Fears are now being voiced that the planned construction of an oil pipeline across the lake's bottom might revive pollution and cause the fish population to decline again.
现在有人担心，计划修建的穿越湖底的输油管道可能会重新造成污染，导致鱼类数量再次下降。
Fish stocks in the Baltic are in decline.
波罗的海的鱼类资源逐渐减少。
It is not only tuna but sardine, mackerel and other fish that are in decline.
不仅仅是金枪鱼，沙丁鱼，鲭鱼和其他鱼类也在减少。
These fish and snails have themselves experienced a decline in population because of overfishing by humans.
由于人类的过度捕捞，这些鱼和蜗牛的数量已经有所下降了。
The decline of our fish stocks may have changed the landscape forever, but the kipper, a cold-smoked herring, still remains one of the great tastes of England.
虽然近年来我们的鱼类储量下降，可能永远无法再现曾经的风光，但冷烟熏制的熏鲱鱼仍是英格兰最美味的食物之一。
This easterly decline in species diversity is well demonstrated by birds and coral fish.
鸟类和珊瑚鱼很好地证明了东部物种多样性的退化。
Projections about future fish populations decline further, however, when coupled with forecasts about the impact of climate change.
重点部分是，伴随着气候变化对未来鱼类数量下降的影响将越来越大。
Balancing fish with the other elements of a Mediterranean diet, like fruits and vegetables, has been found to lower the chances of cognitive decline.
平衡食用鱼和地中海饮食的其它要素，比如水果和蔬菜，已经被发现可以减低认知能力下降的机会。
A handful of studies have linked fish-heavy diets with reduced risk of mental decline in old age.
多种研究表明，侧重于鱼类的饮食可降低年老时脑力下降的风险。
Another find shows that people who have taken daily, vegetables, olive oil, fish, cereal and a glass of red wine had a slower rate of cognitive decline.
此外，每天食用蔬菜、橄榄油、鱼、谷类和一杯红酒的人，其认知下降的概率更低。
Clearly, the decline in fish populations in Trias waters is the result of overfishing, not pollution.
显然，Tria水域鱼类数量的下降是过度捕鱼而不是污染造成的。
The decline of these tiny plankton will have impacted nearly all sea creatures and will also have affected fish stocks.
尽管这些浮游生物十分微小，但它们的减少几乎会影响所有的海洋生物，同时也波及鱼类资源。
The Mediterranean diet — heavy on vegetables, fish and olive oil, with moderate amounts of wine— may be associated with slower rates of mental decline in the elderly.
地中海饮食——以蔬菜、鱼类为主，用橄榄油烹制菜肴，配有适量的酒饮——或能延缓老年人精神衰弱。
Freshwater fish populations are in precipitous decline.
淡水鱼数量急剧下滑。
The researchers also found that more than half (54 percent) of the decline in the predatory fish population has taken place over the last 40 years.
研究者还发现在过去的四十年中食肉鱼类的数量减少了一半以上（54%）。
The conservation goal of the Fish and Wildlife Service over the next five years is to prevent further decline of Alaska's two polar bear populations, the southern in Beaufort and in the chukchi.
在南波弗特和楚科奇，鱼类和野生动物组织在未来五年的目标是防止阿拉斯加的北极熊两个种群进一步减少。
They believe that the steep decline in populations of many animal species, from frogs and fish to tigers, is as fast as any of the last five extinctions in the past 540 million years.
他们认为，近年来，许多动物物种数量的急剧减少，像青蛙、鱼类和老虎等等，其锐减速度赶得上过去5亿4千万年以来五次大规模物种灭绝的任意一次。
The reasons accountable for the decline of the fish resources are due to the low reproduction capacity and the long development time of the fish, overfishing and water pollution.
造成胭脂鱼资源下降的原因主要与其自身繁殖力低，发育时间长，以及过度捕捞和水域污染等因素有关。
Likely when old king fish, because of its function decline, cannot adsorption those little animals, and body scale will slowly from fish.
可能当王鱼年老时，由于自身机能的减退，就不能吸附那些小动物了，并且身上的鳞片也会慢慢地脱离鱼身。
Likely when old king fish, because of its function decline, cannot adsorption those little animals, and body scale will slowly from fish.
可能当王鱼年老时，由于自身机能的减退，就不能吸附那些小动物了，并且身上的鳞片也会慢慢地脱离鱼身。
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