Sentences with phrase «predator populations»

And their high risk - taking behavior and competitive strength, coupled with the collapse of predator populations, allowed them to more than double their population.

When both species are evolving, the traditional cycle may reverse, allowing predator populations to peak before those of the prey.

When the number of prey increases — perhaps as their food supply becomes more abundant — predator populations also grow.

However, if people are stupid enough to feed feral cats or allow pets to roam outside, those cats become a starvation - proof predator population.

In general, predator populations tend to track prey populations, not the other way around.

Therefore predator population density will tend to be higher in the exclusion zone.

As prey populations fall, so do predator populations.

«One of the interesting findings was that after the oil spill, bait fish populations collapsed, and predator populations boomed.

During their long history, Mastiffs have acted as devoted guard dogs and controlled predator populations.

In nature, if predators deplete their prey supply, the depleted prey leads to predator starvation, so predator populations decline, allowing prey populations a chance to recover.

Resource subsidies, such as garbage or hunters» carcass dumps, can also support larger predator populations, leading to greater predation pressure.

Recreational and other human disturbance, loss of habitat to urban development, introduction of beachgrass and other nonnative species, and expanding predator populations have all contributed to a decline in active nesting areas and in the size of the breeding and wintering populations.

You entered the population of foxes and the population of hares and watched as the computer slowly calculated the interaction between the two as the food supply and predator population cycled around each other.

Vervet Monkeys The Vervet Monkey is not considered to be endangered on the IUCN list, but there is some concern about it: «In spite of low predator populations in many areas where human development has encroached on wild territories, this species is killed by electricity pylons, vehicles, dogs, pellet guns, poison and bullets and is trapped for traditional medicine, bush meat and for biomedical research.

In addition, all of the natural predator population will have been depleted, and so it is crucial for gardeners to reduce the number of pests before the weather improves.

Territoriality also dampens growth of predator populations, contributing to the lagged response of predator to prey population growth and allowing fluctuating prey populations time to recover from low density in systems with linked predator and prey population dynamics3, 6,7,8.

In parallel manner, the quantity of elk and moose are the limiting factor for the wolves: When the predator population runs low on food, in this case elk and moose, its population falls.

When the predator population becomes too large, however, the prey population often plummets, leaving too little food for the predators, whose population also then crashes.

«The more we know about the behavior of users and predator population, the more the analysis can be refined.

That is, the arrival of toads removes some genetic traits from the predator population (genes that make predators vulnerable to toads) but other traits (e.g., genes that tell the predator not to eat toads) are not affected.

With the rise of large, industrialized cities in Germany, the predator population began to decline, rendering sheepdogs unnecessary.

With the rise of large, industrialised cities in Germany, the predator population began to decline, rendering sheepdogs unnecessary.

One prey item is adapted to high predation pressure and supports the predator population (i.e. pigs), whereas the other prey item (i.e. the island fox) is poorly adapted to predation and declines as a consequence of the predation pressure.