Distribution and persistence of temporary wetland habitats in arid Australia in relation to climate
Identifieur interne : 001067 ( Istex/Corpus ); précédent : 001066; suivant : 001068Distribution and persistence of temporary wetland habitats in arid Australia in relation to climate
Auteurs : D. A. Roshier ; P. H. Whetton ; R. J. Allan ; A. I. RobertsonSource :
- Austral Ecology [ 1442-9985 ] ; 2001-08.
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- KwdEn :
Abstract
The distribution and area of temporary wetlands across the arid zone of Australia are highly variable. Any change in their distribution or extent due to climate change and/or extraction of water has the potential to adversely impact dependent biota. Satellite imagery was used to determine the spatial and temporal distribution of wetlands across arid Australia over an 11‐year period. Synoptic climate data were examined to identify the weather systems that caused wetland filling events. Simple threshold models relating rainfall to wetland filling for seven large regions of Australia were developed to examine patterns of wetland filling over the last 100 years. These data were used to examine the climatic processes that drive wetland filling and the likely impacts of climate change on wetland distribution. The strongest climatic influence on wetland filling in the arid zone was tropical weather systems. Their influence extended into southern regions and their effects were often widespread. Variation in wetland area in all regions of the arid zone was high. The Lake Eyre Basin experienced more large flood events than other regions and had the most large, persistent wetlands that remain unregulated by humans. Hindcasting of past filling events indicated that there was a general pattern of frequent wetland filling across inland Australia in the 1910s, 1950s and 1970s, and less frequent wetland filling in the late 1920s, 1930s and 1960s. Furthermore, there appeared to be no period greater than 12 months over the previous 95 years when there was no predicted wetland filling in the arid zone. Wetland ecosystems dependent on a few infrequent heavy rainfalls are clearly vulnerable to any change in frequency or magnitude of these events. Climate change that results in a drying or reduced frequency of large flood events, exacerbated by extraction of water for agriculture, could be catastrophic for some biota, particularly waterbirds, which use a mosaic of wetland habitat at broad spatial scales.
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DOI: 10.1046/j.1442-9993.2001.01122.x
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Any change in their distribution or extent due to climate change and/or extraction of water has the potential to adversely impact dependent biota. Satellite imagery was used to determine the spatial and temporal distribution of wetlands across arid Australia over an 11‐year period. Synoptic climate data were examined to identify the weather systems that caused wetland filling events. Simple threshold models relating rainfall to wetland filling for seven large regions of Australia were developed to examine patterns of wetland filling over the last 100 years. These data were used to examine the climatic processes that drive wetland filling and the likely impacts of climate change on wetland distribution. The strongest climatic influence on wetland filling in the arid zone was tropical weather systems. Their influence extended into southern regions and their effects were often widespread. Variation in wetland area in all regions of the arid zone was high. The Lake Eyre Basin experienced more large flood events than other regions and had the most large, persistent wetlands that remain unregulated by humans. Hindcasting of past filling events indicated that there was a general pattern of frequent wetland filling across inland Australia in the 1910s, 1950s and 1970s, and less frequent wetland filling in the late 1920s, 1930s and 1960s. Furthermore, there appeared to be no period greater than 12 months over the previous 95 years when there was no predicted wetland filling in the arid zone. Wetland ecosystems dependent on a few infrequent heavy rainfalls are clearly vulnerable to any change in frequency or magnitude of these events. Climate change that results in a drying or reduced frequency of large flood events, exacerbated by extraction of water for agriculture, could be catastrophic for some biota, particularly waterbirds, which use a mosaic of wetland habitat at broad spatial scales.</div></front></TEI><istex><corpusName>wiley</corpusName><author><json:item><name>D. A. Roshier</name><affiliations><json:string>1 Johnstone Centre, School of Science and Technology, Charles Sturt University, Locked Bag 588, Wagga Wagga, New South Wales 2678, Australia (Email: droshier@csu.edu.au) and 2Climate Impact Team, CSIRO Atmospheric Research, Aspendale, Victoria, Australia</json:string><json:string>*Corresponding author.