Home‐Range Attributes of Raccoons in a Fragmented Agricultural Region of Northern Indiana
Identifieur interne : 000E76 ( Istex/Corpus ); précédent : 000E75; suivant : 000E77Home‐Range Attributes of Raccoons in a Fragmented Agricultural Region of Northern Indiana
Auteurs : James C. Beasley ; Travis L. Devault ; Olin E. Rhodes Jr.Source :
- The Journal of Wildlife Management [ 0022-541X ] ; 2007-05.
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Abstract
Abstract: For many wildlife species, agricultural landscapes undergo spatial and temporal fluctuations in the composition of food and cover annually with the planting and harvesting of crops. Raccoon (Procyon lotor) populations have flourished in agricultural landscapes, where crops increase foraging opportunities and efficiencies. However, information is lacking regarding the effects of temporal shifts in food and cover resulting from agricultural activities on raccoon home ranges. We examined home‐range characteristics of 60 (33 M, 27 F) adult raccoons in northern Indiana, USA, from May 2003 through June 2005 to identify shifts in the size of home ranges and core use areas among seasons defined by crop availability and crop developmental stages. Mean fixed‐kernel home‐range (92 ± 6 ha; xM ± SE) and core‐area sizes (20 ± 2 ha) of males were significantly larger than those of females (58 ± 7 ha and 13 ± 2 ha, respectively), and both were smaller than those reported for raccoons in other fragmented agricultural landscapes. Home‐range sizes varied little among seasons for either sex. However, home ranges of males were smallest during the crop maturation stage, whereas home ranges of females were smallest during the crop growing season. The results of our study suggest that even in expansive rural landscapes, raccoons can maintain small home ranges when food, water, and denning resources are readily available. Additionally, the lack of differences among seasonal home‐range sizes, despite the presence of an ephemeral superabundant food source (i.e., corn) during the maturation season, was likely due to the close proximity of foraging and denning resources across seasons.
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DOI: 10.2193/2006-022
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ISTEX:4E680B579E7B74F1170F823E45EE34C6A72AEFBCLe document en format XML
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Beasley</name><affiliation><mods:affiliation>Department of Forestry and Natural Resources, 195 Marsteller Street, Purdue University, West Lafayette, IN 47907, USA</mods:affiliation></affiliation><affiliation><mods:affiliation>E-mail: beasley@purdue.edu</mods:affiliation></affiliation></author><author><name sortKey="Devault, Travis L" sort="Devault, Travis L" uniqKey="Devault T" first="Travis L." last="Devault">Travis L. Devault</name><affiliation><mods:affiliation>Department of Forestry and Natural Resources, 195 Marsteller Street, Purdue University, West Lafayette, IN 47907, USA</mods:affiliation></affiliation></author><author><name sortKey="Rhodes Jr, Olin E" sort="Rhodes Jr, Olin E" uniqKey="Rhodes Jr O" first="Olin E." last="Rhodes Jr.">Olin E. Rhodes Jr.</name><affiliation><mods:affiliation>Department of Forestry and Natural Resources, 195 Marsteller Street, Purdue University, West Lafayette, IN 47907, USA</mods:affiliation></affiliation></author></analytic><monogr></monogr><series><title level="j">The Journal of Wildlife Management</title><idno type="ISSN">0022-541X</idno><idno type="eISSN">1937-2817</idno><imprint><publisher>Blackwell Publishing Ltd</publisher><pubPlace>Oxford, UK</pubPlace><date type="published" when="2007-05">2007-05</date><biblScope unit="volume">71</biblScope><biblScope unit="issue">3</biblScope><biblScope unit="page" from="844">844</biblScope><biblScope unit="page" to="850">850</biblScope></imprint><idno type="ISSN">0022-541X</idno></series><idno type="istex">4E680B579E7B74F1170F823E45EE34C6A72AEFBC</idno><idno type="DOI">10.2193/2006-022</idno><idno type="ArticleID">JWMG860</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0022-541X</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Indiana</term><term>Procyon lotor</term><term>agriculture</term><term>core area</term><term>corn</term><term>crop damage</term><term>fragmentation</term><term>home range</term><term>raccoon</term><term>radiotelemetry</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract">Abstract: For many wildlife species, agricultural landscapes undergo spatial and temporal fluctuations in the composition of food and cover annually with the planting and harvesting of crops. Raccoon (Procyon lotor) populations have flourished in agricultural landscapes, where crops increase foraging