Supported by the sequence analysis of mitochondrial 16S ribosomal RNA (rRNA) gene, the four genera of the extant river dolphins should be referred to separate families, i.

Status of river dolphins and measures for its habitats;

The stress factors,which affect the fresh water dolphin in Tongling river dolphin nature reservation,are analyzed,such as the changes of the fisheries resources,the hurt and construction of the fishing tools,the affection of the shipping and noise,the affection of irrigation, excavation and sewerage.

Effects of aniline and phenol on freshwater algae growth;

Influencing factors of freshwater algae growth under laboratory conditions;

Age determination of freshwater mussels using the method of thin section;

The freshwater mussels and sediments were collected from Wuhe Section of Huaihe River outside industrial area.

Studies on the freshwater fishes of Maoer mountain nature reserve;

Study on the freshwater fish fauna of forests streams in the west of Guangdong;

Studies on freshwater fish in South China natural reserve;

To investigate the distribution species of fresh water crabs in 34 counties and its harbouring metacercariae of Paragonimus in Fujian Province.