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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 moreBoarCroc, RatCroc, DogCroc, DuckCroc and PancakeCroc
A suite of five ancient crocs, including one with teeth like boar tusks and another with a snout like a duck's bill, have been discovered in the Sahara by National Geographic Explorer-in-Residenc...
Earth Sciences | Read morePenguins and Sea Lions Help Produce New Atlas
The atlas contains the most accurate maps ever assembled for this ecosystem revealing key migratory corridors that span from coastlines to deep-sea feeding areas off the continental shelf hundreds of ...
Ecology, The Environment and Conservation | Read moreNew climate treaty could put species at risk
A team of eleven of the world's top tropical forest scientists, coordinated by the University of Leeds, warn that while cutting clearance of carbon-rich tropical forests will help reduce climate ...
Life Sciences | Read moreSponges recycle carbon to give life to coral reefs
Marine biologist Fleur Van Duyl from the Royal Netherlands Institute for Sea Research is fascinated by the energy budgets that support coral reefs in this impoverished environment. According t...
Life Sciences | Read moreAdditive Copper-Zinc Interaction Affects Toxic Response in Soybean
Regulations and guidelines for tolerable concentrations of these potentially plant-toxic elements in soils are based on the assumption that the toxic effects of the metals are substantially independen...
Agricultural and Forestry Science | Read moreControversial new climate change results
This suggests that terrestrial ecosystems and the oceans have a much greater capacity to absorb CO2 than had been previously expected. The results run contrary to a significant body of recent ...
Earth Sciences | Read moreCalifornia's Ancient Kelp Forest
The kelp forest tripled in size from the peak of glaciation 20,000 years ago to about 7,500 years ago, then shrank by up to 70 percent to present day levels, according to the study by Rick Grosberg, p...
Ecology, The Environment and Conservation | Read moreEarth's early ocean cooled more than a billion years earlier than thought
Their findings suggest that the early ocean was much more temperate and that, as a result, life likely diversified and spread across the globe much sooner in Earth's history than has been general...
Earth Sciences | Read moreStudies show marine reserves can be an effective tool for managing fisheries
A recent study in the Gulf of California, for example, confirmed the validity of a key concept behind marine reserves--the idea that offspring produced in a protected area can replenish the stocks of ...
Life Sciences | Read moreCopper-Zinc Interaction Additive, Affects Toxic Response in Soybean
Agricultural soils accumulate trace metals, particularly copper and zinc, as a result of their presence in wastes (sewage biosolids and manures) and fungicides that are applied over long periods of ti...
Agricultural and Forestry Science | Read moreNew Landscape Rating System to Transform The Industry, Complete Green Building Puzzle
The Sustainable Sites Initiative led by the partners developed the rating system out of four years of work by dozens of the country’s leading sustainability experts, scientists and design professional...
Ecology, The Environment and Conservation | Read moreScientists call for "global cooling" to save coral reefs
In the lead up to United Nations Copenhagen Climate Change Conference Professors Charlie Veron (former Chief Scientist, Australian Institute of Marine Science) and Ove Hoegh-Guldberg of the ARC Centre...
Ecology, The Environment and Conservation | Read moreNitrogen loss threatens desert plant life
"This is a way that nitrogen is lost from an ecosystem that people have never accounted for before," said Jed Sparks, associate professor of ecology and evolutionary biology and co-author of...
Studies and Analyses | 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 more
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