Diet and feeding selectivity of a benthivorous fish in streams: responses to the effects of urbanization
This study evaluated the diet and feeding selectivity of the catfish Imparfinis mirini in streams with different degrees of urbanization and the effect of rainfall on the availability of prey. The diet was based especially on Chironomidae and Trichoptera. Significant spatial differences in diet were...
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| Veröffentlicht in: | Journal of fish biology 2013-07, Vol.83 (1), p.39-51 |
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| container_title | Journal of fish biology |
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| creator | Tófoli, R. M. Alves, G. H. Z. Higuti, J. Cunico, A. M. Hahn, N. S. |
| description | This study evaluated the diet and feeding selectivity of the catfish Imparfinis mirini in streams with different degrees of urbanization and the effect of rainfall on the availability of prey. The diet was based especially on Chironomidae and Trichoptera. Significant spatial differences in diet were found between the streams; the diet of the fish was similar in the rural and peri‐urban streams, and differed from that in the urban stream. Seasonality was an unimportant factor affecting the species' diet, which did not differ significantly between the rainy and dry periods in any of the streams. Fish from the urban stream fed more according to what was available in the environment, while fish from the peri‐urban and rural streams showed higher degrees of selectivity. The results indicate that environmental conditions influenced the diet and prey selection of this species in response to the differences in diversity and abundance of the food organisms. They indicate that trophic studies of benthivorous fishes, such as I. mirini, may represent an alternative way to assess human effects on streams. |
| doi_str_mv | 10.1111/jfb.12145 |
| format | Article |
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M. ; Alves, G. H. Z. ; Higuti, J. ; Cunico, A. M. ; Hahn, N. S.</creator><creatorcontrib>Tófoli, R. M. ; Alves, G. H. Z. ; Higuti, J. ; Cunico, A. M. ; Hahn, N. S.</creatorcontrib><description>This study evaluated the diet and feeding selectivity of the catfish Imparfinis mirini in streams with different degrees of urbanization and the effect of rainfall on the availability of prey. The diet was based especially on Chironomidae and Trichoptera. Significant spatial differences in diet were found between the streams; the diet of the fish was similar in the rural and peri‐urban streams, and differed from that in the urban stream. Seasonality was an unimportant factor affecting the species' diet, which did not differ significantly between the rainy and dry periods in any of the streams. Fish from the urban stream fed more according to what was available in the environment, while fish from the peri‐urban and rural streams showed higher degrees of selectivity. The results indicate that environmental conditions influenced the diet and prey selection of this species in response to the differences in diversity and abundance of the food organisms. They indicate that trophic studies of benthivorous fishes, such as I. mirini, may represent an alternative way to assess human effects on streams.</description><identifier>ISSN: 0022-1112</identifier><identifier>EISSN: 1095-8649</identifier><identifier>DOI: 10.1111/jfb.12145</identifier><identifier>PMID: 23808691</identifier><identifier>CODEN: JFIBA9</identifier><language>eng</language><publisher>Oxford, UK: Blackwell Publishing Ltd</publisher><subject>Agnatha. Pisces ; Animal and plant ecology ; Animal, plant and microbial ecology ; Animals ; Autoecology ; Biological and medical sciences ; Catfishes ; Chironomidae ; Diet ; Feeding Behavior ; Fish ; Fresh water ecosystems ; Fundamental and applied biological sciences. Psychology ; General aspects ; human effects ; Imparfinis mirini ; macroinvertebrates ; predator-prey ; Rivers ; Synecology ; Trichoptera ; Urbanization ; Vertebrates: general zoology, morphology, phylogeny, systematics, cytogenetics, geographical distribution</subject><ispartof>Journal of fish biology, 2013-07, Vol.83 (1), p.39-51</ispartof><rights>2013 The Authors. Journal of Fish Biology © 2013 The Fisheries Society of the British Isles</rights><rights>2014 INIST-CNRS</rights><rights>2013 The Authors. Journal of Fish Biology © 2013 The Fisheries Society of the British Isles.