Sentences with phrase «survey wildlife biologists»

Not exact matches

Brian Underwood, a U.S. Geological Survey research wildlife biologist who teachers at SUNY ESF.

Judging from aerial surveys, sporadic reports by hunters and ranchers, and signals from the few animals wearing radio collars, state wildlife biologists think there are now more than 500 wolves here.

To find out whether pesticides are taken up by amphibians even in relatively pristine areas, a team led by wildlife biologist Donald Sparling of the U.S. Geological Survey in Laurel, Maryland, tested Pacific treefrogs in several national parks.

It's clear that eliminating DDT as a common agricultural pesticide has had marked environmental benefits, according to Chandler Robbins, an 89 - year - old wildlife biologist at the U.S. Geological Survey's Patuxent Wildlife Research Center in Laurel, Maryland, who worked directly with Carson in the 1940s.

Albertani's team also includes two collaborators from the U.S. Geological Survey, biological statistician Manuela Huso and wildlife biologist and eagle expert Todd Katzner.

«You've got bears that are spending increasing amounts of time on land becoming nutritionally stressed, moving into areas of human settlements,» says Todd Atwood, a wildlife biologist at the US Geological Survey.

In their survey on wildlife losses, published in Science last year, Rudolfo Dirzo, a biologist at Stanford, and colleagues, reported that terrestrial vertebrates are showing a «25 per cent average decline in abundance» and that «invertebrate patterns are equally dire: 67 per cent of monitored populations show 45 per cent mean abundance decline.

I work as a wildlife biologist and regularly use Charley in my work, particularly on sage - grouse surveys.