介绍了土壤纤毛虫的研究历史；综述了国内外土壤纤毛虫在不同生境下的特性及其在土壤生态环境评价中的应用研究现状。
The characteristic of soil ciliates in different ecological environment as well as the application of it in the soil ecological environment evaluation is reviewed in detail.
附着型纤毛虫的密度占纤毛虫总密度的42.7%，匍匐型纤毛虫的密度占纤毛虫总密度的31.7%，肉食型纤毛虫的密度占纤毛虫总密度的21.2%，自由游泳型纤毛虫的密度占纤毛虫总密度的4.4%。
The density of attached ciliates accounted for 42.7% of the total ciliates density, while crawling ciliates for 31.7%, carnivorous ciliates for 21.2% and free-swimming ciliates for 4.4%.
结肠小袋绦虫是一种造成腹泻的巨大纤毛虫。
Balantinium coli is a giant ciliate that causes diarrhea in humans.
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