红海沿岸干旱地带红树林生态系统保护(吉布提、埃及、厄立特里亚、沙特阿拉伯、索马里、苏丹、阿拉伯联合酋长国和也门)。
Conservation of arid zone mangrove ecosystems along the Red Sea (Djibouti, Egypt, Eritrea, Saudi Arabia, Somalia, Sudan, United Arab Emirates and Yemen).
结合农业生态系统特点对未来旱地农业水、肥效应的研究方向进行了展望。
The development trend of the researches on the water-fertilizer effect on dry land farmland in light of the characteristics of agro-ecosystem was also prospected.
就整个麦豆轮作生态系统而言，旱地土壤分别是大气n_2o、CH_4的源汇。
Dryland soil is atmospheric N_2O source and is sink of atmospheric CH_4.
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