Migratory drift of larval freshwater shrimps in two tropical streams, Puerto Rico
Identifieur interne : 001A40 ( Istex/Corpus ); précédent : 001A39; suivant : 001A41Migratory drift of larval freshwater shrimps in two tropical streams, Puerto Rico
Auteurs : J. G. March ; J. P. Benstead ; C. M. Pringle ; F. N. ScatenaSource :
- Freshwater Biology [ 0046-5070 ] ; 1998-09.
Abstract
1. Migratory shrimps are often major biotic components of tropical stream communities, yet spatial and temporal patterns of their migration have yet to be described. This information is of increasing importance given the continued fragmentation of tropical streams by damming and water abstraction/diversion, which can disrupt migratory life cycles. 2. Larval amphidromous shrimps are released by adult females in freshwater streams. They then drift passively to an estuarine habitat where they metamorphose before migrating back upstream. Drift of larval shrimps was sampled over two to five 24‐h periods at each of three sites along two rivers that drain the Luquillo Experimental Forest in Puerto Rico: the Espíritu Santo (10, 135 and 335 m a.s.l.) and the Mameyes (10, 90 and 290 m a.s.l.). A total of seventeen diel samplings were conducted. 3. Shrimp drift increased in the downstream direction in both catchments, and had a significant positive exponential relationship with length of stream channel above each site. There was no significant difference between catchments with respect to mean daily drift rate per km of stream channel. Maximum observed larval shrimp density was 69 102 larvae 100 m–3 (1.7 g dry mass 100 m–3), which is high relative to published invertebrate drift studies. 4. The pattern of shrimp drift agreed with the ’risk of predation hypothesis‘. In stream reaches with predatory fish, drift of larval shrimps occurred at night and was slight during the day. A nocturnal peak in drift occurred between 19.00 and 22.00 h. At a high‐altitude site, where predatory fish were absent, no diel pattern was discernible. 5. The present study provides information on the timing of migratory drift of larval shrimps, which can minimize the adverse effects of water abstraction from streams draining the Luquillo Experimental Forest. Elimination of water withdrawal during peak larval drift after dark will significantly reduce shrimp mortality.
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DOI: 10.1046/j.1365-2427.1998.00352.x
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<record><TEI wicri:istexFullTextTei="biblStruct"><teiHeader><fileDesc><titleStmt><title xml:lang="en">Migratory drift of larval freshwater shrimps in two tropical streams, Puerto Rico</title><author><name sortKey="March, J G" sort="March, J G" uniqKey="March J" first="J. G." last="March">J. G. March</name><affiliation><mods:affiliation>Institute of Ecology, University of Georgia, Athens, GA 30602, U.S.A.</mods:affiliation></affiliation></author><author><name sortKey="Benstead, J P" sort="Benstead, J P" uniqKey="Benstead J" first="J. P." last="Benstead">J. P. Benstead</name><affiliation><mods:affiliation>Institute of Ecology, University of Georgia, Athens, GA 30602, U.S.A.</mods:affiliation></affiliation></author><author><name sortKey="Pringle, C M" sort="Pringle, C M" uniqKey="Pringle C" first="C. M." last="Pringle">C. M. Pringle</name><affiliation><mods:affiliation>Institute of Ecology, University of Georgia, Athens, GA 30602, U.S.A.</mods:affiliation></affiliation></author><author><name sortKey="Scatena, F N" sort="Scatena, F N" uniqKey="Scatena F" first="F. N." last="Scatena">F. N. Scatena</name><affiliation><mods:affiliation>International Institute of Tropical Forestry, U.S. Forest Service, Call Box 25000, Rio Piedras, PR 00928, U.S.A.</mods:affiliation></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">ISTEX</idno><idno type="RBID">ISTEX:3DAADE0B2DF7F4C010C3407BB0D3E55D136674C7</idno><date when="1998" year="1998">1998</date><idno type="doi">10.1046/j.1365-2427.1998.00352.x</idno><idno type="url">https://api.istex.fr/document/3DAADE0B2DF7F4C010C3407BB0D3E55D136674C7/fulltext/pdf</idno><idno type="wicri:Area/Istex/Corpus">001A40</idno><idno type="wicri:explorRef" wicri:stream="Istex" wicri:step="Corpus" wicri:corpus="ISTEX">001A40</idno></publicationStmt><sourceDesc><biblStruct><analytic><title level="a" type="main" xml:lang="en">Migratory drift of larval freshwater shrimps in two tropical streams, Puerto Rico</title><author><name sortKey="March, J G" sort="March, J G" uniqKey="March J" first="J. G." last="March">J. G. March</name><affiliation><mods:affiliation>Institute of Ecology, University of Georgia, Athens, GA 30602, U.S.A.