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Ancient Humans Left Africa to Escape Drying Climate（图）
Ancient Humans Left Africa Escape Drying Climate
2017/10/25
Humans migrated out of Africa as the climate shifted from wet to very dry about 60,000 years ago, according to research led by a University of Arizona geoscientist.Genetic research indicates people mi...
Benthic community structure and spatiotemporal thermal regimes in two upwelling ecosystems: Comparisons between South Africa and Chile
Benthic community structure spatiotemporal thermal regimes
2014/4/18
On the basis of 16-yr satellite time series (1987–2003) of sea surface temperature (SST) and using univariate and
multivariate statistical techniques, we quantified patterns of fluctuation in oceanog...
Deep-water warming trend in Lake Malawi, East Africa
Deep-water warming trend Lake Malawi East Africa
2014/5/9
We use historic water temperature measurements to define a deep-water warming trend in Lake Malawi, East Africa. Over the past six decades, the temperature of the deep water below 300 m has increased ...
Seasonal and interannual particle export in an African rift valley lake: A 5-year record from Lake Malawi, southern East Africa
Seasonal interannual particle export an African rift valley lake A 5-year record Lake Malawi southern East Africa
2014/5/19
A time-sequencing sediment trap was deployed at 300-350 m in Lake Malawi, East Africa, from 1987 to 1992 to measure particulate export to the deep, anoxic hypolimnion in the northern and central lake ...
Epilithic nitrogen fixation in the rocky littoral zones of Lake Malawi, Africa
Epilithic nitrogen fixation rocky littoral zones Lake Malawi Africa
2014/6/9
Rates of epilithic N2 fixation in the rocky littoral zones of Lake Malawi, determined by in situ incubations and the acetylene reduction method, declined with depth, were highly correlated to light in...