The quantities of N and P, returning to the ground with withering in different ecologic zones, reach 149.4 t and 18.2 t from January to April, and the biogeochemistry cycle and ecological environment of the tidal flat can be seriously affected.

1、

Water vapor flux is one of the most important and the most fundamental ecological factors affecting carbon recycling in wetland ecosystem and is therefore closely related to net CO_2 exchange in wetland ecosystem.

水汽通量是影响湿地生态系统碳循环最重要、最基本的生态因子之一，与湿地生态系统CO2净交换密切相关。

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2、

Results show that the influence of wetland plants on N2O emission of the wetland ecosystem varied with their growing stage.

结果表明，植物不同生长阶段对湿地生态系统N2O排放通量的影响不尽相同。

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3、

Based on summarization of the basic laws and main affecting factors of net CO_2 exchange and water vapor flux in wetland ecosystem, relationship between the two is analyzed.

本文在总结湿地生态系统CO2净交换与水汽通量变化基本规律及其主要影响因子的基础上，从宏观和微观2个方面分析二者之间的内在关系。

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4、

PSR-based Indicators for Health Assessment of Wetland Ecosystem of Ebi Lake in Xinjiang Model

基于PSR模型的新疆艾比湖湿地生态系统健康评价指标体系研究

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5、

Dynamics of CO_2 and CH_4 Concentration in the Mire Soil and Its Impact Factors

沼泽湿地生态系统土壤CO2和CH4排放动态及影响因素

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6、

Lakeshore is one of the important wetland ecosystems.

湖滨带是重要的湿地生态系统之一。

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7、

Fire disturbance plays an important role in wetland ecosystems.

火干扰在湿地生态系统中起着重要的作用。

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8、

Design of dynamic simulation system for carbon cycle in forest ecosystem

森林生态系统碳循环动态仿真系统的设计

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9、

The Impact of Building Infrastructure on Ecosystem Services of Changbai Mount

基础设施建设对长白山森林生态系统服务功能价值的影响

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10、

Analysis of Present Scientific Research Situation in Stability of Forest Ecosystem

森林生态系统稳定性研究的现状分析

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11、

Analysis of Solar Radiating Energy in Ecological System of Urban Forests

城市森林生态系统太阳辐射能利用分析

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12、

Using Insect for Indicator to Monitor and Assess Forest Ecosystem Health

以昆虫为指示物种监测和评价森林生态系统健康初探

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13、

Study on the Evaluation Technology of Three Effects of Forest Ecosystem

森林生态系统三大效益评估技术的研究

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14、

Measuring the activities of soil enzymes in degraded forest ecosystem;

退化森林生态系统的土壤酶活性特征；

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15、

The stability, sustainability and integrity are forest ecosystem health assessment's objectives and criteria, and select a series of variables including forest ecosystem structure, organization, biodiversity, NPP, etc. as forest ecosystem health assessment indicators.

以森林生态系统的稳定性、可持续性和整合性为目标，提出了包括森林生态系统组成、结构、生物多样性、NPP等森林生态系统健康的评价指标体系；

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16、

There are many uncertainties in the role of forest ecosystems in slowing down the increases of atmospheric carbon dioxide concentration and their responses to and feedbacks on the global change associated with the increasing CO_2 concentration in the atmosphere and the global increase in nitrogen deposition.

在大气CO2浓度升高和氮沉降增加等全球变化背景下，森林生态系统减缓CO2浓度升高的作用及其对全球变化的响应和反馈存在诸多不确定性。

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17、

With the light-temperature model put forward by Guenther, isoprene emission from Chinese forest ecosystem was estimated.

本文应用Guenther的光温影响模型，对1993年中国森林生态系统的异戊二烯排放量进行了估算。

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18、

Forest land had a larger DOM/ WEOM concentration than grassland and farmland, and the effects of land use changes on DOM/ WEOM mainly depended on the changed land use pattern.

森林生态系统DOM/WEOM含量要高于草地和耕地。土地利用方式变化对DOM的影响主要取决于改变后的土地利用方式。

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19、

To model the carbon cycle and predict carbon source/ sink of forest ecosystems, we must first understand the relative contributions of root/ rhizosphere and microbial respirations to total soil respiration under elevated CO2 concentrations.

在大气CO2浓度升高的背景下，精确区分根呼吸与微生物呼吸是构建森林生态系统碳循环模型和预测森林生态系统碳源/汇关系所必需的。

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20、

In ecological, the ecological service value of forest ecosystem is very strong in Baihe forestry bureau, in which the storage of CO2 may reach 214.7 × 105t and annual fixed CO2 may reach 6.6 × 105 t;

在生态方面，白河林业局森林生态系统的生态服务价值是很强的。其中，贮存CO2总量可达214.7×10~5吨，年固定CO2可达6.6×10~5吨；

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