</mods:affiliation></affiliation></author><author><name sortKey="Benstead, J P" sort="Benstead, J P" uniqKey="Benstead J" first="J. P." last="Benstead">J. P. Benstead</name><affiliation><mods:affiliation>Institute of Ecology, University of Georgia, Athens, GA 30602, U.S.A.</mods:affiliation></affiliation></author><author><name sortKey="Pringle, C M" sort="Pringle, C M" uniqKey="Pringle C" first="C. M." last="Pringle">C. M. Pringle</name><affiliation><mods:affiliation>Institute of Ecology, University of Georgia, Athens, GA 30602, U.S.A.</mods:affiliation></affiliation></author><author><name sortKey="Scatena, F N" sort="Scatena, F N" uniqKey="Scatena F" first="F. N." last="Scatena">F. N. Scatena</name><affiliation><mods:affiliation>International Institute of Tropical Forestry, U.S. Forest Service, Call Box 25000, Rio Piedras, PR 00928, U.S.A.</mods:affiliation></affiliation></author></analytic><monogr></monogr><series><title level="j">Freshwater Biology</title><idno type="ISSN">0046-5070</idno><idno type="eISSN">1365-2427</idno><imprint><publisher>Blackwell Science Ltd</publisher><pubPlace>Oxford, UK</pubPlace><date type="published" when="1998-09">1998-09</date><biblScope unit="volume">40</biblScope><biblScope unit="issue">2</biblScope><biblScope unit="page" from="261">261</biblScope><biblScope unit="page" to="273">273</biblScope></imprint><idno type="ISSN">0046-5070</idno></series><idno type="istex">3DAADE0B2DF7F4C010C3407BB0D3E55D136674C7</idno><idno type="DOI">10.1046/j.1365-2427.1998.00352.x</idno><idno type="ArticleID">FWB352</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0046-5070</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">1. Migratory shrimps are often major biotic components of tropical stream communities, yet spatial and temporal patterns of their migration have yet to be described. This information is of increasing importance given the continued fragmentation of tropical streams by damming and water abstraction/diversion, which can disrupt migratory life cycles. 2. Larval amphidromous shrimps are released by adult females in freshwater streams. They then drift passively to an estuarine habitat where they metamorphose before migrating back upstream. Drift of larval shrimps was sampled over two to five 24‐h periods at each of three sites along two rivers that drain the Luquillo Experimental Forest in Puerto Rico: the Espíritu Santo (10, 135 and 335 m a.s.l.) and the Mameyes (10, 90 and 290 m a.s.l.). A total of seventeen diel samplings were conducted. 3. Shrimp drift increased in the downstream direction in both catchments, and had a significant positive exponential relationship with length of stream channel above each site. There was no significant difference between catchments with respect to mean daily drift rate per km of stream channel. Maximum observed larval shrimp density was 69 102 larvae 100 m–3 (1.7 g dry mass 100 m–3), which is high relative to published invertebrate drift studies. 4. The pattern of shrimp drift agreed with the ’risk of predation hypothesis‘. In stream reaches with predatory fish, drift of larval shrimps occurred at night and was slight during the day. A nocturnal peak in drift occurred between 19.00 and 22.00 h. At a high‐altitude site, where predatory fish were absent, no diel pattern was discernible. 5. The present study provides information on the timing of migratory drift of larval shrimps, which can minimize the adverse effects of water abstraction from streams draining the Luquillo Experimental Forest. Elimination of water withdrawal during peak larval drift after dark will significantly reduce shrimp mortality.</div></front></TEI><istex><corpusName>wiley</corpusName><author><json:item><name>J. G. March</name><affiliations><json:string>Institute of Ecology, University of Georgia, Athens, GA 30602, U.S.A.</json:string></affiliations></json:item><json:item><name>J. P. Benstead</name><affiliations><json:string>Institute of Ecology, University of Georgia, Athens, GA 30602, U.S.A.</json:string></affiliations></json:item><json:item><name>C. M. Pringle</name><affiliations><json:string>Institute of Ecology, University of Georgia, Athens, GA 30602, U.S.A.