Spatial relationships between site hydrology and the occurrence of grassland of conservation importance: a risk assessment with GIS
Identifieur interne : 000E19 ( Istex/Corpus ); précédent : 000E18; suivant : 000E20Spatial relationships between site hydrology and the occurrence of grassland of conservation importance: a risk assessment with GIS
Auteurs : R. D. Swetnam ; J. O. Mountford ; A. C. Armstrong ; D. J. G. Gowing ; N. J. Brown ; S. J. Manchester ; J. R. TreweekSource :
- Journal of Environmental Management [ 0301-4797 ] ; 1998.
English descriptors
Abstract
The UK's Environmentally Sensitive Area (ESA) scheme provides financial incentives for farmers to undertake management which is compatible with the conservation of landscapes and wildlife species. Lowland wet grassland is an important component of a number of these ESAs. Management prescriptions relate to farming practices like grazing and weed management. For lowland wet grasslands, they may also include options to raise water levels for the benefit of species, many of which have declined following widespread drainage of agricultural land. This paper focuses on Southlake Moor in Somerset, south-west England, where raised water-level prescriptions have operated since 1992 and where an increased incidence of late spring flooding appears to be threatening important areas of nationally scarceCynosurus cristatus–Caltha palustrisgrassland. A methodology is presented which makes use of a GIS to quantify the distribution of the nature conservation resource and link this to a hydrological model and a database of plant water-regime requirements. The model predicts water-tables on a field-by-field basis for each 10 day period throughout the year, allowing flood maps to be constructed. The database quantifies the water regime requirements for individual species on Southlake Moor. Using individual fields as the unit of study, these two are linked within the GIS to permit the extent of spring flooding to be identified and its potential impact assessed in terms of suitability for key species/communities. The paper describes how this approach could be used to determine whether deliberate management to raise water levels might be placing characteristic and scarce vegetation communities at risk.1998 Academic Press
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DOI: 10.1006/jema.1998.0227
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Lowland wet grassland is an important component of a number of these ESAs. Management prescriptions relate to farming practices like grazing and weed management. For lowland wet grasslands, they may also include options to raise water levels for the benefit of species, many of which have declined following widespread drainage of agricultural land. This paper focuses on Southlake Moor in Somerset, south-west England, where raised water-level prescriptions have operated since 1992 and where an increased incidence of late spring flooding appears to be threatening important areas of nationally scarceCynosurus cristatus–Caltha palustrisgrassland. A methodology is presented which makes use of a GIS to quantify the distribution of the nature conservation resource and link this to a hydrological model and a database of plant water-regime requirements. The model predicts water-tables on a field-by-field basis for each 10 day period throughout the year, allowing flood maps to be constructed. The database quantifies the water regime requirements for individual species on Southlake Moor. Using individual fields as the unit of study, these two are linked within the GIS to permit the extent of spring flooding to be identified and its potential impact assessed in terms of suitability for key species/communities. The paper describes how this approach could be used to determine whether deliberate management to raise water levels might be placing characteristic and scarce vegetation communities at risk.1998 Academic Press</div></front></TEI><istex><corpusName>elsevier</corpusName><author><json:item><name>R.D. Swetnam</name><affiliations><json:string>Institute of Terrestrial Ecology, Monks Wood, Abbots Ripton, Huntingdon, PE17 2LS, Cambridgeshire, UK</json:string></affiliations></json:item><json:item><name>J.O. 