High rates of straying can be problematic because misdirected fish may interbreed with the existing stock to such a degree that any local adaptations that are present become diluted.
高偏离率可能是一个问题，因为被误导的鱼可能会与现有种群杂交，而这种杂交的程度会稀释现有的任何当地适应能力。
The mean weight of fish caught is also dropping, which worries the research institute greatly, though the biomass of spawning stock has increased slightly since 1985.
被捕获的鱼的平均重量也在减小，这正是研究机构大为担忧的，尽管产卵鱼的总存量从1985年以来已略微增加。
His thousand disbanded, he returned to his island home on Caprera, north of Sardinia, with his spoils of war-some coffee and sugar, a bundle of stock-fish and a box of macaroni.
他解散了红衫军，回到撒丁岛北部的卡普·雷拉岛，带回家的战利品是一些咖啡和糖、一包鱼干和一盒通心粉。
Scientists say they do not really understand why the herring stock has not rebounded. But they do believe that failure has reduced populations of seabirds that feed on the small fish.
科学家们还未完全了解鲱鱼群尚未恢复的原因，但他们确信，这已经导致了海鸟数量的降低。
Stock assessment is not only to forecast the static optimum fishing effort and sustainable yield, but also to assess the reactions of fish and fishermen to management choices and other changes.
资源评估是应用各种统计和数学方法量化地研究鱼类种群形态对渔业管理选择的反应。
Fish stock assessment is to use various statistical and mathematical methods to quantify the reactions of fish population to fisheries management choices.
资源评估是应用各种统计和数学方法量化地研究鱼类种群形态对渔业管理选择的反应。
Instead, a market is any group of buyers and sellers communicating offers to exchange goods. This definition includes the fish market and stock market, but it also encompasses more.
市场是一群买家和卖家，他们相互报盘，达到交换货物的目的。这一定义包含了鱼市，也包含了股市，不过它囊括的范围远不止此。
The fish stock characteristics in the distribution area of large jellyfish were analyzed in summer and autumn from 1999 to 2004 based on the jellyfish and fish stocks data.
本文根据1999 ~ 2004年的夏季和秋季东海区大型水母和渔业资源的状况，分析了大型水母分布区内的渔业资源特征。
Stock assessment is not only to forecast the static optimum fishing effort and sustainable yield, but also to assess the reactions of fish and fishermen to management choices and other changes.
资源评估不仅仅是预测静止的最佳捕捞努力量和持续产量，而是评估鱼类和渔民对管理决策和其它变化的动态反应。
Virtual population analysis (VPA) is one of the classic models in fish stock assessment, and is one of the main models in calculating the total allowable catch (TAC).
实际种群分析法(VPA)是渔业资源评估的经典模型之一，也是总允许捕捞配额(TAC)计算的主要模型之一。
Hello, this time for the bulk of fish leaping from Jiangxi dry stock, fish is in a stream of water. I had boiled the vegetables cooked with red pepper, very good to eat!
这段时间用以喂这只小猫的大头鱼是来自江西的干货，是小溪水里野生的鱼，以前被我用红辣椒做水煮菜，挺好吃的！
To 43 ring the changes, some of us stock up on 44 caviar, cheese, smoked fish, fresh bread, honey, yogurt and dried fruits.
为了换换口味，我们有人自带了鱼子酱、奶酪、熏鱼、新鲜面包、蜂蜜、酸奶和干果。
Surplus production models, because of their simplicit and relatively undemanding of data, are attractive tools for many fish stock assessments.
剩余产量模型因其简单和所需数据较少的特点为渔业资源评估广泛采用。
Surplus production models, because of their simplicit and relatively undemanding of data, are attractive tools for many fish stock assessments.
剩余产量模型因其简单和所需数据较少的特点为渔业资源评估广泛采用。
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