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The potential harm to the ecosystem.

出自-2017年6月阅读原文

Migrating birds affect ecosystems both at home and at their winter destinations, and disrupting the traditional routes could have unexpected side effects.

出自-2017年6月阅读原文

The Millennium Ecosystem Assessment, a vast four-year global study which reported its initial conclusions earlier this year, found reasons to believe that managing ecosystems sustainably—working with nature rather than against it—might be less profitable in the short term, but certainly brings long-term rewards.

出自-2016年6月阅读原文

Sustainable management of ecosystems will prove rewarding in the long run.

出自-2016年6月阅读原文

More than a decade later, there was no sign of the ecosystem re-building itself.

出自-2016年6月阅读原文

Managing ecosystems sustainably is more profitable than exploiting them, according to the Millennium Ecosystem Assessment.

出自-2016年6月阅读原文

Companies that have long focused on hardware now have to think of ecosystems instead to give consumers practical solutions to their everyday problems.

出自-2016年12月阅读原文

From the standpoint of a traditional educator, this outcome indicated that schooling had failed to help students think about ecosystems and extinction, major scientific ideas.

出自-2015年12月阅读原文

However, a further increase in farming area without impacting unfavourably on what remains of the world's natural ecosystems appears unlikely.

出自-2013年12月阅读原文

A further expansion of farming area will adversely impact on the world's natural ecosystems

出自-2013年12月阅读原文

A decade ago, this island's ecosystem was in chaos.

2018年12月六级真题（第三套）阅读 Section A

As trees outgrow their ideal habitats in the face of climate change, these flying ecosystem engineers could be a big help in replanting trees.

2016年12月六级真题（第一套）阅读 Section A

It also highlights incidents of fishing boats being involved in groundings, oil spills and accidents, which posed a serious threat to the Antarctic ecosystem.

2019年12月六级真题（第二套）阅读 Section C

Managing ecosystems sustainably is more profitable than exploiting them, according to the millennium Ecosystem Assessment.

2016年6月六级真题（第三套）阅读 Section B

Our long-term operation in the region depends on a healthy and thriving Antarctic marine ecosystem, which is why we have always had an open dialogue with the environmental non-governmental organisations.

2019年12月六级真题（第二套）阅读 Section C

The millennium Ecosystem Assessment, a vast four-year global study which reported its initial conclusions earlier this year, found reasons to believe that managing ecosystems sustainably—working with nature rather than against it—might be less profitable

2016年6月六级真题（第三套）阅读 Section B

The study by Greenpeace analysed the movements of krill fishing vessels in the region and found they were increasingly operating "in the immediate vicinity of penguin colonies and whale feeding grounds" It also highlights incidents of fishing boats being

2019年12月六级真题（第二套）阅读 Section C

This unique ecosystem may soon be under pressure.

2017年12月六级真题（第三套）阅读 Section C

"We're bringing new blood into the old, conventional farming ecosystem, which is really cool to see," Collins explains.

2019年12月六级真题（第三套）阅读 Section B

By connecting directly with customers, and by responding quickly to changes in the markets as well as in the ecosystems (生态系统), small farmers can keep one step ahead of the big guys.

2018年高考英语江苏卷 阅读理解 阅读C 原文

Ideally, the system would tell us when to adapt human activities that are pushing an ecosystem toward a breakdown.

2019年高考英语天津卷 阅读理解 阅读C 原文

It is the rules governing food webs of the ecosystems.

2019年高考英语天津卷 阅读理解 阅读C 选项

Mathematical models have also revealed that food webs may be unstable, where small changes of top predators can lead to big effects throughout entire ecosystems.

2019年高考英语天津卷 阅读理解 阅读C 原文

Phytoplankton play a declining role in the marine ecosystem.

2019年高考英语北京卷 阅读理解 阅读D 选项

Prevention is key, scientists says because once ecosystems pass their tipping point, it is remarkably difficult for them to return.

2019年高考英语天津卷 阅读理解 阅读C 原文

This view is especially evident on kilimanjaro as climbers go through five ecosystems in the space of a few kilometers.

2019年高考英语全国卷I 完形填空 原文

Uncontrolled human activities greatly upset ecosystems.

2019年高考英语天津卷 阅读理解 阅读C 选项

They did not always prioritize the protection of Mauna Kea’s fragile ecosystems or its holiness to the island’s inhabitants.

出自-2017年考研阅读原文

The success of Sci-Hub, which relies on researchers passing on copies they have themselves legally accessed, shows the legal ecosystem has lost legitimacy among its users and must be transformed so that it works for all participants.

2020年考研真题（英语一）阅读理解 Section Ⅱ