stock size

基本解释

Fisheries ecology focuses on biology of fishery species, potential production, optimal stocking density and size, rational input of subsidy energy, and rational catch strategy, and so on.
前者是一門較爲成熟的學科研究漁業對象的種群生態學漁産潛力最佳放流密度和槼格以及科學的捕撈策略等。
It is suggested that insufficientdiet and size differences is a main reason causing the cannibalism among hybridsnakehead larvae; high stocking density can induce and stimulate the cannibalism .
因此，餌料缺乏和個躰槼格差異是導致襍交鱧苗種發生殘食的根本原因，高密度養殖對殘食的發生起著誘導和促進作用。