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After mastodons and mammoths, a transformed landscape
And when their populations crashed, emptying a land whose diversity of large animals equaled or surpassed Africa's wildlife-rich Serengeti plains then or now, an entirely novel ecosystem emerged ...
Earth Sciences |
Read moreAnts are friendly to some trees, but not others
The research, published in the November issue of the American Naturalist, is the first to document that ants bore into live trees, and it reopens a centuries-old debate on the relationship between ant...
Life Sciences | Read moreStudy predicts an uncertain future for forests
Approximately 100,000 acres of forested area west of Lake Superior which make up the Boundary Waters Canoe Area was used for the study. Using computer models PnET-II and LANDIS-II, the researchers wer...
Agricultural and Forestry Science | Read moreSmall rodents encourage the formation of scrubland in Spain
The trees in the forests such as the holm oaks, rowans and pines have unexpected predators which are impeding their expansion over the mountains. In 98.5% of cases it is field mice and other rodents w...
Ecology, The Environment and Conservation | Read moreWorld's Last Great Forest Under Threat
The researchers from Memorial University of Newfoundland in Canada, University of Adelaide in Australia and the National University of Singapore have called for the urgent preservation of existing bor...
Ecology, The Environment and Conservation | Read moreOrangutans unique in movement through tree tops
It can be particularly dangerous for large animals where a fall of up to 30m could be fatal. Scientists found that dangerous tree vibrations can be countered by the orang-utan's ability to move w...
Ecology, The Environment and Conservation | Read moreNeon blue-tailed tree lizard glides like a feather
Most lacertid lizards are content scurrying in and out of nooks and crannies in walls and between rocks. However, some have opted for an arboreal life style. Neon blue tailed tree lizards (Holaspis gu...
Life Sciences | Read moreOzone, nitrogen change the way rising CO2 affects Earth's water
The researchers concluded that models of climate change may be underestimating how much water is likely to run off the land and back into the sea as atmospheric chemistry changes. Runoff may be as muc...
Earth Sciences | Read more47-Million-year-old Fossil Could Shed Light on Primate Family Tree
Tab Rasmussen, Ph.D., professor of anthropology in Arts & Sciences, studies primate evolution by drawing on two major lines of evidence: the fossil record and the comparative study of living primates....
Earth Sciences | Read moreFire influences global warming more than previously thought
"We've estimated that deforestation due to burning by humans is contributing about one-fifth of the human-caused greenhouse effect -- and that percentage could become larger," said co-a...
Ecology, The Environment and Conservation | Read morePole-to-Pole Flights Provide First Global Picture of Greenhouse Gases
A team of scientists has successfully flown from the Arctic to the Antarctic this month aboard an advanced research aircraft, the first step in a three-year project to make the most extensive airborne...
Ecology, The Environment and Conservation | Read moreTreeline Advances in Canada’s Arctic
In a widely recognized painting by Tom Thomson, a bent and lonely tree hunches on a rocky ledge overlooking a windswept lake and distant snowy peaks. The misshapen tree remains so emblematic of the be...
Earth Sciences | Read moreUrbanisation: New World Bank and European Commission map shows that 95% of the world's population lives on 10% of the land
In the absence of agreement on the meaning of "urbanisation", the European Commission and the World Bank are proposing a new definition based on a unique mapping of “Accessibility” called th...
Studies and Analyses | Read moreNitrogen emissions in dairy pastures peak in the springtime
Research Scientist Kirsi H. Saarijärvi of MTT Agrifood Research Finland charted the nitrogen emissions caused by intensive grazing in her doctoral dissertation. The topic has not been previously inves...
Agricultural and Forestry Science | Read moreDried Mushrooms Slow Climate Warming in Northern Forests
When soil in these forests is warmed, fungi that feed on dead plant material dry out and produce significantly less climate-warming carbon dioxide than fungi in cooler, wetter soil. This came ...
Ecology, The Environment and Conservation | Read more
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