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Tag: "plains" at biology news

Millennium Ecosystem Assessment: Many of 2 billion dryland dwellers at risk as land degrades

...d animal biodiversity, while flooding from denuded plains affects areas adjacent to drylands. Despite the importance of its global impacts, the exact extent of desertification is unknown. Nor is it known accurately how fast it is increasing. Based on three studies in the past 15 years, an estimated 10 to 2...

Study uncovers dirty little secret: Soil emissions are much-bigger-than-expected component of air pollution

..., hot spots for soil emissions include the central plains of the United States; southwestern Europe, primari...Iberian Peninsula; much of India; and the northern plains of Asia, she said. All of those areas are highly agricultural. The new research was published in Ma...

New technology shows our ancestors ate…everything!

...map of the earth that shows mountains, valleys and plains in full relief, only at a microscopic scale. As anticipated from traditional examination of fossilized teeth, the tooth surfaces of P. robustus were more pitted and complex, while those of A. africanus were more scratched, with features often runnin...

Scientists sequence DNA of woolly mammoth

...cexpress.org . This majestic mammal roamed grassy plains of the Northern Hemisphere until it became extinct about 10,000 years ago. The scientific breakthrough allows for the first time comparion of this ancient species with today's populations of African and Indian elephants, not just at the level of mit...

Bringing the zoos to the zebras

... best of conditions is related to competition with plains zebras," said Rubenstein. "Their data also showed that Grevy's zebras prefer to drink during the morning, highlighting the problem of coexisting with herds of livestock outside the conservancy that occupy waterholes during the daylight hours. By havi...

Birth rate, competition are major players in hominid extinctions

...glacial maximum about 18,000 years ago, the grassy plains disappeared, taking with them the animals that relied on large expanses of grass for grazing. These animals were the prime food source for Neandertal. At the same time, modern Homo sapiens experienced the same reduction in large animal game, but ...

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