</rights><rights>Journal of Fish Biology © 2013 The Fisheries Society of the British Isles</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4545-48779c2b21c69146658841ae66611b233e4db17fa3327115f9d73e29f0c4c2653</citedby><cites>FETCH-LOGICAL-c4545-48779c2b21c69146658841ae66611b233e4db17fa3327115f9d73e29f0c4c2653</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1111%2Fjfb.12145$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1111%2Fjfb.12145$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1417,27924,27925,45574,45575</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=27554315$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/23808691$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Tófoli, R. M.</creatorcontrib><creatorcontrib>Alves, G. H. Z.</creatorcontrib><creatorcontrib>Higuti, J.</creatorcontrib><creatorcontrib>Cunico, A. M.</creatorcontrib><creatorcontrib>Hahn, N. S.</creatorcontrib><title>Diet and feeding selectivity of a benthivorous fish in streams: responses to the effects of urbanization</title><title>Journal of fish biology</title><addtitle>J Fish Biol</addtitle><description>This study evaluated the diet and feeding selectivity of the catfish Imparfinis mirini in streams with different degrees of urbanization and the effect of rainfall on the availability of prey. The diet was based especially on Chironomidae and Trichoptera. Significant spatial differences in diet were found between the streams; the diet of the fish was similar in the rural and peri‐urban streams, and differed from that in the urban stream. Seasonality was an unimportant factor affecting the species' diet, which did not differ significantly between the rainy and dry periods in any of the streams. Fish from the urban stream fed more according to what was available in the environment, while fish from the peri‐urban and rural streams showed higher degrees of selectivity. The results indicate that environmental conditions influenced the diet and prey selection of this species in response to the differences in diversity and abundance of the food organisms. They indicate that trophic studies of benthivorous fishes, such as I. mirini, may represent an alternative way to assess human effects on streams.</description><subject>Agnatha. Pisces</subject><subject>Animal and plant ecology</subject><subject>Animal, plant and microbial ecology</subject><subject>Animals</subject><subject>Autoecology</subject><subject>Biological and medical sciences</subject><subject>Catfishes</subject><subject>Chironomidae</subject><subject>Diet</subject><subject>Feeding Behavior</subject><subject>Fish</subject><subject>Fresh water ecosystems</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>General aspects</subject><subject>human effects</subject><subject>Imparfinis mirini</subject><subject>macroinvertebrates</subject><subject>predator-prey</subject><subject>Rivers</subject><subject>Synecology</subject><subject>Trichoptera</subject><subject>Urbanization</subject><subject>Vertebrates: general zoology, morphology, phylogeny, systematics, cytogenetics, geographical distribution</subject><issn>0022-1112</issn><issn>1095-8649</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqF0c1u1DAUBWALgei0sOAFkCWEVBZp_e-kOyi0BVXAosDScjzXjIeMM9hOYXh6ks60SEgIb7z5zrGvLkJPKDmi4zle-vaIMirkPTSjpJFVrURzH80IYawaAdtD-zkvCSENb_hDtMd4TWrV0BlavA5QsI1z7AHmIX7FGTpwJVyHssG9xxa3EMsiXPepHzL2IS9wiDiXBHaVT3CCvO5jhoxLj8sCMHg_5vOUHVJrY_hlS-jjI_TA2y7D4919gD6dvbk6vaguP5y_PX15WTkhhaxErXXjWMuoG_8nlJJ1LagFpRSlLeMcxLyl2lvOmaZU-mauObDGEyccU5IfoMNt7zr13wfIxaxCdtB1NsI4gKGCMkml1vT_lGsueC3lRJ_9RZf9kOI4yKSYbBS_KXyxVS71OSfwZp3CyqaNocRMmzLjpszNpkb7dNc4tCuY38nb1Yzg-Q7Y7Gznk40u5D9OSyk4nYqOt-5H6GDz7xfNu7NXt09X20TIBX7eJWz6ZpTmWpov78_NRa3UR3n12XD-G0AZtn0</recordid><startdate>201307</startdate><enddate>201307</enddate><creator>Tófoli, R. M.</creator><creator>Alves, G. H. Z.</creator><creator>Higuti, J.</creator><creator>Cunico, A. M.</creator><creator>Hahn, N. S.