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Abstract:

Major causes of Turquoise-fronted Amazon's population decline include habitat destruction and capture for the pet trade. Deforestation and selective logging result in habitat loss. The extraction of chicks reduces the number of individuals and can reduce the number of available cavities for nesting. We evaluated the main threats that this parrot is facing in the Impenetrable region, Argentina. We estimated loss of cavities by deforestation, selective logging and poaching. We analyzed if chicks' removal and cavity repair affects the probability that a cavity is reoccupied. We estimated if chicks' removal affects nest survival. Deforestation and selective logging destroyed almost 20000 potential cavities per year. On average, chick's removal occurs in 486 nests every year. The probability of reoccupation was not affected by chick removal in those cases where the cavity was properly repaired. Most of nest exposed to removal had three (68%) or two (23%) chicks and in all cases were removed all except one chick per nest. In average 1.6 40-days old chicks were removed per nest. At 83% of cases the youngest chick was left at the nest. Nests subjected to extraction have a lower survival than non-extracted nests (73 vs. 93%).

Registro:

Documento: Artículo
Título:Major threats to Turquoise-fronted Amazon's conservation in the Impenetrable region, Argentina
Autor:Berkunsky, I.; Ruggera, R.A.; Aramburú, R.; Reboreda, J.C.
Filiación:Laboratorio de Ecología y Comportamiento Animal, Depto. Ecología, Genética y Evolución, Universidad de Buenos Aires, Piso 4, Pab. 2, Ciudad Universitaria, C1428EHA Buenos Aires, Argentina
Instituto de Ecología Regional, Universidad Nacional de La Plata, Argentina
División Zoología Vertebrados y Cátedra de Ecología de Poblaciones, Universidad Nacional de La Plata, Argentina
Palabras clave:Chaco; Conservation; Parrots; Poaching
Año:2012
Volumen:27
Número:1
Página de inicio:39
Página de fin:49
Título revista:Hornero
Título revista abreviado:Hornero
ISSN:00733407
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00733407_v27_n1_p39_Berkunsky

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Citas:

---------- APA ----------
Berkunsky, I., Ruggera, R.A., Aramburú, R. & Reboreda, J.C. (2012) . Major threats to Turquoise-fronted Amazon's conservation in the Impenetrable region, Argentina . Hornero, 27(1), 39-49.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00733407_v27_n1_p39_Berkunsky [ ]
---------- CHICAGO ----------
Berkunsky, I., Ruggera, R.A., Aramburú, R., Reboreda, J.C. "Major threats to Turquoise-fronted Amazon's conservation in the Impenetrable region, Argentina " . Hornero 27, no. 1 (2012) : 39-49.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00733407_v27_n1_p39_Berkunsky [ ]
---------- MLA ----------
Berkunsky, I., Ruggera, R.A., Aramburú, R., Reboreda, J.C. "Major threats to Turquoise-fronted Amazon's conservation in the Impenetrable region, Argentina " . Hornero, vol. 27, no. 1, 2012, pp. 39-49.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00733407_v27_n1_p39_Berkunsky [ ]
---------- VANCOUVER ----------
Berkunsky, I., Ruggera, R.A., Aramburú, R., Reboreda, J.C. Major threats to Turquoise-fronted Amazon's conservation in the Impenetrable region, Argentina . Hornero. 2012;27(1):39-49.
Available from: https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00733407_v27_n1_p39_Berkunsky [ ]