Sentences with phrase «of habitat types»

I conducted research on white - tailed deer including mapping and sampling of its habitat types determining habitat selection home range size and structure and conducted behavior and population dynamics studies using radio - tel...
In total, these tracts cover approximately 11 million acres of the Reserve and protect a variety of habitat types and species.
Habitat Big - eared bats have been reported in a wide variety of habitat types ranging from sea level to 3,300 meters.
In its native environment, the wild cat is adaptable to a variety of habitat types: savanna, open forest, and steppe.
These bursts were found in phylogenetic trees created for 22 microbial communities, chosen to represent a breadth of habitat types: plant, marine, and human gut and skin.

Not exact matches

No predictions were made as to the future habitability of the Town of Tangier at 2100 or the types of habitat (upland or wetland) that might be present, though study authors did note that interior water had increased over time and that present upland ridges may need to be raised in the future.
But the other reason is that fossilization is a very rare event and only takes place in a few types of habitats (ones in which oxygen is absent for example).
Under low prices, farmers anticipate clearing forest for cereal, corn, or khat crops, or large government - sponsored sun coffee farms, threatening habitats of all types.
Discover different types of birds and their habitats.
Careful site selection for renewable facilities of all types is important to minimize the loss and fragmentation of wildlife habitat and forests that sequester carbon.
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.
Mass Audubon successfully conserves additional land all the time — from stands of old growth forest in the Berkshires to coastal habitats on the Cape and islands to the precious salt marsh of the North Shore — and every type of habitat in between.
«It's not the same type of habitat.
CORAL reefs have generated more types of animal than all other marine habitats put together.
«So we don't have good data on what types of habitat they're using.»
The new study shows that stochastic influences also play an important part in determining the location of young trees, i.e. the type of habitat in which they will grow, which again turns tree species into generalists.
The fur prices of coyotes and red foxes are also strongly correlated, and the two species occupy much of the same types of habitat, so they are equally likely to be targeted and caught in hunters» traps.
If the extinction trend continues apace, modern elephants, rhinos, giraffes, hippos, bison, tigers and many more large mammals will soon disappear as well, as the primary threats from humans have expanded from overhunting, poaching or other types of killing to include indirect processes such as habitat loss and fragmentation.
That's how a new and improved habitat — whimsically called La Chalupa, Spanish for a type of fishing boat with a tendency to capsize — got its start.
Corridors are only one type of connectivity, which may take forms other than simple linear strips of land, including patches, or stepping stones, of habitat.
But Hugh Possingham of the University of Queensland in Brisbane, who invented the software used to define such sites, says planners need to be sure to conserve 20 percent or more of every type of habitat within a protected area, and Australia hasn't done that.
Trapping and handling hundreds of woodrats (also known as packrats), the scientists found that the two species are highly associated with different habitat types, though they may live within meters of each other along the boundary.
SAN FRANCISCO — A joint Indonesian — U.S. expedition in the Sulawesi Sea mapped at least 25 different types of undersea habitats and may have discovered dozens of new species, scientists announced here December 13 at the American Geophysical Union meeting.
It should include, as a matter of priority, endangered soil habitats and soil types, where the most diverse microbial communities are to be found.
In the European Union, among assessments of the conservation status of species and habitat types of conservation interest, only 7 % of marine species and 9 % of marine habitat types show a «favourable conservation status».
The scientists said in their report that the model used in this research should work equally well in various types of marine habitat, including mangroves, temperate hard - bottom systems, estuaries and seagrass beds.
«Or selection pressure for maintaining color vision could have relaxed because it wasn't a big advantage in the habitat or types of hunting used at the time.»
But the complexity of facial color patterns is not related to habitat type.
The Central Valley's protected wetlands (federal wildlife refuges, state wildlife areas, and private lands) and certain types of agriculture (e.g. rice, alfalfa), provide nearly all of the habitat used by millions of ducks, geese, shorebirds, and other waterbirds every fall, winter, and spring.
They say this is the first evidence of natural selection maintaining separate specialised types of the same species of fish, each adapting to different habitat depths within a single population spanning two kilometres of depth in the deep sea.
Do birds in the same habitat have similar types of feet?
In this interactive exhibit, count up the different types of organisms that pass through a cubic foot of land or water in a single day in various habitats, including a coral reef in French Polynesia.
The findings show that the Ellesmere Protarctos lived in a northern boreal - type forest habitat, where there would have been 24 - hour darkness in winter, as well as about six months of ice and snow.
«Based on our results it looks increasingly like sites which were predominantly heathland but are now a combination of heathland, grassland and woodland probably provide a better landscape for pollinators than a landscape with just one habitat type,» she explains.
As cities are vastly different to natural habitats, and contain many new types of food, boldness is likely to be a very useful trait for urban birds to have.
The researchers identified several criteria for choosing umbrella species — such as big carnivores, most long - lived, habitat specialists, and ones on the verge of extinction — and analyzed how many imperiled species might be saved by protecting the habitat of that type of umbrella species, compared to species saved by randomly picking a set of species to serve as the umbrella.
In a more heterogeneous environment some genes will be better for one type of habitat (high - quality food) and other genes will give the animals a little leg up in the second habitat (low - quality food), thus upping the appeal of swapping some genes via sex.
Puma concolor, commonly known as puma, panther, mountain lion, cougar, and dozens of other names, is found in every major type of habitat, from southeastern Alaska almost to the southern tip of South America.
With this in mind, researchers from Concordia and the University of Tennessee studied the importance of different types of habitats for insectivorous bats living in and around agricultural regions.
The study, «Hydroacoustics as a tool to examine the effects of Marine Protected Areas and habitat type on marine fish communities,» appears Jan. 15 in the journal Scientific Reports.
They can stimulate vegetation regeneration, promote a diversity of vegetation types, provide habitat for many species and sustain other ecosystem services, such as nutrient cycling.
The study identifies such climate change refugia based on the amount of natural habitat present and the risk that regions shift to a different type of natural vegetation due to climate change — a phenomenon known as «biome shift».
• proximity to habitat edge (where any of four natural habitat types might abut one another) and proximity to human - made features.
Urbanization is an important factor because it changes the species composition in an area, favoring the types of mosquitoes that live near and feed on people, such as Aedes aegypti, and causing other species to decline, such as those adapted to wetlands and other natural habitats.
(iv) the potential for conservation of species or habitat types at serious risk due to climate change, ocean acidification, and other stressors.
This also means the birds presented different competition intensity in different habitat types and varying levels of competition to other seed eating species.
«Long - term projections of the type presented here are always crude caricatures but I like this study because it does take a more mechanistic approach based on the known habitat requirements of the species rather than using a more traditional and simplistic thermal envelope model,» he said.
Some scientists believe that such subsurface lakes of water provide potential habitats for Earth - type life.
To spread the risk of losing one habitat type in a bleaching event or other natural disaster, managers should protect multiple examples (replicates) of the full range of marine habitat types, and spread them out to minimize the chance that they will all be wiped out by the same disturbance.
Recovery is also highly variable and depends upon interactions of numerous factors, e.g., scale of the disturbance, availability of larvae from surviving corals, availability of substrate for coral settlement, and the type of coral community that existed at the time of the disturbance.ref Changes in storm patterns also threaten associated coral reef habitats such as mangroves.
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