作者: Ding WANG , Yujiang HAO , Kexiong WANG , Quingzhong ZHAO , Daoquang CHEN
关键词: Ecology 、 Geography 、 Resource conservation 、 Endangered species 、 Population 、 Finless porpoise 、 Illegal fishing 、 Fishery 、 Captivity 、 Yangtze river
摘要: Background As the sole freshwater subspecies of finless porpoise (Neophocaena phocaenoides), Yangtze (N. p. asiaeorientalis) lives only in middle and lower reaches River its appended Poyang Dongting Lakes. As a result human activity on river, including over illegal fishing, pollution, transportation dam construction, population porpoises has been steadily rapidly decreasing during past several decades, which leads animal to be endangered.