指出土地整理的出发点应基于生态系统原理（时间、位置、物种、干扰和景观） ，核心是实现整理区生态系统的良性循环。
The ecological system principle and reason that should follow in the land consolidation and rehabilitation are analyzed in this paper.
采用水源调节“替代工程的影子价格”原理，计算了该地区森林生态系统的水源涵养经济价值。
The principle of "Alternating Engineering and Shade price" is applied to estimate the economic value of water conservation caused by forest ecological system.
通过对实例的剖析研究，较全面地探讨稻田生态系统中水稻害虫及其天敌在生境间迁移的监测方法和有关原理。
This paper reviewed the sampling and trapping methodology and principles for monitoring the movement rate, direction and distance of arthropods between habitats in rice ecosystem.
非线性原理即熵定律分析人类生态系统中能量流动；
Analysing the energy flow in human ecosystem with unlineal principle(entropy law).
文章运用生态学的基本原理，对学校技术生态系统的结构和研究视角进行了分析；
This article discusses the structure and research angles of school technology ecological system by the ecological foundational principles.
本文应用灰色系统理论—灰色关联识别原理和方法，探讨干旱区土壤生态系统的主导因子识别。
The leading factors of soil ecosystem in arid area are discussed based an the application of the principle and method of grey relational gradation, the important part of grey system theory.
它以生态系统中能量多级利用和物质循环再生为基本原理，按照这一原理，就可以合理设计食物链。
It takes advantages of the basic ecosystem principle of multi-level energy exploitation and substance recycling to reasonably design food chains.
本文利用灰色原理，建立了世界十大生态系统的灰色模型群，并对2000年进行了预测。
In this paper, the grey model groups of 10 ecosystems of the world is established by the grey theory and the world ecosystem of 2000 is also predicted.
应用恢复生态学原理，提出了三江源区退化高寒草地生态系统恢复与重建模式。
Then, using the principles of the restoration of ecology, proposed the alpine meadow degradation ecosystem restoration and reconstruction pattern in the source region of three rivers.
本文较系统地探讨了对药用植物生态系统进行设计的原理、方法和重要意义。
In this paper, principle, content, significance of medical plant ecosystem design are studied systematically.
基于水文学和生态学原理，对河流生态系统健康的概念进行了界定。
Based on the theory of hydrology and ecology, the concept of river ecosystem health was defined and the influence factors were analyzed.
基于水文学和生态学原理，对河流生态系统健康的概念进行了界定。
Based on the theory of hydrology and ecology, the concept of river ecosystem health was defined and the influence factors were analyzed.
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