Sentences with phrase «natural predation»

African Shark Eco-Charters vision is to provide a natural encounter with the great white sharks allowing you to observe social interactions and the natural predation behaviour on Cape Fur Seals in magnificent False Bay, through education and experience.

Over time, these healthy colonies will diminish due to our harsh climate, old age, and natural predation.

An expert on sustainable exploitation, he says that even though humans may take more fish than any one predator, their haul makes up only 40 % of total natural predation on fish.

Not exact matches

(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.)

Many stone fruits» seeds, such as peaches, have larger seeds than apples, and their cyanide content (talk about a natural way to limit predation!)

Marshall suggests that it also emphasizes the importance of considering broader environmental contexts, such as predation risk, as well as the perceptual abilities of natural observers like predators in studies of animal behavior.

Stankowich et al. used natural history data, including range overlap with potential predators, body size, and activity patterns, in conjunction with comparative phylogenetic analyses on 181 species of mammals to identify patterns of predation risk that could have contributed to the evolution of these two defensive strategies.

Indeed, in environments where predation is particularly intense, natural selection tends to favor dull - looking males — despite the fact that an unremarkable appearance slashes their mating opportunities.

Still others, such as conservation biologist Michael Soulé, believe that top - down versus bottom - up, like all dualisms, is false, because the natural world is complex and bottom - up forces (nutrient flow) interact with top - down forces (the effects of 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.

colorful traits are therefore subject to opposing selection pressures: positive sexual selection by conspecifics (increased mating success) and negative natural selection by predators (higher predation risk) and prey (lowered hunting success).

«Researcher studies increased predation of sagebrush songbirds in natural gas fields.»

In a natural community, the impact of stressors on a species can be amplified or diminished by associated shifts in biotic interactions such as competition, predation or parasitism.

He also has stated that tea (all types) are usually safe from insect predation due to natural defenses and therefore these same defenses may not be beneficial for our microbiome.

All seeds (or more properly «fruits»), whether they be cereals, legumes, nuts, or what conventionally call «seeds», contain a host of natural plant chemicals that serve to discourage predation by animals.

Owners who understand that predation is natural for dogs can prevent problems by supervising dogs with other pets and children, at least until they understand the attitudes and behavior of each particular dog in each circumstance.

Additionally, the natural response of parent birds to the appearance of predators — alarm - calling and nest - defense — dramatically increases bird nest predation by other animals who've been alerted to the nest.

Wildlife Predation Issues «Cats are,» according to HAHF, «recognized as a widespread and serious threat to the integrity of native wildlife populations and natural ecosystems.»

For me, the way to address the issue of feral cat predation is TNR and a very careful reintroduction of the cat's natural predators, because lethal culling of cats simply doesn't work - the 70 % rule kicks in.

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

Predation and direct competition potentially force the Eastern Quoll from its natural habitat.

Aggressive responses seen in pet cats are closely related to the natural behaviour of the species and are a normal part of predation, play and social conflict.

John S. Coleman & Stanley A. Temple, On the Prowl, WISCONSIN NATURAL RESOURCES MAG., Dec. 1996, Wisconsin Department of Natural Resources, at http://www.wnrmag.com/stories/1996/dec96/cats.htm (Coleman and Temple conducted a four - year study of cat predation in Wisconsin); see also Michele Ameri, The Australian Cat Dilemma, TED CASE STUDIES, CASE NUMBER: 396 (1997) available at http://www.american.edu/ted/cats.htm; B. M. Fitzgerald & D. C. Turner, Hunting behavior of domestic cats and their impact on prey populations, in THE DOMESTIC CAT: THE BIOLOGY OF ITS BEHAVIOUR 123 - 147 (D.C. Turner & P. Bateson, eds., Cambridge University PressNATURAL RESOURCES MAG., Dec. 1996, Wisconsin Department of Natural Resources, at http://www.wnrmag.com/stories/1996/dec96/cats.htm (Coleman and Temple conducted a four - year study of cat predation in Wisconsin); see also Michele Ameri, The Australian Cat Dilemma, TED CASE STUDIES, CASE NUMBER: 396 (1997) available at http://www.american.edu/ted/cats.htm; B. M. Fitzgerald & D. C. Turner, Hunting behavior of domestic cats and their impact on prey populations, in THE DOMESTIC CAT: THE BIOLOGY OF ITS BEHAVIOUR 123 - 147 (D.C. Turner & P. Bateson, eds., Cambridge University PressNatural Resources, at http://www.wnrmag.com/stories/1996/dec96/cats.htm (Coleman and Temple conducted a four - year study of cat predation in Wisconsin); see also Michele Ameri, The Australian Cat Dilemma, TED CASE STUDIES, CASE NUMBER: 396 (1997) available at http://www.american.edu/ted/cats.htm; B. M. Fitzgerald & D. C. Turner, Hunting behavior of domestic cats and their impact on prey populations, in THE DOMESTIC CAT: THE BIOLOGY OF ITS BEHAVIOUR 123 - 147 (D.C. Turner & P. Bateson, eds., Cambridge University Press 2000);

But it can only stop in one of two ways: either sooner, the humane way, by fewer births — family planning backed by policy to make it available and encourage people to use it — or later, the «natural» way, by more deaths — famine, disease and predation / war.

«These estimates emphasize the important role that spider predation plays in semi-natural and natural habitats, as many economically important pests and disease vectors breed in those forest and grassland biomes,» says lead author Nyffeler.