Changes in transmission of Baylisascarisprocyonis to intermediate hosts as a function of spatial scale
Identifieur interne : 000B93 ( Istex/Corpus ); précédent : 000B92; suivant : 000B94Changes in transmission of Baylisascarisprocyonis to intermediate hosts as a function of spatial scale
Auteurs : L. Kristen Page ; Robert K. Swihart ; Kevin R. KazacosSource :
- Oikos [ 0030-1299 ] ; 2001-05.
Abstract
Physical changes in landscapes alter the abundance and distribution of species. Higher‐order effects can occur when changes in ecological processes result in altered interspecific interactions and subsequent changes in a species’ abundance or persistence. Baylisascarisprocyonis, a roundworm parasite of raccoons (Procyonlotor), is pathogenic to numerous small vertebrates that serve as intermediate hosts, including white‐footed mice (Peromyscusleucopus). Raccoons have responded positively to agriculturally induced changes in landscapes, with potential consequences for intermediate hosts of B. procyonis. We examined white‐footed mice from a homogeneous, predominantly forested landscape in south‐central Indiana and a heterogeneous, predominantly agricultural landscape in northwestern Indiana for presence of larval B. procyonis. We compared prevalence of infection, intensity of infection, and average number of larvae per mouse between the landscapes, and among forest patches within the highly fragmented agricultural landscape. Prevalence, intensity of infection, and average number of larvae were significantly higher in the highly fragmented landscape. Within the agricultural landscape, regression models predicted probability of infection, intensity of infection, and average number of larvae per mouse per patch as functions of forest patch area and isolation. We conclude that positive responses of raccoons to agriculturally induced fragmentation of forests have resulted in increased encounter rates between white‐footed mice and infective stages of B. procyonis between and within landscapes, resulting in increased transmission of the parasite to intermediate hosts.
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DOI: 10.1034/j.1600-0706.2001.930205.x
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Higher‐order effects can occur when changes in ecological processes result in altered interspecific interactions and subsequent changes in a species’ abundance or persistence. Baylisascarisprocyonis, a roundworm parasite of raccoons (Procyonlotor), is pathogenic to numerous small vertebrates that serve as intermediate hosts, including white‐footed mice (Peromyscusleucopus). Raccoons have responded positively to agriculturally induced changes in landscapes, with potential consequences for intermediate hosts of B. procyonis. We examined white‐footed mice from a homogeneous, predominantly forested landscape in south‐central Indiana and a heterogeneous, predominantly agricultural landscape in northwestern Indiana for presence of larval B. procyonis. We compared prevalence of infection, intensity of infection, and average number of larvae per mouse between the landscapes, and among forest patches within the highly fragmented agricultural landscape. Prevalence, intensity of infection, and average number of larvae were significantly higher in the highly fragmented landscape. Within the agricultural landscape, regression models predicted probability of infection, intensity of infection, and average number of larvae per mouse per patch as functions of forest patch area and isolation. We conclude that positive responses of raccoons to agriculturally induced fragmentation of forests have resulted in increased encounter rates between white‐footed mice and infective stages of B. procyonis between and within landscapes, resulting in increased transmission of the parasite to intermediate hosts.</div></front></TEI><istex><corpusName>wiley</corpusName><author><json:item><name>L. Kristen Page</name></json:item><json:item><name>Robert K. Swihart</name></json:item><json:item><name>Kevin R. 