Distribución, abundancia y aspectos de la biología reproductiva del Cormorán Cuello Negro (Phalacrocorax magellanicus) en la provincia del Chubut, Argentina
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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Aves Argentinas. Asociación Ornitológica del Plata
1993
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Acceso en línea: | https://hdl.handle.net/20.500.12110/hornero_v013_n04_p295 |
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hornero:hornero_v013_n04_p2952023-09-08T19:04:44Z 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 Hornero (en línea) 1993;04(013):295-298 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). Aves Argentinas. Asociación Ornitológica del Plata 1993-09 info:ar-repo/semantics/artículo info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf spa 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 |
spa |
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). |
format |
Artículo Artículo publishedVersion |
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 |
publisher |
Aves Argentinas. Asociación Ornitológica del Plata |
publishDate |
1993 |
url |
https://hdl.handle.net/20.500.12110/hornero_v013_n04_p295 |
work_keys_str_mv |
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