ecological environment balance生态环境平衡
Ecological Appropriation Balance生态占用盈亏平衡
ecological mass balance生态质量平衡
ecological l balance生态平衡
disturbed ecological balance生态平衡失调;生态平衡被拢乱
Disrupt ecological balance扰乱生态平衡
ecological balance sheet生态均衡表
maintain ecological balance保持生态平衡;保护生态平衡
Ecological lost his balance生态失去平衡
Grassland degradation, desertification, basification pose great threat on ecological balance.
草地退化、沙化、盐碱化对生态平衡造成严重威胁，草地畜牧业滞后使农业结构失衡。 因此，合理开发和利用草地，大力发展草地畜牧业，是当前国民经济和农业发展的一年大事。
参考来源 - 我国草地畜牧业发展问题研究The cultivated area has been increasing gradually these years, thus not only supplied a lot of commercial timber for the country, but also played an important role in the maintenance of ecological balance.
毛竹林不仅为我国提供了大量的商品用材,而且在维护生态平衡方面发挥了重要的作用。
参考来源 - 不同混交模式对毛竹林土壤有机碳及土壤呼吸的影响