Loss of habitat in northern Canada; epicurean hunters in France (the subject of their own doc, Emptying the Skies); and predatory pet cats everywhere are reducing the numbers of wild songbirds worldwide.
A newly published research study that combines effects of warming temperatures from climate change with stream acidity projects average losses of around 10 percent of stream habitat for coldwater aquatic species for seven national forests in the southern Appalachians — and up to a 20 percent
loss of habitat in the Pisgah and Nantahala National Forests in western North Carolina.
And with sand mining comes disruption and
loss of habitat in sand sources such as quarries, rivers, lakes and oceans.
Not exact matches
Based on the available information, the EPA
in 2014 determined the mine would result
in a complete and irreversible
loss of fish
habitats in some areas
of the bay.
As part
of the mines continued operations the waste rock dump is to be expanded, resulting
in the
loss of 75.7 ha
of habitat for three threatened species
of Black Cockatoo.
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.
He is also a commissioner for the Global Ocean Commission, whose mandate is to formulate politically and technically feasible short -, medium - and long - term recommendations to address four key issues facing the high seas: overfishing, large - scale
loss of habitat and biodiversity, the lack
of effective management and enforcement, and deficiencies
in high seas governance.
«The one process ongoing
in the 1980s that will take millions
of years to correct,» Harvard biologist E. O. Wilson has warned, «is the
loss of genetic and species diversity by the destruction
of natural
habitats.
Most
of this
loss is due to the destruction
of habitats such as forests, especially those
in the tropics.
In 2017, The New York Times reported that the Bornean orangutan's population had declined by more than 80 percent in the last 75 years largely because of habitat los
In 2017, The New York Times reported that the Bornean orangutan's population had declined by more than 80 percent
in the last 75 years largely because of habitat los
in the last 75 years largely because
of habitat loss.
Loss of essential grassland
habitat, increased use
of toxic pesticides, reduced availability
of nesting grounds, disease, and a changing climate with extreme weather patterns have all played a role
in their decline.
While overall
habitat loss is a factor
in these declines, research also indicates that even fields
of sufficient size, if they are fragmented or interrupted by hedgerows or natural windbreaks, will be passed over by the birds, which may view the linear plantings as cover for predators.
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.
These projects include work to protect water voles
in the South West
of England from
habitat loss and predation by the American Mink; work to safeguard the future
of dormice
in Cheshire and the creation
of wildlife corridors benefitting birds, mammals and amphibians
in North Wales.
Measures to promote green spaces and wildlife corridors
in order to halt the
loss of habitats and restore biodiversity.
But more than 40 percent
of the land - dwelling animals that live
in mangrove forests are now under pressure from
habitat loss, concludes an analysis published this week
in BioScience.
The ferrets survive on a diet
of mostly prairie dogs and had nearly gone extinct
in the 1970s due to centuries
of habitat loss, prey declines and plague.
«We see an accelerating decline
in coastal species over the last 1,000 years, resulting
in the
loss of biological filter capacity, nursery
habitats and healthy fisheries,» notes team member Heike Latze, also
of Dalhousie.
The study, which was published
in the Proceedings
of the National Academy
of Sciences, presents a historical view
of how climate change and the resulting
habitat loss can affect Earth's biodiversity.
In the next 35 years, Voigt's team calculates that further
habitat destruction alone will lead to the
loss of around 45,000 more
of these apes.
Regional studies suggest that marine heat waves may provoke «widespread
loss of habitat - forming species such as kelps and corals, drive shifts
in species distributions, alter the structure
of communities and ecosystems, and have economic impacts on aquaculture and seafood industries through declines
in important fishery species,» they note.
«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.
The native «Old Goats» are now only found
in small feral herds, whose existence is under constant threat from
habitat loss, culling and the ongoing impact
of Swiss introgression.
«We're assuming that the distribution
of the species
in the future will be constrained by the
loss of their
habitat,» said James Hatten, a biogeographer at USGS and author
of the research.
It cites a combination
of factors such as pesticides, insecticides and
habitat loss for the dramatic declines
in bee numbers around the globe.
Toohey said the two studies strongly suggest that permafrost
loss is leading to massive changes
in hydrology within the Arctic and boreal forests that may have consequences for the carbon cycle, fish and wildlife
habitat and other parts
of the ecosystem.
