1) pond ecology
池塘生态学
3) membrane-covered ecological pool
膜覆盖生态池塘
4) pond ecosystem
池塘生态系统
1.
There are seven components in the pond ecosystem in Sanjiang plain, they are phytoplankton, zooplankton, lavar of mosquito, siler carps, bighcads, carps, as well as organic mate-rials.
三江平原池塘生态系统有7个组分：浮游植物，浮游动物，摇蚊幼虫，鲢鱼，鳙鱼，鲤鱼和有机碎屑，可用一组对时间七目微分方程组表示池塘生态系统能量流动的过程，即：根据对池塘生态系统能量流动的分室模型进行输入扰动，分析表明：浮游植物光能利用率的提高及投料的增加可使鱼产量大幅度提高。
5) model pond ecosystem
模型池塘生态系统
1.
To study the effect of oxytetracycline residue on metabolization of model pond ecosystem, four experimental ponds added with different concentrations of oxytetracycline and one for CK were established with ecological methods.
按生态学方法建立和培育模型池塘生态系统,选择符合要求的生态池,设立一个空白对照池和4个不同浓度用药池,用药后定期观测生态池溶解氧(DO)、pH值、初级生产力(P/R)等参数的变化。
2.
The variations of the structure and function of model pond ecosystem under different DMAH concentrations were tested.
报道了单甲脒对模型池塘生态系统结构与功能影响的研究结果。
3.
This paper deals with the effect of N-1, 2-dimethylpheny1-N-methyl formamidine hydrochloride (DMAH)on algal community structure in model pond ecosystems of 3m3 within 90 days.
０ｍｇ／Ｌ的浓度范围内，单甲脒农药对模型池塘生态系统中的浮游植物群落结构有明显影响。
6) Enclosures in saline alkaline ponds
盐碱池塘围隔生态系统
补充资料：昆虫个体生态学(见昆虫生态学)
昆虫个体生态学(见昆虫生态学)
昆虫个体生态学见昆虫生态学
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