Tag: endangered species

Study confirms global warming threat to alpine insects

A glacier stonefly (Zapada glacier) on a snowy backdrop in Glacier National Park. The species is threatened by climate warming induced glacier and snow loss and has been petitioned for protection under the U.S. Endangered Species Act due to climate-change-induced habitat loss. (Credit: Joe Giersch, USGS. Public domain.)
A glacier stonefly on a snowy backdrop in Glacier National Park. The species is threatened by climate warming induced glacier and snow loss. Credit: Joe Giersch, USGS.

‘There is nowhere to go because they’re literally at the top of the continent … ‘

Staff Report

The findings of a new 20-year study suggest what already appeared obvious — that certain insects reliant on cold water from glaciers and snowmelt are endangered from global warming. The U.S. Geological Survey research focused on two stonefly species in Montana, and will be used to inform the status review for consideration of protection under the U.S. Endangered Species Act .

The scientists found that the meltwater stonefly and western glacier stonefly have a narrow distribution and are restricted to short sections of cold, alpine streams often below glaciers predicted to disappear over the next two decades. Continue reading “Study confirms global warming threat to alpine insects”

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How do Arctic sea ice changes affect whales?

Study tracks belugas in global warming era

 Adult beluga whales are migrating through fractured sea ice in the Alaskan Arctic.

Beluga whales migrating through fractured sea ice in the Alaskan Arctic. Photo by Vicki Beaver/NOAA.

Staff Report

The relationship between Arctic whales and sea ice is still largely a mystery, but there is increasing concern over how these species will adapt to climate related changes in sea ice. In a new study, researchers found the drastic sea ice changes under way in the Arctic could lead to more predation of beluga whales — and that could have “implications for population viability, ecosystem structure and the subsistence cultures that rely on them,” said Dr. Greg O’Corry-Crowe, a scientist with Florida Atlantic University. Continue reading “How do Arctic sea ice changes affect whales?”

Sage grouse and drilling just don’t mix

greater sage-grouse
Greater sage-grouse. Photo via USGS.

Well density seen as key factor in decline of birds in Wyoming

Staff Report

Limiting the density of new oil and gas drilling rigs in Wyoming may not be enough to stem the decline of greater sage-grouse, according to scientists tracking populations of the imperiled bird.

Berween 1984 and 2008, populations declined by 2.5 percent annually, and the drop is clearly linked with oil and gas development, the new study from the USGS and Colorado State University found. The researchers used annual counts of males at breeding sites for their estimates, comparing those tallies to the the density of oil and gas wells and the area of disturbance associated with these wells. Continue reading “Sage grouse and drilling just don’t mix”

Legal wrangling continues over rare oil patch plants

The rare Graham's penstemon grows primarily in the oil and gas patches of western Colorado and Utah. Photo courtesy Susan Meyer.
The rare Graham’s penstemon grows primarily in the oil and gas patches of western Colorado and Utah. Photo courtesy Susan Meyer.

Federal court says U.S. Fish and Wildlife Service must take another look at listing decision

Staff Report

There’s a new legal twist in the long-running battle over rare wildflowers in northwestern Colorado and northeastern Utah. This week, a federal court, restored Endangered Species Act protection for two species of penstemon that grow only in oil shale formations in the region.

Conservation activists won protection for the plants in 2013, when the U.S. Fish and Wildlife Service determined that 91 percent of Graham’s beardtongue populations and 100 percent of White River beardtongues were threatened by the impacts of oil and gas development. But a year later, the agency reversed course, claiming that a voluntary conservation agreement would mitigate those threats. Continue reading “Legal wrangling continues over rare oil patch plants”

Pacific bluefin tuna may get endangered species status

A rampant black market and lax regulations are quickly leading to the demise of the eastern Atlantic bluefin tuna.
Overfishing is pushing bluefin tuna toward extinction.

Unsustainable fishing is pushing the species to the brink of oblivion

Staff Report

Federal regulators are one step closer to putting Pacific bluefin tuna on the endangered species list, as humankind’s insatiable appetite for resources drives the fish to the edge of extinction. The announcement by the National Marine Fisheries Service came in response to a petition filed by conservation groups, who say bluefin tuna populations have declined by about 97 percent since the advent of industrial fishing operations. Continue reading “Pacific bluefin tuna may get endangered species status”

Endangered and invasive species meet in the desert Southwest

willow flycatcher
A southwestern willow flycatcher. Photo courtesy USGS.

New data to help inform tamarisk eradication and bird conservation efforts

Staff Report

New mapping by the U.S. Geological Survey may help resource managers in the southwestern U.S. figure out how they can bolster populations of the endangered southwestern willow flycatcher while at the same time trying to control an unwanted invasive plant that provides habitat for the tiny songbird.

The new report from the USGS provides detailed habitat information on the entire range of of the flycatcher, which breeds in lush, dense vegetation along rivers and streams from May through September. In 2013, the U.S. Fish and Wildlife Service designated 1,975 stream kilometers as critical flycatcher habitat, located in six states and 38 counties.

“The satellite model provides us with new capabilities to locate and monitor potential flycatcher habitat within individual watersheds and across its entire range” said James Hatten, Research Biogeographer with the USGS and the report’s author. “The satellite model also revealed how the quantity of flycatcher habitat is affected annually by drought conditions, with habitat declining in California from 2013 to 2015, while increasing in New Mexico and Texas.” Continue reading “Endangered and invasive species meet in the desert Southwest”

California sea otter population growing steadily

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A Southern sea otter. Via USFWS.

Survey results show healthy core population

Staff Report

The Southern sea otter population is healthy at the core of its range along the California coast, but the aquatic mammals are still struggling to expand north and south, probably because of predation by sharks, scientists said as they released the results of the latest annual otter survey.

“The population index has exceeded 3,090 for the first time, and that’s encouraging,” said Lilian Carswell, Southern Sea Otter Recovery Coordinator for USFWS, referring to a threshold number for recovery. If the population stays above that number for three years in a row, the U.S. Fish and Wildlife Service could consider a delisting proposal.Sea otters were presumed to be extinct in California in the early 1900s, but a remnant population of 30 animals was discovered and protected in the 1930s near Bixby Bay, north of Big Sur. They were listed as a threatened species in 1977, deemed at risk from oil spills. Continue reading “California sea otter population growing steadily”