Diet of Lontra longicaudis (Olfers, 1818) (Carnivora: Mustelidae) in three limnic systems in Southern Rio Grande do Sul State, Brazil
| Autor: | Rafael Almeida Porciuncula, Luiz Guilherme Schultz Artioli, Fernando Marques Quintela |
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| Jazyk: | angličtina |
| Rok vydání: | 2012 |
| Předmět: |
geography
Multidisciplinary geography.geographical_feature_category biology Coastal plain Ecology pluvial channel lcsh:Biotechnology Mustelidae anthropogenic shallow lakes coastal stream biology.organism_classification Crustacean Swamp neotropical otter Fishery Pluvial lcsh:TP248.13-248.65 Lontra Synbranchus marmoratus Channel (geography) |
| Zdroj: | Brazilian Archives of Biology and Technology, Volume: 55, Issue: 6, Pages: 877-886, Published: DEC 2012 Brazilian Archives of Biology and Technology, Vol 55, Iss 6, Pp 877-886 (2012) Brazilian Archives of Biology and Technology v.55 n.6 2012 Brazilian Archives of Biology and Technology Instituto de Tecnologia do Paraná (Tecpar) instacron:TECPAR |
| Popis: | The aim of the present work was to study the diet of Lontra longicaudis in three limnic systems (anthropogenic shallow lakes, pluvial channel and coastal stream) in Rio Grande do Sul State coastal plain, southern Brazil. Fishes were the most consumed item in all the three systems, being Mugilidae the most representative family in the pluvial channel and coastal stream and Cichlidae in the shallow lakes. Other identified items were mollusks, insects, crustaceans, amphibians, reptiles, birds and mammals and vegetal fragments. The high frequency of birds in the shallow lakes was remarkable, considering the lower frequencies of this item in previous investigations on the species diet. There was a high frequency of swamp eels (Synbranchidae, Synbranchus marmoratus) in the pluvial channel and shallow lakes, which were usually absent or found in low frequencies in previous studies. |
| Databáze: | OpenAIRE |
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