</json:string></affiliations></json:item><json:item><name>F. N. Scatena</name><affiliations><json:string>International Institute of Tropical Forestry, U.S. Forest Service, Call Box 25000, Rio Piedras, PR 00928, U.S.A.</json:string></affiliations></json:item></author><articleId><json:string>FWB352</json:string></articleId><language><json:string>eng</json:string></language><originalGenre><json:string>article</json:string></originalGenre><abstract>1. Migratory shrimps are often major biotic components of tropical stream communities, yet spatial and temporal patterns of their migration have yet to be described. This information is of increasing importance given the continued fragmentation of tropical streams by damming and water abstraction/diversion, which can disrupt migratory life cycles. 2. Larval amphidromous shrimps are released by adult females in freshwater streams. They then drift passively to an estuarine habitat where they metamorphose before migrating back upstream. Drift of larval shrimps was sampled over two to five 24‐h periods at each of three sites along two rivers that drain the Luquillo Experimental Forest in Puerto Rico: the Espíritu Santo (10, 135 and 335 m a.s.l.) and the Mameyes (10, 90 and 290 m a.s.l.). A total of seventeen diel samplings were conducted. 3. Shrimp drift increased in the downstream direction in both catchments, and had a significant positive exponential relationship with length of stream channel above each site. There was no significant difference between catchments with respect to mean daily drift rate per km of stream channel. Maximum observed larval shrimp density was 69 102 larvae 100 m–3 (1.7 g dry mass 100 m–3), which is high relative to published invertebrate drift studies. 4. The pattern of shrimp drift agreed with the ’risk of predation hypothesis‘. In stream reaches with predatory fish, drift of larval shrimps occurred at night and was slight during the day. A nocturnal peak in drift occurred between 19.00 and 22.00 h. At a high‐altitude site, where predatory fish were absent, no diel pattern was discernible. 5. The present study provides information on the timing of migratory drift of larval shrimps, which can minimize the adverse effects of water abstraction from streams draining the Luquillo Experimental Forest. Elimination of water withdrawal during peak larval drift after dark will significantly reduce shrimp mortality.</abstract><qualityIndicators><score>8</score><pdfVersion>1.2</pdfVersion><pdfPageSize>596 x 783 pts</pdfPageSize><refBibsNative>true</refBibsNative><abstractCharCount>1964</abstractCharCount><pdfWordCount>6201</pdfWordCount><pdfCharCount>39245</pdfCharCount><pdfPageCount>14</pdfPageCount><abstractWordCount>298</abstractWordCount></qualityIndicators><title>Migratory drift of larval freshwater shrimps in two tropical streams, Puerto Rico</title><refBibs><json:item><author><json:item><name>R. 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G.</forename><surname>March</surname></persName><affiliation>Institute of Ecology, University of Georgia, Athens, GA 30602, U.S.A.</affiliation></author><author xml:id="author-2"><persName><forename type="first">J. P.</forename><surname>Benstead</surname></persName><affiliation>Institute of Ecology, University of Georgia, Athens, GA 30602, U.S.A.</affiliation></author><author xml:id="author-3"><persName><forename type="first">C. M.</forename><surname>Pringle</surname></persName><affiliation>Institute of Ecology, University of Georgia, Athens, GA 30602, U.S.A.</affiliation></author><author xml:id="author-4"><persName><forename type="first">F. N.</forename><surname>Scatena</surname></persName><affiliation>International Institute of Tropical Forestry, U.S. Forest Service, Call Box 25000, Rio Piedras, PR 00928, U.S.A.</affiliation></author></analytic><monogr><title level="j">Freshwater Biology</title><idno type="pISSN">0046-5070</idno><idno type="eISSN">1365-2427</idno><idno type="DOI">10.1111/(ISSN)1365-2427</idno><imprint><publisher>Blackwell Science Ltd</publisher><pubPlace>Oxford, UK</pubPlace><date type="published" when="1998-09"></date><biblScope unit="volume">40</biblScope><biblScope unit="issue">2</biblScope><biblScope unit="page" from="261">261</biblScope><biblScope unit="page" to="273">273</biblScope></imprint></monogr><idno type="istex">3DAADE0B2DF7F4C010C3407BB0D3E55D136674C7</idno><idno type="DOI">10.1046/j.1365-2427.1998.00352.x</idno><idno type="ArticleID">FWB352</idno></biblStruct></sourceDesc></fileDesc><profileDesc><creation><date>1998</date></creation><langUsage><language ident="en">en</language></langUsage><abstract xml:lang="en"><p>1. Migratory shrimps are often major biotic components of tropical stream communities, yet spatial and temporal patterns of their migration have yet to be described. This information is of increasing importance given the continued fragmentation of tropical streams by damming and water abstraction/diversion, which can disrupt migratory life cycles. 