</json:string></affiliations></json:item><json:item><name>P. H. 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Robertson</name><affiliations><json:string>1 Johnstone Centre, School of Science and Technology, Charles Sturt University, Locked Bag 588, Wagga Wagga, New South Wales 2678, Australia (Email: droshier@csu.edu.au) and 2Climate Impact Team, CSIRO Atmospheric Research, Aspendale, Victoria, Australia</json:string></affiliations></json:item></author><subject><json:item><lang><json:string>eng</json:string></lang><value>climate change</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>El Niño–Southern Oscillation</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>temporary wetlands</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>tropical weather systems</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>waterbirds</value></json:item></subject><articleId><json:string>AEC1122</json:string></articleId><language><json:string>eng</json:string></language><originalGenre><json:string>article</json:string></originalGenre><abstract>The distribution and area of temporary wetlands across the arid zone of Australia are highly variable. Any change in their distribution or extent due to climate change and/or extraction of water has the potential to adversely impact dependent biota. Satellite imagery was used to determine the spatial and temporal distribution of wetlands across arid Australia over an 11‐year period. Synoptic climate data were examined to identify the weather systems that caused wetland filling events. Simple threshold models relating rainfall to wetland filling for seven large regions of Australia were developed to examine patterns of wetland filling over the last 100 years. These data were used to examine the climatic processes that drive wetland filling and the likely impacts of climate change on wetland distribution. The strongest climatic influence on wetland filling in the arid zone was tropical weather systems. Their influence extended into southern regions and their effects were often widespread. Variation in wetland area in all regions of the arid zone was high. The Lake Eyre Basin experienced more large flood events than other regions and had the most large, persistent wetlands that remain unregulated by humans. Hindcasting of past filling events indicated that there was a general pattern of frequent wetland filling across inland Australia in the 1910s, 1950s and 1970s, and less frequent wetland filling in the late 1920s, 1930s and 1960s. Furthermore, there appeared to be no period greater than 12 months over the previous 95 years when there was no predicted wetland filling in the arid zone. Wetland ecosystems dependent on a few infrequent heavy rainfalls are clearly vulnerable to any change in frequency or magnitude of these events. Climate change that results in a drying or reduced frequency of large flood events, exacerbated by extraction of water for agriculture, could be catastrophic for some biota, particularly waterbirds, which use a mosaic of wetland habitat at broad spatial scales.</abstract><qualityIndicators><score>8</score><pdfVersion>1.2</pdfVersion><pdfPageSize>612 x 858 pts</pdfPageSize><refBibsNative>true</refBibsNative><abstractCharCount>2017</abstractCharCount><pdfWordCount>7843</pdfWordCount><pdfCharCount>49310</pdfCharCount><pdfPageCount>14</pdfPageCount><abstractWordCount>314</abstractWordCount></qualityIndicators><title>Distribution and persistence of temporary wetland habitats in arid Australia in relation to climate</title><genre><json:string>article</json:string></genre><host><volume>26</volume><publisherId><json:string>AEC</json:string></publisherId><pages><total>14</total><last>384</last><first>371</first></pages><issn><json:string>1442-9985</json:string></issn><issue>4</issue><genre><json:string>journal</json:string></genre><language><json:string>unknown</json:string></language><eissn><json:string>1442-9993</json:string></eissn><title>Austral Ecology</title><doi><json:string>10.1111/(ISSN)1442-9993</json:string></doi></host><categories><wos><json:string>science</json:string><json:string>ecology</json:string></wos><scienceMetrix><json:string>natural sciences</json:string><json:string>biology</json:string><json:string>ecology</json:string></scienceMetrix></categories><publicationDate>2001</publicationDate><copyrightDate>2001</copyrightDate><doi><json:string>10.1046/j.1442-9993.2001.01122.x</json:string></doi><id>3252D43F174541D5501BC2A6095C7EEAEAB4D3D0</id><score>0.03951158</score><fulltext><json:item><extension>pdf</extension><original>true</original><mimetype>application/pdf</mimetype><uri>https://api.istex.fr/document/3252D43F174541D5501BC2A6095C7EEAEAB4D3D0/fulltext/pdf</uri></json:item><json:item><extension>zip</extension><original>false</original><mimetype>application/zip</mimetype><uri>https://api.istex.fr/document/3252D43F174541D5501BC2A6095C7EEAEAB4D3D0/fulltext/zip</uri></json:item><istex:fulltextTEI uri="https://api.istex.fr/document/3252D43F174541D5501BC2A6095C7EEAEAB4D3D0/fulltext/tei"><teiHeader><fileDesc><titleStmt><title level="a" type="main" xml:lang="en">Distribution and persistence of temporary wetland habitats in arid Australia in relation to climate</title></titleStmt><publicationStmt><authority>ISTEX</authority><publisher>Blackwell Science Asia Pty. 