Dissertação

Dieta de Podocnemis erythrocephala (Testudines: Podocnemididae) no Parque Nacional do Jaú, Amazonas, Brasil.

The diet of Podocnemis erythrocephala was studied during the flooding of the Jaú River in the National Park of Jaú, Amazonas, Brazil. Stomach contents of 42 adults (17 males and 25 females) were collected using stomach flushing technique. I analyzed the frequency of occurrence, volume percentage and...

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Autor principal: Santos Junior, Ladislau Brito
Grau: Dissertação
Idioma: por
Publicado em: Instituto Nacional de Pesquisas da Amazônia - INPA 2020
Assuntos:
Quelônios
Irapuca
Acesso em linha: https://repositorio.inpa.gov.br/handle/1/11288
http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4737025E1
id oai:repositorio:1-11288
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spelling oai:repositorio:1-11288 Dieta de Podocnemis erythrocephala (Testudines: Podocnemididae) no Parque Nacional do Jaú, Amazonas, Brasil. Santos Junior, Ladislau Brito Vogt, Richard Carl Quelônios Irapuca The diet of Podocnemis erythrocephala was studied during the flooding of the Jaú River in the National Park of Jaú, Amazonas, Brazil. Stomach contents of 42 adults (17 males and 25 females) were collected using stomach flushing technique. I analyzed the frequency of occurrence, volume percentage and index of relative importance. The similarity of the diet between males and females was measured using the simplified Morisita index. To asses differences in percent volume of animal matter ingested by males and females the ANOVA test was applied. Plants occurred in all samples and represented 96.79% of the total volume in females and 91.54% of volume in males. The main plant families were Fabaceae, Simaroubaceae, Sapotaceae, Loranthaceae, Lentibulariaceae and Poaceae. Fruits and seeds were the most represented items in the diet of irapucas, present in more than 96% of the samples representing 47.73% of the total volume. Animal matter occurred in 64.68% of males and 76% of females, though the difference in percent volume was not significant. The similarity of the diets of males and females was very high: 0.87. P. erythrocephala is an herbivorous freshwater turtle that feeds mainly on fruits and seeds of the flooded forest. The plant families most representative in the diet were also the most abundant at the Jaú River and the Negro River. There are no apparent differences in the diet of males and females. The detailed information about the diet will be very useful for the conservation and management of this species of freshwater turtle. Estudou-se a dieta de Podocnemis erythrocephala durante o período hidrológico da cheia do rio Jaú no Parque Nacional do Jaú, Amazonas, Brasil. Coletou-se o conteúdo estomacal de 42 indivíduos adultos (17 machos e 25 fêmeas) por meio de lavagem estomacal. Analisou-se a freqüência de ocorrência, volume percentual e índice de relativa importância. A similaridade da dieta de machos e fêmeas foi medida utilizando-se o índice simplificado de Morisita. Para analisar se as diferenças no consumo de material animal e vegetal eram significativas entre machos e fêmeas realizou-se uma ANOVA. Material vegetal ocorreu em todas as amostras e representou 96,79% do volume em fêmeas e 91,54% do volume nos machos. As principais famílias vegetais foram Fabaceae, Simaroubaceae, Sapotaceae, Loranthaceae, Lentibulariacea e Poaceae. Frutos e sementes foram os itens mais representativos na dieta das irapucas, presentes em mais de 96% das amostras e com 47,73% do volume total. Matéria animal ocorreu em 64,68% dos machos e em 76% das fêmeas, entretanto a diferença de volume percentual não foi significativa. A similaridade das dietas de machos e fêmeas foi muito alta: 0,87. P. erythrocephala é uma espécie de quelônio herbívora que se alimenta principalmente de frutos e sementes da floresta inundada na cheia. As famílias de plantas presentes da dieta foram também as mais abundantes nos rios Jaú e Negro. Não existem diferenças aparentes na dieta de machos e fêmeas. A informação detalhada da dieta será de grande valia para manejo e conservação dessa espécie de quelônio de água doce. 2020-02-13T18:22:01Z 2020-02-13T18:22:01Z 2009-08-19 Dissertação https://repositorio.inpa.gov.br/handle/1/11288 http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4737025E1 por Attribution-NonCommercial-NoDerivs 3.0 Brazil http://creativecommons.org/licenses/by-nc-nd/3.0/br/ application/pdf Instituto Nacional de Pesquisas da Amazônia - INPA Biologia de Água Doce e Pesca Interior - BADPI
institution Instituto Nacional de Pesquisas da Amazônia - Repositório Institucional
collection INPA-RI
language por
topic Quelônios
Irapuca
spellingShingle Quelônios
Irapuca
Santos Junior, Ladislau Brito
Dieta de Podocnemis erythrocephala (Testudines: Podocnemididae) no Parque Nacional do Jaú, Amazonas, Brasil.
topic_facet Quelônios
Irapuca
description The diet of Podocnemis erythrocephala was studied during the flooding of the Jaú River in the National Park of Jaú, Amazonas, Brazil. Stomach contents of 42 adults (17 males and 25 females) were collected using stomach flushing technique. I analyzed the frequency of occurrence, volume percentage and index of relative importance. The similarity of the diet between males and females was measured using the simplified Morisita index. To asses differences in percent volume of animal matter ingested by males and females the ANOVA test was applied. Plants occurred in all samples and represented 96.79% of the total volume in females and 91.54% of volume in males. The main plant families were Fabaceae, Simaroubaceae, Sapotaceae, Loranthaceae, Lentibulariaceae and Poaceae. Fruits and seeds were the most represented items in the diet of irapucas, present in more than 96% of the samples representing 47.73% of the total volume. Animal matter occurred in 64.68% of males and 76% of females, though the difference in percent volume was not significant. The similarity of the diets of males and females was very high: 0.87. P. erythrocephala is an herbivorous freshwater turtle that feeds mainly on fruits and seeds of the flooded forest. The plant families most representative in the diet were also the most abundant at the Jaú River and the Negro River. There are no apparent differences in the diet of males and females. The detailed information about the diet will be very useful for the conservation and management of this species of freshwater turtle.
author_additional Vogt, Richard Carl
author_additionalStr Vogt, Richard Carl
format Dissertação
author Santos Junior, Ladislau Brito
title Dieta de Podocnemis erythrocephala (Testudines: Podocnemididae) no Parque Nacional do Jaú, Amazonas, Brasil.
title_short Dieta de Podocnemis erythrocephala (Testudines: Podocnemididae) no Parque Nacional do Jaú, Amazonas, Brasil.
title_full Dieta de Podocnemis erythrocephala (Testudines: Podocnemididae) no Parque Nacional do Jaú, Amazonas, Brasil.
title_fullStr Dieta de Podocnemis erythrocephala (Testudines: Podocnemididae) no Parque Nacional do Jaú, Amazonas, Brasil.
title_full_unstemmed Dieta de Podocnemis erythrocephala (Testudines: Podocnemididae) no Parque Nacional do Jaú, Amazonas, Brasil.
title_sort dieta de podocnemis erythrocephala (testudines: podocnemididae) no parque nacional do jaú, amazonas, brasil.
publisher Instituto Nacional de Pesquisas da Amazônia - INPA
publishDate 2020
url https://repositorio.inpa.gov.br/handle/1/11288
http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4737025E1
_version_ 1787143879707852800
score 11.755432

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