Sentences with phrase «on loss of habitat»

A worksheet / activity focussing on loss of habitat.

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.
The impact of one loss or disturbance may not be visible until the rate of change and impact on diversity threatens the habitat of a particular species so much that their food source, shelter, health or safety disappears.
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...
Biodiversity loss, environmental degradation and severe impacts on ecosystem services — which refer to nature's support of wildlife habitat, crop pollination, soil health and other benefits — have not only accompanied conventional farming systems, but have often extended well beyond the boundaries of their fields, such as fertilizer runoff into rivers.
Orangutan numbers on the Southeast Asian island of Borneo plummeted from 1999 to 2015, more as a result of human hunting than habitat loss, an international research team finds.
Crowley believes that gaining a better understanding of how animal mobility has been affected by the loss of species and habitat will be beneficial to current and future conservation efforts on the island.
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.
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.
Although considered one of the most successful predators on Earth due to the high kill - rate their cooperative hunting achieves, African wild dog populations are declining due to pressures including habitat loss and human - wildlife conflict.
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.
Using data from several sources on 162 terrestrial animals and plants unique (endemic) to the Albertine Rift, the researchers used ecological niche modeling (computer models) to determine the extent of habitat already lost due to agriculture, and to estimate the future loss of habitat as a result of climate change.
Even without avian diseases and climate change, the honeycreepers still face threats from habitat loss, introduced predators and competition with non-native birds (some of whom, such as the Japanese bush - warbler, are thriving on the plateau, the study finds).
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.
North America and Europe generate the greatest amount of research on the effect of habitat loss on felids.
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.
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.
Stewart is currently working with UC Santa Cruz biologist Barry Sinervo to study the effects of climate change on the blunt - nosed leopard lizard, which also faces major losses of suitable habitat.
However, while the absence of large predators may make it safer to walk on the forest floor, a more pressing influence is the rapid and unprecedented loss of Borneo's orangutan habitat.
• 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.
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
On otherwise barren mudflats, habitat - forming invasive species such as nonnative seaweed can offset the loss of foundation species and provide vital ecosystem services, such as storm protection and food production, on which nearly half the human population dependOn otherwise barren mudflats, habitat - forming invasive species such as nonnative seaweed can offset the loss of foundation species and provide vital ecosystem services, such as storm protection and food production, on which nearly half the human population dependon which nearly half the human population depends.
Eastern North America is home to a small population of Golden Eagles (Aquila chrysaetos), but despite their potential vulnerability to habitat loss and other threats, little information has been available on the patterns of their annual migration.
«Urbanization can lead to loss or extirpation of species entirely from a region, through habitat loss and pressure from non-native species,» says Dennis Skultety, a GIS / GPS specialist with the Illinois Natural History Survey at U of I, and the lead author on the study.
They are the top three species on the EDGE list of unique and endangered mammals, in danger from hunting and habitat loss.
«This is the first time we've quantified the effect of habitat loss on biodiversity globally in such detail and we've found that across most of the world biodiversity loss is no longer within the safe limit suggested by ecologists» explained lead researcher, Dr Tim Newbold from UCL and previously at UNEP - WCMC.
In fact, the researchers say, the loss of wildlife habitat in Africa — and not human treatment programs — could be the main reason that sleeping sickness disease, usually called human African trypanosomiasis (HAT), is now on the retreat.
You can see the impact of habitat loss on local climate by poking a stick into the parched soils of the Brazilian cerrado or wandering along the boundary of the expanding Sahel Desert in Africa.
The lower land - use efficiency of organic systems means that «large - scale conversion to organic would likely require bringing more natural habitats into agricultural production,» with a potentially severe impact on global biodiversity due to the loss of rainforests and other currently wild areas.
«Therefore, this study adds important new evidence on the safety of neonicotinoid use, but we still can not exclude the impact of other pesticides and habitat loss on the current bee declines.
Threatened by loss of habitat and illegal ivory poaching, the African Elephant is currently on the verge of extinction.
* Human impact: Loss of habitat due to development, radio / TV / cellular phone towers, high - rise glass buildings, power lines, wind turbines, wetland destruction to name a few have had the greatest impact on the decline of native species around the world.
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.
Sea dragons are currently «Near Threatened» on the International Union for Conservation of Nature (IUCN) Red List and face threats such as pollution and habitat loss, especially in waters near large metropolitan areas.
Since 2002 it has been listed as Least Concern on the IUCN Red List as it is widely distributed but threatened by habitat loss and hunting in parts of its range.
In Costa Rica, Brenes - Mora has seized on the connection between large herbivores and carbon sequestration as a way to highlight the importance of preserving the tapirs, under threat from habitat loss as pineapple plantations expand and from traffic on the Pan-American Highway.
Loss of the habitat and nutrients provided by kelp forests leads to profound cascade effects on the marine ecosystem.
I can not claim mastery of the equations being debated here, but I find the focus on habitat loss as the driver of extinction to be narrow minded.
I don't see the utility of focusing so much attention on arguing the quantification / estimation of extinction rates as a result solely of habitat loss.
But just as the species has been recovering from that threat, global warming is creating new pressures through the loss of summer sea ice and other impacts on the bears» preferred maritime habitat.
«Based on these studies, and many others using fossil and historical records, we argue that evidence for the widely cited view that future climate change poses an equal or greater threat to global biodiversity than anthropogenic land - use change and habitat loss (Thomas et al., 2004) is equivocal: extinctions driven by the latter processes of habitat loss pose a far greater threat to global biodiversity.
I really wish you would have focused on serious environmental issues such as strip mining, deforestation, loss of habitat, and depletion of the oceans.
The primary drivers of loss of biodiversity on land are well recognized to be habitat conversion / destruction, invasive species and now climate change.
We are reliant on bees for our food — they pollinate one - third of our crops — but between pesticides, disease, habitat loss and the biggest threat of all, according to Varma, the Varroa mite — they are disappearing at an alarming rate.
However, we argue that focusing on these isolated sites may reduce the immediate risk of population extirpation within them, but neglecting corridors in a region experiencing rapid habitat loss (Hansen et al. 2008), will not sustain tiger ecology, behavior, and genetics.
Regardless of whether hybridization rates may increase, at least for polar bears any effect they might have on population welfare pale by comparison to the loss of habitat and subsequent loss of foraging ability.
The myriad influences on the health of ecosystems (habitat loss, logging, urbanization, species introduction etc. as well as climate change) means that it is most likely here that the tipping point concept will be most applicable.
The US government works on the basis of $ 37 in social costs per tonne emitted, but two US scientists proposed that the true cost in future health and habitat losses was probably six times higher.
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