Sentences with phrase «caused habitat changes»

Glacial climatic fluctuations caused habitat changes, including the appearance of continental ice sheets as far south as Washington State [37], that may have caused range shifts in locally adapted gray fox populations, with foxes with clade B haplotypes existing as far south as southern California.

Not exact matches

When these changes take effect, on a date which has yet to be announced, the prohibition on altering a fish's habitat will be replaced with a prohibition on causing «serious harm to fish that are part of a commercial, recreational or Aboriginal fishery, or to fish that support such a fishery.»

But declines are occurring in the absence of destruction of habitats, suggesting other causes such as pollution from pesticides, acid rain and increases in ultraviolet exposure or even change in climate (Blaustein & Wake 1990).

The previous five were caused by natural events — meteorite impacts and global temperature change — but this latest is decidedly human - generated, primarily through habitat destruction.

As if poaching, logging, habitat loss and climate change aren't bad enough, wild chimpanzees now face a new, deadly peril: a virus that causes common colds in people.

The work covered just one small part of Europe, and the authors could not explain what might be causing the drop, whether climate change, habitat destruction or something else.

In many cases, the declines probably have multiple causes, including habitat loss, pollution, and climate change.

Urbanization is an important factor because it changes the species composition in an area, favoring the types of mosquitoes that live near and feed on people, such as Aedes aegypti, and causing other species to decline, such as those adapted to wetlands and other natural habitats.

Several sets of major influences are causing South Georgia's habitats to change.

And while climate change remains a legitimate concern for wildlife — particularly on isolated mountaintops and in species - poor polar regions — it does not come close to the immediate, irreparable damage caused by the destruction of habitat.

The petitioners say the decline is due to the «drastically reduced and degraded» monarch habitat, which has been caused by development, logging, climate change and, especially, pesticides.

Develop's children's scientific knowledge about habitats and how they change - both through natural causes and the impacts of humans.

We are learning to's include: to classify living things; to identify and name living things; to use a classification key to identify vertebrates and invertebrates; to use a classification key to identify the 5 vertebrate groups; to identify invertebrate groups in their own habitat; to understand how environments change and the dangers this can cause for wildlife.

As for the main threats to wildlife, leading biologists and environmental watchdogs agree: human - led activities — including climate change, habitat destruction, and development — are far and away the number one cause of wildlife depletion.

• The declines are caused primarily by habitat loss, heavy pesticide use, climate change and urbanization.

The «habitat loss» that is killing primates is mostly from tropical deforestation, which also causes 20 percent of the total carbon dioxide emissions contributing to climate change.

However, the atoll faces tough battles every day: invasive plant species that damage the habitat of albatross and burrowing petrels often killing them; deadly plastic pollution, much of which ends up in the stomachs of chicks; climate change that causes ever larger and more lethal storms.

Climate change almost always exacerbates the problems caused by other environmental stressors including: land use change and the consequent habitat fragmentation and degradation; extraction of timber, fish, water, and other resources; biological disturbance such as the introduction of non-native invasive species, disease, and pests; and chemical, heavy metal, and nutrient pollution.

Climate change causing habitat loss and reduced food is the main problem for polar bears, but plastic waste and other pollutants are growing risks.

Climate Change Position of the Saint Louis Zoo: «Scientific consensus holds that climate change is interrupting natural cycles, causing habitat loss and prompting more extreme weather patChange Position of the Saint Louis Zoo: «Scientific consensus holds that climate change is interrupting natural cycles, causing habitat loss and prompting more extreme weather patchange is interrupting natural cycles, causing habitat loss and prompting more extreme weather patterns.

A recent National Wind Coordinating Committee (NWCC) review of peer - reviewed research found evidence of bird and bat deaths from collisions with wind turbines and due to changes in air pressure caused by the spinning turbines, as well as from habitat disruption.

Students in Laurie Solchenberger's class at Lincoln Elementary School worked with local Madison Audubon Society's education specialist, Carolyn Byers, and implemented a series of Climate Change lessons on climate changes, its causes, habitats impacted, and on possible solutions.

Land use and land cover (LULC) change causes biodiversity decline through loss, alteration, and fragmentation of habitats.

Climate change may cause changes in migratory patterns, destroy habitat (particularly in nutrient - rich polar seas), and drastically change ocean circulation, vertical mixing and overall climate patterns.

Organisms throughout the world, regardless of habitat, suffered similar rates of extinction, suggesting that the cause of the event was a global, not local, occurrence, and that it was a sudden event, not a gradual change.

As I have documented before Parmesan has «inaccurately» blamed CO2 warming for extinctions due to lost habitat from urban sprawl, hijacked conservation success to argue poleward movement of butterflies was caused by climate change, and blamed CO2 and extreme weather for a population extinction caused by logging while neighboring natural populations thrived.

The causes of the declines in biodiversity are land clearing, land salinisation, land degradation, habitat fragmentation, overgrazing, exotic weeds, feral animals, rivers that have been pushed past their points of equilibrium and changed fire regimes.

Though observational data is limited on the links between climate change and dengue risk in Hawaii, future climate scenarios predict warmer temperatures and wetter summers in Hawaii over the next 25 year, which will cause an expansion of mosquito habitat and potential dengue risk areas.

The group's current goal is to ensure protection of critical bird habitats threatened by global climate change and other causes.

Even if [geo - engineering] were able to stabilize climate change — which is doubtful... We still would be addicted to imported oil, still would be subsidizing terrorism with our gas dollars, still would suffer the cost and supply traumas that are inevitable with finite resources, still would send our children off to die in resource wars, still would pollute the air and cause respiratory problems for our children, and still would wipe out species, many of them beneficial to us, as we invade their habitat.

If we zoom out to consider the «bigger picture» as Chevron suggests in its ad, we see that climate change — caused primary by burning oil, gas, and coal — is endangering species and habitats across the world.

«Simply put mangroves provide habitat for fish and other wildlife, protects shorelines and in the context of climate change captures stores huge volumes of carbon that would otherwise evaporate and cause climate change.

However, even for such species, the interaction of climate change with habitat fragmentation may cause the extirpation of many populations.

Even without putting climate change into the mix, recent extinction has proceeded at least 3 - 80 times above long - term background rates (Barnosky et al., 2011) and possibly much more (Pimm and Brooks, 1997; Pimm et al., 1995; WRI, 2005), 17 primarily from human - caused habitat destruction and overexploitation of species.

Researchers estimate species are being lost at a rate at least 100 times faster than historical levels, with habitat loss, over-hunting and climate change just a few of the many human - caused drivers behind the event.

If a population is extirpated in a logged area and the adjacent population simultaneously thrives in the natural habitat, is landscape changes or climate change the most likely cause of extirpation?

Biodiversity diminishes as some species become extinct due either to human - caused climate change or to related human activities such as habitat destruction or toxic pollution.

(03/23/2011) Local climate shifts caused by deforestation and land cover change are causing insects to migrate to higher — and cooler — habitats, reports a new study published in the journal Biotropica.

They found that in the last 40 years the amount of discarded plastics has led to a 100-fold rise in plastic particles in the North Pacific Subtropical Gyre (Great Pacific Garbage Patch) and is causing creatures like the sea skater (Halobates sericeus) to alter their behaviour due to changes in habitat.

The International Union for Conservation of Nature (IUCN) anticipates that changes to land cover and biodiversity caused by climate change, could force Indigenous people to «alter their traditional ecosystem management systems» and, in the extreme, «eventually lead to a loss of their traditional habitats and along with it their cultural heritage».