Pollution and physiological variability in gentoo penguins at two rookeries with different levels of human visitation
Human activity and specifically tourism has been increasing in Antarctica over the last few years. Few studies have examined the indirect effects of human visits on Antarctic penguin rookeries. This work aims to study the differences between a highly visited (Hannah Point) and a rarely visited (Devi...
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| Autores principales: | , , , , , , , , , , , |
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| Formato: | Articulo |
| Lenguaje: | Inglés |
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2013
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| Acceso en línea: | http://sedici.unlp.edu.ar/handle/10915/125926 |
| Aporte de: |
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I19-R120-10915-125926 |
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| record_format |
dspace |
| institution |
Universidad Nacional de La Plata |
| institution_str |
I-19 |
| repository_str |
R-120 |
| collection |
SEDICI (UNLP) |
| language |
Inglés |
| topic |
Ciencias Naturales Veterinaria Antarctic penguins genotoxic damage immune response pollution stress |
| spellingShingle |
Ciencias Naturales Veterinaria Antarctic penguins genotoxic damage immune response pollution stress Barbosa, Andrés Mas, Eva de Benzal, Jesús Diaz, Julia Inés Motas, Miguel Jerez, Silvia Pertierra, Luis R. Benayas, Javier Justel, Ana Lauzurica, Pilar García Peña, Francisco Javier Serrano, Tania Pollution and physiological variability in gentoo penguins at two rookeries with different levels of human visitation |
| topic_facet |
Ciencias Naturales Veterinaria Antarctic penguins genotoxic damage immune response pollution stress |
| description |
Human activity and specifically tourism has been increasing in Antarctica over the last few years. Few studies have examined the indirect effects of human visits on Antarctic penguin rookeries. This work aims to study the differences between a highly visited (Hannah Point) and a rarely visited (Devil's Point, Byers Peninsula) gentoo penguin rookery on Livingston Island. Our results suggest that potential indirect effects of human impact are observed in gentoo penguins at Hannah Point, a colony heavily visited by tourists. Penguins at Hannah Point showed a higher presence of heavy metals such as Pb and Ni and a higher number of erythrocytic nuclear abnormalities than penguins at Devil's Point. Immunological parameters showed different results depending on whether we consider the cellular response -the number of lymphocytes being higher in penguins from Hannah Point- or the humoral response -the level of immunoglobulins being higher in penguins from Devil's Point. Measurements of corticosterone levels in feathers and heterophil/lymphocyte (H/L) ratio in blood showed lower levels in the heavily visited rookery than in the rarely visited rookery. Finally, we did not detect <i>Campylobacter jejuni</i>, a bacteria potentially transmitted by humans in either of the populations and we did not find any difference in the prevalence of <i>Campylobacter lari</i> between the populations. |
| format |
Articulo Articulo |
| author |
Barbosa, Andrés Mas, Eva de Benzal, Jesús Diaz, Julia Inés Motas, Miguel Jerez, Silvia Pertierra, Luis R. Benayas, Javier Justel, Ana Lauzurica, Pilar García Peña, Francisco Javier Serrano, Tania |
| author_facet |
Barbosa, Andrés Mas, Eva de Benzal, Jesús Diaz, Julia Inés Motas, Miguel Jerez, Silvia Pertierra, Luis R. Benayas, Javier Justel, Ana Lauzurica, Pilar García Peña, Francisco Javier Serrano, Tania |
| author_sort |
Barbosa, Andrés |
| title |
Pollution and physiological variability in gentoo penguins at two rookeries with different levels of human visitation |
| title_short |
Pollution and physiological variability in gentoo penguins at two rookeries with different levels of human visitation |
| title_full |
Pollution and physiological variability in gentoo penguins at two rookeries with different levels of human visitation |
| title_fullStr |
Pollution and physiological variability in gentoo penguins at two rookeries with different levels of human visitation |
| title_full_unstemmed |
Pollution and physiological variability in gentoo penguins at two rookeries with different levels of human visitation |
| title_sort |
pollution and physiological variability in gentoo penguins at two rookeries with different levels of human visitation |
| publishDate |
2013 |
| url |
http://sedici.unlp.edu.ar/handle/10915/125926 |
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Repositorios |
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