3) juvenile grass carp
草鱼种
1.
The result showed that cholinesterase (ChE) activity in blood of juvenile grass carp decreased after being treated by Miechongjing, the time of the low value of ChE activity appeared earlier with the increase of the Miechongjing concentration and that the reactivation of ChE activity was faster from 0.
试验表明，草鱼种在灭虫精处理后，血液胆碱酯酶（ＣｈＥ）活力降低，并随其浓度的升高而其峰值出现时间相应提前。
2.
Theresults showed that the oxygen consumption rate increased when P(NO-N)/mg·L-1 ranged horn 0 to 4 with thehighest value and second highest value at 1 and 4 respectively, and that the juvenile grass carp exposed to NO-N got adaption after recovery for 21 d.
通过测定全血红蛋白和高铁血红蛋白及耗氧率，研究了草鱼种在NO－N作用下的生理变化和对NO－N的适应性,结果表明：ρ（NO－N）在O～4mg·L－1范围内可使草鱼种耗氧率增加，并于1mp·L－1和4mg·L－1处出现峰值和次峰值；经暴露处理的鱼种在恢复21d后，显示出对NO-N的适应性。
5) planting grass and fish culture
种草养鱼
1.
This paper analyzed the main feature of planting grass and fish culture,which is one of the ecoagricultural production modes with the character of environment-friend and sustainable devel- opment.
本文分析了种草养鱼作为典型的环境友好、可持续发展的生态农业生产模式的主要特点。
6) fish population
鱼类种群
1.
Based On the field survey and data analysis,the fish species,distribution features and the current situation and variation of fish population are analyzed,the suggestions of fish population and resources protection are proposed.
根据乌梁素海实地调查和资料分析 ,对乌梁素海鱼类种类、区系特征、鱼类种群现状及变化进行分析 ,并提出保护鱼类种群及鱼类资源的建
补充资料：种群增长率(见种群出生率)
种群增长率(见种群出生率)
种群增长率见种群出生率。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条