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Topic: Habitat destruction

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  The Hindu : Metro Plus Visakhapatnam : Habitat destruction hits rare species
Destruction of forests and hills in the name of development is resulting in the gradual extinction of rare and sometimes even common species of animals in the city and district.
The destruction of habitat is forcing wild animals to stray into the nearby human settlements and prey of domestic animals like cattle and goats and sometimes even attack humans.
After the animals are released into their natural habitat, they should be tracked for at least two seasons to know their survival.
www.hindu.com /thehindu/mp/2006/03/11/stories/2006031103030100.htm   (550 words)

  AmphibiaWeb   (Site not responding. Last check: 2007-10-26)
Habitat destruction, alteration and fragmentation are probably the most serious causes of current and future amphibian population declines and species extinctions (Dodd and Smith 2003).
Habitat destruction is defined as the complete elimination of a localized or regional ecosystem leading to the total loss of its former biological function (Dodd and Smith 2003).
Habitat fragmentation is a secondary affect of habitat destruction.
elib.cs.berkeley.edu /aw/declines/HabFrag.html   (1106 words)

 Habitat destruction is the largest of the many threats to biodiversity
Habitat destruction and conversion for agricultural and forestry activities — and the associated degradation and fragmentation — are the biggest problems.
Habitat destruction and degradation threaten over 86% of GTBs and are currently the most serious pressures on the world’s birds.
Even for non-threatened bird species that have adapted to rural, semi-natural habitats, the intensification of agricultural practices is causing significant population declines in temperate and tropical regions alike.
www.birdlife.org /action/science/sowb/pressure/30.html   (610 words)

Habitat: On wet limestone cliffs in wooded ravines and on tree trunks in deciduous forest in mountains.
Habitat: Restricted habitat on the bark of Cryptomeria japonica (rarely on pine tree) in gardens of buddhist temples, shinto shrines and old castles.
Habitat: On rotten logs in periodically flooded, riverine forest and in dense, submontane "mossy" forest between 550 and 1,550m.
www.dbs.nus.edu.sg /lab/crypto-lab/WorldBryo.htm   (6415 words)

 Habitat destruction - AskTheBrain.com
The habitat destruction is decreasing the jaguars prey and fragmenting the jaguar populations into isolated pockets decreasing the genetic diversity among the jaguars in the area.
Rapid destruction of natural habitats and extinction of native species has led me to integrate formal ecological and evolutionary studies with research on the impact of deforestation and to extensive training and consulting activities.
Habitat destruction, invasive alien species, overexploitation and pollution are powerful threats to the biodiversity of freshwater ecosystems.
www.askthebrain.com /destruction_habitat-.html   (338 words)

 Habitat Destruction
Destruction and degradation have obvious impacts on various species; if the habitat is not there anymore then you cannot use it.
Habitat fragmentation is a product of habitat destruction but it may be dangerous since it does leave some habitat intact and this is used as justification.
Isolation is partly a factor of the hostility of the intervening habitat.
www.science.mcmaster.ca /biology/CBCN/genetics/fos_tig5.htm   (430 words)

 HCPB-Publication Information
Although habitat destruction along the Colorado River and Imperial Valley has been extensive and has certainly been a factor in the decline, the Harris' Hawk does not require extensive riparian woodland, and presumably small populations could nest in remaining brushlands adjacent to agricultural areas.
Reasons for the decline: Habitat destruction and human disturbance, particularly from boating (Lederer 1976), appear to be the main causes for the decline of the inland populations.
Destruction of mesquite brushland in the Coachella, Imperial, and Colorado River valleys is the main factor in the decline of lucida.
www.dfg.ca.gov /hcpb/info/bird_ssc.shtml   (15369 words)

 Modern Causes of Species Extinctions: Habitat Destruction
Habitat destruction is an important cause of known extinctions.
Habitat damage, especially the conversion of forested land to agriculture (and, often, subsequent abandonment as marginal land), has a long human history.
Habitat destruction is especially serious when it threatens hotspots (areas of high species richness) and regions with many endemics.
www-personal.umich.edu /~dallan/nre220/outline6.htm   (512 words)

 Biodiversity Conservation Alliance
The species is extremely sensitive to habitat destruction and degradation and is vulnerable to the effects of desiccation, or the loss of life sustaining moisture.
Because of its presence in high quality and undisturbed forest and riparian habitats, its slow movement, and its vulnerability to disturbances and/or anthropogenic habitat destruction and degradation, the species is sensitive to and responds quickly to the effects of ecological change.
Continued habitat destruction and degradation due to domestic livestock grazing, logging, road construction, pesticide and herbicide application, mining, spring development, groundwater extraction, and recreational activities threatens to further destroy, modify, and/or curtail the habitat and range of the species.
www.voiceforthewild.org /bhnf/pubs/snail_exesum.html   (1071 words)

