WHAT ARE INVASIVE SPECIES?

Invasive species are "species of plants, animals (including fish), and micro-organisms introduced by human action outside their natural past or present distribution, whose introduction or spread threatens the environment, the economy, or society, including human health." (IASSC, Government of Canada)

WHY ARE INVASIVE SPECIES A PROBLEM?

The movement of invasive species beyond their native habitats is rising drastically due to increased transport, trade, travel, and other human activities. Invasive species are typically introduced to a new environment without the natural predators, pathogens, or constraints that would normally keep them in check, so in their new habitat, they are able to put all of their energy into reproduction and growth instead of defense and recovery. [MORE...]