| 1. | There is already evidence that such fish population changes have occurred since the mid-1960s .
已经有证据证明，自从六十年代中期，这种鱼群已有变化。
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| 2. | Coral fish populations decline in hoi ha wan marine park
海下湾海岸公园珊瑚鱼种群数目下降
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| 3. | But others are doing a good job of protecting fish populations
但是其他人正在做一项保护海洋的工作。
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| 4. | Fish population behavior and their relation to the environment variations
鱼类种群行为及其与环境变化的关系
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| 5. | The loss of coastal wetlands could certainly reduce fish populations , especially shellfish
沿岸沼泽地区消失肯定会令鱼类，尤其是贝壳类的数量减少。
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| 6. | The loss of coastal wetlands could certainly reduce fish populations , especially shellfish
沿岸沼泽地区消失肯定会令鱼类，尤其是贝壳类的数量减少。
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| 7. | Some scientists said parts of the world do have problems but others are doing a good job of protecting fish populations
一些科学家说全球的确有一部分有问题，但其他还在保护鱼类。
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| 8. | Some scientists said parts of the world do have problems , but others are doing a good job of protecting fish populations
一些科学家指出世界上的部份地区确实存在类似问题，但是其余地区在保护鱼类上成绩显著。
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| 9. | Some scientists said parts of the world do have problems , but others are doing a good job of protecting fish populations
一些科学家称，世界上的部分地区的确会有此问题，但其他地区会在保护鱼类数量上做的很好。
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| 10. | But some scientists said parts of the world do have problem , but others are doing a good job of protecting fishing populations
一些科学家说，世界上一部分海洋确实存在问题，但是一些正做很多保护鱼类数量的努力。
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