Sentences with phrase «vole population»

Although the vole population also saw a large rise, it happened at a much slower rate (Proceedings of the National Academy of Sciences, DOI: 10.1073 / pnas.1012714108).

* The other top achievements of BASC's Green Shoots programme in Cheshire include the recovery of the water vole population on the River Gowy by trapping and humanely dispatching mink.

In Conwy, existing water vole populations are being protected by maintaining their mink - free status through the use of mink rafts, supplied by Conwy Council through the Conwy Habitat Improvement Scheme.

As the winter went on, the population of lemmings living under the snow at each site rose, while vole populations fell.

This suggests the lemmings» huge outbreaks are largely driven by their winter behaviour, rather than external factors like food supply or predators, which should have had a similar impact on vole populations.

Not exact matches

On Thursday, the museum — which bills itself as the oldest in Chicago — will turn out some of its rarer animal specimens, including a small rodent called a southern rock vole and two specimens of prairie chicken, a species whose population has rapidly declined due to habitat destruction.

Rolf Ims and colleagues at the University of Tromsø trapped Norway lemmings and grey red - backed voles at 109 locations in north - east Norway to monitor population changes before, during and after a lemming population outbreak.

Results of research on the voles, presented at the annual meeting of the Society for the Study of Evolution in Montreal last month, raises questions about the full effect of radiation on animal populations and on humans.

This is important, as voles occasionally suffer catastrophic local population crashes.

Researchers at Washington State University, Pullman, looked at populations of red - backed voles (Clethrionomys gapperi) in northeastern Washington.

After all, over the same decade the number of snow voles in the population shrank simultaneously, so more food was available to each animal.

The scientists have been studying a population of snow voles (Chionomys nivalis) in their alpine habitat above Churwalden (Graubünden, Switzerland) at an altitude of around 2,000 meters since 2006.

32 Northwest mollusks 404 Southeast aquatic, riparian, and wetland species Acuna cactus Amargosa toad American pika (federal) American, Taylor, Yosemite, Gray - headed, White Mountains and Mt. Whitney pika (California) Andrew's dune scarab beetle Ashy storm - petrel Atlantic bluefin tuna Bearded seal Black abalone Blumer's dock Bocaccio (central / southern population) Cactus ferruginous pygmy owl California spotted owl California tiger salamander (federal) California tiger salamander (California) Canelo Hills ladies» tresses Casey's June beetle Cherry Point Pacific herring Chiricahua leopard frog Colorado River cutthroat trout Cook Inlet beluga whale (1999) Cook Inlet beluga whale (2006) Delta smelt Desert nesting bald eagle Dusky tree vole Elkhorn coral Gentry's indigobush Giant palouse earthworm Gila chub Great Basin spring snails Headwater chub Holmgren's milk - vetch Huachuca water umbel Iliamna lake seals Island fox Island marble butterfly Kern brook lamprey Kittlitz's murrelet (Alaska) Kittlitz's murrelet (federal) Klamath River chinook salmon Las Vegas buckwheat Least chub Loggerhead sea turtle (northern and Florida population) Loggerhead sea turtle (northern Pacific population) Loggerhead sea turtle (western North Atlantic population) Longfin smelt Mexican garter snake Mexican spotted owl Mojave finge - toed lizard North American green sturgeon Northern Rockies fisher Northern sea otter Pacific fisher (federal) Pacific fisher (California) Pacific lamprey Pacific Northwest mollusks Pacific walrus Page springsnail Palm Springs pocket mouse Parish's alkali grass Polar bear Puget Sound killer whale Queen Charlotte goshawk Relict leopard frog Ribbon seal Ringed seal River lamprey Rio Grande cutthroat trout Roundtail chub Sacramento Mountains checkerspot butterfy Sand dune lizard Sand Mountain blue butterfly Shivwitz milk - vetch Sierra Nevada mountain yellow - legged frog Sierra Nevada red fox Siskiyou Mountains salamander Sonora tiger salamander Southwestern willow flycatcher Spotted seal Spring pygmy sunfish Staghorn coral Tahoe yellow cress Tricolored blackbird Tucson shovel - nosed snake Virgin river spinedace Western brook lamprey Western burrowing owl (California) Western gull - billed tern Yellow - billed cuckoo Yellow - billed loon Yosemite toad

The increasing rate of extinctions, the rising number of species suffering population declines in the order of 90 per cent (not just tigers, but sparrows and voles, too), the destruction of rainforests, the pollution of the oceans — the evidence is plain to see.