Intro to Invasive Species - Essay Example

Some researchers consider that human interference in the ecosystem has caused this disruption, either directly or indirectly.

Through, pollution environment around the globe changed and it threatened the life span of many species on Earth like Bluebuck, Atlas Bear, Cape Lion, Bali Tiger, Honshu wolf, Tule Shrew, etc (Kolbert, 2014). Similarly, when ecologists harvested certain species in a foreign environment it also disrupted the biodiversity of the area and numerous species as well. It cannot be exactly claimed what became the cause of the threat of extinct species, but there are many unknown factors to humans (insufficient research by nature scientists) about the environment and biodiversity of life on Earth. The brown tree snake of Guam is one of the examples, which the author discusses in the article.

 Yet, it is imperial to study the impact of exotic plants, invasive predators and pathogens in a foreign environment as their nourishment and existence will depend on numerous factors in the new environment (Gurevitch and Padilla, 2004).