Ictiofauna e ecologia trofica de peixes em ambientes praiais da Ilha das Peças, complexo estuarino de Paranagua, Parana

Detalhes bibliográficos
Autor(a) principal: Stefanoni, Marina Freitas
Data de Publicação: 2008
Tipo de documento: Dissertação
Idioma: por
Título da fonte: Repositório Institucional da UFPR
Texto Completo: https://hdl.handle.net/1884/14562
Resumo: Orientador : Prof. Dr. Henry Louis Spach
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spelling Universidade Federal do Paraná. Setor de Ciências Biológicas. Programa de Pós-Graduação em ZoologiaSpach, Henry LouisStefanoni, Marina Freitas2022-11-24T13:30:56Z2022-11-24T13:30:56Z2008https://hdl.handle.net/1884/14562Orientador : Prof. Dr. Henry Louis SpachDissertaçao (mestrado) - Universidade Federal do Paraná, Setor de Ciencias Biológicas, Programa de Pós-Graduaçao em Zoologia. Defesa: Curitiba, 2008Inclui bibliografiaArea de concentraçao: ZoologiaThe study took place between 20005 and 2006, in three areas: Pontal do Sul, Barrancos and Shangrilá and the main aim was to evaluate discards production and the interaction of seabirds with fisheries discards on the Parana coast. The methods were based on three different focuses: (1) discards composition, through direct observations in field and manipulation of discards samples in laboratory referring to each area. (2) the use of those discards by seabirds on the shore line and at open sea were evaluated through weekly counts on the shore line and monthly counts on the open sea and (3) the reproduction of Larus dominicanus was evaluated during montly samples in the Archipelago of Currais during its breeding cycle. The discards composition was identified as 96 species of fish based on field samples and 70 species of fish based on laboratory samples, mainly in the form of whole fish. Extrapolating the value of discard produced by fisheries activities in the present area based on laboratory samples we obtained an annual discard production of 129.529.6 Kg. In relation to the interaction on the shore line, we counted nine species of birds using discards, with numeric prominence for Kelp gulls, Larus dominicanus,while on the open sea we observed eight species of birds, with Fregata magnificens and Sula leucogaster being the predominant species. Kleptoparasitism behaviour was observed mainly in intraspecific interactions on the shore line (78,69%), as on the open sea (71,92%). There was a tendency of higher levels of kleptoparasitism during the moratorium period, a situation where trawling activity is not permitted. The first indications of reproduction, was represented by pair flight and courtship, these were observed during May and June. Construction of the first nests, and the beginning of egg laying, occurred in July, with reproductive peak in September. We counted 45 nests distributed accross four areas, located in the periphery of the island, close to the water. In relation to weight, width and length we obtained mean values of 84,42mm±8,83 g, 49,30±1,78mm e 70,89±3,20mm respectively. During December the last indications of reproduction were observed, represented by completely feathered nestlings and beginning the first flights.143f. : il.application/pdfDisponível em formato digitalPeixes - Alimentação e raçõesPraias - Ecologia - Paranaguá (PR)Parque Nacional de Superaqui (PR)ZoologiaIctiofauna e ecologia trofica de peixes em ambientes praiais da Ilha das Peças, complexo estuarino de Paranagua, Paranainfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/masterThesisporreponame:Repositório Institucional da UFPRinstname:Universidade Federal do Paraná (UFPR)instacron:UFPRinfo:eu-repo/semantics/openAccessORIGINALSTEFANONI, MF 2008.pdfapplication/pdf1537027https://acervodigital.ufpr.br/bitstream/1884/14562/1/STEFANONI%2c%20MF%202008.pdf31f230953f770f5d9b25325bcf905cbfMD51open accessTEXTSTEFANONI, MF 2008.pdf.txtExtracted Texttext/plain322845https://acervodigital.ufpr.br/bitstream/1884/14562/2/STEFANONI%2c%20MF%202008.pdf.txt03afd2f212a80c1b91721b0809af8b13MD52open accessTHUMBNAILSTEFANONI, MF 2008.pdf.jpgGenerated Thumbnailimage/jpeg1149https://acervodigital.ufpr.br/bitstream/1884/14562/3/STEFANONI%2c%20MF%202008.pdf.jpgf99cef6290b4bdc09d5c4a1fde2d8de6MD53open access1884/145622022-11-24 10:30:56.518open accessoai:acervodigital.ufpr.br:1884/14562Repositório de PublicaçõesPUBhttp://acervodigital.ufpr.br/oai/requestopendoar:3082022-11-24T13:30:56Repositório Institucional da UFPR - Universidade Federal do Paraná (UFPR)false
dc.title.pt_BR.fl_str_mv Ictiofauna e ecologia trofica de peixes em ambientes praiais da Ilha das Peças, complexo estuarino de Paranagua, Parana
title Ictiofauna e ecologia trofica de peixes em ambientes praiais da Ilha das Peças, complexo estuarino de Paranagua, Parana
spellingShingle Ictiofauna e ecologia trofica de peixes em ambientes praiais da Ilha das Peças, complexo estuarino de Paranagua, Parana
Stefanoni, Marina Freitas
Peixes - Alimentação e rações
Praias - Ecologia - Paranaguá (PR)
Parque Nacional de Superaqui (PR)
Zoologia
title_short Ictiofauna e ecologia trofica de peixes em ambientes praiais da Ilha das Peças, complexo estuarino de Paranagua, Parana
title_full Ictiofauna e ecologia trofica de peixes em ambientes praiais da Ilha das Peças, complexo estuarino de Paranagua, Parana
title_fullStr Ictiofauna e ecologia trofica de peixes em ambientes praiais da Ilha das Peças, complexo estuarino de Paranagua, Parana
title_full_unstemmed Ictiofauna e ecologia trofica de peixes em ambientes praiais da Ilha das Peças, complexo estuarino de Paranagua, Parana
title_sort Ictiofauna e ecologia trofica de peixes em ambientes praiais da Ilha das Peças, complexo estuarino de Paranagua, Parana
author Stefanoni, Marina Freitas
author_facet Stefanoni, Marina Freitas
author_role author
dc.contributor.other.pt_BR.fl_str_mv Universidade Federal do Paraná. Setor de Ciências Biológicas. Programa de Pós-Graduação em Zoologia
dc.contributor.advisor1.fl_str_mv Spach, Henry Louis
dc.contributor.author.fl_str_mv Stefanoni, Marina Freitas
contributor_str_mv Spach, Henry Louis
dc.subject.por.fl_str_mv Peixes - Alimentação e rações
Praias - Ecologia - Paranaguá (PR)
Parque Nacional de Superaqui (PR)
Zoologia
topic Peixes - Alimentação e rações
Praias - Ecologia - Paranaguá (PR)
Parque Nacional de Superaqui (PR)
Zoologia
description Orientador : Prof. Dr. Henry Louis Spach
publishDate 2008
dc.date.issued.fl_str_mv 2008
dc.date.accessioned.fl_str_mv 2022-11-24T13:30:56Z
dc.date.available.fl_str_mv 2022-11-24T13:30:56Z
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