Sentences with phrase «breeding habitat in»

Studies of the ringed seal (Phoca hispida Schreber 1775) in its breeding habitat in Kongsfjorden, Svalbard.
The paucity of data regarding population status of emperor penguins is largely due to the logistical difficulties of accessing potential emperor penguin breeding habitat in areas of Antarctica that are not in close proximity to research stations.
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.
Piping plovers (adult pictured), a federally threatened species of shorebirds, are likely losing wetland breeding habitat in the Great Plains as a result of wetland drainage, climate change or both, according to the U.S. Geological Survey.
Piping plovers, a federally threatened species of shorebirds, are likely losing wetland breeding habitat in the Great Plains as a result of wetland drainage, climate change or both, according to a new U.S. Geological Survey study.

Not exact matches

Specifically, Commonwealth environmental water was released from Hume Dam to support in - channel, wetland and low elevation floodplain habitat along the length of the River Murray to improve the condition and promote the migration of native fish species; support waterbird habitat and breeding events; and, mobilise and export salts from the River Murray system.
Commonwealth environmental water was delivered in upper Broken Creek and Moodies Swamp in spring 2014 to maintain waterbird habitat and support refuge sites and food sources to help boost waterbird populations (and breeding) across the Murray - Darling Basin.
Commonwealth environmental water helped maintain a mosaic of habitats including native vegetation, stimulated breeding and recruitment of several native fish, frog and turtle species, and resulted in a boom of productivity in the system.
There, you can read about Hispaniola's great biodiversity, including 30 endemic bird species; the importance of the island to birds that winter and migrate through the West Indies and breed in North America; and the critical role of shade coffee in preserving habitat on an island with a very high level of deforestation.
In the Western Hemisphere, traditional coffee plantations harbor a wide variety of birds, and they are crucial as wintering habitat to dozens of species of birds that breed in North America but winter in the tropicIn the Western Hemisphere, traditional coffee plantations harbor a wide variety of birds, and they are crucial as wintering habitat to dozens of species of birds that breed in North America but winter in the tropicin North America but winter in the tropicin the tropics.
As farms disappear and forests return, the large swaths of hay fields and similar habitats that bobolink require for breeding and raising young continue to shrink in size and number.
Hurricane Katrina destroyed the habitat of breeding colonies in Louisiana's Pearl River Basin, for instance, but bird numbers held steady, researchers noted in the journal Forest Ecology and Management.
The scientists also suggest setting up extra breeding stations for key species, in addition to the two centres already being built, to act as arks, so that enough amphibians could be bred to recolonise the habitats in a crisis.
Sure enough, parents nesting in insect - poor habitat averaged 77 % sons, while breeding pairs living on territories with abundant food produced 87 % daughters.
Frank Thompson, a wildlife biologist with the U.S. Forest Service in Columbia, Missouri, says of Winfree's work, «It's important to understand why cowbirds prefer certain habitats to breed in — and this is going to help do that.»
Discarded pet Burmese pythons are breeding in the Everglades — and climate change could make a third of the US potential python habitat.
Rusty Blackbird (Euphagus carolinus) populations have decreased by about 95 % in the last fifty years, but the reasons are not well understood; it doesn't help that their preferred breeding habitat, stunted conifers deep in the wetlands of the boreal forest, makes finding and studying them difficult.
The research also shows how important habitat in the Midwest Corn Belt is for the monarch; this is the predominant region where the insects breed, the study found.
«For the first time,» co-author C. Page Chamberlain of Stanford University notes, «we have evidence that it may be possible to restore breeding populations in the north by preventing habitat loss in the south, allowing us to develop an international conservation strategy for dealing with songbirds.»
Moreover, different species of abalone spawn in the open sea but, despite overlapping habitats and breeding seasons, hybrids rarely occur,» says Professor Jovine.
From 2011 - 2014, the team tracked the birds» movements and their habitats during breeding from April to August across 12 locations in southern Indiana.
But there are many unknowns about the current status of 11 species of marine mammals who depend on Arctic sea ice to live, feed and breed, and about how their fragile habitat will evolve in a warming world.
The yearlong trial, several years in the planning, will track 12 captively bred juvenile tortoises released to each of two sites roughly 250 kilometers south of their native habitat on the outskirts of Perth, Australia.
Scientists studying whether wildlife can adapt to climate change should focus on characteristics such as what they eat, how fast they breed and how well they survive in different habitats rather than simply on how far they can move, a conservation biologist at the University of Exeter says.
To figure out if tropical milkweed is increasing OE infections among monarchs, Satterfield enlisted scientists and volunteers to help her sample thousands of butterflies at breeding sites in the United States, as well as in their winter habitat in Mexico.
