[生态] 北极生态系统

arctic ecosystem的用法和样例:

例句

  1. While melting in the Arctic might cause problems for plans and animals at lower latititudes, it's creating a downright sunny situation for Arctic biota.北极的冰雪融化现象或许会给生活在低纬度的动植物带来诸多问题,同时也令北极生态区完全沐浴在明媚灿烂的阳光之中。

At the top of the world, under the ice, lies a large number of natural resources. Gas, coal, uranium and other minerals, even diamonds, sit under the ice inside the Arctic Circle. As climate change pushes the cold and ice farther north each year, dis

发表于:2018-12-07 / 阅读(171) / 评论(0) 分类 2017年VOA慢速英语(八)月

Oil Giants Eye Arctic Reserves Last winter in the Arctic, the Russian tanker Renda carved its way to the remote Alaskan port of Nome. Not long ago this voyage - made in December and January - would have been impossible. The warming climate means thin

发表于:2018-12-16 / 阅读(160) / 评论(0) 分类 VOA标准英语2012年(九月)

The Arctic's Anti-Snowball Snowball Effect 北极的反雪球效应 Last Christmas, Santa Claus must have been loading his sleigh in a t-shirt and shorts. Temperatures at the North Pole crept up toward the freezing point when they should have been mi

发表于:2018-12-24 / 阅读(158) / 评论(0) 分类 2017年科学美国人(七)月

By Paul Sisco Washington 31 October 2007 A team of British explorers has announced they are going to the North Pole to measure the ice cap's thickness. The expedition, a collaboration of Cambridge University in Britain and a U.S. Navy oceanography sc

发表于:2019-01-03 / 阅读(193) / 评论(0) 分类 2007年VOA常速英语(十月)

By Kurt Achin Seoul 26 July 2007 South Korea says kidnappers who killed a South Korean hostage in Afghanistan will be held accountable for their actions. As family and friends of the victim mourn, South Korean negotiators are trying to save the lives

发表于:2019-01-11 / 阅读(223) / 评论(0) 分类 2007年VOA标准英语(七月)

Earths Arctic Ice Disappears, Scientists Study Nearest Exoplanet Each year, more ice disappears from the Arctic Ocean. A new study blames human activity for the loss. The damage is caused, the study says, by greenhouse gases coming from vehicles, air

发表于:2019-01-12 / 阅读(538) / 评论(0) 分类 2016年VOA慢速英语(十一)月

Dire Warnings Issued on Diminishing Arctic Ice Polar bears hunt seals from sea ice, but could drown if forced to swim long distances in open water. Satellite photos released by Americas space agency, NASA, illustrate the daunting threat to such bears

发表于:2019-01-13 / 阅读(213) / 评论(0) 分类 VOA标准英语2012年(九月)

New Movie Boosts Campaign to Save Polar Bears Polar bears are in trouble. Scientists say only 20,000 remain, and their long term survival could be at risk. The new IMAX movie, To the Arctic, is narrated by actress Meryl Streep. The movie tells the st

发表于:2019-01-13 / 阅读(184) / 评论(0) 分类 VOA标准英语2012年(五月)

Alaskan Wins Environmental Prize for Opposing Offshore Drilling Saving her village traditions means everything to community activist Caroline Cannon. This includes the annual hunt for one bowhead whale, in which villagers use wood-framed boats covere

发表于:2019-01-13 / 阅读(181) / 评论(0) 分类 VOA标准英语2012年(四月)

A discovery of a mummified forest that's between two and 10 million years old is giving scientists a new window on climate change. Joel Barker, a research scientist at the Byrd Polar Research Center at the Ohio State University, discovered the mummif

发表于:2019-01-13 / 阅读(171) / 评论(0) 分类 VOA标准英语2010年(十二)月

Arctic Ice Melting Faster Than Predicted As government officials from eight Arctic nations - the United States, Russia, Canada, Sweden, Finland, Denmark, Norway and Iceland - prepare to meet in Greenland next week to discuss the challenges of climate

发表于:2019-01-14 / 阅读(203) / 评论(0) 分类 VOA标准英语2011年(五月)

STEVE INSKEEP, HOST: We have a kind of ghost story next. It's the backstory of a discovery. Three years ago on this program, we placed a phone call to the journalist Paul Watson. He was on an icebreaker, a ship in the Arctic with the aid of a helicop

发表于:2019-01-16 / 阅读(208) / 评论(0) 分类 2017年NPR美国国家公共电台3月

The Greenland High Arctic is a bare, sparse place. Rather than tall trees, it has tundraground hugging vegetationand rugged, Lord-of-the-Rings-style vistas. Well I don't know, it's not exactly New Zealand, but kind of similar landscape. Mikko Tiusane

发表于:2019-01-17 / 阅读(213) / 评论(0) 分类 2016年Scientific American(十)月

By Cynthia Kirk ENVIRONMENT REPORT - April 26, 2002: Arctic Refuge Drilling This is the VOA Special English ENVIRONMENT REPORT. The Democratic-controlled United States Senate has voted to block explor

发表于:2019-01-30 / 阅读(222) / 评论(0) 分类 健康与环境

By Paul Sisco Washington, DC 01 February 2008 Scientists know that the waters north of Greenland, around the Arctic Circle, significantly influence global weather patterns. But until recently, they only have been able to measure the region's deep oce

发表于:2019-01-31 / 阅读(204) / 评论(0) 分类 VOA常速英语2008年(二月)

Northeast Arctic cod, usually found in the Barents Seas, have been traveling up to the archipelago of Svalbard for the past three years. Off the coast of Longyearbyen, a Norwegian city located just 1,300 kilometers from the North Pole, scientists are

发表于:2019-02-05 / 阅读(180) / 评论(0) 分类 英语新闻

As government officials from eight Arctic nations - the United States, Russia, Canada, Sweden, Finland, Denmark, Norway and Iceland - prepare to meet in Greenland next week to discuss the challenges of climate change, a report released May 4, 2011 un

发表于:2019-02-06 / 阅读(217) / 评论(0) 分类 英语新闻

REYKJAVIK, Aug. 18 (Xinhua) -- China will launch its first international Arctic cooperation and research institute in Shanghai, sources attending a Sino-Iceland workshop told reporters here. The workshop on Arctic studies was held Friday as part of t

发表于:2019-02-18 / 阅读(177) / 评论(0) 分类 英语新闻

U.S. Secretary of State Hillary Clinton is expected to join fellow foreign ministers from the eight-nation Arctic Council on Thursday in Greenland's capital, Nuuk, for a meeting on polar region issues, including the receding Arctic ice cap. The meeti

发表于:2019-02-18 / 阅读(157) / 评论(0) 分类 英语新闻

LULU GARCIA-NAVARRO, HOST: People who grew up in the Arctic have seen dramatic effects - the dramatic effects of climate change during their lifetimes. One example - the northernmost town in the United States used to have a coastline that was edged w

发表于:2019-02-21 / 阅读(177) / 评论(0) 分类 2018年NPR美国国家公共电台12月
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