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 | Acesso ao texto completo restrito à biblioteca da Embrapa Amazônia Oriental. Para informações adicionais entre em contato com cpatu.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Amazônia Oriental. |
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Data corrente: |
20/01/2012 |
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Data da última atualização: |
11/11/2022 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
FERREIRA, A.; PAULA, F. R. de; FERRAZ, S. F. de B.; GERHARD, P.; KASHIWAQUI, E. A. L.; CYRINO, J. E. P.; MARTINELLI, L. A. |
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Afiliação: |
ANDERSON FERREIRA, CENA; FELIPE R. DE PAULA, USP/ESALQ; SILVIO F. DE BARROZ FERRAZ, USP/ESALQ; PEDRO GERHARD, CPATU; ELAINE A. L. KASHIWAQUI, UNIOESTE; JOSÉ E. P. CYRINO, USP/ESALQ; LUIZ A. MARTINELLI, CENA. |
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Título: |
Riparian coverage affects diets of characids in neotropical streams. |
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Ano de publicação: |
2012 |
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Fonte/Imprenta: |
Ecology of Freshwater Fish, v. 21, n. 1, p. 12-22, Jan. 2012. |
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DOI: |
10.1111/j.1600-0633.2011.00518.x |
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Idioma: |
Inglês |
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Conteúdo: |
Aquatic ecosystems are influenced by the surrounding terrestrial environment. This work studied the influence of vegetation of riparian zones on the feeding patterns of two nektonic characids, Astyanax paranae and Bryconamericus iheringii, in a basin surrounded by an agricultural area. Nine streams within the Corumbataí River basin (São Paulo State, Brazil) with varying proportions of adjacent riparian forest (RF) and pastures were set apart in three arbitrary categories: Riparian Forest (>90% RF), Mixed Coverage (banks covered by 30?60% RF; MC) and Pasture (<29% RF, PA); resident characids were sampled in the dry and rainy seasons and evaluated in regard to composition of diets. Astyanax paranae fed on allochthonous food sources in RF and MC, and on autochthonous food sources on PA streams; B. iheringii fed on autochthonous food sources in RF streams and in mixed resources (detritus and sediment) in PA streams. Selection of food source was related to, and altered by, stream channel structure and composition of substratum. Preservation and restoration of native riparian vegetation is key to preservation of resident characids in small streams of this river basin. |
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Palavras-Chave: |
Agroecossistema. |
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Thesagro: |
Peixe; Uso da Terra. |
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Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
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Marc: |
LEADER 01898naa a2200241 a 4500
001 1913125
005 2022-11-11
008 2012 bl uuuu u00u1 u #d
024 7 $a10.1111/j.1600-0633.2011.00518.x$2DOI
100 1 $aFERREIRA, A.
245 $aRiparian coverage affects diets of characids in neotropical streams.$h[electronic resource]
260 $c2012
520 $aAquatic ecosystems are influenced by the surrounding terrestrial environment. This work studied the influence of vegetation of riparian zones on the feeding patterns of two nektonic characids, Astyanax paranae and Bryconamericus iheringii, in a basin surrounded by an agricultural area. Nine streams within the Corumbataí River basin (São Paulo State, Brazil) with varying proportions of adjacent riparian forest (RF) and pastures were set apart in three arbitrary categories: Riparian Forest (>90% RF), Mixed Coverage (banks covered by 30?60% RF; MC) and Pasture (<29% RF, PA); resident characids were sampled in the dry and rainy seasons and evaluated in regard to composition of diets. Astyanax paranae fed on allochthonous food sources in RF and MC, and on autochthonous food sources on PA streams; B. iheringii fed on autochthonous food sources in RF streams and in mixed resources (detritus and sediment) in PA streams. Selection of food source was related to, and altered by, stream channel structure and composition of substratum. Preservation and restoration of native riparian vegetation is key to preservation of resident characids in small streams of this river basin.
650 $aPeixe
650 $aUso da Terra
653 $aAgroecossistema
700 1 $aPAULA, F. R. de
700 1 $aFERRAZ, S. F. de B.
700 1 $aGERHARD, P.
700 1 $aKASHIWAQUI, E. A. L.
700 1 $aCYRINO, J. E. P.
700 1 $aMARTINELLI, L. A.
773 $tEcology of Freshwater Fish$gv. 21, n. 1, p. 12-22, Jan. 2012.
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