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H.</forename><surname>Whetton</surname></persName><affiliation>1 Johnstone Centre, School of Science and Technology, Charles Sturt University, Locked Bag 588, Wagga Wagga, New South Wales 2678, Australia (Email: droshier@csu.edu.au) and 2Climate Impact Team, CSIRO Atmospheric Research, Aspendale, Victoria, Australia</affiliation></author><author xml:id="author-3"><persName><forename type="first">R. J.</forename><surname>Allan</surname></persName><note type="biography">†Present address: Hadley Centre for Climate Prediction and Research, United Kingdom Meteorological Office, Bracknell, Berkshire, UK.</note><affiliation>†Present address: Hadley Centre for Climate Prediction and Research, United Kingdom Meteorological Office, Bracknell, Berkshire, UK.</affiliation><affiliation>1 Johnstone Centre, School of Science and Technology, Charles Sturt University, Locked Bag 588, Wagga Wagga, New South Wales 2678, Australia (Email: droshier@csu.edu.au) and 2Climate Impact Team, CSIRO Atmospheric Research, Aspendale, Victoria, Australia</affiliation></author><author xml:id="author-4"><persName><forename type="first">A. I.</forename><surname>Robertson</surname></persName><affiliation>1 Johnstone Centre, School of Science and Technology, Charles Sturt University, Locked Bag 588, Wagga Wagga, New South Wales 2678, Australia (Email: droshier@csu.edu.au) and 2Climate Impact Team, CSIRO Atmospheric Research, Aspendale, Victoria, Australia</affiliation></author></analytic><monogr><title level="j">Austral Ecology</title><idno type="pISSN">1442-9985</idno><idno type="eISSN">1442-9993</idno><idno type="DOI">10.1111/(ISSN)1442-9993</idno><imprint><publisher>Blackwell Science Asia Pty. 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Satellite imagery was used to determine the spatial and temporal distribution of wetlands across arid Australia over an 11‐year period. Synoptic climate data were examined to identify the weather systems that caused wetland filling events. Simple threshold models relating rainfall to wetland filling for seven large regions of Australia were developed to examine patterns of wetland filling over the last 100 years. These data were used to examine the climatic processes that drive wetland filling and the likely impacts of climate change on wetland distribution. The strongest climatic influence on wetland filling in the arid zone was tropical weather systems. Their influence extended into southern regions and their effects were often widespread. Variation in wetland area in all regions of the arid zone was high. The Lake Eyre Basin experienced more large flood events than other regions and had the most large, persistent wetlands that remain unregulated by humans. Hindcasting of past filling events indicated that there was a general pattern of frequent wetland filling across inland Australia in the 1910s, 1950s and 1970s, and less frequent wetland filling in the late 1920s, 1930s and 1960s. Furthermore, there appeared to be no period greater than 12 months over the previous 95 years when there was no predicted wetland filling in the arid zone. Wetland ecosystems dependent on a few infrequent heavy rainfalls are clearly vulnerable to any change in frequency or magnitude of these events. Climate change that results in a drying or reduced frequency of large flood events, exacerbated by extraction of water for agriculture, could be catastrophic for some biota, particularly waterbirds, which use a mosaic of wetland habitat at broad spatial scales.</p></abstract><textClass xml:lang="en"><keywords scheme="keyword"><list><head>keywords</head><item><term>climate change</term></item><item><term>El Niño–Southern Oscillation</term></item><item><term>temporary wetlands</term></item><item><term>tropical weather systems</term></item><item><term>waterbirds</term></item></list></keywords></textClass></profileDesc><revisionDesc><change when="2001-08">Published</change></revisionDesc></teiHeader></istex:fulltextTEI><json:item><extension>txt</extension><original>false</original><mimetype>text/plain</mimetype><uri>https://api.istex.fr/document/3252D43F174541D5501BC2A6095C7EEAEAB4D3D0/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 Science Asia Pty. 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A. ROSHIER <i>ET AL.