Sentences with phrase «salamander populations in»

Imported pet salamanders carry a new disease that could threaten salamander populations in New York state with extinction.

Goldberg is also working with colleagues across the United States to sample lake water to determine whether a pathogen related to Bd that has devastated salamander populations in Europe does not establish itself in North America.

The study was prompted by the research of Curators» Professor Ray Semlitsch, who has been studying salamander populations in the Appalachian Mountains since 2005.

Herpetologists quickly began pressing United States agencies and officials (Dot Earth, Op - Ed article) to clamp down on the global exotic pet trade to cut the chances of the disease reaching the United States — which has the most diverse salamander population in the world.

Not exact matches

Since late February, researchers from the Peggy Notebaert Nature Museum and Lincoln Park Zoo have been monitoring levels of cortisol (known as the stress hormone) in three species that have been reintroduced or restored by the forest preserve: wood frogs (designated as «in great need of conservation» in Illinois); spotted salamanders, a rare species for northeastern Illinois; and spring peepers, a frog species whose local populations are in decline.

Mudpuppies have the largest distribution of any fully aquatic salamander, but their populations in the Great Lakes region have declined.

The recently described fungus, Batrachochytrium salamandrivorans, has caused a crash in wild populations of fire salamanders in the Netherlands.

The previously unknown fungus Batrachochytrium salamandrivorans was discovered last year by researchers investigating a huge crash in the population of fire salamanders in the Netherlands.

B. dendrobatidis infects more than 520 amphibian species around the world, has caused steep declines in populations of frogs and salamanders, and has driven some species into extinction.

Semlitsch's study measured the population density and biomass of the Southern Redback Salamander in the Ozark Highlands in Missouri.

Such a sudden and rapid depletion of salamander species, especially ones with dense populations such as the eastern newt, could have «cascading effects» in affected ecosystems, says Michael Lannoo, a herpetologist at Indiana University and expert on amphibian declines.

And although American salamanders, the most diverse population in the world, have been faring well in comparison, scientists are now bracing for an extraordinary threat: an Asian chytrid fungus called Batrachochytrium salamandrivorans, or Bsal.

As has happened with Bd in the Americas, Bsal will lurk in these reservoirs of disease even after local populations of fire salamanders vanish.

This paper by Urban and Richardson presents an elegant series of studies of how foraging rates have evolved in multiple populations of the spotted salamander (Ambystoma maculatum) that coexist with different types of predators.

Conservation Status The most recent edition of the IUCN Red List of Threatened Species listed the Channel Islands slender salamander as of Least Concern since, although its Extent of Occurrence is much less than 5,000 per square kilometer, it is common and occurs in an area of extensive, suitable habitat which appears not to be under threat, it has a presumed large population, and it is unlikely to be declining fast enough to qualify for listing in a more threatened category.

Recently, the emergence of the chytrid fungus Batrachochytrium salamandrivorans resulted in rapid declines in populations of European fire salamanders.

Bsal has caused major die - offs of salamanders in Europe and poses an imminent threat to U.S. native salamander populations.

«The threat to global salamander populations from a new fungal strain is very real and of great concern to the U.S. Fish and Wildlife Service,» Laury Marshall Parramore, a spokeswoman for the wildlife agency, wrote in an email.

The recently discovered fungal pathogen, Batrachochytrium salamandrivorans, is causing the rapid loss of infected fire salamander (Salamandra salamandra) populations in continental Europe (Martel and others 2013).

Then in late April, British biologists reported finding the fungus for the first time in Britain, in a captive salamander population at a zoo.