从农业生产实际出发，对水稻田杂草群落演化原因及其趋势进行了综述。
The paper discusses the reason and trend of weed community evolution in paddy field.
另外， 群落谱系结构研究还有助于探讨中性理论、密度制约假说等生态学 理论， 并预测干扰作用下的群落演化趋势。
Phylogenetic information also indicates the influence of environmental factors and studying community phylogeny at the metacommunity level helps to understand regional ecological processes.
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.
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