82 resultados para Tropidurus montanus


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Mode of access: Internet.

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"Overgedrukt uit De vrije Fries, IV, 1."

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Faunistical data of 29 species of Cydnidae are presented. Chilocoris montanus LIS, 1994 is new to the fauna of India, Fromundus pseudopacus LIS, 1994 to Thailand and Laos, Chilocoris assmuthi BREDDIN, 1904, Parachilocoris semialbidus (WALKER, 1867), Macroscytus tenasserimus LIS, 1991 and Pseudoscoparipes nilgiricus LIS, 1990 to Laos, Aethoscytus baloni (LIS, 1994), Aethus indicus (WESTWOOD, 1837) and Fromundus impunctatus LIS, 1994 to Vietnam, Aethus pseudindicus LIS, 1993 and Lactistes mediator (BREDDIN, 1909) to Nepal, Macroscytus aequalis (WALKER, 1867) to Pakistan and New Guinea. With 4 figures.

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The trophic ecology studies issues related to the diet of individuals within a community .The relation between the body size of the predator and the prey size, individual specialization and niche breadth are some of the issues that can be discussed by it .I collected the lizards using pitfall trap, glue and active collecting traps in a fragment of Caatinga. The most common species in this community were Tropidurus hispidus, T. semitaeniatus and Cnemidophorus ocellifer. The visits to the farm also relied on collecting invertebrates at each season to understand how the nutritional resources of lizards were presented in each one of them. I tried to answer some questions : 1) If there was a positive relation between body size of the predator and the size of prey of the community ; 2) If in different seasons the relation of body size of the predator and the maximum and/or minimum size of the prey would be positive ; 3) If species with different foraging strategies have positive relation on the size of the predatorprey relation; 4) If the seasonality would influence on the individual expertise of lizards community and more common species; 5) If the breadth of the niche would be influenced by seasonality ; 6) If more individuals with different morphology between them would present less similar diet. I found that there was indeed a positive relationship between size of prey and predator, but nonexistent related to the minimum size of prey; Among the seasons relative size of predators and prey was different for the maximum and minimum size, but was positively related only to the size of the maximum prey. And comparisons between different foraging strategies had the maximum and minimum line inclination greater than zero and different from each other; individual specialization was not influenced by seasonality and the niche breadth was wider in the dry season only to T. semitaeniatus. At last I didn't find a significant negative relationship between morphological dissimilarity and similarity of diet.

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