1) fishpond ecosystem
鱼塘生态系统
1.
The characteristics of movement,transformation and accumulation of Cu and Pb in a fishpond ecosystem composed of sediment,water,algae and fish(crucian carp,Carassius auratus and silver carp,Hypophthalmichthys molitrix) were studied for three months.
由底泥、水体、藻类和鱼类组成的鱼塘生态系统中,重金属可通过沉积、释放、积累、排泄等复杂过程构成其在生态系统内的迁移转化。
2) Embanked fish-pond ecosystem
围滩鱼塘生态系统
3) ecological fish pond
生态鱼塘
1.
A comprehensive treatment of sewage from large-scale duck farm by solid-liquid separation/mesophilic anaerobic fermentation/ecological fish pond is put foreword.
提出以固液分离、厌氧中温发酵和生态鱼塘工艺对规模化畜禽养殖场污染物进行综合治理。
4) flood controlling
垛-塘生态系统
5) dike-pond ecosystems
基塘生态系统
1.
benefits and soil characteristics of dike-pond ecosystems.
研究了基塘生态系统的形成、结构特点、效益及土壤特征。
6) 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。
补充资料：鱼塘
1.鱼池。
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