The Malagasy giant rat is threatened by habitat loss and competition from introduced black rats. |
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They seem to have no answer for sustained habitat loss due to human encroachment. |
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Pollution, citification, and rapid habitat loss due to industry and urban expansion are quickly killing the world's precious birds. |
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The lynx once ranged widely across Europe, but hunting and habitat loss have taken their toll. |
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Ornithologists tell us that habitat loss is the chief reason for this decline. |
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An abundance of poachers, a lack of game wardens and funding, and habitat loss due to illegal farming, were all still prevalent. |
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He insists this perception is wrong and that the main threat to curlews and plovers comes not from buzzards but habitat loss. |
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The most significant threats include habitat loss, fragmentation, and degradation. |
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The expansion of transport infrastructure has also resulted in habitat loss and landscape fragmentation. |
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Other threats may include overfishing, habitat loss, and an invasive swim bladder parasite. |
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Mountain gorillas are just one of the great ape species endangered by war, poachers and habitat loss. |
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Current threats include habitat loss or deterioration by siltation and increased turbidity, and impoundment of riffle areas. |
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The rate of habitat loss for the Eastern Lowland Gorilla is frighteningly high. |
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The sales message doesn't need to explain the complex science of biodiversity, nor repeat well-worn warnings around species and habitat loss. |
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Sawfish are threatened by overfishing, bycatch in fishing nets, and habitat loss. |
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However, peatlands are currently subjected to intensive habitat loss through anthropogenic activities. |
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This localized habitat loss would have the potential to affect some trappers in the region. |
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Numbers have shown a long-term decline as a result of habitat loss, brood parasitism and trapping for trade, mainly for the domestic market. |
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Temperate grassland ecosystems are imperiled globally, and habitat loss in North America has resulted in steep declines of endemic songbirds. |
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And the river's biodiversity continues to be affected by habitat loss and other human disturbances, as well as the invasion of foreign species. |
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Non-native plants and habitat loss are a concern, particularly in disturbed front-country areas adjacent to the transportation corridor. |
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Prior to 1990 the species had been decimated by a combination of habitat loss and capture of birds for the pet trade, and was considered extinct in the wild. |
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Amphibians such as frogs, toads, and salamanders are undergoing rapid population declines, most likely due to fungal disease, climate change, habitat loss, and pollution. |
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Threatened by habitat loss due to urban growth, agriculture, and cattle grazing, the pied tamarin also moves from Endangered to Critically Endangered. |
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The surviving hirola are threatened by drought, poaching and habitat loss. |
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Despite its wide range, the species is increasingly under threat after centuries of persecution and habitat loss to human activity and fire suppression. |
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Farming inhospitable regions brought greater habitat loss than ever before. |
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The third and last item I want to talk to you about is developing a compensation lake for the fisheries habitat loss. |
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For example, the extinction of species due to habitat loss can be rapid for some species, while it may take hundreds of years for others. |
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At first it was suggested it might be habitat loss, but Butler wanted to examine something else. |
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Add in stresses from habitat loss, disease and lice, overfishing, pollution, predators and, alas, we have a crisis. |
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Siltation is actually one of the greatest causes of habitat loss in Canada. |
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Targets with regard to the percentage of PAs to be designated by 2020 and the reduction of natural habitat loss by 2020 remain pending. |
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The hypothesis was raised that in addition to habitat loss, significant mortality during migration could be the cause of the decline. |
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The context of the unit will depend on local or regional issues involving wildlife or habitat loss. |
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According to experts, invasive species are the second most serious threat to biodiversity after habitat loss. |
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Dams and other barriers result in habitat loss and fragmentation and contribute to reduced or delayed recruitment. |
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Introduced invasive alien species are also a significant threat to biodiversity, second only to habitat loss and modification. |
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Coupled with habitat loss, the major threats to Seahorses include overharvest for commercial trade and bycatch in fisheries. |
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However, there are indications that habitat loss is continuing and the Habitat Policy does not seem to be working. |
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The highly developed nature of this region means that habitat loss is a major threat to the Chimney Crayfish. |
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The main causes for concern for these species are habitat loss, competition with cattle for grazing, and trophy hunting. |
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In reality, the descendant 17-column species had evolved allopatrically at least 2 million years earlier—and had simply migrated to the Midwest after the 18-column species had been driven to extinction through habitat loss. |
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In the United Kingdom, however, hen harrier populations are in a critical condition, due to habitat loss and illegal killing on grouse moors. |
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The central theme was the impact on migratory species of habitat loss as well as habitat restoration and management, including the effects of human conflicts. |
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Deforestation impacts the carbon cycle, as well as the global and regional climate, and causes the habitat loss of many species. |
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Some of these rare and specific species are highly endangered because of habitat loss, pollution and drought. |
