Since 1988, the Japan Enoshima Aquarium (JEA) and the Institute of Hydrobiology of Chinese Academy of Sciences(IHCAS) have carried out long-term joint research on the conservation of Baiji dolphins (Lipotes vexillifer...Since 1988, the Japan Enoshima Aquarium (JEA) and the Institute of Hydrobiology of Chinese Academy of Sciences(IHCAS) have carried out long-term joint research on the conservation of Baiji dolphins (Lipotes vexillifer). According to the research, the population of Baiji dolphins has been decreasing rapidly from 300 in 1986 to less than 100 at present due to environmental deterioration of the Yangtze River. Since it is impossible to conserve the species in the river, as many as possible of the dolphins should be collected and transferred展开更多
文摘Since 1988, the Japan Enoshima Aquarium (JEA) and the Institute of Hydrobiology of Chinese Academy of Sciences(IHCAS) have carried out long-term joint research on the conservation of Baiji dolphins (Lipotes vexillifer). According to the research, the population of Baiji dolphins has been decreasing rapidly from 300 in 1986 to less than 100 at present due to environmental deterioration of the Yangtze River. Since it is impossible to conserve the species in the river, as many as possible of the dolphins should be collected and transferred
