Open pipes, widely used for a variety of purposes across the western U.S. landscape, have been reported as a "potentially very large" source of bird mortality according toresearch by scientists at Los Alamos National Laboratory (LANL). The finding was part of a peer-reviewed study accepted for publication by the "Western North American Naturalist" and authored by Charles D. Hathcock and Jeanne M. Fair.
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A study of the removal of two dams in Oregon suggests that rivers can return surprisingly fast to a condition close to their natural state, both physically and biologically, and that the biological recovery might outpace the physical recovery.
The analysis, published by researchers from Oregon State University in the journal PLOS One, examined portions of two rivers – the Calapooia River and Rogue River. It illustrated how rapidly rivers can recover, both from the long-term impact of the dam and from the short-term impact of releasing stored sediment when the dam is removed.
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Elephants are worth 76 times more when they’re alive than dead, according to a new analysis released this past weekend. The report follows on the heels of findings by WWF that the world has lost 50 percent of its wildlife over the past 40 years, with more than half of African elephants killed for ivory in just one decade. The analysis, conducted through the David Sheldrick Wildlife Trust's iworry campaign, compared the value of elephants to local economies to profits netted through the illegal ivory trade.
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A vaccine for parasitic intestinal worms has been shown to be safe in Brazilian clinical trials, according to its US developer.
Hookworm parasites infect more than 600 million people worldwide, attaching themselves to the intestines to feed on blood. Infection can lead to iron deficiency and capillary damage, and may retard children’s growth and mental development.
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Cuatro polluelos de grulla trompetera criados en cautiverio comenzaron su integración al medio natural hace dos semanas como parte del esfuerzo continuo para incrementar la población silvestre de esta especie en peligro de extinción.
Las grullas, nacidas y criadas por sus padres en el Centro de Investigación de Vida Silvestre de Patuxent del Servicio Geológico de los Estados Unidos en Laurel, Maryland, fueron liberadas en el Refugio Nacional de Vida Silvestre de Necedah del Servicio de Peces y Vida Silvestre de Estados Unidos en Wisconsin.
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