Sentences with phrase «for predation»

In the wild, this instinct serves them well — after all, a weak or sick animal is more likely to be targeted for predation.

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.

Because to cats, play should be practice for predation, and cats are natural - born killers who can not resist the opportunity to pounce!

This is also when we first see evidence for predation, the ability to move around and most of the animal body plans we would recognize today.

By substituting various kinds of lending and assets for predation, cooperation and competition, May and banker Andy Haldane show that the global financial system might behave similarly (Nature, DOI: 10.1038 / nature09659).

This ant species has many muscles in the abdomen, which suggests that its sting is quite powerful and functional for predation.

In this respect, the spectrum of species in Lake Victoria is now similar to that found in Lake Tanganyika or in marine habitats, where fish with pharyngeal jaws have existed alongside competitors without such jaws for up to 60 million years and have therefore never become specialized for predation on large fish.

«But we still have so much to learn about how these animals use bioluminescence — for predation, camouflage, communication, or something else.

«The oyster larvae are probably at risk both for predation and starvation on their way across Skagerrak, and they may have problems surviving the long journey.

The original motivation for the domestication of cats is thought to have been for their predation of mice and their relatives, the rats.

Though the model doesn't account for predation, it does offer a dynamic and systematic framework for understanding how foragers survive on limited resources.

«Their spectacular hoods and eye - catching patterns evolved to warn off potential predators because unlike other snakes, which use their venom purely for predation, cobras also use it in defence,» he said.

Not exact matches

For instance, «[r] ailroading, which involves specialized facilities, is difficult to enter, but the potential victim of predation would be difficult to drive out precisely because railroad facilities are not useful in other industries.»

Due to this dynamic, striving to maximize market share at the expense of one's rivals makes predation highly rational; indeed, it would be irrational for a business not to frontload losses in order to capture the market.

These contributory and competing interests are, too, affected by various external selection pressures, for example, intra / inter-species compet - ition / predation.

There's no evidence of a global flood in the geological record, the logistics of getting animals from and returning them to the then - unknown Americas and Australia, there is not enough water to cover all land (i.e. Everest) and if there were where did it go, the flood would have killed all life on earth that was not in the Ark, the issue of food for all animals, the issue of predation.

The laws of nature are valid but they» are not deterministic, they allow for freedom, and so for conflicts and frustrations that are not specifically providential (divine punishments, educational devices, or...) but are simply examples of creatures partly making themselves and one another, under the general guidance which insures that symbiosis and mutual helpfulness are as real as self - assertion and predation.

Those who claim that it is morally wrong for human beings to eat meat because it involves killing an animal must logically claim that predation itself — in all contexts — is evil.

But cruelty to animals is morally different from human predation on animals — eating animals» flesh and using their hides and other parts for clothing, food or shelter.

(Though if Griffin really thinks predation is a bad thing one would expect him to feel disgust, rather than reverence, for our present natural order which depends upon it so heavily.)

What Griffin seems to have in mind here, are worlds that would be radically different from the world as it actually exists — worlds in which, for Instance, beings capable of high - level intrinsic values exist without predation, 4 or in which we and other animals could have existed without requiring food.

Animal protectionists cast a great deal of ire on the wildlife damage control programs, especially the work performed by USDA - APHIS - Wildlife Services (hereafter WS) which has historically administered predator control programs in the U.S.. For example, activists reject the idea that coyote control programs are needed to protect flocks from costly predation.

Fur - trapping is a specific kind of consumptive trapping in that the primary goal is to capture animals considered valuable for their pelt rather than for their meat or to resolve a predation issue.

Empirical evidence, for example, showsthat fox predation accounts for only a very small proportion of lamb losses, and has a negligible financial impact.

Not only are native males wasting their time trying to mate with a different species, they are also at high risk of predation for their efforts.

Predation accounted for 70 percent of the deaths, disease an additional 16 percent, and poisoning, which until lately hadn't been considered, 10 percent.

