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Chinese Journal of Applied Ecology ›› 1996, Vol. 7 ›› Issue (s1): 93-98.

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Embryonic development of Neosalanx oligodontis and its relation with temperature

Gong Shiyuan1, Zhang Xunpu1, Song Zhixiu1, Zhu Ziyi1   

  1. Huazhong Agricultural University, Wuhan 430070
  • Received:1995-10-20 Revised:1996-03-20 Online:1996-12-25 Published:1996-12-25

Abstract: When average water temperature is 14.2, 15.6,16.5,23.4 and 24.5℃,the incubationtime of Neosalanx oligodontis is 142, 119,108,68 and 61 hours in turn.Its embryonic development can be divided into ten stages. The relationship between temperature and incubation time is expressed as H=6861.1988 T-1.4717,and that between accumulated temperature and incubation time is H=1.6081×10-8A3.0151.

Key words: Neosalanx oligodontis, Embryonic development, Temperature, autumn continuous rain, basin area of Sichuan Province, agriculture, risk evaluation