Sentences with phrase «survey of amphibians»

That's the stark message from the first global survey of amphibians, which has found they are under far greater threat of extinction than birds or mammals.

Surveys of amphibian and reptile populations stretch back to 1970 and, by compiling this data, Whitfield and his colleagues detected a calamitous decline that no one had noticed: a 75 percent drop in the total amount of amphibians over that 35 - year period.

Not exact matches

In 2000, Chicago Wilderness initiated a calling frog survey as part of its amphibian biodiversity recovery plan.

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.

U.S. Geological Survey summary of amphibian declines The Declining Amphibian Populations Task Force Home Pages Joseph Kiesecker's Faculty Page Andrew Blaustein's Faculty Page

Right now, at least 2,000 frogs, salamanders and other amphibians are in danger of going extinct, according to a survey by biologists David Wake and Vance Vredenburg, writing in the Proceedings of the National Academy of Sciences USA.

Lucas, for his part, is surveying amphibian, crocodilian and dinosaur fossils found at over 800 sites across the western U.S. to refine his own timeline of when species appeared and vanished during the late Triassic.

Help the state's Department of Natural Resources create a statewide survey and complete history of its amphibians and reptiles

Several individuals of P. pluvialis were found during nocturnal surveys near Manu National Park, a region recognized as having the highest diversity of reptiles and amphibians of any protected area.

Simons is working with the U.S. Geological Survey — in charge of the amphibian monitoring — to account for these false positives, and to better train the volunteers — so they don't write down «chorus frog» [Chorus Frog sound] when all there really was were pickerel frogs.

Biodiversity survey work is a critical step to assess and monitor the state of amphibians in any given area, even protected ones.

Conway said Girard described many new species of fish, amphibians and reptiles from the southwestern and central U.S., with most collected during the U.S. and Mexican boundary surveys between 1853 - 1855.

According to an article recently published by Northern Woodlands, «In Canada, biologists surveying a two - mile stretch of road over four years recorded more than 30,000 dead amphibians.

Karen Lips had been surveying amphibians in Central and South America and had tirelessly warned of the impending dangers of spreading Bd.

Of the more than 47,000 species surveyed, about 17,000 are at serious risk — of those 21 % of the world's mammal species, 12 % of birds, 28 % of reptiles, 30 % of amphibians, 35 % of invertebrates, 37 % of freshwater fish and 70 % of plants: Jane Smart, director of IUCN's Biodiversity Conservation Group says there is mounting evidence that we are in the midst of a serious extinction crisiOf the more than 47,000 species surveyed, about 17,000 are at serious risk — of those 21 % of the world's mammal species, 12 % of birds, 28 % of reptiles, 30 % of amphibians, 35 % of invertebrates, 37 % of freshwater fish and 70 % of plants: Jane Smart, director of IUCN's Biodiversity Conservation Group says there is mounting evidence that we are in the midst of a serious extinction crisiof those 21 % of the world's mammal species, 12 % of birds, 28 % of reptiles, 30 % of amphibians, 35 % of invertebrates, 37 % of freshwater fish and 70 % of plants: Jane Smart, director of IUCN's Biodiversity Conservation Group says there is mounting evidence that we are in the midst of a serious extinction crisiof the world's mammal species, 12 % of birds, 28 % of reptiles, 30 % of amphibians, 35 % of invertebrates, 37 % of freshwater fish and 70 % of plants: Jane Smart, director of IUCN's Biodiversity Conservation Group says there is mounting evidence that we are in the midst of a serious extinction crisiof birds, 28 % of reptiles, 30 % of amphibians, 35 % of invertebrates, 37 % of freshwater fish and 70 % of plants: Jane Smart, director of IUCN's Biodiversity Conservation Group says there is mounting evidence that we are in the midst of a serious extinction crisiof reptiles, 30 % of amphibians, 35 % of invertebrates, 37 % of freshwater fish and 70 % of plants: Jane Smart, director of IUCN's Biodiversity Conservation Group says there is mounting evidence that we are in the midst of a serious extinction crisiof amphibians, 35 % of invertebrates, 37 % of freshwater fish and 70 % of plants: Jane Smart, director of IUCN's Biodiversity Conservation Group says there is mounting evidence that we are in the midst of a serious extinction crisiof invertebrates, 37 % of freshwater fish and 70 % of plants: Jane Smart, director of IUCN's Biodiversity Conservation Group says there is mounting evidence that we are in the midst of a serious extinction crisiof freshwater fish and 70 % of plants: Jane Smart, director of IUCN's Biodiversity Conservation Group says there is mounting evidence that we are in the midst of a serious extinction crisiof plants: Jane Smart, director of IUCN's Biodiversity Conservation Group says there is mounting evidence that we are in the midst of a serious extinction crisiof IUCN's Biodiversity Conservation Group says there is mounting evidence that we are in the midst of a serious extinction crisiof a serious extinction crisis.

I have worked on various projects for environmental impact assessments; Coastal Conservation Planning and Watershed Assessment; inventory of stream habitats; conduct amphibian and fish surveys, and performed CEQA project monitoring and review of Stream Bed Alteration Agreements with post-project site visits.

Forty - three percent of those surveyed said they own a cat, 9 percent own a bird, reptile, amphibian, arthropod, small mammal, or miniature horse, 8 percent a fish and 5 percent own a farm animal.