Investigation and Analysis on the Resources of Eriocheir sinensis′Larvae in the Changjiang Estuary of Shanghai Region

Abstract

Abstract: The relationship between the amount of Eriocheir sinensis'larvae and various factors is analysed in this paper.It is observed that in recent years,the amount of Eriocheir sinensis'larvae is obviously decreased.Besides the influence of water conservancy project,the changes of Changjiang estuary and the pollution of water-body,over-catching of crab's parents is a very important factor.It is suggested that not only the ecological environment of Changjiang estuary,but also the spawning site and spawning parents of Eriocheir sinensis should be protected.

Key words: Urban forest, Ecology

Shi Ming, Zhu Longbiao. Investigation and Analysis on the Resources of Eriocheir sinensis′Larvae in the Changjiang Estuary of Shanghai Region[J]. cje, 1986, (4): 12-15.

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Investigation and Analysis on the Resources of Eriocheir sinensis′Larvae in the Changjiang Estuary of Shanghai Region

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