Protozoan from six stations of Lake Donghu were collected and identified. 6 taxonomic parameters, species number, diversity index(DI), percentage of phytomastigophra, community pollution value (CPV), community similar...Protozoan from six stations of Lake Donghu were collected and identified. 6 taxonomic parameters, species number, diversity index(DI), percentage of phytomastigophra, community pollution value (CPV), community similarity and heterophy index(HI) were obtained and determined. The results showed that CPV and HI could reflect the changes of water quality correctly. DI could reflect the tendency of changes. The water quality status of different stations could be correctly classified by the cluster analysis.展开更多
Soil protozoan is the third largest taxon in soil biota and an important biological regulator for soil organisms and biochemical activities because of its biodiversity predacity and enormous biomass in soil. Different...Soil protozoan is the third largest taxon in soil biota and an important biological regulator for soil organisms and biochemical activities because of its biodiversity predacity and enormous biomass in soil. Different trophic types such as photosynthetic autroph, saprotroph and predacity existed in protozoan. Since predation not only controls the bacteria community but also stimulate nutrient transformation and carbon cycling, the study on protozoan community structure and ecological function is one of the bases for elucidating the soil fertility. The article reviewed the research progresses in protozoan community, trophic types, ecological function and application in soil.展开更多
文摘Protozoan from six stations of Lake Donghu were collected and identified. 6 taxonomic parameters, species number, diversity index(DI), percentage of phytomastigophra, community pollution value (CPV), community similarity and heterophy index(HI) were obtained and determined. The results showed that CPV and HI could reflect the changes of water quality correctly. DI could reflect the tendency of changes. The water quality status of different stations could be correctly classified by the cluster analysis.
文摘Soil protozoan is the third largest taxon in soil biota and an important biological regulator for soil organisms and biochemical activities because of its biodiversity predacity and enormous biomass in soil. Different trophic types such as photosynthetic autroph, saprotroph and predacity existed in protozoan. Since predation not only controls the bacteria community but also stimulate nutrient transformation and carbon cycling, the study on protozoan community structure and ecological function is one of the bases for elucidating the soil fertility. The article reviewed the research progresses in protozoan community, trophic types, ecological function and application in soil.