opportunities and efficiencies. However, information is lacking regarding the effects of temporal shifts in food and cover resulting from agricultural activities on raccoon home ranges. We examined home‐range characteristics of 60 (33 M, 27 F) adult raccoons in northern Indiana, USA, from May 2003 through June 2005 to identify shifts in the size of home ranges and core use areas among seasons defined by crop availability and crop developmental stages. Mean fixed‐kernel home‐range (92 ± 6 ha; xM ± SE) and core‐area sizes (20 ± 2 ha) of males were significantly larger than those of females (58 ± 7 ha and 13 ± 2 ha, respectively), and both were smaller than those reported for raccoons in other fragmented agricultural landscapes. Home‐range sizes varied little among seasons for either sex. However, home ranges of males were smallest during the crop maturation stage, whereas home ranges of females were smallest during the crop growing season. The results of our study suggest that even in expansive rural landscapes, raccoons can maintain small home ranges when food, water, and denning resources are readily available. Additionally, the lack of differences among seasonal home‐range sizes, despite the presence of an ephemeral superabundant food source (i.e., corn) during the maturation season, was likely due to the close proximity of foraging and denning resources across seasons.</div></front></TEI><istex><corpusName>wiley</corpusName><author><json:item><name>JAMES C. BEASLEY</name><affiliations><json:string>Department of Forestry and Natural Resources, 195 Marsteller Street, Purdue University, West Lafayette, IN 47907, USA</json:string><json:string>E-mail: beasley@purdue.edu</json:string></affiliations></json:item><json:item><name>TRAVIS L. DEVAULT</name><affiliations><json:string>Department of Forestry and Natural Resources, 195 Marsteller Street, Purdue University, West Lafayette, IN 47907, USA</json:string></affiliations></json:item><json:item><name>OLIN E. 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Raccoon (Procyon lotor) populations have flourished in agricultural landscapes, where crops increase foraging opportunities and efficiencies. However, information is lacking regarding the effects of temporal shifts in food and cover resulting from agricultural activities on raccoon home ranges. We examined home‐range characteristics of 60 (33 M, 27 F) adult raccoons in northern Indiana, USA, from May 2003 through June 2005 to identify shifts in the size of home ranges and core use areas among seasons defined by crop availability and crop developmental stages. Mean fixed‐kernel home‐range (92 ± 6 ha; xM ± SE) and core‐area sizes (20 ± 2 ha) of males were significantly larger than those of females (58 ± 7 ha and 13 ± 2 ha, respectively), and both were smaller than those reported for raccoons in other fragmented agricultural landscapes. Home‐range sizes varied little among seasons for either sex. However, home ranges of males were smallest during the crop maturation stage, whereas home ranges of females were smallest during the crop growing season. The results of our study suggest that even in expansive rural landscapes, raccoons can maintain small home ranges when food, water, and denning resources are readily available. 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Raccoon (Procyon lotor) populations have flourished in agricultural landscapes, where crops increase foraging opportunities and efficiencies. However, information is lacking regarding the effects of temporal shifts in food and cover resulting from agricultural activities on raccoon home ranges. We examined home‐range characteristics of 60 (33 M, 27 F) adult raccoons in northern Indiana, USA, from May 2003 through June 2005 to identify shifts in the size of home ranges and core use areas among seasons defined by crop availability and crop developmental stages. Mean fixed‐kernel home‐range (92 ± 6 ha; xM ± SE) and core‐area sizes (20 ± 2 ha) of males were significantly larger than those of females (58 ± 7 ha and 13 ± 2 ha, respectively), and both were smaller than those reported for raccoons in other fragmented agricultural landscapes. Home‐range sizes varied little among seasons for either sex. However, home ranges of males were smallest during the crop maturation stage, whereas home ranges of females were smallest during the crop growing season. The results of our study suggest that even in expansive rural landscapes, raccoons can maintain small home ranges when food, water, and denning resources are readily available. Additionally, the lack of differences among seasonal home‐range sizes, despite the presence of an ephemeral superabundant food source (i.e., corn) during the maturation season, was likely due to the close proximity of foraging and denning resources across seasons.