Tag

ecosystems

Parasite-resistant maize developed by Kenyan scientist

Two new varieties of hybrid maize that are resistant to the deadly parasitic Striga weed have been developed by a Kenyan scientist. ADVERTISEMENT The weed affects cereal crops in many parts of Africa and is a major cause of crop failure in East Africa, where climate change has been dr
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Natural Catastrophes in 2012 Dominated by U.S. Weather Extremes

In 2012, there were 905 natural catastrophes worldwide, 93 percent of which were weather-related disasters. In terms of overall and insured losses (US$170 billion and $70 billion, respectively), 2012 did not follow the records set in 2011 and could be defined as a moderate year on a g
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Chilean Sea Bass?

ENN Twitter Who knew? Chilean sea bass is not from Chile, nor is it a bass. Since 1996, fishing vessels from a dozen nations have traversed the world’s most remote sea to catch the Antarctic toothfish. ADVERTISEMENT The fishery lands 3,000 tons annually, selling much of it as “C
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Plants re-grow after five centuries under the ice

While monitoring the retreat of the Teardrop Glacier in the Canadian Arctic, scientists have found that recently unfrozen plants, some of which had been under ice since the reign of Henry VIII, were capable of new growth. ADVERTISEMENT While in the field, the researchers from the Univ
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E.O. Wilson on Protecting a Biodiversity Hotspot in Mozambique

ENN Twitter If you fly over the Great African Rift Valley and follow it south to the very end, you will arrive at Gorongosa National Park in central Mozambique. Plateaus on the eastern and western sides of the park flank the lush valley in the center. Dramatic limestone cliffs, unexpl
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To Walk or to Climb

To walk on two or four limbs, that is the question… Jeremy M. DeSilva an anthropologist at Worcester University in Massachusetts has published Functional Morphology of the Ankle and the Likelihood of Climbing in Early Hominins, in the peer-reviewed journal, Proceeding of the Nat
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Jaffna aquifer depleting from overuse

The single limestone aquifer, which is the main source of freshwater in Sri Lanka’s northern Jaffna peninsula, is gradually depleting through overuse, researchers say. ADVERTISEMENT “The area suffers from severe groundwater imbalance which might reach crisis proportions in
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Ocean Acidification and Deep-sea Organisms

Although the natural absorption of CO2 by the world’s oceans help mitigate climate effects, the resulting decrease in pH causes ocean acidification which can have negative consequences for much of the marine life, specifically calcifiers such as corals and mollusks that construc
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African soil diversity mapped for the first time

A team of international experts has drawn up the Soil Atlas of Africa — the first such book mapping this key natural resource — to help farmers, land managers and policymakers understand the diversity and importance of soil and the need to manage it through sustainable use. ADVERTISEM
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India’s hornbill conservator is awarded the "Green Oscar"

The Whitley Awards is a prestigious international prize awarded annually to individuals working in nature conservation at a grassroots level. They were first awarded in 1994 and over the past two decades, the Whitley fund for nature has given almost £10 million ($15 million USD) to co
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