饵料对河蟹溞状幼体变态发育的影响
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S968.25

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The effects of different diet on metamorphosis and development of Eriocheir si nensis zoeae larvae
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    摘要:

    报道饵料对河蟹状幼体 ( Z1~ Z3)变态的影响。结果表明 :梅尼小环藻是 Z1的适口饵料 ,适量投喂浓度为 80万个 /ml至 1 0 0万个 /ml;投喂衣藻或小环藻与衣藻的等浓度混合饵料都不能使 Z1顺利变态为 Z2 。2 0个 /ml褶皱臂尾轮虫密度是适于 Z2 的饵料密度 ,轮虫密度低于 5个 /ml或高于 40个 /ml都对 Z2 的变态有不良影响。另外 ,投喂 60万个 /ml小环藻加 2 0个 /ml轮虫混合饵料对 Z2 变态发育更为有利 ;而用 2 0万个 /ml衣藻加 2 0个 /ml轮虫投喂 Z2 ,却使 Z2 的变态率明显降低。 30个 /ml轮虫密度是适于 Z3的饵料密度 ,轮虫密度低于 2 0个 /ml或高于 40个 /ml都会对 Z3变态产生不良影响。

    Abstract:

    This paper was reported that effects of different diet on the metamorphosis of Eriocheir sinensis zoeae larvae. The results showed that Cyclotella meneghiniana was suitable diet for the Z 1 larvae, Suited feeding density of diet was form 800 000 ind/ml to 1 000 000 ind/ml. Chlamydomonas sp. wasn't suitable diet for the Z 1 larvae, It didn't successfully make the Z 1 larvae metamorphose that fed mixture with C. sp. and C.meneghiniana to the Z 1 larvae. That fed the Brachinous plicatilis density w...

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尹绍武,王德安.饵料对河蟹溞状幼体变态发育的影响.生态学报,2003,23(4):725~730

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