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BorisWormofDalhousieUniversityinNovaScotia,Canada,ledtheinternationalteamthatdidthest...
Boris Worm of Dalhousie University in Nova Scotia, Canada, led the international team that did the study. Professor Worm says species have recently been disappearing from oceans at an increasing speed. At this rate, he says, all seafood species could break down by two thousand forty – eight.
Other studies have also warned about the dangers of overfishing and the effects on ocean environments. But not everyone thinks the oceans are likely to be empty in fifty years. Some scientists said parts of the world do have problems, but others are doing a good job of protecting fish populations. Government officials in several countries with large fishing industries also questioned the research.
The study appeared earlier this month in Science magazine.
The researchers say damage to oceans affects not only fish populations but also the productivity of ecosystems(生态系统). These complex systems help control water quality. The scientists say the loss of different kinds of sea life appeared to increase the risk of fish kills and beach closures from harmful algae(藻类)growth.
The scientists examined the results of thirty – two experiments and observed forty – eight protected areas. They also looked at records of catches worldwide. They studied records from the United Nations Food and Agriculture Organization for nineteen fifty to two thousand three.
And they examined archeological information and other historical records for twelve coastal areas. That research reached back over a thousand years.
Boris Worm says the findings were, in his words, “beyond anything we suspected.” But he also said the situation is not too late to correct. He said that with good fisheries management, some species could completely recover in three to ten years.
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Other studies have also warned about the dangers of overfishing and the effects on ocean environments. But not everyone thinks the oceans are likely to be empty in fifty years. Some scientists said parts of the world do have problems, but others are doing a good job of protecting fish populations. Government officials in several countries with large fishing industries also questioned the research.
The study appeared earlier this month in Science magazine.
The researchers say damage to oceans affects not only fish populations but also the productivity of ecosystems(生态系统). These complex systems help control water quality. The scientists say the loss of different kinds of sea life appeared to increase the risk of fish kills and beach closures from harmful algae(藻类)growth.
The scientists examined the results of thirty – two experiments and observed forty – eight protected areas. They also looked at records of catches worldwide. They studied records from the United Nations Food and Agriculture Organization for nineteen fifty to two thousand three.
And they examined archeological information and other historical records for twelve coastal areas. That research reached back over a thousand years.
Boris Worm says the findings were, in his words, “beyond anything we suspected.” But he also said the situation is not too late to correct. He said that with good fisheries management, some species could completely recover in three to ten years.
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鲍里斯蜗杆的Dalhousie大学在加拿大新斯科舍省,带领团队,没有国际的研究。蜗杆教授说,最近已物种消失海洋日益加快。按照这种速度,他说,所有的海鲜品种可以打破由2000 48 。
其他研究也警告的危险,过度捕捞和海洋环境的影响。但是,并非所有人都认为,海洋很可能是空的五十年。一些科学家说,世界各地也有问题,但其他人做好保护鱼类种群。政府官员在若干国家大型捕鱼业的研究也提出质疑。
这项研究本月初在科学杂志。
研究人员表示,破坏海洋不仅影响鱼类的数量,而且还的生产力的生态系统(生态系统) 。这些复杂的系统,帮助控制水质。科学家们说,损失的不同种类的海洋生物出现的风险增加鱼类死亡和海滩关闭有害藻类(藻类)的增长。
科学家们研究的结果, 32实验和观察48保护区。他们还考察了全世界记录的渔获物。他们研究的记录由联合国粮食和农业组织的1950年至2000三年。
他们研究的考古资料和其他历史记录的12沿海地区。这项研究达成回到了1000年。
鲍里斯蠕虫的研究结果说,用他的话说, “我们以后任何怀疑。 ”但他也表示,情况还不算太晚正确。他说,良好的渔业管理,一些物种可能会完全恢复, 3至10年。Boris Worm of Dalhousie University in Nova Scotia, Canada, led the international team that did the study. Professor Worm says species have recently been disappearing from oceans at an increasing speed. At this rate, he says, all seafood species could break down by two thousand forty – eight.
Other studies have also warned about the dangers of overfishing and the effects on ocean environments. But not everyone thinks the oceans are likely to be empty in fifty years. Some scientists said parts of the world do have problems, but others are doing a good job of protecting fish populations. Government officials in several countries with large fishing industries also questioned the research.
The study appeared earlier this month in Science magazine.
The researchers say damage to oceans affects not only fish populations but also the productivity of ecosystems(生态系统). These complex systems help control water quality. The scientists say the loss of different kinds of sea life appeared to increase the risk of fish kills and beach closures from harmful algae(藻类)growth.
The scientists examined the results of thirty – two experiments and observed forty – eight protected areas. They also looked at records of catches worldwide. They studied records from the United Nations Food and Agriculture Organization for nineteen fifty to two thousand three.
And they examined archeological information and other historical records for twelve coastal areas. That research reached back over a thousand years.
