ecosystem type

基本解释生态系统型

网络释义

1)ecosystem type,生态系统型2)ecosystem types,生态系统类型3)Microcosm,微型生态系统4)microcosms,微型生态系统5)systems ecology model,系统生态学模型6)ecosystem model,生态系统模型

用法和例句

A quantitative study on Tibetan Plateau soils was carried out to determine the vertical distribution of soil organic carbon density in three layers (0~20 cm, 20~50 cm and 50~100 cm) of 28 soils and 14 ecosystem types.

通过对青藏高原土壤普查数据的整理分析,定量研究了青藏高原28个典型土壤类型、14个主要生态系统类型0~20cm、20~50cm及50~100cm深度内土壤有机碳密度的垂直分布规律。

Microcosm experiments were conducted to study the impacts of intensive cultivation of Anodonta woodiana on nutrient concentration(different forms of phosphorus and nitrogen)and phytoplankton community structure.

利用微型生态系统研究背角无齿蚌(Anodonta woodiana)高密度养殖情况下对微型生态系统水柱中不同形态氮磷浓度和浮游藻类群落结构的影响,结果显示蚌的高强度滤食:(1)减少微型生态系统中悬浮态氮的含量,明显增加了水柱中的溶解性氮、磷含量,但是对总氮、总磷和正磷酸盐含量没有显著影响;(2)显著减少所有浮游藻类的数量和生物量,提高水体透明度,同时迅速改变微型生态系统中浮游藻类的群落结构,降低了微囊藻等蓝藻的数量及其所占的相对百分比,而绿藻所占的比例迅速上升;(3)导致微型生态系统的生态结构发生了显著变化,上行效应(Bottom-up effects)在浮游藻类与营养盐的关系方面发生了变化,实验组水柱中氮、磷含量与浮游藻类的相关关系显著降低;(4)并不能有效降低微型生态系统的富营养水平。

Responses of phytoplankton and environmental factors such as chlorophyll-a, total organic carbon, dissolved oxygen, pH were measured in five microcosms with contrasting nitrogen-phosphorus ratios.

在实验室水族箱内建立微型生态系统,研究氮磷比[m(N)/m(P)]对微型生态系统中叶绿素-a、总有机碳、溶解氧、pH的影响,并用多重比较检验法分析试验所得数据。

The types of ecological systems and perspective analysis of the Hutuo River wetland;

滹沱河湿地生态系统类型及景观分析

Landscape Types and Characteristics of the in the Upper Reaches of the Yalong River

雅砻江上游景观生态系统类型及特点

THE MAIN TYPES AND TRENDS OF THE ECOSYSTEMS IN THE PEOPLE S REPUBLIC OF MONGOLIA;

蒙古人民共和国主要生态系统类型及动态

A Brief Analysis of the Roles that Forest Reserves Play in the Construction of New Rural;

森林生态系统类型自然保护区对新农村建设作用的探讨

Agro-forestry and grass combined ecosystem types and optimized model design in Anjiagou river basin

安家沟流域农林草复合生态系统类型及模式优化设计

Analysis on the Types and Stability of Industrial Ecosystems (IES)

工业生态系统(IES)的类型及稳定性分析

The Evaluation of the Forest Ecosystem Services for Nature Reserve;

森林类型自然保护区生态系统服务价值评估

Mathematic models of two types of representative industrial ecosystems and comparative study;

两类典型产业生态系统的建模及比较研究

Mechanism of Mans Behavior on Eco agriculture With Commodity;

商品型生态农业循环系统中的人类行为机制

Study on the Classification of Land Ecosystem in the Yellow Soil Plateau;

黄土高原地区土地生态系统基本类型研究

A limit Theorem of an Eco-evolution System and its Application

一类生态系统演化模型的极限定理及其应用

Primary Production of the Aquatic Ecosystem of the Nanhu Lake in Changchun Ⅱ --eriphyton and Macrophyte

长春南湖水生生态系统的初级生产Ⅱ——附生藻类与大型水生植物

Ecological Effects of Macroalgae and Filter-Feeding Bivalve in Fish Culture;

大型海藻和滤食性贝类在鱼类养殖系统中的生态效应

All these patterns of agriculture operate within the context of the global ecosystem.

所有这些农业类型,都在全球生态系统的范围内产生作用。

The Strategy Differences of Three Dimensions of Niche Enterprises in Business Ecosystem

商业生态系统不同缝隙型企业三维度的战略差别——基于苏宁商业生态系统的聚类研究

The people's governments at various levels shall take measures to protect regions representing various types of natural ecological systems, regions with a natural distribution of rare and endangered wild animals and plants, regions where major sources of water are conserved,

各级人民政府对具有代表性的各种类型的自然生态系统区域,珍

These species are widely located in various transitional terrestrial and amphibious eco-systems.

这些物种广泛分布于陆地和水陆过渡的各种类型的生态系统中。

The Research of Soil Animal Community with Different Land Uses in Urban Ecosystem;

城市生态系统中不同土地利用类型土壤动物群落学研究

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