</p></abstract><textClass xml:lang="en"><keywords scheme="keyword"><list><head>keywords</head><item><term>agriculture</term></item><item><term>core area</term></item><item><term>corn</term></item><item><term>crop damage</term></item><item><term>fragmentation</term></item><item><term>home range</term></item><item><term>Indiana</term></item><item><term>Procyon lotor</term></item><item><term>raccoon</term></item><item><term>radiotelemetry</term></item></list></keywords></textClass></profileDesc><revisionDesc><change 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C.</givenNames><familyName>BEASLEY</familyName></personName></creator><creator creatorRole="author" xml:id="cr2" affiliationRef="#a2" noteRef="#fn1"><personName><givenNames>TRAVIS L.</givenNames><familyName>DEVAULT</familyName></personName></creator><creator creatorRole="author" xml:id="cr3" affiliationRef="#a3"><personName><givenNames>OLIN E.</givenNames><familyName>RHODES</familyName><nameSuffix>JR.</nameSuffix></personName></creator></creators><affiliationGroup><affiliation xml:id="a1" countryCode="US"><unparsedAffiliation>Department of Forestry and Natural Resources, 195 Marsteller Street, Purdue University, West Lafayette, IN 47907, USA</unparsedAffiliation></affiliation><affiliation xml:id="a2" countryCode="US"><unparsedAffiliation>Department of Forestry and Natural Resources, 195 Marsteller Street, Purdue University, West Lafayette, IN 47907, USA</unparsedAffiliation></affiliation><affiliation xml:id="a3" countryCode="US"><unparsedAffiliation>Department of Forestry and Natural Resources, 195 Marsteller Street, Purdue University, West Lafayette, IN 47907, USA</unparsedAffiliation></affiliation></affiliationGroup><keywordGroup xml:lang="en"><keyword xml:id="k1">agriculture</keyword><keyword xml:id="k2">core area</keyword><keyword xml:id="k3">corn</keyword><keyword xml:id="k4">crop damage</keyword><keyword xml:id="k5">fragmentation</keyword><keyword xml:id="k6">home range</keyword><keyword xml:id="k7">Indiana</keyword><keyword xml:id="k8"><i>Procyon lotor</i></keyword><keyword xml:id="k9">raccoon</keyword><keyword xml:id="k10">radiotelemetry</keyword></keywordGroup><abstractGroup><abstract type="main" xml:lang="en"><p><b>Abstract:</b> For many wildlife species, agricultural landscapes undergo spatial and temporal fluctuations in the composition of food and cover annually with the planting and harvesting of crops. Raccoon <i>(Procyon lotor)</i> populations have flourished in agricultural landscapes, where crops increase foraging opportunities and efficiencies. However, information is lacking regarding the effects of temporal shifts in food and cover resulting from agricultural activities on raccoon home ranges. We examined home‐range characteristics of 60 (33 M, 27 F) adult raccoons in northern Indiana, USA, from May 2003 through June 2005 to identify shifts in the size of home ranges and core use areas among seasons defined by crop availability and crop developmental stages. Mean fixed‐kernel home‐range (92 ± 6 ha; <i>xM</i> ± SE) and core‐area sizes (20 ± 2 ha) of males were significantly larger than those of females (58 ± 7 ha and 13 ± 2 ha, respectively), and both were smaller than those reported for raccoons in other fragmented agricultural landscapes. Home‐range sizes varied little among seasons for either sex. However, home ranges of males were smallest during the crop maturation stage, whereas home ranges of females were smallest during the crop growing season. The results of our study suggest that even in expansive rural landscapes, raccoons can maintain small home ranges when food, water, and denning resources are readily available. Additionally, the lack of differences among seasonal home‐range sizes, despite the presence of an ephemeral superabundant food source (i.e., corn) during the maturation season, was likely due to the close proximity of foraging and denning resources across seasons.</p></abstract></abstractGroup></contentMeta><noteGroup><note xml:id="fn1"><p>United States Department of Agriculture/Wildlife Services, National Wildlife Research Center, 5757 Sneller Road, Brewerton, NY 13029, USA</p></note></noteGroup></header></component></istex:document></istex:metadataXml><mods version="3.6"><titleInfo lang="en"><title>Home‐Range Attributes of Raccoons in a Fragmented Agricultural Region of Northern Indiana</title></titleInfo><titleInfo type="alternative" contentType="CDATA" lang="en"><title>Home‐Range Attributes of Raccoons in a Fragmented Agricultural Region of Northern Indiana</title></titleInfo><name type="personal"><namePart type="given">JAMES C.