Sentences with phrase «natural predator population»

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.

Not exact matches

But the pattern suggests that these natural population controls could be a defining feature of top predators, the authors argue online this month in Oikos.

It is of no immediate concern to caiman populations in South America because the ants and caimans co-evolved there, and natural red fire ant predators, such as the decapitating fly, help keep the ants in check.

Without natural predators, the rat population has swollen to many million, eating their way through tens of millions of ground - nesting birds» eggs and chicks in the process.

The consequences of such initiative were disastrous: Protected from hunting for 35 years, and devoid of natural predators, the beavers grew over 5,000 times their initial population, caused irreversible changes in the forest ecosystem, and started advancing over the continent.

And unlike other successful invaders, like tiger shrimp, lionfish have no natural predators to keep populations under control.

Their chief natural predator, the once - statewide population of gray wolves, has been hunted nearly to extinction.

With no natural predators, the bison population quickly exploded.

However, when they are introduced to a new community, they may no longer have natural predators or controls on their population growth.

Consider what happens to deer on an island with no natural predators to keep their population in check...

Since then however, without natural predators to trim their numbers, the beaver population has now exploded to 100,000 — invading almost 16 million hectares of unique, native forest.

Most introduced species are not able to do so, but a small percentage can, benefiting from the lack of natural controls like predators, competition, and climate fluctuations that would otherwise keep their populations in check.