On a per - unit - area basis, the cannabis grows resulted
in 1.5 times more forest
loss and 2.5 times greater fragmentation
of the landscape, breaking up large, contiguous forest into smaller patches and reducing wildlife
habitat.
«While a shark attack is important, it's not nearly as important as the fact that sharks are
in decline around the world as a result
of overfishing and
habitat loss.»
Loss of habitat and climate change are pushing 178 species toward extinction
in the continental U.S.
«We don't yet know whether cats or
loss of habitat is the biggest contributor to the widespread mammal decline that we are seeing
in Australia.
One has to keep
in mind that this normally does not harm the rich populations —
in contrast to the
loss of habitat through destruction
of the forest.
To assess the situation
of the Iberian lynx and other felid species that live
in the wild on our planet, a team
of Brazilian and Spanish scientists has reviewed the scientific literature that exists on the main threat for these mammals: the
loss and fragmentation
of their
habitats.
Marine litter can act as an enabler
of this
loss: non-indigenous invasive species often use litter
in the ocean as a
habitat in which to hide, as a platform on which to settle or as a transport medium for moving into new territories.
The analysis identifies
habitat loss and hunting as the biggest reasons behind the decline
of land mammals; marine species face additional threats, including pollution and accidental death
in fishing nets.
«Certainly, as a result
of that, it has resulted
in a lot less
loss and fragmentation
of Wyoming's sagebrush
habitat.»
The floral turnover may have affected terrestrial vertebrate communities as the
loss of wetland
habitat space and an increase
in arid climate adapted plants may have dwindled the supply
of palatable vegetation for herbivores.
Then their numbers declined drastically as they became victims
of hunting, and
loss of prey and
habitat, and, starting
in the late 1940s, use
of the pesticide DDT — which thinned the eagles eggshells and prevented hatching.
«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.»
Yet
loss of habitat is the most significant threat to endangered species
in Australia.
«Curlews can't survive
in the Central Valley without irrigated agriculture, given the
loss of most
of their historic shallow - water
habitats in summer and fall,» says Dave Shuford, Point Blue ecologist and lead author
of the publication.
But globally, long - tongued bumblebees are declining, says Cameron, as are many bees,
in part because
of climate change, pesticide use, and
habitat loss.
Already, the extraordinary concentrations
of endemic species
in the Mesoamerican Biological Corridor are experiencing rapid
habitat loss.
But even here, the researchers point out, this lack
of decline may be attributable to
habitat loss in east and west Africa having already been substantial by the 1990s.
According to a paper published this week
in the biogeography journal Diversity and Distributions, the areas that underwent the greatest
habitat loss were found
in the centre and east
of the Democratic Republic
of the Congo, western Equatorial Africa and the upper Guinean forest
in Liberia.
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 dodo and the Carolina parakeet were important dispersers
of seeds, and their
loss has permanently affected forest structure
in their
habitats; rare insects are often highly specific pollinators whose
loss affects the reproduction and survival
of other plants.
Overfishing, pollution, climate change and destruction
of habitats like coral reefs are all putting our seas
in trouble but academics fear the risk is not being taken as seriously as concerns for the
loss of animals and plants which live on land.
And since it was rediscovered
in the 1950s, biologists have struggled to protect it from the twin threats
of habitat loss and introduced predators, which drove its numbers to bottom out at just 30 individuals
in the 1980s.
In the case of Arctic whales, the changes in sea ice might benefit their populations, at least in the short term: the loss and earlier retreat of sea ice opens up new habitats and, in some areas of the Arctic, has also led to an increase in food production and the length of their feeding seaso
In the case
of Arctic whales, the changes
in sea ice might benefit their populations, at least in the short term: the loss and earlier retreat of sea ice opens up new habitats and, in some areas of the Arctic, has also led to an increase in food production and the length of their feeding seaso
in sea ice might benefit their populations, at least
in the short term: the loss and earlier retreat of sea ice opens up new habitats and, in some areas of the Arctic, has also led to an increase in food production and the length of their feeding seaso
in the short term: the
loss and earlier retreat
of sea ice opens up new
habitats and,
in some areas of the Arctic, has also led to an increase in food production and the length of their feeding seaso
in some areas
of the Arctic, has also led to an increase
in food production and the length of their feeding seaso
in food production and the length
of their feeding season.