Aporte al conocimiento de la biología alimentaria de la Pollona Negra Gallinula chloropus en el Paraná medio. Argentina

Rafael C. Lajmanovich; Adolfo H. Beltzer

doi:10.56178/eh.v13i4.1050

Vol. 13 No. 4 (1993), Short Communications

Vol. 13 No. 4 (1993)

Contribution to the Understanding of the Feeding Ecology of the Common moorhen (Gallinula chloropus) in the Middle Paraná River, Argentina

Short Communications

Published 01-09-1993

Rafael C. Lajmanovich⁺⁻
Adolfo H. Beltzer⁺⁻

Rafael C. Lajmanovich

Becario de la Universidad Nacional del Litoral (U.N.L.), pasante del INALI

Adolfo H. Beltzer

Investigador del CONICET. Instituto Nacional de Limnología (INALI). José Maciá 1933 - 3016 Santo Tomé (Santa Fe, Argentina)

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Keywords

Gallinula chloropus galeata
Common moorhen
Food Biology
Paraná Medio
Opportunistic behavior

How to Cite

Lajmanovich, Rafael C., and Adolfo H. Beltzer. 1993. “Contribution to the Understanding of the Feeding Ecology of the Common Moorhen (Gallinula Chloropus) in the Middle Paraná River, Argentina”. El Hornero 13 (4): 289-91. https://doi.org/10.56178/eh.v13i4.1050.

Abstract

The feeding ecology of Gallinula chloropus galeata was studied collecting seasonal samples (spring, summer and winter). Twenty eight stomachs were analyzed. In each one the volume of each taxonomic entity was registered. The Weighted Resultant Index (Mohan and Sankaran 1988) and Seasonal amplitude of the niche (Levins 1968) were calculated. This study revealed for Gallinula chloropus galeata an opportunistic behavior. The trophic breath of the niche did not show seasonal variations.

PDF (Spanish)

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