Alien species are those moved by humans to areas outside of their native ranges. Once transported in this manner, they become removed from the predators, parasites, and diseases that kept them in balance in their native environments.
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www.state.hi.us/dlnr/Alien_Species.html
www.state.hi.us/dlnr/Alien_Species.html
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Introduced species - Wikipedia, the free encyclopedia
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An introduced , alien , exotic , non-indigenous , or non-native species , or simply an introduction , is a species living outside its native distributional range, which has arrived ther...
en.wikipedia.org/wiki/Introduced_species
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It is up to the reader to come to their own conclusions concerning the plausibility of the existence of the specific 'alien' groups mentioned in the paragraphs below, based on their own review of the evidence and documentation contained in the accompanying files.
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aliens.monstrous.com/alien_species.htm
aliens.monstrous.com/alien_species.htm
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Website devoted to UFO's and related subjects. ... Description: Newest of the Alien species, first seen in Varginha, Brazil in the early 90's. Small tan coloured imp-like being, said to resemble the Devil and give off a strange ammonia smell. Glowing red eyes, 3 large horns on the head, said to drain its victim of blood.
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www.ufos-aliens.co.uk/cosmicspecies.htm
www.ufos-aliens.co.uk/cosmicspecies.htm
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Coupled by a slow reproductive rate that was sufficient to maintain the species, alien predators can wipe out native species extremely effectively.
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alienspecies.blogspot.com/
alienspecies.blogspot.com/
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Invasive species - Wikipedia, the free encyclopedia
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Invasive species is a phrase with several definitions. The first definition expresses the phrase in terms of non-indigenous species (e.g. plants or animals) that adversely affect the habitats they in...
en.wikipedia.org/wiki/Invasive_species
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Alien species often come with a high price tag attached. In addition to reducing the diversity of native species, they can also alter the interactions among species, disrupt critical food webs and ultimately devastate animals or plants that are commercially important.
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www.bofep.org/alien_species.htm
www.bofep.org/alien_species.htm
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EO 13112 defines invasive species as "…an alien (or non-native) species whose introduction does, or is likely to cause economic or environmental harm or harm to human health". Only a small proportion of non-native species are invasive (See ISAC Definitions White Paper.)
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www.invasivespecies.gov/
www.invasivespecies.gov/
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