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Introduced species


An introduced, alien, exotic, non-indigenous, or non-native species, or simply an introduction, .... According to a practical definition, an invasive species is one that has been introduced and beco...

Non-Native and Invasive Species - Smithsonian Marine Station


Dec 1, 2007 ... Non-native species are species that have been introduced into new ... Introduction is defined by Krueger and May (1991) as the transfer by ...

Nonnative | Define Nonnative at Dictionary.com


Nonnative definition, of or relating to a language that is not the first language acquired by a person: It is harder to communicate in your nonnative language.

Invasive Species: About NISIC - What is an Invasive Species?


May 24, 2016 ... What is an Invasive Species -- the official definition. ... 1) non-native (or alien) to the ecosystem under consideration and. 2) whose introduction ...

Native, Invasive, and Other Plant-Related Definitions | NRCS ...


Note: From the Presidential Executive Order 13112 (February 1999): 'An invasive species is defined as a species that is 1) non-native (or alien) to the ecosystem ...

What do native, non-native, and invasive mean? | Vital Signs


Invasive species are non-native plants, animals, or other organisms that did not historically occur in Maine. When introduced to Maine ecosystems, they develop  ...

Defining the Impact of Non-Native Species


Apr 29, 2014 ... The breadth and potential severity of the impacts of non-native species means that a better understanding of them is of broad relevance, ...

invasive species | biology | Britannica.com


Nov 25, 2015 ... Any nonnative species that significantly modifies or disrupts the ecosystems it colonizes. ... species, alien species, or exotic species, any nonnative species that ..... The term comes from the Greek therapeutikos, which means.

Native vs. Non-Native Species | Get the GreenGet the Green


Native vs. Non-Native Species. Native Plant. Evolved in a particular region ... meaning they have grown together with other plant species providing habitat for ...

What is an invasive species? - Encyclopedia of Life


A definition of invasive species, with links to examples, collections and ... Most non-native species have harmful ecological effects; these are referred to as ...

Invasive species
An invasive species is a plant, fungus, or animal species that is not native to a specific location (an introduced species), and which has a tendency to spread to a ... More »
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Definition of terms - GB non-native species secretariat


Definition of terms. Non-native species. The term 'non-native species' is used throughout this website and is the equivalent of 'alien species' as used by the ...

Nonnative - definition of nonnative by The Free Dictionary


Define nonnative. nonnative synonyms, nonnative pronunciation, nonnative translation ... Joan Walley, chair of the committee, said more nonnative species were ...

Invasive Species Definition Clarification and Guidance White Paper


term invasive species is further clarified and defined as “a species that is non- native ... However, some alien species (non-native will be used in this white paper ...