Sentences with phrase «in habitats ranging»
Years of evolution have honed this invader's skill at making itself at home in habitats ranging from Argentina's La Plata Basin to the cement jungles of Los Angeles to the green pastures of California's San Joaquin Valley.
https://www.scientificamerican.com/ Not exact matches
The goal or outcome of the plan is to ensure that there is, at a minimum, no net loss of caribou habitat from the project in the West Side Athabasca Range.
One manifestation of this is the AER's setting of the goal of no net loss of caribou habitat in the relevant range.
This plan must have the effect of restoring 2.0 times the area of new cut habitat affected in the West Side Athabasca Range by the project.
The Plan merely calls on forestry companies operating in caribou ranges to prepare spatial harvest sequences within their Forest Management Plans to meet caribou habitat requirements, and states that Alberta Forestry may impose additional terms and conditions into harvesting plans and operating ground rules (at pp 49 - 52).
Today, the fritillary is found in less than 5 % of its historic range within the Chicago Wilderness Region, as prairie removal has decimated its habitat.
Smooth Greensnakes occupy a wide range of habitats, though they depend on moist, grassy areas in prairies, marshes or near lakes.
Spreading across more than 700 acres in Easthampton and Northampton along the western bank of the oxbow, the wildlife sanctuary offers visitors a range of landscapes and habitats attractive to birds, from marshes and meadows to grasslands and forest.
Grasslands and shrublands provide critical habitat for a wide range of plant and animal species, yet they are among the most rapidly declining types of habitat in Massachusetts.
A wide range of habitat improvements have been carried out including establishing the first industrial biodiversity action plan in the UK.
As the petition asserted, «the giraffe has suffered a major reduction in population size across its range primarily due to habitat loss, commercial overutilization, and severe poaching, and such decline continues unabated.»
«One general expectation is that tree ranges will gradually move toward higher elevations as mountain habitats get hotter,» said Michael Van Nuland, the project's lead researcher and a doctoral student in UT's Department of Ecology and Evolutionary Biology.
The researchers found that the body condition of alligators found near wading bird nesting colonies was higher than those in similar habitat without active colonies, independent of a range of environmental variables.
japonicus to expand its range is due to its ability to use a variety of «larval habitats and a cold tolerance that allows an expanded seasonal activity range in temperate climates,» according to a 2014 article in the Annual Review of Entomology.
«Those caribou herds that shift their range to remain within their habitat and those herds that are reduced in size and become isolated from neighboring herds are those most threatened with loss of genetic diversity,» said Hundertmark.
One positive finding of the ecological niche modelling study is that while the ranges of many species are expected to contract, much of the remaining suitable habitat for many species will be located within existing protected areas, and that the recent creation of new reserves such as Itombwe and Kabobo in the Democratic Republic of Congo, have greatly increased the protection of some species under threat by future climate change.
Ranids are found on every continent but Antarctica and in a wide range of habitats, from trees to deserts.
But habitat destruction and invasive species means these California red - legged frogs — exalted for their impressive leaps (the world record jump was more than 6 meters), have largely disappeared from their natural range in Southern California, The Washington Post writes.
Earlier this year an analysis of mitochondrial DNA conducted by researchers in the United States, Japan, and Taiwan estimated that the first anglerfish appeared about 160 million years ago, during the Jurassic Period, and quickly diversified as they spread into habitats ranging from shallow waters to the continental shelves to the harsh deeps.
The rarity of the Swainson's warbler has long been attributed to its finicky preference for large areas of densely vegetated breeding habitat in the southeastern U.S. and wintering range in the Caribbean basin.
Multituberculates arose in the Jurassic period and went extinct in the Oligocene epoch, occupying a diverse range of habitats for more than 100 million years before they were out - competed by more modern rodents.
Long - term survival of this wide - ranging species, however, will require that the jaguars receive protection in a variety of habitats.
Great - ape watchers may have become accustomed to reading about habitat loss and population declines, and indeed, researchers have previously engaged in a range of site - specific efforts and landscape surveys aimed at assessing the decline of suitable environmental conditions for African great apes.
The sites — including locations in the Crane Naval Surface and Warfare Center, Big Oaks National Wildlife Refuge, and state parks — varied in habitat size and form, ranging from small to large forest fragments with varying degrees of tree cover.