To reduce dingo predation in the livestock industry, Australia also maintains the world's longest fence, which runs for 5,500 kilometers (3,400 miles) in an attempt to exclude dingoes from almost a quarter of the continent.

Ranchers have been especially vocal in opposing protection for the wolves, which they say are to blame for increased livestock predation as well as the decline in the region's elk herds in recent years.

In Colombia, WCS published two contributions related to the idenification, verification and management of human - Andean bear conflicts: «Guide for the Landscape Diagnostic of Human - Andean Bear Conflicts,» and the «Manual for the Recognition and Evaluation of Livestock Predation Events by Wild Carnivores.»

Surprisingly, the birds» parents don't seem to defend them, perhaps because such predation does not happen often enough for them to have evolved a defence response.

For many bird species, nest predation is the greatest threat to raising chicks.

Retaliation for livestock predation is the primary cause of jaguar deaths: 96 percent of the estimated 230 jaguar killings between 1989 and 2014 were attributed to this cause.

«What's quite typical for these birds is most of the demographic losses are driven by predation.

Ecologist John Orrock, who studies how animals balance the need to protect themselves from predation with other needs, such as eating and mating, hatched the idea for this research when he was studying snails in a California grassland.

«The reclassification is a major milestone for swift parrots and highlights the importance of finding a solution to the extreme effects of sugar glider predation, and of protecting their habitat,» Dr Stojanovic said.

Although prey that had been unfamiliar with dangerous predators for as few as 50 to 130 years were highly vulnerable to initial encounters, behavioral adjustments to reduce predation transpired within a single generation.

This may necessitate greater dispersal for the male hybrids pushing them out of range of female hybrids and exposing them to greater predation pressure.

For the cascade theory of killer whale predation to stand up, there needs to be evidence that transient orcas, given the chance, would eat a whole lot of whale.

In most cases, they found bass and smaller fish species did not share the lake for long — the bass wiped out vulnerable fish species in relatively short order, in part by taking a share of the food available and in part by predation.

Which is why researchers set out to look for proof that human predation played a role in the demise of Genyornis.

We are reasonably certain that killer - whale predation dramatically reduced sea otter numbers in southwestern Alaska, and we know that it could easily account for the seal and sea lion declines.

«If sleeper sharks are involved in predation, it creates something of a dilemma,» said Horning, who works out of OSU's Hatfield Marine Science Center in Newport, Ore. «In recent years, groundfish harvests in the Gulf of Alaska have been limited in some regions to reduce the potential competition for fish that would be preferred food for Steller sea lions.

«It's a conundrum when you think about it, killing one native species to help others... but today it's become necessary to do so,» says Blaine Parker, avian predation coordinator for Columbia River Inter-Tribal Fish Commission, which represents four Native American tribes with fishing rights along the river.

It enabled predation and grazing to play roles equally important to resources or habitat, with predation having the key role for some populations and resources having the dominant role in others.

In their new Conservation Genetics paper, the researchers say, «Past gene flow also suggests that human - assisted gene flow is necessary to conserve the ecosystem services associated with predation, since climate warming has reduced the frequency of ice bridges and with it the only opportunity for unassisted gene flow.

«Absorbing energy makes for a tough adhesive joint — for the gecko, it means it can catch itself after jumping or falling and also enables a gecko to rapidly dart off in different directions to avoid predation.»

High body temperatures during low tides, another stressor for mussels, also made them more vulnerable to predation.

Small changes in an organism's metabolic performance can have major consequences for its success in its natural habitat, where it is in competition with other species and faces losses from predation or viral infection.

Pegging the trend toward giant sizes to the Plio - Pleistocene ruled out other hypotheses such as the threat of predation by the huge shark megalodon — which had already been around for millions of years before the whales» growth spurt — or the advent of filter feeding, which had been around for more than 15 million years at that point.

«The strength of life - history analyses for resolving the extinction debate rests in the knowledge that the age of final weaning is a life - history landmark that is expected to change differently in response to predation and climate - related nutritional stress,» said Cherney, who will speak during the Romer Prize Session at the paleontology meeting.