蒋霞敏 王春琳" /> 食物条件对日本蟳幼体存活与变态的影响
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食物条件对日本蟳幼体存活与变态的影响

蒋霞敏 王春琳   

  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2004-01-18

  • Received:1900-01-01 Revised:1900-01-01 Online:2004-01-18

摘要: This paper studied the effects of different kind and density of baits and different starvation duration on Charybdis japonica larvae. The results showed that the preferable baits of zoaea-1 were Chaetoceros sp. and Isochysisgalbana, and their proper feeding density were 20 × 10^4 cell· ml^-1. The preferable bait of the larvae after zoaea-1 was Artemia salina nauplius, and its proper feeding density for zoaea-2 and zoaea-3 was 2 - 3 ind· ml^-1. The point of no-return for zoaea-1 of Charybdisjapoptica was about 66 hours. 18 hours starvation did not affect the growth of the larvae, but their livability would be decreased, and their metamorphism would be suspended along with the starvation duration.

关键词: 磷肥, 镉, 土壤, 植物有效性, 水稻

Key words: phosphorous fertilizer, cadmium, soil, phytoavailability, rice.