Researchers have found that the mating songs of male mountain chickadees (Poecile gambeli, shown) differ in their duration, loudness, and the frequency ranges of individual chirps, depending in part on the elevation of their habitat in the Sierra Nevada mountains of the western United States.
This could help avoid their own local extinction due to ever - increasing habitat degradation in their original range, could provide potentially robust stock for denuded areas, and assist in shortening the time needed for adaptation of stocks yet naïve to such extremes.
The U.S. Fish and Wildlife Service listed the northern spotted owl as threatened in 1990 because of the declines in old - growth forest habitat throughout its range in Washington, Oregon and northern California.
Most hyperdominants are habitat specialists that have large geographic ranges but are only dominant in one or two regions of the basin, and a median of 41 % of trees in individual plots belong to hyperdominants.
«Although we previously knew that Golden Eagles in eastern North America breed in Canada and winter in the Appalachians, this study helps us to understand the relationships between summering and wintering habitat use and how management and habitat loss may impact eagles throughout their breeding range.»
«To put that in perspective, that area is one - tenth the size of the home range of a Bornean elephant endangered partially by loss of its habitat due to deforestation.»
Study co-author Jianguo Liu of Michigan State University, who began studying the human and natural forces driving habitat loss in the panda's geographic range in 1996, noted that some of the changes that have occurred in the region are encouraging.
This ability to eat a wider array of foods is apparent in the sika deer's range of habitats.
«This demonstrates that while wood thrushes are sensitive to breeding forest fragmentation, it is not the main cause of declines, rather the loss and / or degradation of habitat in the winter range in Central America is the culprit,» Taylor said.
Tigers now occupy only 7 percent of their historical range, they noted, and a recent report found that the cats had lost 40 percent of their habitat in the last decade.
Britain also supports a wide range of projects through bilateral aid, often in areas and habitats essential to the conservation of species.
In coastal California newts the current and future ranges appear to overlap, but by the time that future habitat becomes available late in the century, her simulation indicates that the current range will have contracted so much that the animals have no route to get therIn coastal California newts the current and future ranges appear to overlap, but by the time that future habitat becomes available late in the century, her simulation indicates that the current range will have contracted so much that the animals have no route to get therin the century, her simulation indicates that the current range will have contracted so much that the animals have no route to get there.
The habitat ranges of the two species potentially overlap in a small area downstream of the rapids where a narrow canal connects the mouth of the Araguaia River with the Amazon River delta.
A team of more than 30 trained researchers and park officials looked for signs of bears in a variety of habitats in the Machu Picchu protected area, ranging from Andean rainforest to montane grasslands.
But for other species, like the black salamander, a changing climate produces new pockets of habitat to the north, but they don't ever overlap the salamander's current or future range in the San Francisco Bay Area, leaving the animals stranded.
Then the team assumed that animals could expand their ranges by about 12 kilometers per decade, and also could persist in an unsuitable habitat for 10 years.
This suite of techniques indicates promise for restoring vegetation and species of conservation concern in a wider range of degraded and disturbed habitats.
The report identified over 40 key actions needed to boost gibbon numbers and ensure their long - term survival, including enhancing monitoring systems to keep track of remaining individuals, creating canopy bridges between forest fragments to expand their habitat range, and limiting disturbance by people in forested areas.
Using these values, the computer can automatically add new habitat and rearrange the landscape in order to improve range shifting potential.»
Species with ranges that extend largely to the south — such as eastern redcedar, post oak, and shortleaf pine — may have increases in suitable habitat and biomass as the region warms.
So far, many are redistributing in a similar pattern: As habitat that was once too cold warms up, species are expanding their ranges toward the poles, whereas boundaries closer to the equator have remained more static.
To be able to do this successfully, they will need sufficient habitat in their existing range, their future range, and any intermediate areas to enable populations to survive and thrive.
They live in all oceans of the world from the equator to polar latitudes, and occupy a wide range of habitats from coral and rocky reefs, seagrass and algal beds, to sand and mud soft substrates.
The group is represented by possible habitat generalists (such as the large Enteroctopus dofleini which ranges from the intertidal to depths in excess of 450 m) and specialists (such as Vulcanoctopus hydrothermalis which is found only in hydrothermal vents).
Members of this family are found in marine habitats ranging from intertidal reefs to the deep sea (to at least 5000 m).
As to the larger study's suggestion that the Red List focus on viable habitat within a species» range, Butchart writes that IUCN is planning to do just that in future iterations of the list.