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A biodiversity hotspot is a region with a high level of endemic species that has experienced great habitat loss. |
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The small isolated population of 200 animals was at risk from predation and habitat loss. |
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The key danger posed by climate change is malnutrition or starvation due to habitat loss. |
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Song birds in particular are becoming scarcer and habitat loss has affected larger mammalian species. |
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The country has lost nine out of ten water voles in recent decades due to habitat loss and predation by the introduced American mink. |
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The northern white rhino has been on the brink of extinction for years due to hunting and habitat loss. |
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Both the commercial and recreational conch fisheries in Florida are closed due to overfishing, and stocks have been slow to recover, partly due to pollution and habitat loss. |
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Although once a common sight, barn owl numbers have decreased rapidly over the last 30 years due to habitat loss and bad winters. |
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Increased poaching and habitat loss are having a devastating effect. |
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Woodland habitat loss and management and a warming climate are seen as material threats to their future status. |
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The pygmy shrew and southern bog lemming, which have limited home ranges, will experience habitat loss and reduced numbers as a result of land clearing and impoundment. |
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Birds like spotted flycatcher and tree pipit could benefit, along with other species which have dwindled due to habitat loss. |
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Besides drive hunting, they also face threats from bycatch, habitat loss, and marine pollution. |
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Furthermore, processes such as habitat loss, modification and fragmentation, and the introduction and spread of nonnative species will affect the impacts of climate change. |
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Also, real estate development often causes habitat loss by eliminating nesting beaches. |
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Sunda gharials are native to lowland swamps in South East Asia, where their numbers are diminishing due to habitat loss and hunting. |
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Sunda gharials are native to lowland swamps in South East Asia where their numbers are diminishing due to habitat loss and hunting. |
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Because of habitat loss, pollution, and overharvesting, the population of wild Chinese giant salamanders has dropped sharply. |
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Historical and ongoing land use practices have contributed to excessive amounts of nutrients and bacteria in the watershed, sedimentation, channelization and habitat loss. |
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It has been classified as Vulnerable due to habitat loss but is also likely to be susceptible to climate change impacts because of the likelihood of infection by chytrid fungus which is affecting many amphibians. |
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Canadian populations of the southern maidenhair fern are threatened by habitat loss resulting from indiscriminate human use of the hot springs in Fairmont, B. C., and associated development of the Fairmont Hot Springs Resort. |
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Since the 1800s, habitat loss from land-use conversion and increased predation and competition stemming from species invasions have caused bilby populations to decline. |
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Urban spread, expansion of crop agriculture and plantations all lead to habitat loss but the largest immediate threat to biodiversity is the expansion of degraded lands into sustainably used areas. |
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Knowledge of the status of wader populations can provide important information on the wider environment, including the effects of climate change, habitat loss, and degradation of habitat quality. |
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Researchers are still unsure of the reasons for their dramatic decline but some of the contributing factors for extinction include habitat loss, prairie dog and ground squirrel poisoning, and drought. |
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Physical fragmentation can lead to habitat loss at the local level and to loss of a population's connectivity and gene flow at the landscape level. |
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Prior to the invasion of the sea lamprey above Niagara Falls, Great Lakes fish communities were stressed by high fishing pressure and habitat loss. |
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Methodologies include direct and indirect impacts on biodiversity such as habitat loss and fragmentation, introduced species, pollution of soil, water and atmosphere and global climate change. |
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In Alberta mixedwood forests, there was direct habitat loss of old forest on cutblocks for mature forest bird species, but this was not compounded by additional negative edge effects extending into the remaining forest. |
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Other needed areas to address are coastal habitat loss, the protection of coral reefs, the monitoring of coastal health, the availability of information and effective coastal management mechanisms. |
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Three species, the Inca, Damara, and river terns, are expected to decline in the future due to habitat loss and disturbance. |
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The bristlebirds have suffered from habitat loss, increased fire frequency, grazing by introduced mammals, and predation by mammalian carnivores. |
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Where habitat loss is unavoidable, attempts are made to replace habitat. |
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Several species of rice rat have become extinct since the 19th century, probably through habitat loss and the introduction of alien species. |
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It is threatened by habitat loss, especially by drainage of its breeding sites, and some toads get killed on the roads as they make their annual migrations. |
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It is not particularly threatened by habitat loss because it is adaptable and is found in deciduous and coniferous forests, scrubland, meadows, parks and gardens. |
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The chief threats it faces are from habitat loss and human disturbance but populations have mostly stabilised following increased protection in India and Cambodia. |
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Ghana has an array of wildlife that can be seen at zoos and national parks in Ghana, although populations have been drastically reduced by habitat loss and poaching. |
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The European bison, the largest herbivore in Europe, became extinct in the wild in the early 20th century due to severe hunting pressure and habitat loss. |
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In southern Mexico, Central America, and South America, habitat loss and heavy hunting are pushing large turkey-like birds called guans and curassows toward extinction. |
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