intrinsic rate of increase 中文意思是什麼
intrinsic rate of increase
解釋
內在增長率-
In this paper two - generation reproduction toxicity of fenvalerate, a - cypermethrin, chlorpyrifos, and triazophos was tested in a 21d period with water flea, daphnia magna, . the toxicity indicator included longevity, body length, days to first brood, days to first pregnancy, number of youth per female, intrinsic rate of natural increase ( r ), and number of broods per female. accordingly, the dose - response relations and relations between the chronic responses and enzyme levels were investigated
為了確定水蚤體內生化指標與慢性毒害效應之間的關系,特別是在低濃度暴露狀態下生化指標改變的生物學意義,以便能更準確預測早期農藥對水蚤種群的潛在危害,本文以浙江省常用殺蟲劑氰戊菊酯、高效氯氰菊酯、三唑磷和毒死蜱進行了大型蚤( d . magna )的急性和慢性毒性試驗(包括子代水蚤的恢復試驗) 。 -
The the generation survival rate, fecundity and population trend index attained their respective maximun values at 26. in the tested temperature range, both intrinsic rate of increase ( rm ) and finite rate of
在5個溫度條件下,內稟增長力( rm )和周限增長速率( )均隨溫度的升高而增大,至34時最大,分別為0 . 175和1 . 191 。
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