The projected result: widespread climate - induced forest die - offs, shifts in ecosystem structure and function, a concomitant
loss of habitat for plants and animals, and the elimination of large carbon stores.
Discovering weeds before they become well - established is critical to reducing damage to ecosystem integrity, preventing
the loss of habitat for rare plants and animals, and preventing costly natural resource management.
Not exact matches
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.
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.
At a time when the conversation around palm oil centres on deforestation, fires and
habitat loss — and global demand shows no signs
of abating — several companies have come together to create Palm Done Right, a new standard
for ethical palm oil production...
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.
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.
And those are now rivaling
habitat loss and the exploitation
of the Earth
for economic growth as a source
of declining species and pristine landscapes.
Unlike many bird species that are now extinct on the Earth's small islands, the Eastern Bluebird and the Hispaniolan Crossbill disappeared long before the first people arrived, uncoupling their extinction from human actions, such as the introduction
of new predators and
habitat loss for agricultural use.
Their findings indicated, simply, that at a minimum, mining «would cause the
loss of spawning and rearing
habitat for multiple salmoniods.»
That corresponds to a roughly 3 1/2 week shift at either end — and seven weeks
of total
loss of good sea ice
habitat for polar bears — over the 35 years
of Arctic sea ice data.
Australia does it too, and the European Union is about to publish recommendations
for habitat banking as part
of its strategy to halt species
loss.
It cites a combination
of factors such as pesticides, insecticides and
habitat loss for the dramatic declines in bee numbers around the globe.
As global sea level rises, low - lying island nations must reckon how to cope not only with
loss of agricultural acreage and increased vulnerability to storms, but also with reduced
habitat for endemic species
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.
But up to one - third
of them are threatened, mainly by
loss of habitat, and 500 have gone extinct during the last 150 to 200 years or haven't been spotted
for many years.
A recently discovered anaerobic fungus that is apparently specific to the hindgut
of the critically endangered Somali wild ass,
for example, is at risk
of extinction through
habitat loss before it is even formally described.
The team
of researchers highlights the need to tackle at least the following three areas
of research
for the rest
of the felids: differentiating
habitat loss from the effects
of fragmentation using theoretical scenarios; selecting priority areas
for conservation, and analysing the consequences
of habitat loss.
According to the new study, the main reasons
for the limited information on the effect
of habitat loss and fragmentation
for felid conservation are «the lack
of both financing
for research and communication between managers and researchers,» highlights Palomares.
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.
Researchers have offered a number
of explanations
for the die - off: attacks
of parasites, exposure to radiation or ultraviolet light, fungal infections, climate change,
habitat loss, competition with exotic species, and pesticides.
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.
However, the area suffers a high
loss of habitat due to deforestation
for more arable and pasture land.
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.
«
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.&raq
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.&raq
for dealing with songbirds.»
The
loss of habitats is the greatest threat to the endangered orangutans, and now a new study says their existence could be further jeopardized if conservation efforts don't include reintroducing these great apes into natural environments with enough high - energy food
for them to survive.
Causeways and other roads that bisect wetlands alter natural
habitats by providing avenues by which invasive plants species can colonize wetlands and nesting areas, altering natural hydrology
of wetland systems, altering storm water runoff and drainage, providing avenues
for road salts and pollutants and the direct
loss of habitat due to land - clearing and paving.
• More effective management and protection
of large areas outside
of formally protected areas; • Increased law enforcement combined with improved legal frameworks and stiffer sanctions
for poachers; • Coordination across all sectors on land use and protection
of natural resources with a priority on conserving great ape populations; • Conservation advocacy
for wildlife and law enforcement to effect behavior change; • An enhanced understanding
of diseases such as Ebola to guide conservation actions; • Monitoring
of great ape abundance and distribution,
habitat loss, and illegal activities.
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.
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.
«NASA backed us on research related to the biodiversity and ecology
of Arctic marine mammals, as well as the development
of metrics
for the
loss of sea ice, their
habitat.»
The research maps the
loss of stream
habitat for many small fish in the Great Plains region and attributes it to declining groundwater sources.
Inhabiting India and Southeast Asia, fishing cat populations are declining, and the species is considered endangered because
of habitat loss and hunting
for food and fur.
«Closing roads counters effects
of habitat loss for grizzly bears.»
«The
loss of key
habitat is causing significant conservation challenges
for Sumatra — and in particular
for this critically endangered species.»
«We then used models to forecast future
habitat loss in the national forests from expected temperature increases in the region,» says Andrew Dolloff, research fishery biologist
for the Forest Service Southern Research Station and a co-author
of the study.
«We have documented
loss of sea ice and reductions
of habitat for Arctic marine mammals across most
of the circumpolar Arctic, so this area is not unique,» said co-author Kristin Laidre, a UW associate professor in the School
of Aquatic and Fishery Sciences and the Polar Science Center.
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.
This perilous situation is a result
of a devastating combination
of habitat loss (mainly to create lucrative oil - palm plantations) and poaching (to feed the black market
for rhino horn).
During the late 20th century their numbers were devastated by hunting and the
loss of their forest
habitat for logging and rubber plantations.
Colla noted that The International Union
for Conservation
of Nature recently assessed North American bumblebees and found that one quarter to one third
of the species are at risk
of extinction due to climate change and other factors such as
habitat loss and disease.
Species become endangered
for two main reasons:
loss of habitat and
loss of genetic variation.
Assuming the greatest pace
of economic development with little regard
for the environment, the study predicted that 1,101 species would be lost over the next century due to
habitat loss alone, while just 64 would be lost to climate change alone.
But it does appear that Chernobyl has become an unlikely wildlife haven, especially
for larger animals normally under the pressures
of hunting and
habitat loss.
These magnificent animals are facing unprecedented threats as a warming climate and
loss of their sea ice
habitat make it more difficult
for the bears to hunt prey like seals and find dens
for their cubs.
Demand
for grazing lands may lead to deforestation and the
loss of natural
habitats for wildlife.
Current prices
for conventionally grown foods do not reflect the costs
of federal subsidies to conventional agriculture, the cost
of contaminated drinking water,
loss of wildlife
habitat and soil erosion, or the cost
of the disposal and clean up
of hazardous wastes generated by the manufacturing
of pesticides.
However, the real cause
for the decline in the bird population is the
loss of habitat, urbanization, pollution and environmental degradation.
«Although
habitat loss is responsible
for the original decline
of the Lower Keys marsh rabbit, high mortality from cats may be the greatest current threat to the persistence
of the Lower Keys marsh rabbit [4].»
But we also should connect the web
of the issues within the overpopulation problem with larger, more comprehensive issues connected with human rights, the health
of our ecosystems, the
loss of natural
habitat and the imbalances
of nature we are experiencing across the planet, the introduction
of non-native plants, the use
of croplands
for «livestock» raising, the human overpopulation problem, and so on.