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Filling in the gaps: modelling native species richness and invasions using spatially incomplete data

Identifieur interne : 000835 ( Istex/Corpus ); précédent : 000834; suivant : 000836

Filling in the gaps: modelling native species richness and invasions using spatially incomplete data

Auteurs : Catherine S. Jarnevich ; Thomas J. Stohlgren ; David Barnett ; John Kartesz

Source :

RBID : ISTEX:7861394A15C027749576696DDAE9F086CB69357F

English descriptors

Abstract

Detailed knowledge of patterns of native species richness, an important component of biodiversity, and non‐native species invasions is often lacking even though this knowledge is essential to conservation efforts. However, we cannot afford to wait for complete information on the distribution and abundance of native and harmful invasive species. Using information from counties well surveyed for plants across the USA, we developed models to fill data gaps in poorly surveyed areas by estimating the density (number of species km−2) of native and non‐native plant species. Here, we show that native plant species density is non‐random, predictable, and is the best predictor of non‐native plant species density. We found that eastern agricultural sites and coastal areas are among the most invaded in terms of non‐native plant species densities, and that the central USA appears to have the greatest ratio of non‐native to native species. These large‐scale models could also be applied to smaller spatial scales or other taxa to set priorities for conservation and invasion mitigation, prevention, and control efforts.

Url:
DOI: 10.1111/j.1366-9516.2006.00278.x

Links to Exploration step

ISTEX:7861394A15C027749576696DDAE9F086CB69357F

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<affiliation>Fort Collins Science Center, US Geological Survey, 2150 Centre Ave Bldg C, Fort Collins, Colorado 80526, USA,</affiliation>
<affiliation>E-mail: catherine_jarnevich@usgs.gov</affiliation>
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<name type="personal">
<namePart type="given">Thomas J.</namePart>
<namePart type="family">Stohlgren</namePart>
<affiliation>Fort Collins Science Center, US Geological Survey, 2150 Centre Ave Bldg C, Fort Collins, Colorado 80526, USA,</affiliation>
<role>
<roleTerm type="text">author</roleTerm>
</role>
</name>
<name type="personal">
<namePart type="given">David</namePart>
<namePart type="family">Barnett</namePart>
<affiliation>Natural Resource Ecology Laboratory, Colorado State University, Fort Collins, Colorado 80523, USA and</affiliation>
<role>
<roleTerm type="text">author</roleTerm>
</role>
</name>
<name type="personal">
<namePart type="given">John</namePart>
<namePart type="family">Kartesz</namePart>
<affiliation>Biota of North America Program, University of North Carolina, Chapel Hill, North Carolina 27599, USA</affiliation>
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<publisher>Blackwell Publishing Ltd</publisher>
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<dateIssued encoding="w3cdtf">2006-09</dateIssued>
<copyrightDate encoding="w3cdtf">2006</copyrightDate>
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<languageTerm type="code" authority="iso639-2b">eng</languageTerm>
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<abstract lang="en">Detailed knowledge of patterns of native species richness, an important component of biodiversity, and non‐native species invasions is often lacking even though this knowledge is essential to conservation efforts. However, we cannot afford to wait for complete information on the distribution and abundance of native and harmful invasive species. Using information from counties well surveyed for plants across the USA, we developed models to fill data gaps in poorly surveyed areas by estimating the density (number of species km−2) of native and non‐native plant species. Here, we show that native plant species density is non‐random, predictable, and is the best predictor of non‐native plant species density. We found that eastern agricultural sites and coastal areas are among the most invaded in terms of non‐native plant species densities, and that the central USA appears to have the greatest ratio of non‐native to native species. These large‐scale models could also be applied to smaller spatial scales or other taxa to set priorities for conservation and invasion mitigation, prevention, and control efforts.</abstract>
<subject lang="en">
<genre>keywords</genre>
<topic>biodiversity</topic>
<topic>biological invasions</topic>
<topic>modelling</topic>
<topic>non‐native</topic>
<topic>prediction.</topic>
</subject>
<relatedItem type="host">
<titleInfo>
<title>Diversity and Distributions</title>
</titleInfo>
<genre type="journal">journal</genre>
<identifier type="ISSN">1366-9516</identifier>
<identifier type="eISSN">1472-4642</identifier>
<identifier type="DOI">10.1111/(ISSN)1472-4642</identifier>
<identifier type="PublisherID">DDI</identifier>
<part>
<date>2006</date>
<detail type="volume">
<caption>vol.</caption>
<number>12</number>
</detail>
<detail type="issue">
<caption>no.</caption>
<number>5</number>
</detail>
<extent unit="pages">
<start>511</start>
<end>520</end>
<total>10</total>
</extent>
</part>
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<identifier type="DOI">10.1111/j.1366-9516.2006.00278.x</identifier>
<identifier type="ArticleID">DDI278</identifier>
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<recordContentSource>WILEY</recordContentSource>
<recordOrigin>Blackwell Publishing Ltd</recordOrigin>
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