Sentences with phrase «prey species»

There are numerous studies of phenology (study of the timing of periodic biological / ecological events) that demonstrate damage to specific species and ecosystems, because of changes in the timing of migration, reproduction, and arrival of prey species.

Food web at risk due to loss of snow cover — key prey species such as lemmings and voles overwinter in snow tunnels.

This algae, which coats the leaves of aquatic plants, has become more common and, as a result, is becoming concentrated in bald eagle prey species.

The impacts from a changing climate also loom, from potentially shifting the abundance and distribution of essential prey species to melting previously ice - locked polar waters that will expose whales to even more human activity.

Movement analysis of one satellite - tracked killer whale travelling as part of a group of 20 + killer whales showed that the whale remained in Prince Regent Inlet and in the northern part of the Gulf of Boothia from late August until early October, when locations overlapped aggregations of marine mammal prey species, including seals, narwhal, and bowhead whales (Matthews et al. 2011).

More importantly, against the combined threats of whaling, habitat degradation, pollution, disturbances from sonar and drilling activities, overfishing of prey species, and the uncertain looming impacts of climate change, whales are surviving.

Ecosystem changes: predator species going extinct, prey species going extinct, trees that provide food and habitat not moving north fast enough... What if a species moves into an evironment that has some new factor that is intensely favorable?

Contact Marta for stories about general ocean issues affecting Europe and Oceana's European - based campaigns on Mediterranean bluefin tuna, sharks, bycatch, overfishing subsidies, driftnetting, bottom trawling, marine protected areas, Illegal, Unregulated and Unreported fishing, mercury contamination, overfishing of prey species and the «Common Fishery Policy Reform.»

Some key prey species like sea butterflies may be harmed.

In a discussion of a 2014 study of Atlantic white shark trends, the lead author, Tobey Curtis of the National Oceanic and Atmospheric Administration, said one factor is the resurgence in populations of prey species:

If the unmanaged predator range is limited (by fiat rather than natural barriers), this will lead to a prey species deficit and probably inward migration.

The reduction has led to a «prey species deficit» only if you think that, say, depopulating manhattan would lead to a «human species deficit» compared to the natural carrying capacity of the island.

I don't see it as unnatural to keep prey species and make the symbiotic bargain of taking care of them rather than hunting.

The main feeding habitat of the western Pacific subpopulation is the shallow (5 — 15 m (16 — 49 ft) depth) shelf off northeastern Sakhalin Island, particularly off the southern portion of Piltun Lagoon, where the main prey species appear to be amphipods and isopods.

Unlike the generalist island fox, barn owls are more specialized predators and do not switch to other prey species when their their primary prey (mice) decline.

[61] In some years, the whales have also used an offshore feeding ground in 30 — 35 m (98 — 115 ft) depth southeast of Chayvo Bay, where benthic amphipods and cumaceans are the main prey species.

Chickens are prey species and are naturally stressed when they are around predators — including pets like cats and dogs.

Because cats have evolved the fecundity of a prey species, they can usually reoccupy a habitat from which they have been extirpated faster than rival predators can arrive and breed up to the vacated carrying capacity.

This scares me, as most pet small mammals, other than ferrets, are prey species, while cats and dogs are predators.

There's also the fact that squirrels, oppossums and other prey species often carry diseases and parasites.

Domestic rabbits maintain the physiology and behavior of a prey species and they experience pain in the same manner as other companion animals.

** I think I'm being generous here — setting aside, for example, Horn's very small sample size of unowned male cats, his emphasis on these cats (assuming, without the burden of evidence, that they'll «have more widespread impacts on potential prey species and greater likelihood of spreading diseases like toxoplasmosis» [1]-RRB-, and more.

Recent studies have shown that as a prey species, cats need hiding places to feel safe and relaxed and to be able to retreat from people.

They can also hunt at night using their ability to detect vibration and body heat from prey species.

Rabbits are prey species, so they hide sickness to prevent being eaten by predators.

In addition, as we do not treat any dogs or cats (predator species) at the Center, bunnies (prey species) are much less likely to get stressed out than they would if there were barking dogs or meowing cats nearby.

«Cats are known for their physical agility, but this vocal manipulation of prey species indicates a physical cunning which merits further study,» he says.

Rabbits are a prey species and therefore experts in hiding any signs of illness or weakness that may result in their predation.

Even where domestic cats are not a factor and cats must hunt to survive, feral cats are not the sole predators but exist in a complex relationship with the prey species and other predators.

A mix of aquatic micro and macrozooplanktonic species allowing smaller freshwater fish to feed on a variety of natural prey species.

Only the suffering inflicted by fur farming makes the suffering of both mink and prey species resulting from mink releases look superficially acceptable to animal advocates, and then only to those who don't think deeply about it.

But the authors also point out that, «despite occurring at very high densities, the summed effects on prey populations appeared unlikely to affect population size for the majority of prey species.»

Horses are a prey species, and always on the move.

Mesopredator release is a general phenomenon which has been demonstrated in other top predator - mesopredator - prey systems, not just coyote - cat - bird, and in most of them the removal of the top predator causes a cascade leading to localized extinction of certain prey species.

How about separation of predator / prey species — are we housing that adorable little family of hamsters right alongside the aquarium holding a boa constrictor?

Rabbits, because they are a prey species, are masters at hiding disease.

Rabbits are a prey species and have learned to instinctively struggle to escape the jaws of a predator or cloches of a birds of trying to whisk them off the ground and carry them away.

As with all biological controls, the predators need to be reintroduced periodically, because they eat all the prey species and die off for lack of food.

Rabbits are a prey species, so they can become very stressed (to the point of death) if kept in close proximity to noisy predators.

All small pets need a place to relax and get away from the stress of being a prey species.

She said that it is normal for cats to react with fear and stress when restrained due to their evolutionary history as a prey species.

Although the cats in this scenario may occasionally prey on a bird, removing the top predator completely is far worse for the prey species» survival.12, 13

Most are prey species, and an important survival trick is to hide injury and illness to prevent predators from targeting them.

Without the cats to keep prey species in check, the rabbits devastated local vegetation, which harmed other animal species, and a wave of more than 130,000 rodents entered the ecosystem.

Rabbits are a prey species, so they tend to hide clinical signs of illness until they are remarkably debilitated.2 Clinical signs of dental disease are directly related to the severity of the disease.2 If the dental disease is mild, the rabbit may not show any signs.

For prey species, their eyes are located more towards the sides so that they have a more panoramic view to detect predators.

In the wild, birds socialize in flocks and are generally prey species.

They're a prey species, and they have increased safety in a herd.

We evaluate these programs based on how well they protect snow leopard habitat, wild prey species, and the cats themselves.

May 2, 2011 The winners of mass extinction: with predators gone, prey thrives In modern ecology, the removal or addition of a predator to an ecosystem can produce dramatic changes in the population of prey species.