boreal

1. Greenhouse gas emissions of tar sands crude are 40 % higher than conventional oil , and the open-pit mining has devastated alberta 's boreal forest .

焦油砂的温室气体排放量比普通石油高40%，露天采矿已经极大地破坏了阿尔伯塔的北方气候带森林。

2. For a party closely tied to the oil industry , the conservatives-who won a majority on may 2nd after five years of minority government-have been surprisingly progressive in protecting boreal land .

加拿大保守党跟石油工业联系紧密，该党在五月二日在当了五年的少数派政府之后，突然出人意料的发起保护加拿大北方的运动。

3. Microscopic animals that live in soils are as diverse in the tropical forests of costa rica as they are in the arid grasslands of kenya , or the tundra and boreal forests of alaska and sweden .

无论在肯尼亚干旱草原，还是阿拉斯加州和瑞典的北方森林，其土壤的小型动物多样性都与哥斯达黎加热带森林的相当。

4. There are also some ecosystems , such as the boreal forests of canada and siberia and the amazon rainforest , which are huge absorbers of carbon dioxide , but which are changing rapidly because of temperature increases and deforestation .

也有某些生态系统象加拿大和西伯利亚的北方森林、亚马逊热带雨林，是巨大的二氧化碳吸收器，但是它们正在因为温度上升和采伐森林快速变化。

5. Soil samples were taken from 11 sites around the world , including tropical forest in costa rica , arid grassland in kenya , warm temperate forest in new zealand , shrub steppe of argentina and tundra and boreal forest of alaska and sweden .

土壤样品采集自全世界11个不同的地方，包括哥斯达黎加热带森林，肯尼亚的干旱草原，新西兰的温带森林，阿根廷的灌木草原，还有阿拉斯加和瑞典的苔原和北方森林。

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