breeding migration

基本解释

Fishery research work on eel reproduction and rearing fry in the past ten years was reviewed. It includes 1) breeding migration and ecology of reproduction;
扼要回顾了数十年来水产工作者对鳗鲡的研究成果，其中包括：鳗鲡生殖洄游和产卵生态的调查；
The pilot test result of MEOR was evaluated and the reproduction, breeding and migration of micro organism in strata, and the MEOR's mechanism were discussed.
综合评价微生物采油现场试验研究及试验效果，讨论微生物在地层中的生长繁殖、运移及提高采收率机理。
As the lakes wetlands and wetland vegetation exists, a large number of migratory bird breeding, migration and distribution here, Forming a number of "Bird Island."
由于湖泊、湿地及湿地植被的存在，大量候鸟选择在这里栖息、繁殖、迁徙集散、形成众多“鸟岛”。
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The tech will be used to map walrus migration patterns and breeding grounds.
FORBES: For Walrus Wary Russian Oil Drillers, WWF Turns To Space