2. Larval amphidromous shrimps are released by adult females in freshwater streams. They then drift passively to an estuarine habitat where they metamorphose before migrating back upstream. Drift of larval shrimps was sampled over two to five 24‐h periods at each of three sites along two rivers that drain the Luquillo Experimental Forest in Puerto Rico: the Espíritu Santo (10, 135 and 335 m a.s.l.) and the Mameyes (10, 90 and 290 m a.s.l.). A total of seventeen diel samplings were conducted. 3. Shrimp drift increased in the downstream direction in both catchments, and had a significant positive exponential relationship with length of stream channel above each site. There was no significant difference between catchments with respect to mean daily drift rate per km of stream channel. Maximum observed larval shrimp density was 69 102 larvae 100 m–3 (1.7 g dry mass 100 m–3), which is high relative to published invertebrate drift studies. 4. The pattern of shrimp drift agreed with the ’risk of predation hypothesis‘. In stream reaches with predatory fish, drift of larval shrimps occurred at night and was slight during the day. A nocturnal peak in drift occurred between 19.00 and 22.00 h. At a high‐altitude site, where predatory fish were absent, no diel pattern was discernible. 5. The present study provides information on the timing of migratory drift of larval shrimps, which can minimize the adverse effects of water abstraction from streams draining the Luquillo Experimental Forest. Elimination of water withdrawal during peak larval drift after dark will significantly reduce shrimp mortality.</p></abstract></profileDesc><revisionDesc><change when="1998-09">Published</change></revisionDesc></teiHeader></istex:fulltextTEI><json:item><extension>txt</extension><original>false</original><mimetype>text/plain</mimetype><uri>https://api.istex.fr/document/3DAADE0B2DF7F4C010C3407BB0D3E55D136674C7/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 Ltd</publisherName><publisherLoc>Oxford, UK</publisherLoc></publisherInfo><doi origin="wiley" registered="yes">10.1111/(ISSN)1365-2427</doi><issn type="print">0046-5070</issn><issn type="electronic">1365-2427</issn><idGroup><id type="product" value="FWB"></id><id type="publisherDivision" value="ST"></id></idGroup><titleGroup><title type="main" sort="FRESHWATER BIOLOGY">Freshwater Biology</title></titleGroup></publicationMeta><publicationMeta level="part" position="09002"><doi origin="wiley">10.1111/fwb.1998.40.issue-2</doi><numberingGroup><numbering type="journalVolume" number="40">40</numbering><numbering type="journalIssue" number="2">2</numbering></numberingGroup><coverDate startDate="1998-09">September 1998</coverDate></publicationMeta><publicationMeta level="unit" type="article" position="0026100" status="forIssue"><doi origin="wiley">10.1046/j.1365-2427.1998.00352.x</doi><idGroup><id type="unit" value="FWB352"></id></idGroup><countGroup><count type="pageTotal" number="13"></count></countGroup><titleGroup><title type="tocHeading1">Original Article</title></titleGroup><eventGroup><event type="firstOnline" date="2002-01-04"></event><event type="publishedOnlineFinalForm" date="2002-01-04"></event><event type="xmlConverted" agent="Converter:BPG_TO_WML3G version:2.3.6 mode:FullText source:Header result:Header" date="2010-05-06"></event><event type="xmlConverted" agent="Converter:WILEY_ML3G_TO_WILEY_ML3GV2 version:3.8.8" date="2014-01-26"></event><event type="xmlConverted" agent="Converter:WML3G_To_WML3G version:4.1.7 mode:FullText,remove_FC" date="2014-10-16"></event></eventGroup><numberingGroup><numbering type="pageFirst" number="261">261</numbering><numbering type="pageLast" number="273">273</numbering></numberingGroup><correspondenceTo>E‐mail: <email>jmarch@sparrow.ecology.uga.edu</email></correspondenceTo><linkGroup><link type="toTypesetVersion" href="file:FWB.FWB352.pdf"></link></linkGroup></publicationMeta><contentMeta><countGroup><count type="figureTotal" number="6"></count><count type="tableTotal" number="2"></count><count type="formulaTotal" number="0"></count><count type="referenceTotal" number="59"></count><count type="wordTotal" number="6717"></count><count type="linksPubMed" number="0"></count><count type="linksCrossRef" number="0"></count></countGroup><titleGroup><title type="main"><b>Migratory drift of larval freshwater shrimps in two tropical streams, Puerto Rico</b></title><title type="shortAuthors">J.G. March et al <i>.