A systems approach to river restoration: a case study in the lower Seine valley, France
Identifieur interne : 001229 ( Istex/Corpus ); précédent : 001228; suivant : 001230A systems approach to river restoration: a case study in the lower Seine valley, France
Auteurs : I. Poudevigne ; D. Alard ; R. S. E. W. Leuven ; P. H. NienhuisSource :
- River Research and Applications [ 1535-1459 ] ; 2002-05.
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Abstract
Restoration of regulated rivers presents fundamental challenges because of the complexity and adaptive nature of riverine ecosystems. It is now agreed that restoration strategies need to restore the system as a whole (structure, function and dynamics). Most studies are faced with the same difficulties concerning the right scale for restoration actions, the representative attributes of the riverine system and the measures capable of surveying restoration action impacts. This work proposes an approach to river restoration borrowed from the conceptual and theoretical background of landscape ecology. Leaning on experience on biodiversity restoration along the Lower Seine river, we propose a systemic approach based on the hierarchical nature of riverine systems. This approach suggests that like any system, riverine ecosystems can be simplified into basic units which are complementary and integrated in a hierarchical structure. Simplification leads to focusing on one component of the ecosystem at a relevant scale of space and time (organization level). Here, we focus on two attributes of this ecosystem at different scales: community organization and landscape organization. These organization measures, realized at different observation scales, provide insight to the ecological response of the system in time. They are measures of the stability of the system and can provide effective tools for predicting or following the impact of restoration actions on riverine landscapes. Copyright © 2002 John Wiley & Sons, Ltd.
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DOI: 10.1002/rra.667
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ISTEX:FC46E41C00ACD4DE627D23F71F1DE58E0A44E780Le document en format XML
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H.</givenNames><familyName>Nienhuis</familyName></personName></creator></creators><affiliationGroup><affiliation xml:id="af1" countryCode="FR" type="organization"><unparsedAffiliation>Université de Rouen, Laboratoire d'Ecologie, UPRES‐EA 1293, 76821 Mont Saint Aignan Cedex, France</unparsedAffiliation></affiliation><affiliation xml:id="af2" countryCode="NL" type="organization"><unparsedAffiliation>Department of Environmental Studies, Faculty of Science, University of Nijmegen, PO Box 9010, NL‐6500 GL Nijmegen, The Netherlands</unparsedAffiliation></affiliation></affiliationGroup><keywordGroup xml:lang="en" type="author"><keyword xml:id="kwd1">systems</keyword><keyword xml:id="kwd2">rivers</keyword><keyword xml:id="kwd3">restoration</keyword><keyword xml:id="kwd4">biodiversity</keyword><keyword xml:id="kwd5">landscape</keyword><keyword xml:id="kwd6">organization</keyword><keyword xml:id="kwd7">hierarchy</keyword></keywordGroup><abstractGroup><abstract type="main" xml:lang="en"><title type="main">Abstract</title><p>Restoration of regulated rivers presents fundamental challenges because of the complexity and adaptive nature of riverine ecosystems. It is now agreed that restoration strategies need to restore the system as a whole (structure, function and dynamics). Most studies are faced with the same difficulties concerning the right scale for restoration actions, the representative attributes of the riverine system and the measures capable of surveying restoration action impacts.</p><p>This work proposes an approach to river restoration borrowed from the conceptual and theoretical background of landscape ecology. Leaning on experience on biodiversity restoration along the Lower Seine river, we propose a systemic approach based on the hierarchical nature of riverine systems. This approach suggests that like any system, riverine ecosystems can be simplified into basic units which are complementary and integrated in a hierarchical structure. Simplification leads to focusing on one component of the ecosystem at a relevant scale of space and time (organization level). Here, we focus on two attributes of this ecosystem at different scales: community organization and landscape organization. These organization measures, realized at different observation scales, provide insight to the ecological response of the system in time. They are measures of the stability of the system and can provide effective tools for predicting or following the impact of restoration actions on riverine landscapes. 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It is now agreed that restoration strategies need to restore the system as a whole (structure, function and dynamics). Most studies are faced with the same difficulties concerning the right scale for restoration actions, the representative attributes of the riverine system and the measures capable of surveying restoration action impacts. This work proposes an approach to river restoration borrowed from the conceptual and theoretical background of landscape ecology. Leaning on experience on biodiversity restoration along the Lower Seine river, we propose a systemic approach based on the hierarchical nature of riverine systems. This approach suggests that like any system, riverine ecosystems can be simplified into basic units which are complementary and integrated in a hierarchical structure. Simplification leads to focusing on one component of the ecosystem at a relevant scale of space and time (organization level). Here, we focus on two attributes of this ecosystem at different scales: community organization and landscape organization. These organization measures, realized at different observation scales, provide insight to the ecological response of the system in time. They are measures of the stability of the system and can provide effective tools for predicting or following the impact of restoration actions on riverine landscapes. Copyright © 2002 John Wiley & Sons, Ltd.</abstract><subject lang="en"><genre>keywords</genre><topic>systems</topic><topic>rivers</topic><topic>restoration</topic><topic>biodiversity</topic><topic>landscape</topic><topic>organization</topic><topic>hierarchy</topic></subject><relatedItem type="host"><titleInfo><title>River Research and Applications</title></titleInfo><titleInfo type="abbreviated"><title>River Res. Applic.</title></titleInfo><genre type="journal">journal</genre><subject><genre>article-category</genre><topic>Research Article</topic></subject><identifier type="ISSN">1535-1459</identifier><identifier type="eISSN">1535-1467</identifier><identifier type="DOI">10.1002/(ISSN)1535-1467</identifier><identifier type="PublisherID">RRA</identifier><part><date>2002</date><detail type="volume"><caption>vol.</caption><number>18</number></detail><detail type="issue"><caption>no.</caption><number>3</number></detail><extent unit="pages"><start>239</start><end>247</end><total>9</total></extent></part></relatedItem><relatedItem type="preceding"><titleInfo><title>Regulated Rivers: Research & Management</title></titleInfo><identifier type="ISSN">0886-9375</identifier><identifier type="ISSN">1099-1646</identifier><part><date point="end">2001</date><detail type="volume"><caption>last vol.</caption><number>17</number></detail><detail type="issue"><caption>last no.</caption><number>6</number></detail></part></relatedItem><identifier type="istex">FC46E41C00ACD4DE627D23F71F1DE58E0A44E780</identifier><identifier type="DOI">10.1002/rra.667</identifier><identifier type="ArticleID">RRA667</identifier><accessCondition type="use and reproduction" contentType="copyright">Copyright © 2002 John Wiley & Sons, Ltd.</accessCondition><recordInfo><recordContentSource>WILEY</recordContentSource><recordOrigin>John Wiley & Sons, Ltd.</recordOrigin></recordInfo></mods></metadata><enrichments><json:item><type>multicat</type><uri>https://api.istex.fr/document/FC46E41C00ACD4DE627D23F71F1DE58E0A44E780/enrichments/multicat</uri></json:item></enrichments><serie></serie></istex></record>Pour manipuler ce document sous Unix (Dilib)
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