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For lowland wet grasslands, they may also include options to raise water levels for the benefit of species, many of which have declined following widespread drainage of agricultural land. This paper focuses on Southlake Moor in Somerset, south-west England, where raised water-level prescriptions have operated since 1992 and where an increased incidence of late spring flooding appears to be threatening important areas of nationally scarceCynosurus cristatus–Caltha palustrisgrassland. A methodology is presented which makes use of a GIS to quantify the distribution of the nature conservation resource and link this to a hydrological model and a database of plant water-regime requirements. The model predicts water-tables on a field-by-field basis for each 10 day period throughout the year, allowing flood maps to be constructed. The database quantifies the water regime requirements for individual species on Southlake Moor. Using individual fields as the unit of study, these two are linked within the GIS to permit the extent of spring flooding to be identified and its potential impact assessed in terms of suitability for key species/communities. 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Lowland wet grassland is an important component of a number of these ESAs. Management prescriptions relate to farming practices like grazing and weed management. For lowland wet grasslands, they may also include options to raise water levels for the benefit of species, many of which have declined following widespread drainage of agricultural land. This paper focuses on Southlake Moor in Somerset, south-west England, where raised water-level prescriptions have operated since 1992 and where an increased incidence of late spring flooding appears to be threatening important areas of nationally scarceCynosurus cristatus–Caltha palustrisgrassland. A methodology is presented which makes use of a GIS to quantify the distribution of the nature conservation resource and link this to a hydrological model and a database of plant water-regime requirements. The model predicts water-tables on a field-by-field basis for each 10 day period throughout the year, allowing flood maps to be constructed. The database quantifies the water regime requirements for individual species on Southlake Moor. Using individual fields as the unit of study, these two are linked within the GIS to permit the extent of spring flooding to be identified and its potential impact assessed in terms of suitability for key species/communities. The paper describes how this approach could be used to determine whether deliberate management to raise water levels might be placing characteristic and scarce vegetation communities at risk.1998 Academic Press</p></abstract><textClass xml:lang="en"><keywords scheme="keyword"><list><head>Keywords</head><item><term>Environmentally Sensitive Areas, Geographic Information Systems, hydrological modelling, National Vegetation Classification,Cynosurus cristatus–Caltha palustris(MG8), spatial patterns.</term></item></list></keywords></textClass></profileDesc><revisionDesc><change when="1998">Published</change><change xml:id="refBibs-istex" who="#ISTEX-API" when="2016-11-19">References added</change><change xml:id="refBibs-istex" who="#ISTEX-API" when="2017-01-13">References added</change><change xml:id="refBibs-istex" who="#ISTEX-API" when="2017-01-16">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/F8BBF82FA54874100FE45C57A3516697810FC92C/fulltext/txt</uri></json:item></fulltext><metadata><istex:metadataXml wicri:clean="Elsevier converted-article found"><istex:xmlDeclaration>version="1.0" encoding="utf-8"</istex:xmlDeclaration><istex:docType PUBLIC="-//ES//DTD journal article DTD version 4.5.2//EN//XML" URI="art452.dtd" name="istex:docType"></istex:docType><istex:document><converted-article version="4.5.2" docsubtype="fla" xml:lang="en"><item-info><jid>YJEMA</jid><aid>90227</aid><ce:pii>S0301-4797(98)90227-4</ce:pii><ce:doi>10.1006/jema.1998.0227</ce:doi><ce:copyright type="full-transfer" year="1998">Academic Press</ce:copyright></item-info><head><ce:dochead><ce:textfn>Regular Article</ce:textfn></ce:dochead><ce:title>Spatial relationships between site hydrology and the occurrence of grassland of conservation importance: a risk assessment with GIS</ce:title><ce:author-group><ce:author><ce:given-name>R.D.</ce:given-name><ce:surname>Swetnam</ce:surname><ce:cross-ref refid="EV980227A1"><ce:sup>a</ce:sup></ce:cross-ref></ce:author><ce:author><ce:given-name>J.O.</ce:given-name><ce:surname>Mountford</ce:surname><ce:cross-ref refid="EV980227A1"><ce:sup>a</ce:sup></ce:cross-ref></ce:author><ce:author><ce:given-name>A.C.</ce:given-name><ce:surname>Armstrong</ce:surname><ce:cross-ref refid="EV980227A2"><ce:sup>b</ce:sup></ce:cross-ref></ce:author><ce:author><ce:given-name>D.J.G.</ce:given-name><ce:surname>Gowing</ce:surname><ce:cross-ref refid="EV980227A3"><ce:sup>c</ce:sup></ce:cross-ref></ce:author><ce:author><ce:given-name>N.J.