Eksempler på invader

• In this model, invasion success is quantified in terms of the biomass of the invader.

• It is a common observation that simple, disturbed, human habitats are more readily invaded by insects and other invaders than complex, undisturbed, natural habitats.

• However, these extraterrestrial invaders of suburbia have breached humanity's ultimate boundary, that between itself and the universe.

• For example, resources are shared with competitors, so competitors indirectly decrease invader growth.

• When invaders penetrated the area, both as raiders and traders, there was a dual process.

• When the territory boundary is breached, males confront the invader with species-typical aggressive displays and threats.

• Yet not all sections of the population were united in opposition to the invaders.

• Some parasites can also directly reduce the abundance of an invader's competitors.

• Thus, for example, now not only are cancers discussed as invaders, but social movements or groups that are perceived as undesirable are described as cancers.

• The flatlands south of the mountains also provided some protection against invaders.

• And finally, it carried clouds and rain that provided life-saving water to replace the ocean that the invaders had left behind.

• Once the populations of these invaders are large enough to cause considerable damage, it may be prohibitively expensive to control them.

• Predators and some parasites directly reduce invader survival.

• Parasites can directly reduce invader growth and natality.

• An invader's predators will also directly positively affect some parasites by serving as hosts.