adventive


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adventive

[ad′ven·tiv]
(biology)
An organism that is introduced accidentally and is imperfectly naturalized; not native.
References in periodicals archive ?
Adventive intends to publish trends and statistical information in a report that will be available on their website in November 2013.
So far, the frequency or maximum diameter of sound and dead adventive knots in different radial zones could not be predicted satisfactorily by tree or stand factors.
iii) Oversowing and fertilising reduced the proportion of bare ground and the cover of indigenous species, and transformed the vegetation to a species composition dominated by the introduced adventive grasses browntop and sweet vernal.
David Koretz will assume the role of Executive Chairman, helping to guide strategy and evangelize the Adventive story.
We used the BioClim climatic data from the WorldClim database to develop the model of adventive species potential habitats [10, 11].
Native species Adventive species summary summary Number % of Total Number % of Total # of species 233 74.
Although only five adventive taxa occurred within sampling quadrats (Table 1), the high importance values of three of these taxa are indicative of the more degraded condition of this remnant prairie and reflect a land use history which likely included cattle grazing.
Given more than two centuries of human impact in the Glen (Leuba 1972), it is not surprising that Anliot (1973) found a number of herbaceous and woody exotics naturalized or adventive in the Glen and adjacent John Bryan State Park.
A Chi-square test was used to test significance of difference in the abundance of adventive (C value < 4) vs.
Cost-effective management of archaeological sites requires as sound an ecological understanding of grassland ecology and adventive weed and woodland establishment as does nature reserve management.