Sentences with phrase «species are in decline»

Cat predation is one of the reasons why one in three American bird species are in decline,» said Dr. George Fenwick, President of American Bird Conservancy, the only organization exclusively conserving birds throughout the Americas.

The World Watch Institute estimates that one in four mammal species are in decline.

Both species are in decline because of human impact on their habitats and habits, Enteles said.

Cat predation is one of the reasons why one in three American bird species are in decline,» said Dr. George Fenwick, President of American Bird Conservancy, the only organization exclusively conserving birds throughout the Americas.

Population Impacts «Cat predation is one of the reasons why one in three American bird species are in decline,» claims ABC president George Fenwick.

Today, most eastern species are in decline because regenerating habitats no longer exist other than those made by humans.

Biology Letters published the research, which may have implications for the survival of both rare wild plants and major food crops as many pollinator species are in decline.

Many of the world's natural habitats, plant species and animal species are in decline or at risk of extinction.

That's because elsewhere in the world, this species is in decline.

Not exact matches

The bee population has been declining in the past few decades — 700 bee species are heading toward extinction — due to changes in agricultural processes, habitat loss, and pesticides.

As per the title, he thinks the urban environment is our greatest invention as a species, and explores the economic underpinnings of assorted cities, ascendant and in decline, today and through history.

Though their species has long been declining, baby white sharks are making a surprising comeback in the Bight.

Last week: Over the last two years, 21 of 35 coral species along our coastline have died and more are in decline.

There is also the very real medical situation in which inbreeding can lead to birth defects and a decline in the species as a whole.

The most passionate argument in the book, in a chapter on declining Jewish population, pleads that, after the Holocaust, Jews are an endangered species, deserving protection and enhancement for the sake of diversity, like the bald eagle: «You have friends who work to rescue endangered animal and plant species, so you know why this matters.»

In Sweden a number of declining, endangered and rare species were recorded on organic arable fields, showing that organic agriculture can contribute to maintaining biodiversity29.

The goal of Birds to Watch is to protect declining bird species in Massachusetts before they become endangered by:

For many species that are showing precipitous declines, we are in a race against time to stabilize and potentially reverse these trends.

Since late February, researchers from the Peggy Notebaert Nature Museum and Lincoln Park Zoo have been monitoring levels of cortisol (known as the stress hormone) in three species that have been reintroduced or restored by the forest preserve: wood frogs (designated as «in great need of conservation» in Illinois); spotted salamanders, a rare species for northeastern Illinois; and spring peepers, a frog species whose local populations are in decline.

They say that other species in which males show a similar testosterone decline are generally those in which there is innate paternal care for offspring, compared to species where there is no paternal care after mating.

Cliff swallows, a once - common species in New England, have been undergoing a long, slow decline in Massachusetts.

Grasslands and shrublands provide critical habitat for a wide range of plant and animal species, yet they are among the most rapidly declining types of habitat in Massachusetts.

That is important because if we had to wait for a big shift in those numbers to notice the decline, it might be too late to conserve a threatened species.»

Their paper, which was published in the scientific journal BMC Ecology, is the first behavioral study worldwide showing the interaction of two invasive species in the context of the decline of native species.

The variation between eastern diamondback populations could provide crucial information to authorities managing the conservation of this species, which is in decline and under consideration for listing as threatened under the Endangered Specispecies, which is in decline and under consideration for listing as threatened under the Endangered SpeciesSpecies Act.

«This decline is seen in the sediment core records and is a major problem for the conservation of Lake Tanganyika's many threatened species and unique ecosystems.»

Gilbert imagines programs forged between researchers and Buddhist communities in which declining native species are captive - bred and then released by practitioners.

The decline in phosphorus is expected to reduce the abundance of phytoplankton (microscopic plants) and fish that feed on them, species that make up 40 percent of commercial fish yield.

Furthermore, they found that if current monitoring and risk categorization had been in place, the rapid decline would have identified this species as endangered in time to protect it.

These were European hamsters, a species that is endangered in France and thought to be on the decline in the rest of their Eurasian range.

Given that leatherback turtle populations have declined by 98 % in the past 40 years (mostly due to being caught in fishing nets), this migration map is crucial in helping to save leatherback lives: thanks to this map, the scientists have already singled out 11 countries that can be invited to help conserve this endangered species.

The birds depend on the protein rich crane flies as food for chicks, but scientists have discovered that summer droughts, which are predicted to increase, will cause significant declines in crane flies and subsequently the bird species that depend on them.

«If native species linearly decline at a rate similar to or greater than that of the past decade, then multiple extinctions are likely in the next decade,» the team writes.

The honeycreepers that are left on the island are declining fast, and some species could disappear in as little as a decade.

«This «cryptic» nature of infectious disease witnessed amongst Darwin's frogs in Chile could potentially be causing similar «slow - burn» declines among wildlife species elsewhere — contributing to longer - term population declines and extinctions despite the lack of obvious mass - mortalities.»

The findings could help scientists successfully reintroduce endangered amphibians into the wild by reducing the chance that the amphibians will be killed by diseases that may have played a role in the species» original declines.

Given widespread observation of habitat change and individual species declines — and knowing that extinction rates are many times higher than normal — the scientists predicted a drop, over time, in the number of species observed in most of these studies.

The streams in the area studied help supply drinking water to thousands of people in the region and are home to 10 aquatic species that are declining at a concerning rate.

Mountain amphibians in Central America have declined dramatically, and around 50 per cent of species, including the tree frog Hyla calypsa (pictured), are thought to have become extinct.

Couple that with their propensity to eat a significant quantity of juvenile fish, it's only a matter of time until those other fish species start to see a decline in their numbers on the reef.

The fungus infects more than 600 species of amphibian and has been implicated as the primary cause of decline in more than 200 species.

Kosher rules do remove some overfished wild species from your plate — such as sharks, which are in serious decline worldwide, according to the Monterey Aquarium's Seafood Watch program.

«With measures being taken to prevent alien species introductions and spread, there has been a decline in the proportions of newly emerging alien species from established sources, such as historical European colonies.

So far, the information has been cited in more than 50 scientific publications; it has helped researchers analyze shark population declines and identify two new species of colorful fish — the Florida barred hamlet (Hypoplectrus floridae) and the contoy hamlet (H. ecosur).

An international «Red List» of threatened species says that the polar bear is vulnerable to extinction because of a projected decline in its habitat linked to climate change that is melting sea ice in the Arctic.

Prof. Jean Paul Metzger from the University of Sao Paulo, another lead author of the study, said: «Our study shows a clear threshold of biodiversity losses with deforestation; below this threshold, not only many species disappear, but the functions they perform in the ecosystem will also decline, many of which are highly beneficial to humans.

According to James Hanken, a biologist at Harvard University who heads a task force on declining amphibian populations, «at least one - third to one - half of all living species of amphibian that have been examined in this regard are on their way down, and out.»

The oft - fatal attraction may explain why the native species is apparently in decline where the species coexist, the researchers say.

More than 900 species of wild bees are found in France, but many of them — such as bumblebees — are in decline.

«The peregrine falcon and the brown pelican, in particular, were rapidly heading for extinction, and hundreds of other species were showing drastic declines.»