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We examined white‐footed mice from a homogeneous, predominantly forested landscape in south‐central Indiana and a heterogeneous, predominantly agricultural landscape in northwestern Indiana for presence of larval B. procyonis. We compared prevalence of infection, intensity of infection, and average number of larvae per mouse between the landscapes, and among forest patches within the highly fragmented agricultural landscape. Prevalence, intensity of infection, and average number of larvae were significantly higher in the highly fragmented landscape. Within the agricultural landscape, regression models predicted probability of infection, intensity of infection, and average number of larvae per mouse per patch as functions of forest patch area and isolation. 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Kristen</forename><surname>Page</surname></persName></author><author xml:id="author-2"><persName><forename type="first">Robert K.</forename><surname>Swihart</surname></persName></author><author xml:id="author-3"><persName><forename type="first">Kevin R.</forename><surname>Kazacos</surname></persName></author></analytic><monogr><title level="j">Oikos</title><title level="j" type="abbrev">Oikos</title><idno type="pISSN">0030-1299</idno><idno type="eISSN">1600-0706</idno><idno type="DOI">10.1111/(ISSN)1600-0706</idno><imprint><publisher>Munksgaard International Publishers</publisher><pubPlace>Copenhagen</pubPlace><date type="published" when="2001-05"></date><biblScope unit="volume">93</biblScope><biblScope unit="issue">2</biblScope><biblScope unit="page" from="213">213</biblScope><biblScope unit="page" to="220">220</biblScope></imprint></monogr><idno type="istex">52EF35F136840A20BF6D3940DACB5C860A467935</idno><idno type="DOI">10.1034/j.1600-0706.2001.930205.x</idno><idno type="ArticleID">OIK930205</idno></biblStruct></sourceDesc></fileDesc><profileDesc><creation><date>2001</date></creation><langUsage><language ident="en">en</language></langUsage><abstract xml:lang="en"><p>Physical changes in landscapes alter the abundance and distribution of species. Higher‐order effects can occur when changes in ecological processes result in altered interspecific interactions and subsequent changes in a species’ abundance or persistence. Baylisascarisprocyonis, a roundworm parasite of raccoons (Procyonlotor), is pathogenic to numerous small vertebrates that serve as intermediate hosts, including white‐footed mice (Peromyscusleucopus). Raccoons have responded positively to agriculturally induced changes in landscapes, with potential consequences for intermediate hosts of B. procyonis. We examined white‐footed mice from a homogeneous, predominantly forested landscape in south‐central Indiana and a heterogeneous, predominantly agricultural landscape in northwestern Indiana for presence of larval B. procyonis. We compared prevalence of infection, intensity of infection, and average number of larvae per mouse between the landscapes, and among forest patches within the highly fragmented agricultural landscape. Prevalence, intensity of infection, and average number of larvae were significantly higher in the highly fragmented landscape. Within the agricultural landscape, regression models predicted probability of infection, intensity of infection, and average number of larvae per mouse per patch as functions of forest patch area and isolation. We conclude that positive responses of raccoons to agriculturally induced fragmentation of forests have resulted in increased encounter rates between white‐footed mice and infective stages of B. procyonis between and within landscapes, resulting in increased transmission of the parasite to intermediate hosts.</p></abstract></profileDesc><revisionDesc><change when="2001-05">Published</change><change xml:id="refBibs-istex" who="#ISTEX-API" when="2016-12-12">References added</change><change xml:id="refBibs-istex" who="#ISTEX-API" when="2017-02-8">References added</change></revisionDesc></teiHeader></istex:fulltextTEI><json:item><extension>txt</extension><original>false</original><mimetype>text/plain</mimetype><uri>https://api.istex.fr/document/52EF35F136840A20BF6D3940DACB5C860A467935/fulltext/txt</uri></json:item></fulltext><metadata><istex:metadataXml wicri:clean="Wiley component found"><istex:xmlDeclaration>version="1.0" encoding="UTF-8" standalone="yes"</istex:xmlDeclaration><istex:document><component version="2.0" type="serialArticle" xml:lang="en"><header><publicationMeta