH values of soils , which belong to the physical and chemical properties of soils , have significantly associated with diversity of algae . The grazing disturbance and trampling also influence over the number of algae species .

本文根据1994～1995年间山东近海大面积底拖网探捕调查资料，对山东近海5～40m水深范围内海胆的种类组成及生态分布状况等进行了初步分析研究。

In accordance with the survey data of the large area bottom trawl exploratory fishing conducted in Shandong offshore between 1994 and 1995 , the species composition and ecological distribution of sea urchin in waters of 5-40 m deep was analysed in this paper .

初步研究了浮游植物的种类组成和数量分布特点。

The species composition and distribution characteristics of phytoplankton were discussed .

在不同退化阶段各样地植物种类组成发生着一定的变化。

The plant community composition of different degraded meadows was changed .

不同生境的动物食物的优势种类组成是不相同的。

Diet components of marine animals from various habitats are different .

厦门东侧海域浮游植物的种类组成与分布

Species composition and distribution of phytoplankton in eastern Xiamen waters

云南高原苹果园昆虫群落种类组成特点

Apple Orchards Insect Communities Species Compose in Yunnan Tableland Area

辽宁沿岸海洋底栖钩虾类的种类组成与分布

Composition and distribution of the species of Gammaridea in the Liaoning coast

北部湾海域毛颚类种类组成与群落结构

Species composition and community structure of Chaetognatha in Beibu Bay

浙江三门湾冬夏季鱼类种类组成和数量变化

Species composition and density of fishes in the Sanmen Bay

长江河口湿地鱼类的种类组成及多样性分析

Fish species composition and diversity of Yangtze River estuarine wetlands

厦门筼筜湖游泳生物种类组成和资源状况

Species composition of necton and resources state of Yun-dang lake in Xiamen

渤海鱼类种类组成及数量分布

Species composition , abundance and distribution of fishes in the Bohai Sea

新疆鼠兔属的种类组成及其分布区

The Component Species of Genus Ochotona and Its Distribution Areas in Xinjiang

东海大陆架海域经济蟹类种类组成和数量分布

Composition and distribution of economic crab species in the East China Sea

楚科奇海和白令海浮游植物的种类组成与分布

Species composition and distribution of phytoplankton in Chukchi Sea and Bering Sea

黄、东海底栖性甲壳动物种类组成的季节变化

Seasonal composition of crustacean species in the East China Sea and Yellow Sea

片断化对常绿阔叶林种类组成的影响

Effects of Fragmentation on the Species Composition of Evergreen Broad - leaved Forests

福建武平帽布米槠林火烧前后植物种类组成变化研究

Changes of Species Composition in Natural Castanopsis carlesii Community after Cut and Burned

贺兰山针叶林结构特征与种类组成的比较

Comparison of forest structure and floristic composition of coniferous forest in Helan Mountain

东海黑潮流域仔、稚鱼的种类组成

The species composition of fish juveniles in Kuroshio waters off the Donghai Sea

世界红树植物分布区域间种类组成的相似性研究

Study on the floristic composition similarity of mangrove among their global distribution regions