Boris Worm says the findings were, in his words, “beyond anything we suspected.” But he also said the situation is not too late to correct. He said that with good fisheries management,some species could completely recover in three to ten years.
其他研究也警告的危险,过度捕捞和海洋环境的影响。但是,并非所有人都认为,海洋很可能是空的五十年。一些科学家说,世界各地也有问题,但其他人做好保护鱼类种群。政府官员在若干国家大型捕鱼业的研究也提出质疑。
这项研究本月初在科学杂志。
研究人员表示,破坏海洋不仅影响鱼类的数量,而且还的生产力的生态系统(生态系统) 。这些复杂的系统,帮助控制水质。科学家们说,损失的不同种类的海洋生物出现的风险增加鱼类死亡和海滩关闭有害藻类(藻类)的增长。
科学家们研究的结果, 32实验和观察48保护区。他们还考察了全世界记录的渔获物。他们研究的记录由联合国粮食和农业组织的1950年至2000三年。
他们研究的考古资料和其他历史记录的12沿海地区。这项研究达成回到了1000年。
鲍里斯蠕虫的研究结果说,用他的话说, “我们以后任何怀疑。 ”但他也表示,情况还不算太晚正确。他说,良好的渔业管理,一些物种可能会完全恢复, 3至10年。Boris Worm of Dalhousie University in Nova Scotia, Canada, led the international team that did the study. Professor Worm says species have recently been disappearing from oceans at an increasing speed. At this rate, he says, all seafood species could break down by two thousand forty – eight.
Other studies have also warned about the dangers of overfishing and the effects on ocean environments. But not everyone thinks the oceans are likely to be empty in fifty years. Some scientists said parts of the world do have problems, but others are doing a good job of protecting fish populations. Government officials in several countries with large fishing industries also questioned the research.
The study appeared earlier this month in Science magazine.
The researchers say damage to oceans affects not only fish populations but also the productivity of ecosystems(生态系统). These complex systems help control water quality. The scientists say the loss of different kinds of sea life appeared to increase the risk of fish kills and beach closures from harmful algae(藻类)growth.
The scientists examined the results of thirty – two experiments and observed forty – eight protected areas. They also looked at records of catches worldwide. They studied records from the United Nations Food and Agriculture Organization for nineteen fifty to two thousand three.
And they examined archeological information and other historical records for twelve coastal areas. That research reached back over a thousand years.
Boris Worm says the findings were, in his words, “beyond anything we suspected.” But he also said the situation is not too late to correct. He said that with good fisheries management,some species could completely recover in three to ten years.
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鲍里斯蜗杆的Dalhousie大学在加拿大新斯科舍省,带领团队,没有国际的研究。蜗杆教授说,最近已物种消失海洋日益加快。按照这种速度,他说,所有的海鲜品种可以打破由2000 48 。
其他研究也警告的危险,过度捕捞和海洋环境的影响。但是,并非所有人都认为,海洋很可能是空的五十年。一些科学家说,世界各地也有问题,但其他人做好保护鱼类种群。政府官员在若干国家大型捕鱼业的研究也提出质疑。
这项研究本月初在科学杂志。
研究人员表示,破坏海洋不仅影响鱼类的数量,而且还的生产力的生态系统(生态系统) 。这些复杂的系统,帮助控制水质。科学家们说,损失的不同种类的海洋生物出现的风险增加鱼类死亡和海滩关闭有害藻类(藻类)的增长。
科学家们研究的结果, 32实验和观察48保护区。他们还考察了全世界记录的渔获物。他们研究的记录由联合国粮食和农业组织的1950年至2000三年。
他们研究的考古资料和其他历史记录的12沿海地区。这项研究达成回到了1000年。
鲍里斯蠕虫的研究结果说,用他的话说, “我们以后任何怀疑。 ”但他也表示,情况还不算太晚正确。他说,良好的渔业管理,一些物种可能会完全恢复, 3至10年。
其他研究也警告的危险,过度捕捞和海洋环境的影响。但是,并非所有人都认为,海洋很可能是空的五十年。一些科学家说,世界各地也有问题,但其他人做好保护鱼类种群。政府官员在若干国家大型捕鱼业的研究也提出质疑。
这项研究本月初在科学杂志。
研究人员表示,破坏海洋不仅影响鱼类的数量,而且还的生产力的生态系统(生态系统) 。这些复杂的系统,帮助控制水质。科学家们说,损失的不同种类的海洋生物出现的风险增加鱼类死亡和海滩关闭有害藻类(藻类)的增长。
科学家们研究的结果, 32实验和观察48保护区。他们还考察了全世界记录的渔获物。他们研究的记录由联合国粮食和农业组织的1950年至2000三年。
他们研究的考古资料和其他历史记录的12沿海地区。这项研究达成回到了1000年。
鲍里斯蠕虫的研究结果说,用他的话说, “我们以后任何怀疑。 ”但他也表示,情况还不算太晚正确。他说,良好的渔业管理,一些物种可能会完全恢复, 3至10年。
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