soil-凯发k8官网

10-10-20 clear-cut logging and related road-building in the 1950s and 1960s in southern oregon's siskiyou mountains disrupted（破坏，分裂） soil stability and led to unprecedented soil erosion made worse during heavy rainstorms, report university of oregon r...

10-09-24 across the globe, the diversity of plant and animal species generally increases from the north and south poles towards the equator（赤道） but surprisingly that rule isn't true for soil bacteria, according to a new study by queen's university biolog...

10-09-08 rising sea levels and coastal development are threatening coastal freshwater wetlands with saltwater intrusion（侵入，闯入） . while most ecosystem restoration projects have focused on surface water and groundwater, new research finds that condition...

10-05-24 the mineral-breathing bacteria found in many oxygen-free environments may be carbon-breathing as well. oxygen-free, or anaerobic（厌氧的） , environments contain microbes sometimes described as mineral-breathing because they use iron oxides and othe...

10-05-06 among the worrisome（令人烦恼的，麻烦的） environmental effects of global warming is the thawing of arctic permafrost（永久冻土） ---soil that normally remains at or below the freezing point for at least a two-year period and often much longer. moni...

10-04-27 in dark, rich soils on every continent, microbes（细菌，微生物） dealing with the effects of climate change aren't accelerating（促进的，加速的） global warming the way scientists had predicted, a study by researchers at the university of california...

10-03-21 beijing has been shrouded in orange dust as a strong sandstorm blew hundreds of miles from drought-struck northern china to the nation's capital. 北京昨日被笼罩在桔黄色的沙尘中，据悉这股强沙暴来自于数百英里外的中国北方干旱地区。 beijing's tiananmen...

09-11-11 madison, wi, november 9, 2009 -- agricultural soils accumulate（积聚，堆积） trace metals（微量重金属）, particularly copper and zinc（锌）, as a result of their presence in wastes ( sewage脏水，污水 biosolids生物固体 and m anures肥料 ) and fungicid...

09-10-21 the us senate has voted to continue to allow guantanamo inmates to be tried on us soil, removing a hurdle as the obama administration seeks to close the camp. 美国参议院投票通过允许关塔那摩湾囚犯在美国国土继续服役的决议，扫除了奥巴马政权试图关闭该拘...

09-09-24 a strategy to protect the health of england's soils and ensure they continue to store carbon dioxide, will be published by the government later. 一项保护英国土地健康状况并确保其能够继续储存二氧化碳的政策晚些时候将会有英国政府发布。 our soils hold wi...