Natural ecosystem

Organic nitrogen use by plants and its significance in some natural ecosystems;

植物对有机氮源的利用及其在自然生态系统中的意义

Research advances in vulnerability assessment of natural ecosystem response to climate change;

自然生态系统响应气候变化的脆弱性评价研究进展

Natural ecosystems services imply the natural environmental conditions and their services formed and sustained by natural ecosystem and ecological process,on which,human life relies for existence.

自然生态系统公益是指自然生态系统及其生态过程所形成的维持人类赖以生态的自然环境条件及其提供的服务。

The paper analyzes and summarizes three different natural ecological system of greenhouse gas emissions, they are terrestrial ecosystems、water ecological system and the estuary.

为了准确地评估水库温室气体排放通量的量级水平,对不同自然生态系统温室气体排放通量的分析尤为必要。

Assessment of vulnerability of natural ecosystemsin China under the changing climate;

中国自然生态系统对气候变化的脆弱性评估

Also,it is a product of the ecological restoration practice,which focuses on the rehabilitation and reconstruction of natural ecosystems under the pressures of natural disasters and human damages.

恢复生态学是关于生态恢复的一门科学,它运用生态系统演替理论,研究退化或受损的生态系统的恢复或重建,是生态恢复实践的产物,恢复与重建在自然灾变和人类活动压力下受到破坏的自然生态系统。

A comparative study on business ecosystem and biological ecosystem;

商业生态系统与自然生态系统的比较研究

Rehabilitation River Natural Ecosystem,Construction Lu an Eco-city;

修复河流自然生态系统，建设六安生态城市

Natural and agricultural ecosystems form a continuum.

自然生态系统和农业生态系统构成一个连续的统一体。

Study on the Evaluation of Economical Value of Natural Eco-system Based on the Emergy Theory: A Case Study on the Xuebaoshan Natural Eco-system in the South Slope of the Daba Mountain

基于能值理论的自然生态系统经济价值研究——以大巴山南坡雪宝山自然生态系统为例

So now we're working to try to restore the natural system."

所以我们正努力设法恢复这里的自然生态系统。

The world's natural ecosystems act as a buffer.

地球上的自然生态系统起着一种缓冲的作用。

A View to the Relations between Man and Nature On the Basis of Ecosystem and Ecologic Balance

从生态系统及生态平衡看人与自然的关系

Study on Characteristics of the Natural Landscape Ecosystems in the Yellow River Beach;

黄河滩区自然景观生态系统特征研究

Chomolungma National NatureReserve Ecotourism Self-Service System Design;

珠峰自然保护区生态旅游自助服务系统的设计

Terrestrial Ecosystem Nature Reserve System Planning in China;

中国陆地生态系统自然保护区体系规划

The natural environment is usually a somewhat Balanced ecosystem.

自然环境通常是个比较平衡的生态系统。

The City Ecological Planning Based on the Nature-economy-society Complex System;

基于自然—经济—社会复合系统的城市生态规划

Construction of Urban Green Space System Having Ecological Function;

创建具有自然生态效应的城市绿地系统

A Study on the Forest Ecosystem Function of the Jiuzhaigou National Nature Reserve;

九寨沟自然保护区森林生态系统功能研究

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

Systematic Planning and Mangement of Eco-tourism in Nature Reserves;

在自然保护区开展生态旅游的系统规划和管理

Building up the city ecosystem with the nature and the society in harmony;

构造自然与社会相协调的城市生态系统

An emergy analysis on the ecotourism system of Wuyishan Natural Reserve

武夷山自然保护区生态旅游系统能值分析