</i></title><title type="short">WETLAND HABITATS IN ARID AUSTRALIA</title></titleGroup><creators><creator creatorRole="author" xml:id="cr1" affiliationRef="#aff-1-1" corresponding="yes"><personName><givenNames>D. A.</givenNames><familyName>Roshier</familyName></personName></creator> 1 <creator creatorRole="author" xml:id="cr2" affiliationRef="#aff-1-1"><personName><givenNames>P. H.</givenNames><familyName>Whetton</familyName></personName></creator> 2 <creator creatorRole="author" xml:id="cr3" affiliationRef="#aff-1-1" noteRef="#fn1"><personName><givenNames>R. J.</givenNames><familyName>Allan</familyName></personName></creator> 2 <creator creatorRole="author" xml:id="cr4" affiliationRef="#aff-1-1"><personName><givenNames>A. I.</givenNames><familyName>Robertson</familyName></personName></creator> 1 </creators><affiliationGroup><affiliation xml:id="aff-1-1" countryCode="AU"><unparsedAffiliation><sup>1</sup> Johnstone Centre, School of Science and Technology, Charles Sturt University, Locked Bag 588, Wagga Wagga, New South Wales 2678, Australia (Email: <email>droshier@csu.edu.au</email>) and <sup>2</sup>Climate Impact Team, CSIRO Atmospheric Research, Aspendale, Victoria, Australia</unparsedAffiliation></affiliation></affiliationGroup><keywordGroup xml:lang="en"><keyword xml:id="k1">climate change</keyword><keyword xml:id="k2">El Niño–Southern Oscillation</keyword><keyword xml:id="k3">temporary wetlands</keyword><keyword xml:id="k4">tropical weather systems</keyword><keyword xml:id="k5">waterbirds</keyword></keywordGroup><abstractGroup><abstract type="main" xml:lang="en"><title type="main">Abstract</title><p>The distribution and area of temporary wetlands across the arid zone of Australia are highly variable. Any change in their distribution or extent due to climate change and/or extraction of water has the potential to adversely impact dependent biota. Satellite imagery was used to determine the spatial and temporal distribution of wetlands across arid Australia over an 11‐year period. Synoptic climate data were examined to identify the weather systems that caused wetland filling events. Simple threshold models relating rainfall to wetland filling for seven large regions of Australia were developed to examine patterns of wetland filling over the last 100 years. These data were used to examine the climatic processes that drive wetland filling and the likely impacts of climate change on wetland distribution. The strongest climatic influence on wetland filling in the arid zone was tropical weather systems. Their influence extended into southern regions and their effects were often widespread. Variation in wetland area in all regions of the arid zone was high. The Lake Eyre Basin experienced more large flood events than other regions and had the most large, persistent wetlands that remain unregulated by humans. Hindcasting of past filling events indicated that there was a general pattern of frequent wetland filling across inland Australia in the 1910s, 1950s and 1970s, and less frequent wetland filling in the late 1920s, 1930s and 1960s. Furthermore, there appeared to be no period greater than 12 months over the previous 95 years when there was no predicted wetland filling in the arid zone. Wetland ecosystems dependent on a few infrequent heavy rainfalls are clearly vulnerable to any change in frequency or magnitude of these events. Climate change that results in a drying or reduced frequency of large flood events, exacerbated by extraction of water for agriculture, could be catastrophic for some biota, particularly waterbirds, which use a mosaic of wetland habitat at broad spatial scales.</p></abstract></abstractGroup></contentMeta><noteGroup><note xml:id="fn1"><p>†Present address: Hadley Centre for Climate Prediction and Research, United Kingdom Meteorological Office, Bracknell, Berkshire, UK.</p></note></noteGroup></header></component></istex:document></istex:metadataXml><mods version="3.6"><titleInfo lang="en"><title>Distribution and persistence of temporary wetland habitats in arid Australia in relation to climate</title></titleInfo><titleInfo type="abbreviated" lang="en"><title>WETLAND HABITATS IN ARID AUSTRALIA</title></titleInfo><titleInfo type="alternative" contentType="CDATA" lang="en"><title>Distribution and persistence of temporary wetland habitats in arid Australia in relation to climate</title></titleInfo><name type="personal"><namePart type="given">D. A.</namePart><namePart type="family">Roshier</namePart><affiliation>1 Johnstone Centre, School of Science and Technology, Charles Sturt University, Locked Bag 588, Wagga Wagga, New South Wales 2678, Australia (Email: droshier@csu.edu.au) and 2Climate Impact Team, CSIRO Atmospheric Research, Aspendale, Victoria, Australia</affiliation><affiliation>*Corresponding author.</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">P. H.