natural ecosystem

The benthos resource function in ecosystem of the Yangtze River Estuary was primarily discussed and we estimated and calculated their products ( natural resources) value for the first time.

本文还对底栖动物在长江河口湿地生态系统中的资源功能做出了初步探讨，并首次估算出其物质产品（自然资源）价值。

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Also, we should try to avoid disrupting the natural ecosystem in our area.

同样, 我们应该尽量避免干扰自然生态系统在我们的地区.

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The matter cycle implies that the natural ecosystem never produces garbage.

物质循环表示自然系统不会产生垃圾.

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So how to integrate the development of industrial and the protection of nature as to build a harmony complex ecosystem in town and weave the industrial space and outside natural resource together is our urging problem in the future industrial town planning.

因此如何将产业新城的开发与自然环境的保护结合起来，建立和谐的城市复合生态系统，实现产业空间与外部自然环境的耦合，是我们应对未来产业新城建设所必须面对的紧迫问题。

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The community co-management organizations and protection and development funds of natural resource operated by villagers have been tested in the project of multi-agency and local participatory of sustainable management of Yunnan upland ecosystem ( YUEP).

在云南山地生态系统生物多样性保护示范项目（YUEP）中，尝试建立以村民为主体的社区共管自然资源组织和基金。

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Evaluating the potential of nitrogen fixing of plants in the forest ecosystem by using natural~ ( 15) n abundance method

利用~（15）N天然丰度法评估森林生态系统植物的固氮能力

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From the frequent natural punishment and the profound lessons of tortured disaster caused by violating land ecosystem law, the humanity gradually awaken to: the only way for radical curing this problem endangering human own security is to maintain safe development of land ecosystem.

人类从违背土地生态系统发展规律而屡受自然界惩罚，饱受灾难折磨的深刻教训中，逐渐醒悟到：根治这一危及人类自身安全问题的唯一途径是维持土地生态系统安全发展。

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They are an indispensable part of ecosystem and natural beauty.

它们(野生动物)是生态系统和自然美中不可缺少的一部份.

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So to sum up historical experiences and lessons to Chengde, we put forward economic development environmental protection measures: adhering to the strategy of sustainable development, Taking a variety of measures to restor the natural ecosystem and coordinating development between tourism and environmental protection Chengde.

所以总结历史经验教训，提出承德地区发展经济保护环境的措施：坚持可持续发展战略，多措并举大力发展承德的生态旅游业，实现承德旅游开发与环境保护相互促进、协调发展的目标。

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Natural disturbance and human_caused disturbance of estuary wetland ecosystem were identified.

对河口湿地生态系统所受到的自然干扰和人为干扰进行了系统辨识。

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