</ce:given-name><ce:surname>Brown</ce:surname><ce:cross-ref refid="EV980227A1"><ce:sup>a</ce:sup></ce:cross-ref></ce:author><ce:author><ce:given-name>S.J.</ce:given-name><ce:surname>Manchester</ce:surname><ce:cross-ref refid="EV980227A1"><ce:sup>a</ce:sup></ce:cross-ref></ce:author><ce:author><ce:given-name>J.R.</ce:given-name><ce:surname>Treweek</ce:surname><ce:cross-ref refid="EV980227A1"><ce:sup>a</ce:sup></ce:cross-ref></ce:author><ce:affiliation id="EV980227A1"><ce:label>a</ce:label><ce:textfn>Institute of Terrestrial Ecology, Monks Wood, Abbots Ripton, Huntingdon, PE17 2LS, Cambridgeshire, UK</ce:textfn></ce:affiliation><ce:affiliation id="EV980227A2"><ce:label>b</ce:label><ce:textfn>ADAS, Gleadthorpe Land Research Centre, Meden Vale, Nottinghamshire, NG20 9PF, Mansfield, UK</ce:textfn></ce:affiliation><ce:affiliation id="EV980227A3"><ce:label>c</ce:label><ce:textfn>Silsoe College, Cranfield University, Bedfordshire, MK45 4DT, Silsoe, UK</ce:textfn></ce:affiliation></ce:author-group><ce:date-received day="13" month="8" year="1997"></ce:date-received><ce:date-accepted day="6" month="4" year="1998"></ce:date-accepted><ce:abstract><ce:section-title>Abstract</ce:section-title><ce:abstract-sec><ce:simple-para>The UK's Environmentally Sensitive Area (ESA) scheme provides financial incentives for farmers to undertake management which is compatible with the conservation of landscapes and wildlife species. Lowland wet grassland is an important component of a number of these ESAs. Management prescriptions relate to farming practices like grazing and weed management. For lowland wet grasslands, they may also include options to raise water levels for the benefit of species, many of which have declined following widespread drainage of agricultural land. This paper focuses on Southlake Moor in Somerset, south-west England, where raised water-level prescriptions have operated since 1992 and where an increased incidence of late spring flooding appears to be threatening important areas of nationally scarce<ce:italic>Cynosurus cristatus</ce:italic>–<ce:italic>Caltha palustris</ce:italic>grassland. A methodology is presented which makes use of a GIS to quantify the distribution of the nature conservation resource and link this to a hydrological model and a database of plant water-regime requirements. The model predicts water-tables on a field-by-field basis for each 10 day period throughout the year, allowing flood maps to be constructed. The database quantifies the water regime requirements for individual species on Southlake Moor. Using individual fields as the unit of study, these two are linked within the GIS to permit the extent of spring flooding to be identified and its potential impact assessed in terms of suitability for key species/communities. The paper describes how this approach could be used to determine whether deliberate management to raise water levels might be placing characteristic and scarce vegetation communities at risk.<ce:italic>1998 Academic Press</ce:italic></ce:simple-para></ce:abstract-sec></ce:abstract><ce:keywords><ce:section-title>Keywords</ce:section-title><ce:keyword><ce:text>Environmentally Sensitive Areas, Geographic Information Systems, hydrological modelling, National Vegetation Classification,<ce:italic>Cynosurus cristatus–Caltha palustris</ce:italic>(MG8), spatial patterns.</ce:text></ce:keyword></ce:keywords></head></converted-article></istex:document></istex:metadataXml><mods version="3.6"><titleInfo lang="en"><title>Spatial relationships between site hydrology and the occurrence of grassland of conservation importance: a risk assessment with GIS</title></titleInfo><titleInfo type="alternative" lang="en" contentType="CDATA"><title>Spatial relationships between site hydrology and the occurrence of grassland of conservation importance: a risk assessment with GIS</title></titleInfo><name type="personal"><namePart type="given">R.D.</namePart><namePart type="family">Swetnam</namePart><affiliation>Institute of Terrestrial Ecology, Monks Wood, Abbots Ripton, Huntingdon, PE17 2LS, Cambridgeshire, UK</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">J.O.</namePart><namePart type="family">Mountford</namePart><affiliation>Institute of Terrestrial Ecology, Monks Wood, Abbots Ripton, Huntingdon, PE17 2LS, Cambridgeshire, UK</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">A.C.</namePart><namePart type="family">Armstrong</namePart><affiliation>ADAS, Gleadthorpe Land Research Centre, Meden Vale, Nottinghamshire, NG20 9PF, Mansfield, UK</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">D.J.G.