level="product"><publisherInfo><publisherName>Munksgaard International Publishers</publisherName><publisherLoc>Copenhagen</publisherLoc></publisherInfo><doi origin="wiley" registered="yes">10.1111/(ISSN)1600-0706</doi><issn type="print">0030-1299</issn><issn type="electronic">1600-0706</issn><idGroup><id type="product" value="OIK"></id><id type="publisherDivision" value="ST"></id></idGroup><titleGroup><title type="main" sort="OIKOS">Oikos</title><title type="short">Oikos</title></titleGroup></publicationMeta><publicationMeta level="part" position="05002"><doi origin="wiley">10.1111/oik.2001.93.issue-2</doi><numberingGroup><numbering type="journalVolume" number="93">93</numbering><numbering type="journalIssue" number="2">2</numbering></numberingGroup><coverDate startDate="2001-05">May 2001</coverDate></publicationMeta><publicationMeta level="unit" type="article" position="0021300" status="forIssue"><doi origin="wiley">10.1034/j.1600-0706.2001.930205.x</doi><idGroup><id type="unit" value="OIK930205"></id><id type="supplier" value="oki10239"></id></idGroup><countGroup><count type="pageTotal" number="8"></count></countGroup><titleGroup><title type="tocHeading1">Original Paper</title></titleGroup><eventGroup><event type="firstOnline" date="2003-04-14"></event><event type="publishedOnlineFinalForm" date="2003-04-14"></event><event type="xmlConverted" agent="Converter:BPG_TO_WML3G version:2.3.2 mode:FullText source:Header result:Header" date="2010-02-27"></event><event type="xmlConverted" agent="Converter:WILEY_ML3G_TO_WILEY_ML3GV2 version:3.8.8" date="2014-02-06"></event><event type="xmlConverted" agent="Converter:WML3G_To_WML3G version:4.1.7 mode:FullText,remove_FC" date="2014-11-03"></event></eventGroup><numberingGroup><numbering type="pageFirst" number="213">213</numbering><numbering type="pageLast" number="220">220</numbering></numberingGroup><correspondenceTo><i>L. K. Page and R. K. Swihart, Dept of Forestry and Natural Resources, Purdue Univ., West Lafayette, IN 47907, USA (present address of LKP: Dept of Biology, Wheaton College, Wheaton, IL 60187, USA [</i><email>kristen.page@wheaton.edu</email><i>]). – K. R. Kazacos, Dept of Veterinary Pathobiology, Purdue Univ., West Lafayette, IN 47907, USA.</i></correspondenceTo><linkGroup><link type="toTypesetVersion" href="file:OIK.OIK930205.pdf"></link></linkGroup></publicationMeta><contentMeta><unparsedEditorialHistory>Accepted 21 December 2000</unparsedEditorialHistory><countGroup><count type="figureTotal" number="0"></count><count type="tableTotal" number="0"></count><count type="formulaTotal" number="4"></count><count type="referenceTotal" number="0"></count><count type="linksPubMed" number="0"></count><count type="linksCrossRef" number="0"></count></countGroup><titleGroup><title type="main">Changes in transmission of <i>Baylisascaris</i><i>procyonis</i> to intermediate hosts as a function of spatial scale</title></titleGroup><creators><creator creatorRole="author" xml:id="cr1"><personName><givenNames>L. Kristen</givenNames><familyName>Page</familyName></personName></creator><creator creatorRole="author" xml:id="cr2"><personName><givenNames>Robert K.</givenNames><familyName>Swihart</familyName></personName></creator><creator creatorRole="author" xml:id="cr3"><personName><givenNames>Kevin R.</givenNames><familyName>Kazacos</familyName></personName></creator></creators><abstractGroup><abstract type="main" xml:lang="en"><p>Physical changes in landscapes alter the abundance and distribution of species. Higher‐order effects can occur when changes in ecological processes result in altered interspecific interactions and subsequent changes in a species’ abundance or persistence. <i>Baylisascaris</i><i>procyonis</i>, a roundworm parasite of raccoons (<i>Procyon</i><i>lotor</i>), is pathogenic to numerous small vertebrates that serve as intermediate hosts, including white‐footed mice (<i>Peromyscus</i><i>leucopus</i>). Raccoons have responded positively to agriculturally induced changes in landscapes, with potential consequences for intermediate hosts of <i>B</i>. <i>procyonis</i>. We examined white‐footed mice from a homogeneous, predominantly forested landscape in south‐central Indiana and a heterogeneous, predominantly