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Method employed to study the diet of anuran amphibians larvae

Method employed to study the diet of anuran amphibians larvae Method employed to study the diet of anuran amphibians larvae Ivana Pavignano Via San Carlo 8 - 10010 Piverone (Torino) - Italy. Faeces examination plays an important role in studies on vertebrate diets (Hairsten, 1964; Shoener, 1974). The study of diet composition in amphibians, adults (Ferri and Schiavo, 1988) and larvae (Diaz-Paniagua, 1985), can be of a special importance for the understanding of their ecology and evolution. Anuran tadpoles are generally phytophagous: their diet is mainly composed of algae, phanerogams and sometimes even detritus (Diaz-Paniagual 1985). Some differences exist, however, among species, possibly as a consequence of differences in habitat or microhabitat selection (Dfaz-Paniagua, 1987). Food availability exerts an important influence on tadpoles. The spatial distribution of food in a patchy environment can regulate relative growth rates (Seale and Wassersug, 1979; Seale and Beckvar, 1980; Wassersug, 1975) and is relevant to determine the final structures of adult com- munities. The diet of anuran larvae may be studied by microscopical examination of their in- testinal content without intestine removal. Fresh-captured larvae are put in separate Petri capsules, with a little of tap water (for smaller tadpoles Petri capsules of 5 cm diameter with 10 ml of water are used; for http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Amphibia-Reptilia Brill

Method employed to study the diet of anuran amphibians larvae

Amphibia-Reptilia , Volume 10 (4): 3 – Jan 1, 1989

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Publisher
Brill
Copyright
Copyright © Koninklijke Brill NV, Leiden, The Netherlands
ISSN
0173-5373
eISSN
1568-5381
DOI
10.1163/156853889x00098
Publisher site
See Article on Publisher Site

Abstract

Method employed to study the diet of anuran amphibians larvae Ivana Pavignano Via San Carlo 8 - 10010 Piverone (Torino) - Italy. Faeces examination plays an important role in studies on vertebrate diets (Hairsten, 1964; Shoener, 1974). The study of diet composition in amphibians, adults (Ferri and Schiavo, 1988) and larvae (Diaz-Paniagua, 1985), can be of a special importance for the understanding of their ecology and evolution. Anuran tadpoles are generally phytophagous: their diet is mainly composed of algae, phanerogams and sometimes even detritus (Diaz-Paniagual 1985). Some differences exist, however, among species, possibly as a consequence of differences in habitat or microhabitat selection (Dfaz-Paniagua, 1987). Food availability exerts an important influence on tadpoles. The spatial distribution of food in a patchy environment can regulate relative growth rates (Seale and Wassersug, 1979; Seale and Beckvar, 1980; Wassersug, 1975) and is relevant to determine the final structures of adult com- munities. The diet of anuran larvae may be studied by microscopical examination of their in- testinal content without intestine removal. Fresh-captured larvae are put in separate Petri capsules, with a little of tap water (for smaller tadpoles Petri capsules of 5 cm diameter with 10 ml of water are used; for

Journal

Amphibia-ReptiliaBrill

Published: Jan 1, 1989

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