随后的五千万年中，这些植物群落与水流协同演化，造就了当今我们所看到的蜿蜒而行的河流，昔日沿河两岸的贫瘠景象已然变得郁郁葱葱、生机盎然。
Over the next 50 million years this co-evolution of flora and flow led to the meandering rivers we know today, and a barren landscape made lush.
河流中叶片凋落物在春夏季节的快速分解对底栖生物群落和下游养分循环有重要作用。
Generally, fast breakdown rates of leaf litter in the Xiangxi River indicated that riparian leaf litter played a significant role in the nutrient cycling and benthic communities.
探讨与香溪河具有相似纬度、相似河流长度和流域面积，同为长江上游支流的九龙河和冈曲河的大型底栖动物的群落结构特征与香溪河的差异。
The three streams had similar latitude, river length and watershed area. All were the tributaries of the Yangtse River and located in the upstream areas.
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