 Habitat destruction -- Facts, Info, and Encyclopedia article   (Site not responding. Last check: 2007-10-26)
Habitat destruction is a process of (Click link for more info and facts about land use) land use change in which one (The type of environment in which an organism or group normally lives or occurs) habitat-type is removed and replaced with some other habitat-type.
In the process of land-use change, (A living organism lacking the power of locomotion) plants and (A living organism characterized by voluntary movement) animals which previously used the site are displaced or destroyed.
Generally this results in a reduction in (The diversity of plant and animal life in a particular habitat (or in the world as a whole)) biodiversity.
www.absoluteastronomy.com /encyclopedia/h/ha/habitat_destruction.htm   (131 words)

 Conservation biology: Habitat Destruction   (Site not responding. Last check: 2007-10-26)
Habitat destruction is the main cause of the loss of biological diversity due to the expansion of human population and human activities.
To ensure that the threat to biological diversity is significantly reduced, habitat destruction should be prevented.
Habitat fragmentation is the process in which a large piece of land is reduced and continuously divided into two or more fragments.
consbiominasso.blogspot.com /2005/01/habitat-destruction.html   (499 words)

 Berkshire Taconic :: Conservation issues :: Fragmentation and Destruction of Habitat
Habitat fragmentation and destruction occurs when a disturbance significantly alters the ecological makeup of a natural community, so that it can no longer sustain its plants and animals.
A major cause of habitat fragmentation and destruction is rural sprawl, which results from a number of factors, including poor planning, zoning, or other regulation.
Habitat destruction directly reduces the amount of habitat available for wild plants and animals by replacing it with structures or landscapes designed for human use, such as homes, golf courses, and shopping plazas.
www.lastgreatplaces.com /berkshire/issues/art6588.html   (966 words)

 Effects: Habitat Degradation, Loss, and Fragmentation
Habitat loss is the outright destruction of habitat, such as filling a wetland or channelizing a section of stream.
Aquatic and bay habitats are adversely impacted by the nonpoint pollutants and the higher volumes of runoff issuing from urbanized lands.
One consequence of habitat fragmentation is an increase in the amount of edge (boundaries between different habitats), such as that between a forest and a road or a lawn and a wetland.
chesapeake.towson.edu /landscape/impervious/all_habitat.asp   (539 words)

The main cause of habitat destruction is the rise of human population.
The current habitat loss, caused by human does not give species a chance to adjust, thus causing endangerment and extinction.
Habitat destruction is also the main cause in the decline of biological diversity.
www.geocities.com /evirosite24/habitat.html   (417 words)

 Piping Plover Atlantic Coast Population Recovery Plan: Reasons for Listing and Continuing Threats
Habitat loss and degradation, disturbance by humans and pets, and increased predation were cited as important causes of the downward trend that started in the late 1940's (USFWS 1985) and continues to the present time in some portions of the Atlantic Coast.
Destruction of beach habitat by residential, resort, and seawall development constitutes irrevocable habitat loss for piping plovers.
Habitat availability for nest site selection is decreased where blowouts or gaps in the foredune are "plugged," increasing the foredune slope.
pipingplover.fws.gov /recplan/threats.html   (3951 words)

 People & the Planet > biodiversity > newsfile > habitat destruction costing the earth $250 billion a year
Habitat destruction continues unabated throughout the world, but mounting evidence suggests that this trend is costing the world around $250 billion each year - and every year into the future - warns a report in Science.
However, natural systems are changing from their intact state at a rate of 1.2 per cent per year, or 11.4 per cent in the decade since the last sustainable development summit in Rio de Janeiro.
The study estimates that by spending about $45 billion a year to conserve natural habitat on land and in the oceans, the net return on the services produced by nature would be between $400 and $520 trillion.
www.peopleandplanet.net /pdoc.php?id=1734   (714 words)

 EPA > Bird Conservation > Basics of Bird Conservation in the U.S.
Habitat islands occur naturally in the ocean, of course, and some species are adapted to living on these islands.
Habitat quality is a product of the interaction of physical factors, such as soil type and hydrology, and biotic factors such as the species present and the structure of the vegetation.
Habitat losses have especially affected forest and grassland-nesting birds in the U.S. For many species, declines are compounded by losses of wetland and riparian zone migratory stop-over locations.
www.epa.gov /owow/birds/basics.html   (8977 words)

 Causes of Endangerment
Endangerment is a broad issue, one that involves the habitats and environments where species live and interact with one another.
The loss of microbes in soils that formerly supported tropical forests, the extinction of fish and various aquatic species in polluted habitats, and changes in global climate brought about by the release of greenhouse gases are all results of human activity.
Native species are those plants and animals that are part of a specific geographic area, and have ordinarily been a part of that particular biological landscape for a lengthy period of time.
www.endangeredspecie.com /causes_of_endangerment.htm   (898 words)

