That matters because theory suggests that the maximum sustainable yield that can be cropped from a fishery comes when the biomass of a target species is about 50% of its original levels.

这确有其事，因为理论告诉我们如果场的总储量如果连起初的最可承受的捕鱼量的50％都到，就应该降低捕鱼数量了。

At the end of the day, if I had the opportunity, another vessel big enough to go to France and exploit their fishing grounds which yielded a lot more cash.

在天结束的时候，如果我有机会，另艘足够的船只可以去法国并开发他们的场，从而产生了更多的现金。

I expected to swim with dolphins but I'm now managing a fish farm.

我曾憧憬能和海豚共游，现在却在管理场。

Japanese officials said a different North Korean vessel informed them of the incident which occurred in an area known as the Yamato Shallows, a rich fishing ground. It's unclear why the boat capsized.

日本官员称，另艘朝鲜船只向他们通报称雅玛多浅滩发生了起事故，该海域是富饶的场。目还清楚船倾覆的原因。

The negative side to that seaweed is if it comes in the concentrations that are believed, we're going to see our fishing grounds are going to be completely covered with it.

这种海藻的负面影响是，如果海藻浓度达到我们所认为的水平，我们的场就会被它完全覆盖。

Most fisheries are well below that, which is a bad way to do business.

多数场远远低于这数，这是对以后的捕鱼业非常利的。

Here, the fishing is good, and there's plenty of room to live large.

这里，场很好，有足够的空间供型生物生存。

To assess the survival rates of killer whales in lean years, the study examined census data for two populations, of Washington State and British Columbia, as well as annual catch numbers from chinook salmon fisheries in the Pacific Northwest.

为了评估虎鲸在淡季的存活率，该研究调查了美国华盛顿州和加列颠哥伦比亚省沿岸两虎鲸种群的统计数据，以及太平洋西北部奇努克鲑鱼场的年度捕获量。

Until recently we left deep water fish alone, but as coastal fisheries became depleted, fishermen went further out to sea, where they found a lot of large tasty fish.

以，我们并怎么干涉深海鱼，但最近，海岸的捕场资源耗尽，民们出海去到远处的海，发现了很多美味的鱼。

After completing his studies, Issaka plans to return to Niger to set up a fish farm in an area where his family has worked as fishermen for generations.

伊萨卡计划完成学业后返回尼日尔，在其家族世代从事民工作的地方建立座场。

Small-scale fisheries that are essential to communities in Mexico and Peru often use gillnets, which unintentionally capture and kill hundreds of sea turtles each year.

墨西哥和秘鲁的小型场对当地社区至关重要，这些场会使用刺网捕鱼，每年都会意外捕获和杀死上百只海龟。

Well, they had - they actually were - one of the big sticking points, believe it or not, David, was a matter of fish at fishing grounds.

双方之间存在争执焦点，卫，信信由你，焦点是场捕鱼问题。

Mr. Velings says China produces more fish on farms than any other country. He says there are very few fish farms in the United States.

伟林斯说中国农场养殖的鱼类比任何其他国家都要多，他说美国的场很少。

Since 2020, China has implemented voluntary fishing bans on key high seas fishing grounds in the southwest Atlantic and east Pacific, according to the ministry.

2020 年以来，我国在西南西洋、东太平洋等公海重点场，实行自主休措施。

Nitrates are abundant at the surface in both places, which is why they are among the world's richest fishing grounds.

这两地区的海面都有丰富的硝酸盐，这也是为什么这两处是世界上最场的原因。

Fishermen are stewards of the environment and they want to protect the fishing grounds that they make a living on.

民是环境的管理者，他们想要保护他们赖以生存的场。

Launched at length upon these almost final waters, and gliding towards the Japanese cruising-ground, the old man's purpose intensified itself.

终于驶入了差多可以说是此行最后的水域，船向日本的巡游场缓缓进，这老人的意志越发坚定起来。

This is not only a natural fishing ground, and home to many fishermen, but also a paradise for photographers.

这里仅仅是民世代赖以生存的天然场也是量摄影爱好者的乐园。

Huge numbers of dead fish have appeared at fish farms and along the central coast since April 6.

4月6日以来，场及中部沿海的鱼类出现了规模死亡。

Seagrasses are nurseries to a fifth of the world's largest fisheries and are shelters for thousands of species.

海草为全世界五分之的型场提供养分，也是成千上万物种的庇护所。