While breeding and reintroduction programs are becoming more effective by providing more pandas to bolster the wild populations, conservationists believe that learning more about the importance of personality combinations in breeding success could ultimately help boost the number of pandas even further — not only in accredited zoos, but also in their habitats in China.
As this species only breeds in bamboo, unregulated overharvesting of bamboo for paper and pulp may destroy breeding habitats and have a negative impact on the long - term viability of populations.
«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.»
Receding glaciers and increased breeding habitat have led to population increases for Adélie penguins, left, in the South Antarctic sea, according to New Zealand researchers.
«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.
Using both DNA sequencing and morphology, along with differences in plumage, breeding biology, vocalisation, habitat, distribution, dispersal and migration it was possible to show the differences between the two species.
The authors point out that although conservation and breeding work in the world's zoos is an important effort, it should not take focus from the needed efforts to preserve the natural habitats of endangered animals.
Christopher Peck and colleagues used GPS telemetry data from males like this one to predict the behavior and habitat selection of bears exploring landscapes outside the Greater Yellowstone Ecosystem, on journeys that could bring them into contact with breeding grizzly populations in the Northern Continental Divide Ecosystem, and vice versa.
It «will assess at - sea habitat use and migration paths of adult brown pelicans that breed in the SAPA and, should energy development occur there in the future, be used to map potential risk areas,» Jodice said.
The loss of breeding habitat, especially milkweed, due to the increased use of genetically modified herbicide - resistant crops, is an important factor influencing the decline of monarchs in the eastern United States.
Passenger pigeons, for example, will initially be bred in captivity by zoos, then placed into netted woods, and then finally re-introduced to portions of their original habitat — America's eastern deciduous forest.
Indeed, if a migrant like the Golden - winged Warbler is wintering in habitat that's at risk to deforestation, protecting its breeding grounds is only half the equation.
Both generally and in relation to their chosen animal, children consider how habitat, conditions and human activity contribute to the numbers of breeding animals.
Likewise, bringing environmental concerns, habitat destruction and breeding programmes in the face of near extinction in the wild have brought the reality of the world that we live in to life in unprecedented ways at ZSL London Zoo.
To ensure that these smaller breeds of hamsters and mice can easily forage through their environment, the tubes in this habitat are narrower, thereby facilitating their exploring throughout their home.
ASPCA Position The ASPCA opposes the breeding and possession of hybrid dogs and cats as family pets, both for the safety of the public and for the humane treatment of wild animals who are meant to live in their natural habitats.
We are dedicated to finding a diplomatic and productive approach for advancing the levels of knowledge of breeding, habitat, diet, maintenance, and the overall commitment required in the care of ferrets.
While a successful captive breeding and release program has yet to be developed for any parrot species, we do support scientifically - based, bona fide parrot conservation programs undertaken by teams of experts in population genetics, ecology, animal behavior, habitat conservation and restoration, natural resource management, economics, politics, sociology, and all of the other fields that must be considered if such a program is to succeed.
So, even setting aside the complexities of source - sink dynamics, these inflated predation rates, combined with the fact that «the estimates of breeding density presented in this manuscript should be regarded as minima,» [3] raise serious doubts about whether the site is in fact a habitat sink (or, if so, to what extent).
Gradually reducing the numbers of cats in a habitat by contrast allows the native predators to breed up to the carrying capacity vacated by cats, until the native predators have completely taken over.
In addition, removing cats en masse from a habitat allows more cats - probably unneutered - to move back into the colony habitat, starting the cycle of breeding all over again.
Derived from the Latin word for Terra, many working terriers were selectively bred to hunt vermin, large rodents and foxes by «going to ground» in their underground burrows and dens and forcing them out of their habitats where the hunters awaited them.
This breed is found in Syria, where agriculture and human development are taking over the hamster's natural habitat.
California kingsnakes require an ideal ambient temperature of 70 degrees to 75 degrees F with a basking temperature of between 85 degrees and 90 degrees F. Although there is debate on the lighting needs of this breed, many owners will provide fluorescent light for about 10 hours per day to mimic sunlight in the snake's natural habitat.
Featured speakers include: Eric Bodrock, owner of All Oddball Aquatics, a tropical fish hatchery and independent online retailer of aquarium hobby equipment; Patrick Donston, owner and operator of Absolutely Fish, a MAC certified facility and wholesale retail store; Heiko Bleher, a conservationist, lecturer and scholar of aquatic habitats, fish and biotope correct aquaria; Oliver Knott, a German aquarium designer, professional live aquascaper and InVitro plant specialist; Bob Fenner, an avid ornamental aquatic enthusiast and author of several books; Oliver Lucanus, a German - born writer, photographer and explorer of South American fish habitats; and René Krüter, a notable pioneer in the fishkeeping and breeding field, specifically Tanganyika cichlids.
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