</namePart><namePart type="family">Whetton</namePart><affiliation>1 Johnstone Centre, School of Science and Technology, Charles Sturt University, Locked Bag 588, Wagga Wagga, New South Wales 2678, Australia (Email: droshier@csu.edu.au) and 2Climate Impact Team, CSIRO Atmospheric Research, Aspendale, Victoria, Australia</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">R. J.</namePart><namePart type="family">Allan</namePart><affiliation>1 Johnstone Centre, School of Science and Technology, Charles Sturt University, Locked Bag 588, Wagga Wagga, New South Wales 2678, Australia (Email: droshier@csu.edu.au) and 2Climate Impact Team, CSIRO Atmospheric Research, Aspendale, Victoria, Australia</affiliation><description>†Present address: Hadley Centre for Climate Prediction and Research, United Kingdom Meteorological Office, Bracknell, Berkshire, UK.</description><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">A. I.</namePart><namePart type="family">Robertson</namePart><affiliation>1 Johnstone Centre, School of Science and Technology, Charles Sturt University, Locked Bag 588, Wagga Wagga, New South Wales 2678, Australia (Email: droshier@csu.edu.au) and 2Climate Impact Team, CSIRO Atmospheric Research, Aspendale, Victoria, Australia</affiliation><role><roleTerm type="text">author</roleTerm></role></name><typeOfResource>text</typeOfResource><genre type="article" displayLabel="article"></genre><originInfo><publisher>Blackwell Science Asia Pty. Ltd.</publisher><place><placeTerm type="text">Melbourne, Australia</placeTerm></place><dateIssued encoding="w3cdtf">2001-08</dateIssued><copyrightDate encoding="w3cdtf">2001</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="figures">5</extent><extent unit="tables">3</extent><extent unit="references">95</extent><extent unit="words">9340</extent></physicalDescription><abstract lang="en">The distribution and area of temporary wetlands across the arid zone of Australia are highly variable. Any change in their distribution or extent due to climate change and/or extraction of water has the potential to adversely impact dependent biota. Satellite imagery was used to determine the spatial and temporal distribution of wetlands across arid Australia over an 11‐year period. Synoptic climate data were examined to identify the weather systems that caused wetland filling events. Simple threshold models relating rainfall to wetland filling for seven large regions of Australia were developed to examine patterns of wetland filling over the last 100 years. These data were used to examine the climatic processes that drive wetland filling and the likely impacts of climate change on wetland distribution. The strongest climatic influence on wetland filling in the arid zone was tropical weather systems. Their influence extended into southern regions and their effects were often widespread. Variation in wetland area in all regions of the arid zone was high. The Lake Eyre Basin experienced more large flood events than other regions and had the most large, persistent wetlands that remain unregulated by humans. Hindcasting of past filling events indicated that there was a general pattern of frequent wetland filling across inland Australia in the 1910s, 1950s and 1970s, and less frequent wetland filling in the late 1920s, 1930s and 1960s. Furthermore, there appeared to be no period greater than 12 months over the previous 95 years when there was no predicted wetland filling in the arid zone. Wetland ecosystems dependent on a few infrequent heavy rainfalls are clearly vulnerable to any change in frequency or magnitude of these events. Climate change that results in a drying or reduced frequency of large flood events, exacerbated by extraction of water for agriculture, could be catastrophic for some biota, particularly waterbirds, which use a mosaic of wetland habitat at broad spatial scales.</abstract><subject lang="en"><genre>keywords</genre><topic>climate change</topic><topic>El Niño–Southern Oscillation</topic><topic>temporary wetlands</topic><topic>tropical weather systems</topic><topic>waterbirds</topic></subject><relatedItem type="host"><titleInfo><title>Austral Ecology</title></titleInfo><genre type="journal">journal</genre><identifier type="ISSN">1442-9985</identifier><identifier type="eISSN">1442-9993</identifier><identifier type="DOI">10.1111/(ISSN)1442-9993</identifier><identifier type="PublisherID">AEC</identifier><part><date>2001</date><detail type="volume"><caption>vol.</caption><number>26</number></detail><detail type="issue"><caption>no.</caption><number>4</number></detail><extent unit="pages"><start>371</start><end>384</end><total>14</total></extent></part></relatedItem><identifier type="istex">3252D43F174541D5501BC2A6095C7EEAEAB4D3D0</identifier><identifier type="DOI">10.1046/j.1442-9993.2001.01122.x</identifier><identifier type="ArticleID">AEC1122</identifier><recordInfo><recordContentSource>WILEY</recordContentSource><recordOrigin>Blackwell Science Asia Pty. 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