</namePart><namePart type="family">BEASLEY</namePart><affiliation>Department of Forestry and Natural Resources, 195 Marsteller Street, Purdue University, West Lafayette, IN 47907, USA</affiliation><affiliation>E-mail: beasley@purdue.edu</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">TRAVIS L.</namePart><namePart type="family">DEVAULT</namePart><affiliation>Department of Forestry and Natural Resources, 195 Marsteller Street, Purdue University, West Lafayette, IN 47907, USA</affiliation><description>United States Department of Agriculture/Wildlife Services, National Wildlife Research Center, 5757 Sneller Road, Brewerton, NY 13029, USA</description><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">OLIN E.</namePart><namePart type="family">RHODES JR.</namePart><affiliation>Department of Forestry and Natural Resources, 195 Marsteller Street, Purdue University, West Lafayette, IN 47907, USA</affiliation><role><roleTerm type="text">author</roleTerm></role></name><typeOfResource>text</typeOfResource><genre type="article" displayLabel="article"></genre><originInfo><publisher>Blackwell Publishing Ltd</publisher><place><placeTerm type="text">Oxford, UK</placeTerm></place><dateIssued encoding="w3cdtf">2007-05</dateIssued><copyrightDate encoding="w3cdtf">2007</copyrightDate></originInfo><language><languageTerm type="code" authority="rfc3066">en</languageTerm><languageTerm type="code" authority="iso639-2b">eng</languageTerm></language><physicalDescription><internetMediaType>text/html</internetMediaType><extent unit="references">52</extent></physicalDescription><abstract>Abstract: For many wildlife species, agricultural landscapes undergo spatial and temporal fluctuations in the composition of food and cover annually with the planting and harvesting of crops. Raccoon (Procyon lotor) populations have flourished in agricultural landscapes, where crops increase foraging opportunities and efficiencies. However, information is lacking regarding the effects of temporal shifts in food and cover resulting from agricultural activities on raccoon home ranges. We examined home‐range characteristics of 60 (33 M, 27 F) adult raccoons in northern Indiana, USA, from May 2003 through June 2005 to identify shifts in the size of home ranges and core use areas among seasons defined by crop availability and crop developmental stages. Mean fixed‐kernel home‐range (92 ± 6 ha; xM ± SE) and core‐area sizes (20 ± 2 ha) of males were significantly larger than those of females (58 ± 7 ha and 13 ± 2 ha, respectively), and both were smaller than those reported for raccoons in other fragmented agricultural landscapes. Home‐range sizes varied little among seasons for either sex. However, home ranges of males were smallest during the crop maturation stage, whereas home ranges of females were smallest during the crop growing season. The results of our study suggest that even in expansive rural landscapes, raccoons can maintain small home ranges when food, water, and denning resources are readily available. Additionally, the lack of differences among seasonal home‐range sizes, despite the presence of an ephemeral superabundant food source (i.e., corn) during the maturation season, was likely due to the close proximity of foraging and denning resources across seasons.</abstract><subject lang="en"><genre>keywords</genre><topic>agriculture</topic><topic>core area</topic><topic>corn</topic><topic>crop damage</topic><topic>fragmentation</topic><topic>home range</topic><topic>Indiana</topic><topic>Procyon lotor</topic><topic>raccoon</topic><topic>radiotelemetry</topic></subject><relatedItem type="host"><titleInfo><title>The Journal of Wildlife Management</title></titleInfo><genre type="journal">journal</genre><identifier type="ISSN">0022-541X</identifier><identifier type="eISSN">1937-2817</identifier><identifier type="DOI">10.1002/(ISSN)1937-2817</identifier><identifier type="PublisherID">JWMG</identifier><part><date>2007</date><detail type="volume"><caption>vol.</caption><number>71</number></detail><detail type="issue"><caption>no.</caption><number>3</number></detail><extent unit="pages"><start>844</start><end>850</end><total>7</total></extent></part></relatedItem><identifier type="istex">4E680B579E7B74F1170F823E45EE34C6A72AEFBC</identifier><identifier type="DOI">10.2193/2006-022</identifier><identifier type="ArticleID">JWMG860</identifier><accessCondition type="use and reproduction" contentType="copyright">2007 The Wildlife Society</accessCondition><recordInfo><recordContentSource>WILEY</recordContentSource><recordOrigin>Blackwell Publishing Ltd</recordOrigin></recordInfo></mods></metadata><serie></serie></istex></record>Pour manipuler ce document sous Unix (Dilib)
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