News tagged with geographical distribution

Biodiversity is more than just a numbers game

A new look at one of ecology's unsolved puzzles—why biodiversity is higher in the tropics compared with colder regions—revealed that while this long-recognized pattern holds true for the sheer number ...

Oct 07, 2014
3.8 / 5 (5) 0

Sorghum and biodiversity

It is difficult to distinguish the human impact on the effects of natural factors on the evolution of crop plants. A Franco-Kenyan research team has managed to do just that for sorghum, one of the main cereals ...

Sep 02, 2014
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Marine life spawns sooner as oceans warm

Warming oceans are impacting the breeding patterns and habitat of marine life, effectively re-arranging the broader marine landscape as species adjust to a changing climate, according to a three-year international ...

Aug 06, 2013
3.6 / 5 (11) 2 | with audio podcast

Chemical trickery explored to help contain potato pest

If left unchecked, the pale cyst nematode burrows into potato roots to feed, obstructing nutrients and causing stunted growth, wilted leaves and other symptoms that can eventually kill the plant. Now USDA and cooperating ...

Mar 18, 2013
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Louse genetics offer clues on human migrations

A new genetic analysis of human lice from across the world sheds light on the global spread of these parasites, their potential for disease transmission and insecticide resistance. The results are published February 27 in ...

Feb 27, 2013
4.3 / 5 (3) 0