Distribución, abundancia y aspectos de la biología reproductiva del Cormorán Cuello Negro (Phalacrocorax magellanicus) en la provincia del Chubut, Argentina

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The Rock Shag (Phalacrocorax magellanicus) is an endemic species from the Patagonian coast. We estimated a total of 1,792 breeding pairs in 27 colonies along the Province of Chubut coast. The number of colonies and relative abundance of Rock Shags increased lo the south. Aproximately 90% of colonies...

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Autores principales: Punta, Gabriel, Saravia, José
Lenguaje:Español
Publicado: 1993
Acceso en línea:https://hdl.handle.net/20.500.12110/hornero_v013_n04_p295
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
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spelling todo:hornero_v013_n04_p2952023-10-03T13:47:04Z Distribución, abundancia y aspectos de la biología reproductiva del Cormorán Cuello Negro (Phalacrocorax magellanicus) en la provincia del Chubut, Argentina Distribution, Abundance, and aspects of the breeding biology of the Rock Shag (Phalacrocorax magellanicus) in the Chubut Province, Argentina Punta, Gabriel Saravia, José The Rock Shag (Phalacrocorax magellanicus) is an endemic species from the Patagonian coast. We estimated a total of 1,792 breeding pairs in 27 colonies along the Province of Chubut coast. The number of colonies and relative abundance of Rock Shags increased lo the south. Aproximately 90% of colonies were located on rocky slopes close to the water, at an average distance from the high tide line of 13.4 m (s.d. = 9.6) At Islas Isabel and Galiano, nest building started between the second and third weeks of October, while the eggs were laid between the first and third weeks of Decernber in both 1989 and 1990. During 1990, average clutch size was 2.3 (s.d. = 1.1). 1993-09 PDF Español info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc-sa/2.5/ar https://hdl.handle.net/20.500.12110/hornero_v013_n04_p295
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
language Español
orig_language_str_mv Español
description The Rock Shag (Phalacrocorax magellanicus) is an endemic species from the Patagonian coast. We estimated a total of 1,792 breeding pairs in 27 colonies along the Province of Chubut coast. The number of colonies and relative abundance of Rock Shags increased lo the south. Aproximately 90% of colonies were located on rocky slopes close to the water, at an average distance from the high tide line of 13.4 m (s.d. = 9.6) At Islas Isabel and Galiano, nest building started between the second and third weeks of October, while the eggs were laid between the first and third weeks of Decernber in both 1989 and 1990. During 1990, average clutch size was 2.3 (s.d. = 1.1).
author Punta, Gabriel
Saravia, José
spellingShingle Punta, Gabriel
Saravia, José
Distribución, abundancia y aspectos de la biología reproductiva del Cormorán Cuello Negro (Phalacrocorax magellanicus) en la provincia del Chubut, Argentina
author_facet Punta, Gabriel
Saravia, José
author_sort Punta, Gabriel
title Distribución, abundancia y aspectos de la biología reproductiva del Cormorán Cuello Negro (Phalacrocorax magellanicus) en la provincia del Chubut, Argentina
title_short Distribución, abundancia y aspectos de la biología reproductiva del Cormorán Cuello Negro (Phalacrocorax magellanicus) en la provincia del Chubut, Argentina
title_full Distribución, abundancia y aspectos de la biología reproductiva del Cormorán Cuello Negro (Phalacrocorax magellanicus) en la provincia del Chubut, Argentina
title_fullStr Distribución, abundancia y aspectos de la biología reproductiva del Cormorán Cuello Negro (Phalacrocorax magellanicus) en la provincia del Chubut, Argentina
title_full_unstemmed Distribución, abundancia y aspectos de la biología reproductiva del Cormorán Cuello Negro (Phalacrocorax magellanicus) en la provincia del Chubut, Argentina
title_sort distribución, abundancia y aspectos de la biología reproductiva del cormorán cuello negro (phalacrocorax magellanicus) en la provincia del chubut, argentina
publishDate 1993
url https://hdl.handle.net/20.500.12110/hornero_v013_n04_p295
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AT puntagabriel distributionabundanceandaspectsofthebreedingbiologyoftherockshagphalacrocoraxmagellanicusinthechubutprovinceargentina
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