Some species of plants, animals, and microorganisms have been spread by humans over much wider ranges than they occupied naturally. Some of these introductions have been deliberate and were intended to improve conditions for some human activity, for...

Introduced species (also called invasive species) are those that have been released by humans into an area to which they are not native. These releases can occur accidently, from places such as the cargo holds of ships. They can also occur...

Exotic species, which are also known as alien species, invasive species, non-indigenous species, and bioinvaders, are species of plants or animals that are growing in a nonnative environment. Alien species have been moved by humans to areas outside of...

When Europeans reached North America's shorelines in the late 1400s and began to explore the continent's interior in the 1500s, they saw the vast land as a source of new plants, animals, and minerals for them to use and to transport back...

An introduced species (also known as naturalized species or exotic species) is an organism that is not indigenous to a given place or area and instead has been accidentally or deliberately transported to this new location by human activity. Introduced...

Invasive species from across a broad taxonomic spectrum have affected the ecological integrity, human economies, and quality of life in the Pacific islands. In fact, to a large degree, problems caused by invasive species in the Pacific islands represent a stark warning for...

This is the latest in a series of books published by Westview Press on social insects. (Others in the series include The biology of social insects, edited by M. Breed, C, Michener and H. Evans, 1982; Fire ants and leaf-cutter ants: biology and...

Two new invasive species have recently been found along the South Carolina coast _ a massive barnacle that dwarfs those found in the state as well as the Asian green mussel, which reproduces quickly and can pose a threat to floating docks.The barnacle is native...