Using sprint swimming performance to predict upstream passage of the endangered Macquarie perch in a highly regulated river
Identifieur interne : 000B29 ( Istex/Corpus ); précédent : 000B28; suivant : 000B30Using sprint swimming performance to predict upstream passage of the endangered Macquarie perch in a highly regulated river
Auteurs : D. Starrs ; B. C. Ebner ; M. Lintermans ; C. J. FultonSource :
- Fisheries Management and Ecology [ 0969-997X ] ; 2011-10.
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- KwdEn :
Abstract
Abstract Barriers to migration are a major threat to freshwater fish populations. A novel measurement of swimming speed performance and an analytical model were used to calculate the probability that endangered Macquarie perch, Macquaria australasica Cuvier, can swim through instream structures. Over the range of river discharges (2.7–166 ML day−1) and temperatures (10–22 °C) examined, M. australasica could successfully pass through a rock‐ramp fishway and nearby natural riffles under most river discharges, whilst pipe culverts were passable only to large individuals (>17.7 cm total length) under a high river discharge. Cold water temperatures (below 16 °C) significantly reduced the likelihood of passage in each case. It was concluded that both the volume and thermal characteristics of environmental flow releases should be considered when assessing and remediating potential instream barriers to fish passage in regulated river systems.
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DOI: 10.1111/j.1365-2400.2011.00788.x
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<front><div type="abstract">Abstract Barriers to migration are a major threat to freshwater fish populations. A novel measurement of swimming speed performance and an analytical model were used to calculate the probability that endangered Macquarie perch, Macquaria australasica Cuvier, can swim through instream structures. Over the range of river discharges (2.7–166 ML day−1) and temperatures (10–22 °C) examined, M. australasica could successfully pass through a rock‐ramp fishway and nearby natural riffles under most river discharges, whilst pipe culverts were passable only to large individuals (>17.7 cm total length) under a high river discharge. Cold water temperatures (below 16 °C) significantly reduced the likelihood of passage in each case. It was concluded that both the volume and thermal characteristics of environmental flow releases should be considered when assessing and remediating potential instream barriers to fish passage in regulated river systems.</div>
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<abstractGroup><abstract type="main" xml:lang="en"><p><b>Abstract </b>
Barriers to migration are a major threat to freshwater fish populations. A novel measurement of swimming speed performance and an analytical model were used to calculate the probability that endangered Macquarie perch, <i>Macquaria australasica</i>
Cuvier, can swim through instream structures. Over the range of river discharges (2.7–166 ML day<sup>−1</sup>
) and temperatures (10–22 °C) examined, <i>M. australasica</i>
could successfully pass through a rock‐ramp fishway and nearby natural riffles under most river discharges, whilst pipe culverts were passable only to large individuals (>17.7 cm total length) under a high river discharge. Cold water temperatures (below 16 °C) significantly reduced the likelihood of passage in each case. It was concluded that both the volume and thermal characteristics of environmental flow releases should be considered when assessing and remediating potential instream barriers to fish passage in regulated river systems.</p>
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<abstract>Abstract Barriers to migration are a major threat to freshwater fish populations. A novel measurement of swimming speed performance and an analytical model were used to calculate the probability that endangered Macquarie perch, Macquaria australasica Cuvier, can swim through instream structures. Over the range of river discharges (2.7–166 ML day−1) and temperatures (10–22 °C) examined, M. australasica could successfully pass through a rock‐ramp fishway and nearby natural riffles under most river discharges, whilst pipe culverts were passable only to large individuals (>17.7 cm total length) under a high river discharge. Cold water temperatures (below 16 °C) significantly reduced the likelihood of passage in each case. It was concluded that both the volume and thermal characteristics of environmental flow releases should be considered when assessing and remediating potential instream barriers to fish passage in regulated river systems.</abstract>
<subject lang="en"><genre>keywords</genre>
<topic>connectivity</topic>
<topic>environmental flow</topic>
<topic>fishway</topic>
<topic>migration</topic>
<topic>Ucrit</topic>
<topic>Usprint</topic>
</subject>
<relatedItem type="host"><titleInfo><title>Fisheries Management and Ecology</title>
</titleInfo>
<genre type="journal">journal</genre>
<identifier type="ISSN">0969-997X</identifier>
<identifier type="eISSN">1365-2400</identifier>
<identifier type="DOI">10.1111/(ISSN)1365-2400</identifier>
<identifier type="PublisherID">FME</identifier>
<part><date>2011</date>
<detail type="volume"><caption>vol.</caption>
<number>18</number>
</detail>
<detail type="issue"><caption>no.</caption>
<number>5</number>
</detail>
<extent unit="pages"><start>360</start>
<end>374</end>
<total>15</total>
</extent>
</part>
</relatedItem>
<identifier type="istex">1F80548F46FE93BDF4D74B3B846362C1A63EB1CF</identifier>
<identifier type="DOI">10.1111/j.1365-2400.2011.00788.x</identifier>
<identifier type="ArticleID">FME788</identifier>
<accessCondition type="use and reproduction" contentType="copyright">© 2011 Blackwell Publishing Ltd</accessCondition>
<recordInfo><recordContentSource>WILEY</recordContentSource>
<recordOrigin>Blackwell Publishing Ltd</recordOrigin>
</recordInfo>
</mods>
</metadata>
<serie></serie>
</istex>
</record>
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