Factors affecting the abundance of rabbits (Oryctolagus cuniculus) in England and Wales
Identifieur interne : 000C82 ( Istex/Corpus ); précédent : 000C81; suivant : 000C83Factors affecting the abundance of rabbits (Oryctolagus cuniculus) in England and Wales
Auteurs : R. C. Trout ; S. Langton ; G. C. Smith ; R. H. Haines-YoungSource :
- Journal of Zoology [ 0952-8369 ] ; 2000-10.
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- KwdEn :
Abstract
Data gathered from the Ministry of Agriculture, Fisheries and Food (MAFF) National Rabbit Survey sites in the 1980s showed substantial site‐to‐site and year‐to‐year variation in rabbit Oryctolagus cuniculus abundance. Data on physical and biological factors from 450 sites were collected to seek explanations for this variation. The rabbit abundance index on the 2.25 km transects (walked along the edge of fields, woods, hedges, etc.) was used as the dependent variable for multiple regression and principal components analyses. Additionally, a preliminary attempt at mapping rabbit abundance and distribution in England and Wales using a GIS system was made. Each of the analyses produced a list of the important variables enhancing or reducing rabbit indices. Common to each list were aspects of woodland – area, number of pieces and length of edge; the dryness and patchiness of soils on site; rainfall in late winter, or variables associated with wetness of soil (e.g. number of days with rain, altitude). Other important variables included predator removal policy and the site location nationally. The two strongest components, woodland parameters and predator removal policy, are under human influence. The effects of region, county and year were small, but year‐to‐year variation within sites was larger, suggesting that rabbit populations were reacting markedly to unmeasured variables, e.g. myxomatosis outbreaks. The analysis provides a useful explanation of the factors that affect rabbit populations and a basis for how these factors may be manipulated.
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DOI: 10.1111/j.1469-7998.2000.tb00617.x
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ISTEX:06D059A1A06C5188F1D16BF175A69F79A5529304Le document en format XML
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Data on physical and biological factors from 450 sites were collected to seek explanations for this variation. The rabbit abundance index on the 2.25 km transects (walked along the edge of fields, woods, hedges, etc.) was used as the dependent variable for multiple regression and principal components analyses. Additionally, a preliminary attempt at mapping rabbit abundance and distribution in England and Wales using a GIS system was made. Each of the analyses produced a list of the important variables enhancing or reducing rabbit indices. Common to each list were aspects of woodland – area, number of pieces and length of edge; the dryness and patchiness of soils on site; rainfall in late winter, or variables associated with wetness of soil (e.g. number of days with rain, altitude). Other important variables included predator removal policy and the site location nationally. The two strongest components, woodland parameters and predator removal policy, are under human influence. The effects of region, county and year were small, but year‐to‐year variation within sites was larger, suggesting that rabbit populations were reacting markedly to unmeasured variables, e.g. myxomatosis outbreaks. The analysis provides a useful explanation of the factors that affect rabbit populations and a basis for how these factors may be manipulated.</div></front></TEI><istex><corpusName>wiley</corpusName><author><json:item><name>R. C. Trout</name><affiliations><json:string>Rabbit‐wise, Holtside, Batts Corner, Dockenfield, Farnham, Surrey GU10 4EX, U.K. (Formerly of CSL)</json:string></affiliations></json:item><json:item><name>S. Langton</name><affiliations><json:string>Central Science Laboratory, Sand Hutton, York YO41 1LZ, U.K.</json:string></affiliations></json:item><json:item><name>G. C. Smith</name><affiliations><json:string>Central Science Laboratory, Sand Hutton, York YO41 1LZ, U.K.</json:string><json:string>All correspondence to: G. C. 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Data on physical and biological factors from 450 sites were collected to seek explanations for this variation. The rabbit abundance index on the 2.25 km transects (walked along the edge of fields, woods, hedges, etc.) was used as the dependent variable for multiple regression and principal components analyses. Additionally, a preliminary attempt at mapping rabbit abundance and distribution in England and Wales using a GIS system was made. Each of the analyses produced a list of the important variables enhancing or reducing rabbit indices. Common to each list were aspects of woodland – area, number of pieces and length of edge; the dryness and patchiness of soils on site; rainfall in late winter, or variables associated with wetness of soil (e.g. number of days with rain, altitude). Other important variables included predator removal policy and the site location nationally. The two strongest components, woodland parameters and predator removal policy, are under human influence. The effects of region, county and year were small, but year‐to‐year variation within sites was larger, suggesting that rabbit populations were reacting markedly to unmeasured variables, e.g. myxomatosis outbreaks. 