以下为句子列表：
英文: Abstract: By applying theories of environmental economics,a case study ofthe Amomum villosom cultivation in Manme Village was conducted to analyze sustainability of the Amomum villosom ecosystem in tropical forest in the aspect of economy,environment and
中文: 文摘:以曼么村为例，从环境经济学的观点出发，对热带森林-砂仁生态系统的可持续性从经济及环境、生态等方面进行了分析。
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英文: Abstract: In the paper,the types,characteristics,planning and evolution of wetland ecosystem in Yellow River Delta have been analyzed,and its protection has been discussed.
中文: 文摘:本文对黄河三角洲湿地生态系统的类型、特征、演替、演化进行了分析，并探讨了有关保护对策。
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英文: According to the degradation situation of the ecosystem and human activities fresures, in this paper, countermeasures for restoration and repair of degraded ecosystem are suggested, and new idea are provided for ecological protective screen construction i
中文: 本文根据生态环境退化的现状和人为活动的特点，提出了生态环境恢复和整治的对策，为岷江上游民族地区生态屏障的构建提出新思路。
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英文: Alpine meadow and wetland,closely correlated with the amount of water stock in the riverhead of China,is the most important ecosystem of the Qinghai-Tibetan Plateau.This ecosystem is the primary support for the industrial and agricultural and the living u
中文: 高寒草甸及湿地是青藏高原上最为重要的生态系统,它的状况直接关系到我国江河源头的蓄水量,也关系到我国中部和东部广大地区的工农业及人民生活用水,因此对青藏高原高寒草甸与湿地的保护具有重要的现实意义.本研究对青藏高原东北缘黄河源头地区甘南藏族自治州的玛曲县高寒草甸及湿地进行调查,揭示了该地区的植被生物多样性情况与组成结构,利用解析层次方法分析了高寒草甸及湿地的退化原因及恢复手段,同时还从集合种群竞争原理出发对该地区植被生物多样性的维持机理进行了讨论.结果显示出两个现存的主要矛盾:在生物多样性保护与高寒草甸质量提
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英文: Applying restoration measures, such as introducing suitable native species, is perhaps necessary under some environment, especially where the natural ecosystem function was seriously damaged.
中文: 在生态系统结构功能严重受损，威胁到区域生态安全时，通过引入物种进行主动的植被恢复可以有效地加速生态系统恢复进程，维护区域生态安全。
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