| ECOLOGICAL STUDY ON PROTOZOA IN THE SEDIMENT OF THE THREE-GORGES AREA OF THE CHANGJIANG RIVER |
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| 作者姓名： | 顾曼如 冯伟松 沈韫芬 |
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| 作者单位： | Institute of Hydrobiology，Academia Sinica，Wuhan，Institute of Hydrobiology，Academia Sinica，Wuhan，Institute of Hydrobiology，Academia Sinica，Wuhan |
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| 基金项目： | This study was supported by Chinese National Nature Science Fund No.386-0595 |
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| 摘 要： | This paper reports on the study on the protozoan community structure of the immersed sediment in the Three-Gorges Area of the Changjiang River. Protozoa observed included 7 phytoflagellates, 12 zooflagellates, 49 amoebae and 16 ciliates. Sarcodina dominated in sediment, ciliates in water. Analysis of species and horizontal density distribution of protozoan in sediment in 28 sampling points reflected the pollution degree of water quality at every site. It was shown that heavy metal contamination in sediment has some effects on the distribution of protozoan species in the Changjiang River.
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