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Data on physical and biological factors from 450 sites were collected to seek explanations for this variation. The rabbit abundance index on the 2.25 km transects (walked along the edge of fields, woods, hedges, etc.) was used as the dependent variable for multiple regression and principal components analyses. Additionally, a preliminary attempt at mapping rabbit abundance and distribution in England and Wales using a GIS system was made. Each of the analyses produced a list of the important variables enhancing or reducing rabbit indices. Common to each list were aspects of woodland – area, number of pieces and length of edge; the dryness and patchiness of soils on site; rainfall in late winter, or variables associated with wetness of soil (e.g. number of days with rain, altitude). Other important variables included predator removal policy and the site location nationally. The two strongest components, woodland parameters and predator removal policy, are under human influence. The effects of region, county and year were small, but year‐to‐year variation within sites was larger, suggesting that rabbit populations were reacting markedly to unmeasured variables, e.g. myxomatosis outbreaks. The analysis provides a useful explanation of the factors that affect rabbit populations and a basis for how these factors may be manipulated.</p></abstract><textClass xml:lang="en"><keywords scheme="keyword"><list><head>keywords</head><item><term>Oryctolagus cuniculus</term></item><item><term>abundance</term></item><item><term>England</term></item><item><term>Wales</term></item><item><term>woodland</term></item><item><term>predator removal</term></item><item><term>GIS</term></item></list></keywords></textClass></profileDesc><revisionDesc><change when="2000-10">Published</change></revisionDesc></teiHeader></istex:fulltextTEI><json:item><extension>txt</extension><original>false</original><mimetype>text/plain</mimetype><uri>https://api.istex.fr/document/06D059A1A06C5188F1D16BF175A69F79A5529304/fulltext/txt</uri></json:item></fulltext><metadata><istex:metadataXml wicri:clean="Wiley, elements deleted: body"><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>Blackwell Publishing Ltd</publisherName><publisherLoc>Oxford, UK</publisherLoc></publisherInfo><doi origin="wiley" registered="yes">10.1111/(ISSN)1469-7998</doi><issn type="print">0952-8369</issn><issn type="electronic">1469-7998</issn><idGroup><id type="product" value="JZO"></id><id type="publisherDivision" value="ST"></id></idGroup><titleGroup><title type="main" sort="JOURNAL OF ZOOLOGY">Journal of Zoology</title></titleGroup></publicationMeta><publicationMeta level="part" position="10002"><doi origin="wiley">10.1111/jzo.2000.252.issue-2</doi><numberingGroup><numbering type="journalVolume" number="252">252</numbering><numbering type="journalIssue" number="2">2</numbering></numberingGroup><coverDate startDate="2000-10">October 2000</coverDate></publicationMeta><publicationMeta level="unit" type="article" position="0022700" status="forIssue"><doi origin="wiley">10.1111/j.1469-7998.2000.tb00617.x</doi><idGroup><id type="unit" value="JZO227"></id></idGroup><countGroup><count type="pageTotal" number="12"></count></countGroup><eventGroup><event type="firstOnline" date="2006-02-28"></event><event type="publishedOnlineFinalForm" date="2006-02-28"></event><event type="xmlConverted" agent="Converter:BPG_TO_WML3G version:2.3.5 mode:FullText source:HeaderRef result:HeaderRef" date="2010-04-07"></event><event type="xmlConverted" agent="Converter:WILEY_ML3G_TO_WILEY_ML3GV2 version:3.8.8" date="2014-02-01"></event><event type="xmlConverted" agent="Converter:WML3G_To_WML3G version:4.1.7 mode:FullText,remove_FC" date="2014-10-31"></event></eventGroup><numberingGroup><numbering type="pageFirst" number="227">227</numbering><numbering type="pageLast" number="238">238</numbering></numberingGroup><correspondenceTo>All correspondence to: G. 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C.</givenNames><familyName>Smith</familyName></personName></creator><creator creatorRole="author" xml:id="cr4" affiliationRef="#a3"><personName><givenNames>R. H.</givenNames><familyName>Haines‐Young</familyName></personName></creator></creators><affiliationGroup><affiliation xml:id="a1"><unparsedAffiliation>Rabbit‐wise, Holtside, Batts Corner, Dockenfield, Farnham, Surrey GU10 4EX, U.K. (Formerly of CSL)</unparsedAffiliation></affiliation><affiliation xml:id="a2"><unparsedAffiliation>Central Science Laboratory, Sand Hutton, York YO41 1LZ, U.K.</unparsedAffiliation></affiliation><affiliation xml:id="a3"><unparsedAffiliation>Department of Geography, University of Nottingham, Nottingham NG7 2RD, U.K.