Sentences with phrase «predation by»

The allegations differed in their specifics and severity, but painted the same big picture: repeated sexual predation by a man who built his judicial career on his image as a moral crusader.

But that, as we all know is merely weather, where even something as vital to gardeners as the local microclimate is left by the wayside, as are questions of plant predation by insects, slugs, snails, squirrels — which are also influenced by weather and microclimate.

«Generally, large scale burning is increasingly seen as an ecological disaster because it opens up the ground cover and greatly exposes small and medium vertebrates to predation by dingoes, foxes and feral cats,» Dr. Terry Dawson, who studies environmental physiology and arid zone mammals and birds, told TreeHugger.

A central role for venom in predation by Varanus komodensis (Komodo Dragon) and the extinct giant Varanus (Megalania) priscus.

Attempts to reintroduce threatened species in the arid zone of Australia have often failed because of extensive predation by feral cats [16, 17].

Newborn pups were left lying on the bare ice, subject to thermoregulatory stress and vulnerable to significantly increased predation by polar bears (Ursus maritimus) and arctic foxes (Alopex lagopus).

Terrestrial predation by polar bears: not just a wild goose chase.

The reasons for the declines remain speculative but vegetation succession, climatic fluctuations, predation by native and exotic species, competition from other frog species, and water pollution caused by pesticides and / or other chemicals associated with agriculture are possibly significant (Harding 1997, Lannoo 1998, Hammerson 1999, Hammerson and Livo 1999).

* increased predation by arctic fox, gulls and ravens on nesting birds due to introduction of garbage as a consistent food source

Cultural and economic predation by the West in places like Africa and South Asia has unleashed a whole host of problems, and throwing money and more manufactured products at them is not the answer.

The decline was due primarily to predation by golden eagles (which had moved in to fill a niche in the ecosystem that had been vacated by loss of bald eagles due to the pesticide DDT) and a canine distemper outbreak on Santa Catalina Island.

Federal scientists blame successive building booms, the clatter of civilization, encroachment by nonnative vegetation and predation by crows, ravens, cats and dogs for the demise of the tiny gray and white birds that lay their eggs in small sandy depressions with easy access to ocean water.

The primary threats causing these devastating declines were predation by golden eagles (Aquila chrysaetos) on the northern Channel Islands, canine distemper virus (CDV) on Santa Catalina Island, and collision with vehicles on San Clemente and San Nicolas Islands (2)(8).

The species is threatened by predation by feral cats, and the IUCN has assessed its conservation status as «critically endangered».

Predation by barnowls on Santa Barbara Island can drive th emousr population to extreme lows.

On San Miguel, Santa Rosa and Santa Cruz Islands at Channel Islands National Park, the decline was attributed to predation by golden eagles.

The island foxes on San Miguel Island were reduced to only 15 individuals because of predation by golden eagles.

Additional Threats Predation by golden eagles was the primary mortality factor for foxes on the northern Channel Islands, but there were other threats as well.

In addition, predation by the golden eagle and human activities devastated fox numbers on several of the Channel Islands in the 1990s.

The species is threatened by predation by feral cats.

Young crabeater seals experience significant predation by leopard seals.

On March 5, 2004, four of the six subspecies of island fox endemic to the California Channel Islands were listed as endangered following catastrophic population declines of over 90 percent, due primarily to predation by golden eagles on the northern Channel Islands and a canine distemper outbreak on Santa Catalina Island.

Protection Santa Barbara Zoo staff place an exclosure around a red - legged frog egg mass to protect it from predation by invasive species.

For both sexes, foraging leaves them vulnerable to predation by rats, domestic cats, birds of prey, and sometimes even other woodpeckers (the downy is the smallest of its kind in North America).

«Encroachment of exotic European beachgrass into nesting areas and predation by other animals, like ravens, are also threats,» Ellis adds.

Baker, P.J., Molony, S.E., Stone, E. et al. (2008) Cats about town: is predation by free - ranging pet cats Felis catus likely to affect urban bird populations?

By being kept indoors, cats are protected not only from some diseases and from predation by motor vehicles but also from what are often hostile relationships between neighborhood outdoor - access cats (both pets and ferals).

Butler's misreading overstates predation by cats by more than 500 percent.

«Yersinia pestis Resists Predation by Acanthamoeba castellanii and Exhibits Prolonged Intracellular Survival,» Applied and Environmental Microbiology, July 2017

There is evidence that intensified fire regimes and predation by feral cats Felis catus are at least partly responsible for these declines23, 24,25,26, and that feral cats prefer to hunt in intensely burnt habitats if available within their home - range27.

Predation by outdoor cats on birds and other wildlife is a real and legitimate concern.

That said, I have always felt that the injunction against city involvement with TNR was counterproductive to the cause of protecting birds from predation by outdoor cats.

Jones et al. (2004) reported that Eastern Quolls lacked an appropriate anti-predator response to foxes, suggesting that they would be vulnerable to predation by foxes.

Predation by owned and feral cats causes roughly 100 to 350 million bird deaths annually.

Two of the greatest threats to wildlife globally are intensifying fire regimes and predation by invasive predators, and our documentation of interaction between these factors has major implications for conservation38.

Predation by feral cats Felis catus may also be contributing to the declines.

Barratt, D.G., «Predation by house cats, Felis catus (L.), in Canberra, Australia.

Even setting all that aside, the question remains: What impact does predation by cats have on bird populations?

Churcher, P.B. and Lawton, J.H., «Predation by domestic cats in an English village.»

Research by Environment and Climate Change Canada found that the top human - related impacts on birds are due to predation by free - roaming cats (feral and owned outdoor cats).

How was radio - tracking used to distinguish predation from other forms of mortality — or, more to the point, predation by cats from other forms of predation?

«Despite the large numbers of birds killed, there is no scientific evidence that predation by cats in gardens is having any impact on bird populations UK - wide,» explains an article on the RSPB website.

Tune in Sunday to Animal Wise Radio, when I'll be on with hosts Mike Fry and Beth Nelson discussing a recently published paper declaring that «predation by house cats is probably the largest human - related source of bird mortality in Canada.»

Then in 2004 a Pest Animal Control CRC report cited Pimentel for the figure of 18 million cats and in 2008 the Commonwealth Threat Abatement Plan for predation by feral cats cited the 2004 report also for the figure of 18 million.

Additionally, the number of cats impounded by shelters in most communities is far too low to have any meaningful impact on the daily risk of disease, injury or wildlife predation by cats.

Predation by feral cats, Felis catus, on the rufous hare - wallaby, Lagorchestes hirsutus, in the Tanami Desert.

Of course, as Arnold notes in his e-mail, bird species vulnerable to man - made structures may not be vulnerable to predation by cats, and those vulnerable to predation by cats may not be vulnerable to collisions.

These findings raise additional questions about the often - implied connection between predation by free - roaming cats and declining bird numbers.

``... median numbers of prey estimated or observed to be caught per year are approximately half the mean values, and are a better representation of the average predation by house cats based on these data.»

Barratt has suggested that «median numbers of prey estimated or observed to be caught per year are approximately half the mean values, and are a better representation of the average predation by house cats based on these data.»