</creator><general>Blackwell Publishing Ltd</general><general>Blackwell</general><general>Wiley Subscription Services, Inc</general><scope>BSCLL</scope><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QG</scope><scope>7SN</scope><scope>7TN</scope><scope>8FD</scope><scope>C1K</scope><scope>F1W</scope><scope>FR3</scope><scope>H95</scope><scope>L.G</scope><scope>P64</scope><scope>RC3</scope><scope>7X8</scope><scope>7QH</scope><scope>7ST</scope><scope>7U6</scope><scope>7UA</scope><scope>H98</scope></search><sort><creationdate>201307</creationdate><title>Diet and feeding selectivity of a benthivorous fish in streams: responses to the effects of urbanization</title><author>Tófoli, R. M. ; Alves, G. H. Z. ; Higuti, J. ; Cunico, A. M. ; Hahn, N. S.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4545-48779c2b21c69146658841ae66611b233e4db17fa3327115f9d73e29f0c4c2653</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Agnatha. Pisces</topic><topic>Animal and plant ecology</topic><topic>Animal, plant and microbial ecology</topic><topic>Animals</topic><topic>Autoecology</topic><topic>Biological and medical sciences</topic><topic>Catfishes</topic><topic>Chironomidae</topic><topic>Diet</topic><topic>Feeding Behavior</topic><topic>Fish</topic><topic>Fresh water ecosystems</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>General aspects</topic><topic>human effects</topic><topic>Imparfinis mirini</topic><topic>macroinvertebrates</topic><topic>predator-prey</topic><topic>Rivers</topic><topic>Synecology</topic><topic>Trichoptera</topic><topic>Urbanization</topic><topic>Vertebrates: general zoology, morphology, phylogeny, systematics, cytogenetics, geographical distribution</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Tófoli, R. M.</creatorcontrib><creatorcontrib>Alves, G. H. Z.</creatorcontrib><creatorcontrib>Higuti, J.</creatorcontrib><creatorcontrib>Cunico, A. M.</creatorcontrib><creatorcontrib>Hahn, N. 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M.</au><au>Alves, G. H. Z.</au><au>Higuti, J.</au><au>Cunico, A. M.</au><au>Hahn, N. S.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Diet and feeding selectivity of a benthivorous fish in streams: responses to the effects of urbanization</atitle><jtitle>Journal of fish biology</jtitle><addtitle>J Fish Biol</addtitle><date>2013-07</date><risdate>2013</risdate><volume>83</volume><issue>1</issue><spage>39</spage><epage>51</epage><pages>39-51</pages><issn>0022-1112</issn><eissn>1095-8649</eissn><coden>JFIBA9</coden><abstract>This study evaluated the diet and feeding selectivity of the catfish Imparfinis mirini in streams with different degrees of urbanization and the effect of rainfall on the availability of prey. The diet was based especially on Chironomidae and Trichoptera. Significant spatial differences in diet were found between the streams; the diet of the fish was similar in the rural and peri‐urban streams, and differed from that in the urban stream. Seasonality was an unimportant factor affecting the species' diet, which did not differ significantly between the rainy and dry periods in any of the streams. Fish from the urban stream fed more according to what was available in the environment, while fish from the peri‐urban and rural streams showed higher degrees of selectivity. The results indicate that environmental conditions influenced the diet and prey selection of this species in response to the differences in diversity and abundance of the food organisms. They indicate that trophic studies of benthivorous fishes, such as I. mirini, may represent an alternative way to assess human effects on streams.</abstract><cop>Oxford, UK</cop><pub>Blackwell Publishing Ltd</pub><pmid>23808691</pmid><doi>10.1111/jfb.12145</doi><tpages>13</tpages></addata></record> |
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| subjects | Agnatha. Pisces Animal and plant ecology Animal, plant and microbial ecology Animals Autoecology Biological and medical sciences Catfishes Chironomidae Diet Feeding Behavior Fish Fresh water ecosystems Fundamental and applied biological sciences. Psychology General aspects human effects Imparfinis mirini macroinvertebrates predator-prey Rivers Synecology Trichoptera Urbanization Vertebrates: general zoology, morphology, phylogeny, systematics, cytogenetics, geographical distribution |
| title | Diet and feeding selectivity of a benthivorous fish in streams: responses to the effects of urbanization |
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