本文对影响VA菌根真菌孢子种群组成和季相变化的因素进行了讨论。
The factors that affect spore population composition and seasonal variation of va mycorrhizal fungi were discussed in this article.
聚类结果显示野生大豆天然种群组成结构与地理分布存在一定的相关性。
The cluster analysis indicated there was certain association between the genetic structure of wild soybean accessions and geographic distribution.
白洋淀纤毛虫主要由耐有机污染的种群组成，说明白洋淀主要受有机污染。
Ciliates in Baiyangdian lake were composed mainly by tolerant organic pollution community, it shows that Baiyangdian lake is polluted mainly by organic materials.
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