</unparsedAffiliation></affiliation></affiliationGroup><keywordGroup xml:lang="en"><keyword xml:id="k1"><i>Oryctolagus cuniculus</i></keyword><keyword xml:id="k2">abundance</keyword><keyword xml:id="k3">England</keyword><keyword xml:id="k4">Wales</keyword><keyword xml:id="k5">woodland</keyword><keyword xml:id="k6">predator removal</keyword><keyword xml:id="k7">GIS</keyword></keywordGroup><abstractGroup><abstract type="main" xml:lang="en"><title type="main">Abstract</title><p>Data gathered from the Ministry of Agriculture, Fisheries and Food (MAFF) National Rabbit Survey sites in the 1980s showed substantial site‐to‐site and year‐to‐year variation in rabbit <i>Oryctolagus cuniculus</i> abundance. Data on physical and biological factors from 450 sites were collected to seek explanations for this variation. The rabbit abundance index on the 2.25 km transects (walked along the edge of fields, woods, hedges, etc.) was used as the dependent variable for multiple regression and principal components analyses. Additionally, a preliminary attempt at mapping rabbit abundance and distribution in England and Wales using a GIS system was made. Each of the analyses produced a list of the important variables enhancing or reducing rabbit indices. Common to each list were aspects of woodland – area, number of pieces and length of edge; the dryness and patchiness of soils on site; rainfall in late winter, or variables associated with wetness of soil (e.g. number of days with rain, altitude). Other important variables included predator removal policy and the site location nationally. The two strongest components, woodland parameters and predator removal policy, are under human influence. The effects of region, county and year were small, but year‐to‐year variation within sites was larger, suggesting that rabbit populations were reacting markedly to unmeasured variables, e.g. myxomatosis outbreaks. The analysis provides a useful explanation of the factors that affect rabbit populations and a basis for how these factors may be manipulated.</p></abstract></abstractGroup></contentMeta></header></component></istex:document></istex:metadataXml><mods version="3.6"><titleInfo lang="en"><title>Factors affecting the abundance of rabbits (Oryctolagus cuniculus) in England and Wales</title></titleInfo><titleInfo type="alternative" contentType="CDATA" lang="en"><title>Factors affecting the abundance of rabbits (Oryctolagus cuniculus) in England and Wales</title></titleInfo><name type="personal"><namePart type="given">R. C.</namePart><namePart type="family">Trout</namePart><affiliation>Rabbit‐wise, Holtside, Batts Corner, Dockenfield, Farnham, Surrey GU10 4EX, U.K. (Formerly of CSL)</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">S.</namePart><namePart type="family">Langton</namePart><affiliation>Central Science Laboratory, Sand Hutton, York YO41 1LZ, U.K.</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">G. C.</namePart><namePart type="family">Smith</namePart><affiliation>Central Science Laboratory, Sand Hutton, York YO41 1LZ, U.K.</affiliation><affiliation>All correspondence to: G. C. Smith</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">R. H.</namePart><namePart type="family">Haines‐Young</namePart><affiliation>Department of Geography, University of Nottingham, Nottingham NG7 2RD, U.K.</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">2000-10</dateIssued><edition>Accepted 12 October 1999</edition><copyrightDate encoding="w3cdtf">2000</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">29</extent></physicalDescription><abstract lang="en">Data gathered from the Ministry of Agriculture, Fisheries and Food (MAFF) National Rabbit Survey sites in the 1980s showed substantial site‐to‐site and year‐to‐year variation in rabbit Oryctolagus cuniculus abundance. Data on physical and biological factors from 450 sites were collected to seek explanations for this variation. The rabbit abundance index on the 2.25 km transects (walked along the edge of fields, woods, hedges, etc.) was used as the dependent variable for multiple regression and principal components analyses. Additionally, a preliminary attempt at mapping rabbit abundance and distribution in England and Wales using a GIS system was made. Each of the analyses produced a list of the important variables enhancing or reducing rabbit indices. Common to each list were aspects of woodland – area, number of pieces and length of edge; the dryness and patchiness of soils on site; rainfall in late winter, or variables associated with wetness of soil (e.g. number of days with rain, altitude). Other important variables included predator removal policy and the site location nationally. The two strongest components, woodland parameters and predator removal policy, are under human influence. The effects of region, county and year were small, but year‐to‐year variation within sites was larger, suggesting that rabbit populations were reacting markedly to unmeasured variables, e.g. myxomatosis outbreaks. The analysis provides a useful explanation of the factors that affect rabbit populations and a basis for how these factors may be manipulated.</abstract><subject lang="en"><genre>keywords</genre><topic>Oryctolagus cuniculus</topic><topic>abundance</topic><topic>England</topic><topic>Wales</topic><topic>woodland</topic><topic>predator removal</topic><topic>GIS</topic></subject><relatedItem type="host"><titleInfo><title>Journal of Zoology</title></titleInfo><genre type="journal">journal</genre><identifier type="ISSN">0952-8369</identifier><identifier type="eISSN">1469-7998</identifier><identifier type="DOI">10.1111/(ISSN)1469-7998</identifier><identifier type="PublisherID">JZO</identifier><part><date>2000</date><detail type="volume"><caption>vol.</caption><number>252</number></detail><detail type="issue"><caption>no.</caption><number>2</number></detail><extent unit="pages"><start>227</start><end>238</end><total>12</total></extent></part></relatedItem><identifier type="istex">06D059A1A06C5188F1D16BF175A69F79A5529304</identifier><identifier type="DOI">10.1111/j.1469-7998.2000.tb00617.x</identifier><identifier type="ArticleID">JZO227</identifier><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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