长江河口是中国最大的河口，其水土资源、水运资源和水产资源极其丰沛和开发强度已闻名于世。
The Changjiang estuary, the largest estuary in China, is world-famous for its great abundance and development intensity of soil and water, water transport and fishery resources.
但是流域水土资源的开发利用常常导致大量湿地丧失和退化，湿地水文调节功能遭到破坏。
However, the water and land resources exploitation and utilization in a watershed often resulted in wetlands loss and degradation, thus destroying, wetland hydrological regulating functions.
水土保持后治理是指对已经治理后的水土资源的进一步治理、保护、开发与利用。
The further harnessing based on the soil and water conservation means to further harness, protect, develop, and use the soil and water resources that had been harnessed.
因此，进行水土资源优化利用和合理开发势在必行。
So, it is imperative to out the optical utilization and reasonable development of water and land resources.
因此，进行水土资源优化利用和合理开发势在必行。
So, it is imperative to out the optical utilization and reasonable development of water and land resources.
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