Tag: "locust" at biology news
Scientists discuss improved biopesticides for locust control in West Africa
...identify strategies for the control of the ongoing locust
outbreak in West Africa. Last year, locusts stripp...n nations, national plant protection directors and locust
control personnel, military officers in charge of locust
control campaigns, representatives from reg...
Six million Africans face famine because of locusts, drought
...) said today. "The combined effect of drought and locust
attack, particularly in the more northerly districts of the counties affected has led to significant damage," the UN Food and Agriculture Organization's (FAO) Edouard Tapsoba said. "The people in these areas need food aid and help to re-launch their...
Locusts' built-in 'surface analysis' ability directs them to fly overland
...d in numbers measuring in the millions. During the locust
invasion of November 2004 in Israel, it appeared that a swarm came in an easterly direction over Sinai up to the Gulf of Eilat, then turned northward without crossing the water. Only when the swarm reached the northern tip of the gulf did some of the...
Ancient trans-Atlantic swarm brought locusts to the New World
...hy are the closest relatives of the African desert locust
(Schistocerca gregaria) found in the New World, rather than Africa? The desert locust
is one of the world's most economically important insects, and is capable of forming massive swarms ...
Dragonfly migration resembles that of birds, scientists say
...rgely agrarian, a betterunderstanding of how, say, locust
swarms travel could assist us withmanaging both local agriculture and the world economy that hinges uponit." ...
University of Alberta researchers unravel intricate animal patterns
...eople have puzzled about how animals—fish schools, locust
swarms, large flocks of birds--form large complex dynamical groups. It is clear individuals in the group are only communicating with nearby neighbours, but then the groups somehow emerge spontaneously with complicated patterns of their own. Eftimie a...
Researchers demonstrate way to control tree height
...ds are already available for sweet gum, elm, black locust
and pines. The current successful modification with poplar could be just “the tip of the iceberg,” the researchers said in their report. Dwarf trees and crop plants created with traditional cross-breeding or horticultural techniques are already wi...