agricultural landscape in northwestern Indiana for presence of larval <i>B</i>. <i>procyonis</i>. We compared prevalence of infection, intensity of infection, and average number of larvae per mouse between the landscapes, and among forest patches within the highly fragmented agricultural landscape. Prevalence, intensity of infection, and average number of larvae were significantly higher in the highly fragmented landscape. Within the agricultural landscape, regression models predicted probability of infection, intensity of infection, and average number of larvae per mouse per patch as functions of forest patch area and isolation. We conclude that positive responses of raccoons to agriculturally induced fragmentation of forests have resulted in increased encounter rates between white‐footed mice and infective stages of <i>B</i>. <i>procyonis</i> between and within landscapes, resulting in increased transmission of the parasite to intermediate hosts.</p></abstract></abstractGroup></contentMeta></header></component></istex:document></istex:metadataXml><mods version="3.6"><titleInfo lang="en"><title>Changes in transmission of Baylisascarisprocyonis to intermediate hosts as a function of spatial scale</title></titleInfo><titleInfo type="alternative" contentType="CDATA" lang="en"><title>Changes in transmission of Baylisascarisprocyonis to intermediate hosts as a function of spatial scale</title></titleInfo><name type="personal"><namePart type="given">L. 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Higher‐order effects can occur when changes in ecological processes result in altered interspecific interactions and subsequent changes in a species’ abundance or persistence. Baylisascarisprocyonis, a roundworm parasite of raccoons (Procyonlotor), is pathogenic to numerous small vertebrates that serve as intermediate hosts, including white‐footed mice (Peromyscusleucopus). Raccoons have responded positively to agriculturally induced changes in landscapes, with potential consequences for intermediate hosts of B. procyonis. We examined white‐footed mice from a homogeneous, predominantly forested landscape in south‐central Indiana and a heterogeneous, predominantly agricultural landscape in northwestern Indiana for presence of larval B. procyonis. We compared prevalence of infection, intensity of infection, and average number of larvae per mouse between the landscapes, and among forest patches within the highly fragmented agricultural landscape. Prevalence, intensity of infection, and average number of larvae were significantly higher in the highly fragmented landscape. Within the agricultural landscape, regression models predicted probability of infection, intensity of infection, and average number of larvae per mouse per patch as functions of forest patch area and isolation. We conclude that positive responses of raccoons to agriculturally induced fragmentation of forests have resulted in increased encounter rates between white‐footed mice and infective stages of B. procyonis between and within landscapes, resulting in increased transmission of the parasite to intermediate hosts.</abstract><relatedItem type="host"><titleInfo><title>Oikos</title></titleInfo><titleInfo type="abbreviated"><title>Oikos</title></titleInfo><genre type="journal">journal</genre><identifier type="ISSN">0030-1299</identifier><identifier type="eISSN">1600-0706</identifier><identifier type="DOI">10.1111/(ISSN)1600-0706</identifier><identifier type="PublisherID">OIK</identifier><part><date>2001</date><detail type="volume"><caption>vol.</caption><number>93</number></detail><detail type="issue"><caption>no.</caption><number>2</number></detail><extent unit="pages"><start>213</start><end>220</end><total>8</total></extent></part></relatedItem><identifier type="istex">52EF35F136840A20BF6D3940DACB5C860A467935</identifier><identifier type="DOI">10.1034/j.1600-0706.2001.930205.x</identifier><identifier type="ArticleID">OIK930205</identifier><recordInfo><recordContentSource>WILEY</recordContentSource><recordOrigin>Munksgaard International Publishers</recordOrigin></recordInfo></mods></metadata><serie></serie></istex></record>Pour manipuler ce document sous Unix (Dilib)
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