Tag: "zoologists" at biology news

Duke ecologist finds devastation, hope in Iraqi marshes

...raining "They have excellent marine biologists and zoologists who are very competent in what they're doing," he said. "But they had been completely out of the field of environmental science, which took off in the '70s. They are not trained in wetlands ecology and management. They've completely missed that. They...

UC Berkeley museum biologists to repeat 85-year-old Yosemite National Park wildlife survey

...ecified that his hope was that future curators and zoologists could come back in 100 years and look at the effect of human changes to the landscapes on the vertebrate fauna. As soon as I read that, it was really clear what we had to do for our centenary - do what Grinnell told us to do and resurvey his transect...

Insects' survival, mating decrease with age in wild, researchers discover

... vital functions, not chronological time. The two zoologists examined the flies to see if their abilities to survive to the next day and to mate deteriorated with age. The study appears in the Nov. 28 issue of Nature. "We found that the flies deteriorate over their lives. As they get chronologically older, the...

After massive experiment, results favor wildlife corridors

...," Tewksbury said. The research team also included zoologists Nick Haddad, of North Carolina State University, Brent Danielson of Iowa State University, Sarah Sargent of Allegheny College in Pennsylvania and numerous graduate students....

DNA evidence suggests 3 types of elephants roam Africa

...ogical Sciences. "If these findings are confirmed, zoologists and conservation managers will need to recognize three different species of African elephants, all of which need protection because their numbers are declining." "Knowing that forest elephants are very different genetically from savanna elephants m...

Marine biodiversity essential to preserving species

... whole fishery. The study was conducted by marine zoologists at Oregon State University and published this week in a professional journal, the Proceedings of the National Academy of Sciences. It was done on coral reefs in the Bahamas, which allowed the type of experimental manipulations that are usually imposs...

Falklands penguins forage far enough from home to get into trouble

... and oil exploration. But University of Washington zoologists and a Falkland Islands researcher have found that such interest could prove detrimental to Falklands penguins, whose numbers already could be declining. Since 1995, Dee Boersma, a UW zoology professor; David Stokes, now at Sonoma State University in ...

A major scientific survey finds more species than in the entire Mediterranean at Lifou, Loyalty Islands

..., are exceptional as subjects for investigation by zoologists and ecologists. They harbour an extraordinary profusion of species, representing one of the most complex ecosystems in the worlds oceans. Exploration of a single bay, during the Lifou 2000 research campaign, found a treasure trove of discoveries high...

DNA analysis of salamanders turns up new species under almost every log, UC Berkeley zoologists find

...ls several hundred miles away, but DNA analysis by zoologists at the University of California, Berkeley, showed them to be distinct species. Experts can't tell them apart, but they apparently evolved from different ancestors and are not one another's closest relatives. The finding, reported this week in the onl...

USGS issues wildlife health alert: Chytrid fungus infection

...s this summer and previously in 1996, according to zoologists at the USGS Midcontinent Ecological Science Center in Fort Collins, Co., who have been studying these populations for the past 9 years. Although dead or dying toads have not been found in association with these declines and the chytrid fungus has n...

Molecular biologists prune branches from the animal family tree

... of relationships have been drawn over theyears by zoologists who painstakingly constructed evolutionary trees usinganimal morphology, or comparisons of form and structure. Morphology was, untilrecently, the best information available for such classifications. But newmolecular evidence -- gleaned directly from ...

Birds Sing The 'Story Of Their Lives,' Theorize Duke Biologists

... how well his parents raised him. The Duke zoologists said their theory clarifies a largely unansweredquestion until now: how exactly does a female bird benefit from choosing a matebased on his song. Early theories had held that the elaborate male bird song,like other exaggerated male mating traits, was...

From Corn Rootworms To Art, Cornell's Reactor Is At The Core

... professors from art historians and agronomists to zoologists can use it to get detailed pictures that X-rays cannot produce. It is the first time neutron radiography has been used to study insects. "X-rays pass through the rootworms without attenuation. Neutrons, however, are attenuated by the hydrogen in th...

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