</namePart><namePart type="family">Gowing</namePart><affiliation>Silsoe College, Cranfield University, Bedfordshire, MK45 4DT, Silsoe, UK</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">N.J.</namePart><namePart type="family">Brown</namePart><affiliation>Institute of Terrestrial Ecology, Monks Wood, Abbots Ripton, Huntingdon, PE17 2LS, Cambridgeshire, UK</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">S.J.</namePart><namePart type="family">Manchester</namePart><affiliation>Institute of Terrestrial Ecology, Monks Wood, Abbots Ripton, Huntingdon, PE17 2LS, Cambridgeshire, UK</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">J.R.</namePart><namePart type="family">Treweek</namePart><affiliation>Institute of Terrestrial Ecology, Monks Wood, Abbots Ripton, Huntingdon, PE17 2LS, Cambridgeshire, UK</affiliation><role><roleTerm type="text">author</roleTerm></role></name><typeOfResource>text</typeOfResource><genre type="research-article" displayLabel="Full-length article"></genre><originInfo><publisher>ELSEVIER</publisher><dateIssued encoding="w3cdtf">1998</dateIssued><copyrightDate encoding="w3cdtf">1998</copyrightDate></originInfo><language><languageTerm type="code" authority="iso639-2b">eng</languageTerm><languageTerm type="code" authority="rfc3066">en</languageTerm></language><physicalDescription><internetMediaType>text/html</internetMediaType></physicalDescription><abstract lang="en">The UK's Environmentally Sensitive Area (ESA) scheme provides financial incentives for farmers to undertake management which is compatible with the conservation of landscapes and wildlife species. Lowland wet grassland is an important component of a number of these ESAs. Management prescriptions relate to farming practices like grazing and weed management. For lowland wet grasslands, they may also include options to raise water levels for the benefit of species, many of which have declined following widespread drainage of agricultural land. This paper focuses on Southlake Moor in Somerset, south-west England, where raised water-level prescriptions have operated since 1992 and where an increased incidence of late spring flooding appears to be threatening important areas of nationally scarceCynosurus cristatus–Caltha palustrisgrassland. A methodology is presented which makes use of a GIS to quantify the distribution of the nature conservation resource and link this to a hydrological model and a database of plant water-regime requirements. The model predicts water-tables on a field-by-field basis for each 10 day period throughout the year, allowing flood maps to be constructed. The database quantifies the water regime requirements for individual species on Southlake Moor. Using individual fields as the unit of study, these two are linked within the GIS to permit the extent of spring flooding to be identified and its potential impact assessed in terms of suitability for key species/communities. The paper describes how this approach could be used to determine whether deliberate management to raise water levels might be placing characteristic and scarce vegetation communities at risk.1998 Academic Press</abstract><note type="content">Section title: Regular Article</note><subject lang="en"><genre>Keywords</genre><topic>Environmentally Sensitive Areas, Geographic Information Systems, hydrological modelling, National Vegetation Classification,Cynosurus cristatus–Caltha palustris(MG8), spatial patterns.</topic></subject><relatedItem type="host"><titleInfo><title>Journal of Environmental Management</title></titleInfo><titleInfo type="abbreviated"><title>YJEMA</title></titleInfo><genre type="journal">journal</genre><originInfo><dateIssued encoding="w3cdtf">199811</dateIssued></originInfo><identifier type="ISSN">0301-4797</identifier><identifier type="PII">S0301-4797(00)X0027-8</identifier><part><date>199811</date><detail type="volume"><number>54</number><caption>vol.</caption></detail><detail type="issue"><number>3</number><caption>no.</caption></detail><extent unit="issue pages"><start>169</start><end>258</end></extent><extent unit="pages"><start>189</start><end>203</end></extent></part></relatedItem><identifier type="istex">F8BBF82FA54874100FE45C57A3516697810FC92C</identifier><identifier type="DOI">10.1006/jema.1998.0227</identifier><identifier type="PII">S0301-4797(98)90227-4</identifier><accessCondition type="use and reproduction" contentType="copyright">©1998 Academic Press</accessCondition><recordInfo><recordContentSource>ELSEVIER</recordContentSource><recordOrigin>Academic Press, ©1998</recordOrigin></recordInfo></mods></metadata><serie></serie></istex></record>Pour manipuler ce document sous Unix (Dilib)
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