gain631
发表于 2025-3-25 03:49:31
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entitle
发表于 2025-3-25 09:46:55
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断断续续
发表于 2025-3-25 11:38:44
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狗舍
发表于 2025-3-25 18:13:13
Population Size and Fluctuationsish removed therefrom (fishing mortality) can be obtained from landing statistics. The question then is what portion of the total stock is not being harvested by the fishery? That is, how many are uncaught, or have escaped the fishery, remain to breed, and sustain the stock. Also, the remaining fish
CAB
发表于 2025-3-25 23:28:47
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Confirm
发表于 2025-3-26 03:04:19
Food and Nonfood Fisheriesly amino acids needed by humans, in balanced amounts. Studies sponsored by the American Heart Association show that diets high in fish result in lower rates of coronary attacks in middle-aged men. This reflects the beneficial polyunsaturated oils in seafoods that also have a high content of certain
DIS
发表于 2025-3-26 05:07:59
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Paleontology
发表于 2025-3-26 11:56:54
Sea Farming (Aquaculture)as early as 2000 B.C. in the Far East. Optimistic articles predicting that sea farming or pond culture would soon provide seafoods cheaply and in controlled situations—a “new found” protein source—that would literally feed the world. As time passed few examples of aquaculture success were reported i
Flu表流动
发表于 2025-3-26 16:02:21
Management Objectivesdes the information that allows scientists to understand the dynamics of fish populations, and in turn permits opportunities for managing fish stocks for maximum yields. Thus, successful fisheries management requires that fisheries administrators have access to reasons for population fluctuations, e
Entrancing
发表于 2025-3-26 18:41:06
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