</i></title><title type="short">Migratory drift of freshwater shrimps</title></titleGroup><creators><creator creatorRole="author" xml:id="cr1" affiliationRef="#a2"><personName><givenNames>J. G.</givenNames><familyName>March</familyName></personName></creator><creator creatorRole="author" xml:id="cr2" affiliationRef="#a2"><personName><givenNames>J. P.</givenNames><familyName>Benstead</familyName></personName></creator><creator creatorRole="author" xml:id="cr3" affiliationRef="#a2"><personName><givenNames>C. M.</givenNames><familyName>Pringle</familyName></personName></creator><creator creatorRole="author" xml:id="cr4" affiliationRef="#a3"><personName><givenNames>F. N.</givenNames><familyName>Scatena</familyName></personName></creator></creators><affiliationGroup><affiliation xml:id="a2" countryCode="US"><unparsedAffiliation><i>Institute of Ecology, University of Georgia, Athens, GA 30602, U.S.A.</i></unparsedAffiliation></affiliation><affiliation xml:id="a3"><unparsedAffiliation><i>International Institute of Tropical Forestry, U.S. Forest Service, Call Box 25000, Rio Piedras, PR 00928, U.S.A.</i></unparsedAffiliation></affiliation></affiliationGroup><abstractGroup><abstract type="main" xml:lang="en"><title type="main">Summary</title><p>1. Migratory shrimps are often major biotic components of tropical stream communities, yet spatial and temporal patterns of their migration have yet to be described. This information is of increasing importance given the continued fragmentation of tropical streams by damming and water abstraction/diversion, which can disrupt migratory life cycles.</p><p>2. Larval amphidromous shrimps are released by adult females in freshwater streams. They then drift passively to an estuarine habitat where they metamorphose before migrating back upstream. Drift of larval shrimps was sampled over two to five 24‐h periods at each of three sites along two rivers that drain the Luquillo Experimental Forest in Puerto Rico: the Espíritu Santo (10, 135 and 335 m a.s.l.) and the Mameyes (10, 90 and 290 m a.s.l.). A total of seventeen diel samplings were conducted.</p><p>3. Shrimp drift increased in the downstream direction in both catchments, and had a significant positive exponential relationship with length of stream channel above each site. There was no significant difference between catchments with respect to mean daily drift rate per km of stream channel. Maximum observed larval shrimp density was 69 102 larvae 100 m<sup>–3</sup> (1.7 g dry mass 100 m<sup>–3</sup>), which is high relative to published invertebrate drift studies.</p><p>4. The pattern of shrimp drift agreed with the ’risk of predation hypothesis‘. In stream reaches with predatory fish, drift of larval shrimps occurred at night and was slight during the day. A nocturnal peak in drift occurred between 19.00 and 22.00 h. At a high‐altitude site, where predatory fish were absent, no diel pattern was discernible.</p><p>5. The present study provides information on the timing of migratory drift of larval shrimps, which can minimize the adverse effects of water abstraction from streams draining the Luquillo Experimental Forest. Elimination of water withdrawal during peak larval drift after dark will significantly reduce shrimp mortality.</p></abstract></abstractGroup></contentMeta></header></component></istex:document></istex:metadataXml><mods version="3.6"><titleInfo lang="en"><title>Migratory drift of larval freshwater shrimps in two tropical streams, Puerto Rico</title></titleInfo><titleInfo type="abbreviated" lang="en"><title>Migratory drift of freshwater shrimps</title></titleInfo><titleInfo type="alternative" contentType="CDATA" lang="en"><title>Migratory drift of larval freshwater shrimps in two tropical streams, Puerto Rico</title></titleInfo><name type="personal"><namePart type="given">J. G.