Sentences with phrase «native range»

These toads have a wide native range in Central America and South America.

They conclude that anthropogenic activities alter genetic composition of native ranges, with unknown consequences for species» evolutionary trajectories.

An international conservation organisation and the government's relevant agency tried to block the plan (because the island is outside the species» known native range), saying any such release would contravene a strict interpretation of the law and international guidelines concerning the introduction of endangered species.

This is a blue crab, Callinectes sapidus, caught in Ipswich, Mass., 80 miles north of its historical native range.

Former native range off the woolly mammoth (red), including the ice age land bridge Beringia (light red).

The polar bear (Ursus maritimus) is a carnivorous bear whose native range lies largely within the Arctic Circle, encompassing the Arctic Ocean, its Dating is a stage of romantic relationships in humans whereby two people meet socially with the aim of each assessing the other's suitability as a

The protection of box and spotted turtles on this site is most urgent because the land is on the northern edge of the reptiles» native range limit.

[81] Readers may be surprised to learn that the much maligned foothold has actually been involved in a wildly successful river otter reintroduction program to much of their native range in the United States.

Its native range extends through Southeast Asia and Australasia.

The chrysalis snail is critically endangered in some parts of its native range, including Switzerland and especially the German Rhineland.

Others, like shipping and trade, cause species to become more common outside of their native ranges.

«Some of those impacts, like overfishing, cause species to decline in their native ranges.

Leaving nothing to chance, the government is now embarking on the largest assisted - migration project in history by moving some 250,000 larch seedlings up to 200 miles outside the species» native range.

They also are exploring ways to cross North American ash trees with resistant trees from China, the borer's native range.

Further, outside their native ranges, these honeybees often escape to become highly successful ferals, again generating ecological problems.

A combination of accidental aquarium releases and mosquito control projects have spread the species from its native range in the Caribbean and the northern coast of South America to at least 69 countries, according to a 2011 survey.

Many honeybee species raised commercially for pollination are kept throughout the world, well beyond their native range.

His outlook comes at the end of a large collaborative effort in which 45 scientists from all over the world established a database of the date an alien species was first detected in a region outside the species» native range.

Many large animals are now living far outside of their native ranges, and that may actually be helping conservation

Photographed here in its native range in Western Australia, this carnivorous plant evolved to digest insects through a strikingly similar evolutionary pathway as other plants that developed the same capability independently, a new study finds.

The researchers» findings, to be published August 30 in the journal Science, are based on data from an intensive effort to restore the endangered bird to its native range.

This is not only relevant in its native range in Mexico, but also in the invasive species which is found right around the world.»

Bioinvasions, the expansions of species into regions outside their native range, threaten biodiversity and human livelihood worldwide.

In their native range in South America, monk parakeets have become notorious crop pests devouring cereal grain and citrus fruits, and they have the potential to become the same especially in Florida with its citrus crops, although so far they have had minimal impacts.

Sahara mustard's native range is southern Europe, northern Africa, and most of the Middle East.

And yet, these two independent invasions — in the United States and in Europe — appear to have originated from the same small area in the native range, likely located in Uruguay, according to the new study, which appears online in the journal Molecular Ecology.

His next step is to collect samples in the native range to compare to plants in the U.S. to learn more about the original introduction of the plant in North America.

In order to predict future invasions of the miconia tree, a new study published in «Biological Invasions» has identified 91 countries, 400 islands and 364 protected areas that fall outside the native range of this plant but are considered susceptible to being overrun by it.

By comparing the genetic signatures, he will learn how similar plants growing across the U.S. southwest are to each other, and to populations in Sahara mustard's native range.

«Outside its native range, knotweed has the biodiversity value of concrete,» says entomologist Dick Shaw.

Perhaps ritually sacrificed, possibly eaten, seven turkeys met their untimely ends more than 2000 years ago and more than 400 miles from their native range in Central Mexico.

«We move trees around the landscape, out of their native range, sometimes pretty significantly,» Strauss says.

David Johnson was standing in a salt marsh tidal creek north of Boston, Mass., when he scooped up a blue crab, Callinectes sapidus, 80 miles north of its native range.

And an analysis of about 350 native European plants sold at nurseries in Europe has revealed that 73 percent of them are now sold farther north than their native ranges, with a mean shift of about 600 miles.

Sea ice is drifting faster in the Arctic — which means polar bears need to walk farther to stay in their native range.

To some extent, assisted colonisation is already part of established practice, as subspecies are sometimes introduced to areas outside their native ranges.

And grasslands are the choice habitat for the worms in their native ranges in East Asia.

And the black - footed ferret of North America is reconquering its native range with the help of the U.S. government.

Species that, in response to manmade pressures, begin to behave differently in their native environment can become increasingly dominant within their native ranges and can cause complex changes in their ecosystems.

This is particularly true for salmonids, where widespread introgression among native and non-native taxa has replaced native species over large areas throughout their native ranges (Leary et al. 1995).

Honey bees were recorded in 89 percent of the pollination networks in the honey bee's native range and in 61 percent in regions where honey bees have been introduced by humans.

The species was first reported in Belgium — 1,200 kilometres north of its native range — in the first half of the 19th century.

There, the native range of both types of ants overlaps.

Even in their native range in South and Central America, there's no point looking for cane toads in the thick forest — they are mostly in cleared areas around farms and near towns.

Ants (Formicidae) are among the worst invasive species, with more than 200 species established outside their native range and 19 listed as highly problematic by the IUCN.

The weed was possibly introduced outside of its native range Read more...

Other studies have identified genes adapted to different climates across the species» native range.

In fact, the Ozarks are part of the native range for herbs in very high demand — like goldenseal and American ginseng.

Threatened in some areas of the native range by pollution and habitat loss, especially in waters near large metropolitan areas.

These fishes are feared for their sharp teeth and powerful jaws throughout their native range in the river basins of South America.