Desert ecosystem takes on sparse vegetation and small biomass, changes with climate factors especially sensitive in precipitation, and it is particularly important for its conservation.

表明荒漠生态系统植被稀疏，生物量小，对气候因子，特别是降水变化敏感，对其保育显得尤为重要。

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At last, the authors analyze the future research directions and research highlights, such as the theory and research methods, coupling model, and optimized water-heat structure of desert ecosystem.

最后，该文对水热平衡理论和研究方法、水热平衡耦合模型以及荒漠生态系统的水热结构优化模式等未来的研究方向和重点问题作了分析。

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Regional ecosystem types, such as grass land, desert, and deciduous forest, are called biomes.

地区的生态系统，例如草原、荒漠和落叶林又被称为生物带。

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As the Iraqi army swept through the country, it built an elaborate system of fortifications, destroying the fragile desert ecosystem.

CNN: November 12, 2012 -- Updated 1223 GMT (2023 HKT)

At the Sabah Al-Ahmad nature reserve, environmental remediation has involved planting trees and building ponds to bring back wildlife, resulting in a flourishing desert ecosystem.

CNN: November 12, 2012 -- Updated 1223 GMT (2023 HKT)