 Grizzly Project - habitat destruction
Raincoast believes that large interconnected network of core grizzly bear habitat must be established in the Great Bear Rainforest to ensure the long term survival of North American coastal grizzly bears.
The large body size and subsequent food requirements to support a coastal grizzly bear is one of the reasons that large areas of undisturbed habitat is required.
Conservation biologists estimate that for each kilometer of road, ten hectares of habitat is fragmented.
www.raincoast.org /proj-grizzlies/grizzly-project-2.shtml   (515 words)

 tropical deforestation and habitat destruction
Habitat loss takes several forms: outright loss of areas used by wild species; degradation, for example, from vegetation removal and erosion, which deprive native species of food, shelter, and breeding areas; and fragmentation, when native species are squeezed onto small patches of undisturbed land surrounded by areas cleared for agriculture and other purposes.
While much attention has been paid to deforestation and other forms of habitat destruction, few attempts have been made to measure the loss of habitat through fragmentation and edge effect.
A 1993 study of deforestation and fragmentation in the Brazilian Amazon basin between 1978 and 1988 found that of total habitat affected, only 39 percent could be attributed to outright forest conversion; the rest occurred through fragmentation and edge effect.
www.cotf.edu /ete/modules/troppois/tpdeforestation.html   (215 words)

 Habitat destruction and habitat fragmentation   (Site not responding. Last check: 2007-10-26)
Most of the grasslands and forests of the Northern Hemisphere were destroyed by the end of the nineteenth century, the grasslands of the southern hemisphere are now vanishing, and tropical forests are disappearing at a rate of about 2% per year.
This type of destruction has become the norm for most biological communities, as the human population expands our economic needs require resources from more and more land.
The remaining habitat is often broken into many small fragments, which are separated by large areas of land under cultivation or other human uses, effectively reducing a single "continent" into many "islands".
www.uic.edu /classes/bios/bios101/Extinction/tsld005.htm   (100 words)

 Habitat for Humanity Int'l
Habitat wanted to respond to the destruction, and after assessing a number of villages in the south, Rebuilding Lebanon, the Disaster Response project, was initiated.
Habitat with partner NGOs, including Dialogue in Development, and in conjunction with the local Municipality of each village, are providing grants, ranging from $50 to $5,000, to assist people in rebuilding their homes.
We know that by participating in a Habitat for Humanity build, we have the opportunity to reach out and touch people in a way that would not otherwise be possible.
www.habitat.org /ame   (452 words)

 The threats to butterflies and moths
Habitat destruction has been and remains a major threat to butterflies and moths.
Destruction and bad management of hedgerows has removed what are often the last refuge of butterflies in intensively farmed landscapes.
They therefore rely not only on the continued existence of their wild habitat but also on the maintenance of good breeding conditions by the correct type of habitat management.
www.butterfly-conservation.org /bc/threats   (899 words)

 Habitat protection sought for bears - billingsgazette.com
True recovery would involve preserving wildlife-movement corridors so that grizzlies in Wyoming could connect with Canadian bears, she said, adding that Yellowstone's grizzly population is not genetically diverse enough to sustain itself.
The Yellowstone bears continue to face threats from human intrusion and habitat destruction resulting from increased motorized recreation, logging, drilling and sprawl, Willcox said.
The Forest Service is proposing to amend management plans for the forest to include habitat standards, a nuisance bear standard and monitoring requirements for grizzlies.
www.billingsgazette.com /index.php?id=1&display=rednews/2004/11/01/build/wyoming/68-bear-habitat-protection.inc   (280 words)

 Physical Alterations and Destruction of Habitat   (Site not responding. Last check: 2007-10-26)
This destruction of habitat exacerbates overharvesting of these living marine resources leading to a growing risk that they are being depleted.
In the simplest sense, coral reefs are wave-resistant piles of limestone and calcareous sediments built by a thin veneer of living organisms-individual living coral animals termed polyps.
For example, foraging by predatory crabs is limited in most high-marsh habitats both by reduced flooding duration and by dense marsh vegetation that prevents access and limits mobility.
www.gpa.unep.org /pollute/PADH/padh1.htm   (1735 words)

 Habitat Destruction and Wetlands Protection Violations
The Waterford Development Corporation's Phase I (luxury apartments) and Phase II (single family homes) projects have caused extensive deforestation and habitat loss up to and during the summer of 2003, and there will be more of the same in the near future.
It is closely adjacent to unspecialized or specialized wetlands, and formerly served as habitat for beaver, moose, deer, great blue heron, ladies slippers, and numerous other species.
This requirement was ignored as land clearing and construction activities got underway and proceeded through the summer and fall of 2003, until the complaints of concerned citizens brought about limited inspections and Waterford was called to task for its violations.
www.mv.com /ipusers/env/habitatdes.html   (568 words)

 AWF: IGCP Leads Regional Response to Mountain Gorilla Habitat Destruction
Reports of mass deforestation in the Southern Sector of the Virunga National Park in the Democratic Republic of Congo (DRC), habitat of the endangered mountain gorilla (Gorilla beringei beringei), were confirmed in June of this year.
As a result of extensive habitat destruction and land conversion by people accompanied by Rwandan military personnel, a total of 15 km2 of natural habitat, including bamboo forest and mixed-forest (which forms the diet of mountain gorillas), was cleared for conversion to pastoral and agricultural land.
The reason provided by Rwandan authorities for these activities was to clear the land to enhance security and to prevent rebel groups from hiding in the forest in order to avert ambushes and continued insecurity in the region.
www.awf.org /content/headline/detail/1226   (649 words)

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