</namePart><namePart type="family">March</namePart><affiliation>Institute of Ecology, University of Georgia, Athens, GA 30602, U.S.A.</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">J. P.</namePart><namePart type="family">Benstead</namePart><affiliation>Institute of Ecology, University of Georgia, Athens, GA 30602, U.S.A.</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">C. M.</namePart><namePart type="family">Pringle</namePart><affiliation>Institute of Ecology, University of Georgia, Athens, GA 30602, U.S.A.</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">F. N.</namePart><namePart type="family">Scatena</namePart><affiliation>International Institute of Tropical Forestry, U.S. Forest Service, Call Box 25000, Rio Piedras, PR 00928, U.S.A.</affiliation><role><roleTerm type="text">author</roleTerm></role></name><typeOfResource>text</typeOfResource><genre type="article" displayLabel="article"></genre><originInfo><publisher>Blackwell Science Ltd</publisher><place><placeTerm type="text">Oxford, UK</placeTerm></place><dateIssued encoding="w3cdtf">1998-09</dateIssued><copyrightDate encoding="w3cdtf">1998</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">6</extent><extent unit="tables">2</extent><extent unit="references">59</extent><extent unit="words">6717</extent></physicalDescription><abstract lang="en">1. Migratory shrimps are often major biotic components of tropical stream communities, yet spatial and temporal patterns of their migration have yet to be described. This information is of increasing importance given the continued fragmentation of tropical streams by damming and water abstraction/diversion, which can disrupt migratory life cycles. 2. Larval amphidromous shrimps are released by adult females in freshwater streams. They then drift passively to an estuarine habitat where they metamorphose before migrating back upstream. Drift of larval shrimps was sampled over two to five 24‐h periods at each of three sites along two rivers that drain the Luquillo Experimental Forest in Puerto Rico: the Espíritu Santo (10, 135 and 335 m a.s.l.) and the Mameyes (10, 90 and 290 m a.s.l.). A total of seventeen diel samplings were conducted. 3. Shrimp drift increased in the downstream direction in both catchments, and had a significant positive exponential relationship with length of stream channel above each site. There was no significant difference between catchments with respect to mean daily drift rate per km of stream channel. Maximum observed larval shrimp density was 69 102 larvae 100 m–3 (1.7 g dry mass 100 m–3), which is high relative to published invertebrate drift studies. 4. The pattern of shrimp drift agreed with the ’risk of predation hypothesis‘. In stream reaches with predatory fish, drift of larval shrimps occurred at night and was slight during the day. A nocturnal peak in drift occurred between 19.00 and 22.00 h. At a high‐altitude site, where predatory fish were absent, no diel pattern was discernible. 5. The present study provides information on the timing of migratory drift of larval shrimps, which can minimize the adverse effects of water abstraction from streams draining the Luquillo Experimental Forest. Elimination of water withdrawal during peak larval drift after dark will significantly reduce shrimp mortality.</abstract><relatedItem type="host"><titleInfo><title>Freshwater Biology</title></titleInfo><genre type="journal">journal</genre><identifier type="ISSN">0046-5070</identifier><identifier type="eISSN">1365-2427</identifier><identifier type="DOI">10.1111/(ISSN)1365-2427</identifier><identifier type="PublisherID">FWB</identifier><part><date>1998</date><detail type="volume"><caption>vol.</caption><number>40</number></detail><detail type="issue"><caption>no.</caption><number>2</number></detail><extent unit="pages"><start>261</start><end>273</end><total>13</total></extent></part></relatedItem><identifier type="istex">3DAADE0B2DF7F4C010C3407BB0D3E55D136674C7</identifier><identifier type="DOI">10.1046/j.1365-2427.1998.00352.x</identifier><identifier type="ArticleID">FWB352</identifier><recordInfo><recordContentSource>WILEY</recordContentSource><recordOrigin>Blackwell Science Ltd</recordOrigin></recordInfo></mods></metadata><serie></serie></istex></record>Pour manipuler ce document sous Unix (Dilib)
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