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Nonindigenous species
Organisms accidentally or intentionally introduced into areas where they did not previously originate or live.
Subtopics:
Invasive species (28 items)
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Results 21 - 30 of 52 listed by similarity [list alphabetically]
Nonindigenous sponge distribution information [More info]
Descriptions of sponges and examples of the deleterious effects of nonindigenous species, with links to distribution maps, species lists and related information on sponges.
Nonindigenous tunicate distribution information [More info]
Descriptions of tunicates and examples of the deleterious effects of nonindigenous species, with links to distribution maps, species lists and related information on tunicates.
Nonindigenous vascular plant distribution information [More info]
Descriptions of vascular plants and examples of the deleterious effects of nonindigenous species, with links to distribution maps, species lists and related information on vascular plants.
Patuxent's effects of ecological processes and human impacts on biological resources--invasive species [More info]
List and brief abstracts on research projects on invasive species, the ecology of introduced species, and developing management strategies at Patuxent Wildlife Research Center.
PDF Using genetic research to inform imperiled and invasive species management [More info]
Describes investigative techniques focused on genetic characteristics of individuals and populations, and explains how this information helps improve existing natural populations and potentially impede invasive populations.
PDF An experiment to control nonnative fish in the Colorado River, Grand Canyon, Arizona [More info]
We removed non-native fish from a section of the river and the endangered native species humpback chub increased in abundance. But it is not yet clear that decreased competition explains the rebound in population.
Biological resource status and trends: Aquatic invasive organisms [More info]
Information concerning status and trends of biological resources, focusing on aquatic invasive organisms
Biological resource status and trends: Invasive organisms [More info]
Information concerning status and trends of biological resources, focusing on invasive organisms
Biological resource status and trends: Terrestrial invasive organisms [More info]
Information concerning status and trends of biological resources, focusing on terrestrial invasive organisms
PDF Buffelgrass-Integrated modeling of an invasive plant [More info]
Buffelgrass (Pennisetum ciliare) poses a problem in the deserts of the United States, growing in dense stands and introducing a wildfire risk in an ecosystem not adapted to fire. This report explains what we are doing to help mitigate its effects.
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