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The wetland ecosystem service function of the reed is 8 items, they mainly show on regulating function of water and protecting soil, they partly account for the valuations of the ecosystem service of reed wetland 35% and 32%, the number of valuations of the ecosystem service is 4 items after it is empoldered to the paddyfield, it is shown as material production value mainly, accounts for 75% of the value of whole ecological service of the system.

芦苇沼泽湿地生态系统服务功能为8项,主要表现在水分调节功能价值和控制侵蚀、保护土壤价值分别占整个芦苇沼泽湿地生态系统服务价值的35%和32%,开发为稻田后生态系统服务价值减少为4项,主要表现为物质生产价值,占整个生态系统服务价值的75%。

This may result in the further contradictions between human and land,the deterioration of the ecological environment,the decrease of load-bearing capacity,the recurrence of economic pauperization.

由于自然尤其是人为因素的影响,三峡库区生态环境遭受严重破坏,农民增收缺少支撑,加上三峡工程的修建,淹没了大批肥田沃土,更加激化了人地矛盾,导致该地区生态环境恶化,生态承载容量减少,经济贫困化的恶性循环,最终致使生态环境保护和经济发展严重对立。

For forest, grassland and river ecosystems, phreatophyte should be applied to, promoting the primary succession of the ecosystem. For farm and urban ecosystems, the main crops and pollution-resisting ornamental plants should be selected for the purpose of agricultural production, landscapes construction and bioremediation so as to control the speed and direction of secondary succession of these ecosystems.

对于森林、草地、江河等自然生态系统,植被选择应以原生种类为主,以促进生态系统进行原生演替;而农田、城市绿地生态系统,植被恢复应以生产生活、景观营造、生物修复为目的,宜选择当地主要优势农作物、观赏性好、抗污染的植物,以控制生态系统次生演替的方向和速度。

Here, by means of deep thought toward currently fashionable Ecotourism Heat, we recapitulative concluded the status of Ecotourism development and exsiting problems,and meanwhile, proposed some suggestions to the sound development of our future Ecotourism.

本文通过对当今国内流行的生态旅游热较为深入的思考,对我国生态旅游发展的现状以及现阶段生态旅游实践中存在的几大问题进行了概括性的总结和归纳,同时对我国未来生态旅游的健康发展提出了一些建议和看法。

The characteristics of the riparian ecosystem were analyzed.

在对国内外河岸带生态系统管理研究进展进行综述的基础上,从生态系统管理的角度出发,结合河岸带生态系统特征,界定了河岸带生态系统管理的概念及其要素。

The results indicated:During the course of vegetation natural recovery, there are different stage of secondary sere at different degree of degraded lands, that is secondary herbosa; secondary scrub; masson pine coniferous forest; conifer and broad-leaved mixed forest; every green broad-leaved forest.

本项研究从比较生态学入手,分析了千岛湖地区退化森林生态系统不同植被恢复措施,即:自然恢复、人工促进自然恢复和人工恢复措施下的群落生态变化,比较了不同措施之间的生态响应差异,研究结果表明:①在植被自然恢复过程中,由于生态系统退化程度的不同,存在草灌丛、灌丛、马尾松林、混交林和常绿阔叶林整个演替序列。

In this dissertation, four aspects of ECM fungi were studied in a subtropical forest, a ECM fungi identification and biodiversity estimation, using morphological and molecular ways; b genetic structure of ECM fungi population, taking two case studies; c structure of ECM fungal community, based on sporocarp and plant investigation over-ground; and d growth response of host and non-host plant to ECM fungi inoculation.

由于外生菌根真菌的宿主植物常常是一些生态系统的优势种和建群种,并且这些真菌还参与了许多森林生态系统的有机和无机元素循环、物种的竞争和共存、生物多样性的维持、生态系统的演替等过程,因而对外生菌根真菌的研究有助于对这些生态系统维持和演替机制的深入理解。

Before the present ecological crisis, CPUSA starts actively an ecological critique and straggle by exploring the causes and solutions for it.

在当前的生态危机面前,美共通过深入挖掘生态危机的根源、提供消解生态危机的路径来积极开展生态批判和斗争。

An assessment index system of supervene eco-environment was established,and the present state of supergene eco-environment was assessed as well.

以秃尾河流域为例,从地下水与表生生态环境关系的野外调查入手,以地下水为主线,在深入分析流域表生生态环境问题的驱动力的基础上,建立了流域表生生态环境递阶层次评价指标体系,并对流域表生生态环境现状进行了评价。

From 2006 to 2010, the total value of ecosystem services is to further increased, but it is still to be decreased for cultivated land, forestland, residential and mining land, swampland, which suggests that the whole function of ecosystem services in Zhanjiang was remained to be enhanced, but degradation was also found in some parts of the city.

中文摘要:为了量化土地利用总体规划实施对生态环境的影响,以湛江市为研究区,采用谢高地等提出的生态系统服务价值当量因子表,从生态系统服务价值的角度对湛江市土地利用总体规划(1997―2010年)实施的生态效应进行了定量评价。

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