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Food Preference of Cavia magna (Rodentia: Caviidae) on a Subtropical Island in Southern Brazil BABT
Veiga,Kelen Rodrigues da; Hefler,Sônia Marisa; Colares,Elton Pinto; Colares,Ioni Gonçalves.
Abstract This study aimed to link the plants consumed by Cavia magna and their availability in the environment, (Ilha dos Marinheiros) determining its food preference. In the environment, 96 species were recorded. Twenty-four plant species were identified in the fecal samples. There wasn’t significant difference in the composition of plant species among seasons, although the variation was significant between the island’s northern and southern areas concerning the fecal samples. Mantel test’s results supported that the availability of vegetation has significant influence on the species consumed. Being that the most consumed species (present on the feces) were distant to their distribution areas, we propose that C. magna of Ilha dos Marinheiros actively...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Caviidae; Estuary; Herbivory; Rodent; Vegetation.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132019000100418
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Surviving probability indicators of landing juvenile magellanic penguins arriving along the southern Brazilian coast BABT
Rodrigues,Sandra Carvalho; Adornes,Andréa Corrado; Santos Filho,Euclydes Antônio dos; Silva Filho,Rodolfo Pinho; Colares,Elton Pinto.
The aim of this work was to monitor and study the hematocrit and weight of juvenile penguins, with and without oil cover, found alive along the southern coast of Brazil, after capture, as well as before eventual death or release. Released juvenile penguins showed higher weight and hematocrit (3.65 ± 0.06 kg and 44.63 ± 0.29%, respectively) than those that died (2.88 ± 0.08 kg and 34.42 ± 1.70%, respectively). Penguins with higher hematocrit and weight after capture had higher mean weight gain than their counterparts with smaller hematocrit and weight after the capture. Besides, juveniles with higher hematocrit and weight after the capture had higher survival rates, independent of the presence or absence of oil. The results suggested that juveniles covered...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Disease; Survival; Oil; Hematocrit; Body weight; Spheniscus magellanicus.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132010000200021
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