Descripción
This resource contains satellite-tracked locations obtained through Argos system from juveniles of southern elephant seal of Península Valdés, Argentina, during the pelagic phase in the South Atlantic and South Pacific oceans. The dataset encompasses the satellite positions of tags deployed on 6 males and 7 females in 2004 and 2005 winter haul out (July-August), and 18 males and 7 females in 2003, 2005 to 2007 summer haul out (December-January). A filter was applied to delete unrealistic locations.
Registros
Los datos en este recurso de evento de muestreo han sido publicados como Archivo Darwin Core(DwC-A), el cual es un formato estándar para compartir datos de biodiversidad como un conjunto de una o más tablas de datos. La tabla de datos del core contiene 19.242 registros.
Este IPT archiva los datos y, por lo tanto, sirve como repositorio de datos. Los datos y los metadatos del recurso están disponibles para su descarga en la sección descargas. La tabla versiones enumera otras versiones del recurso que se han puesto a disposición del público y permite seguir los cambios realizados en el recurso a lo largo del tiempo.
Versiones
La siguiente tabla muestra sólo las versiones publicadas del recurso que son de acceso público.
¿Cómo referenciar?
Los usuarios deben citar este trabajo de la siguiente manera:
Lewis M, Campagna C (2016): Records at sea of juveniles southern elephant seals (Mirounga leonina) from Península Valdés, Argentina. v1.0. ArOBIS Centro Nacional Patagónico. Dataset/Samplingevent. http://arobis.cenpat-conicet.gob.ar:8081/resource?r=mleonina_juv&v=1.0
Derechos
Los usuarios deben respetar los siguientes derechos de uso:
El publicador y propietario de los derechos de este trabajo es ArOBIS Centro Nacional Patagónico. Esta obra está bajo una licencia Creative Commons de Atribución/Reconocimiento-NoComercial (CC-BY-NC 4.0).
Registro GBIF
Este recurso ha sido registrado en GBIF con el siguiente UUID: 41a45e3f-e1c6-4f8e-9463-26f41620e491. ArOBIS Centro Nacional Patagónico publica este recurso y está registrado en GBIF como un publicador de datos avalado por Ocean Biodiversity Information System.
Palabras clave
Samplingevent; Southern elephant seal; Juveniles; satellite tracking; SW Atlantic Ocean; South Pacific Ocean; Patagonia; locations at sea
Contactos
- Proveedor De Los Metadatos ●
- Originador
- Researcher
- Bv. Almirante Brown 2915
- +54 280 4883184 (int. 1242)
- Proveedor De Los Metadatos ●
- Punto De Contacto
- Professional supporting to research
- Bv. Almirante Brown 2915
- +54 280 4883184 (int. 1202)
- Programador
- Coordinator of the Information Management Unit
- Bv. Almirante Brown 2915
- +54 280 4883184 (int. 1260)
Cobertura geográfica
The geographic coverage includes the Patagonian shelf, from the edge of the Patagonian shelf and to the Argentine Basin in the SW Atlantic Ocean, and South Pacific area. Mixed subtropical-subpolar waters characterize five oceanographic regimes in terms of water masses, currents and productivity. 1) Open continental shelf waters of subantarctic origin. 2) Shelf break front a narrow transition region between subpolar (Malvinas/Falkland Current) and shelf waters. 3) Subtropical waters carried by the Brazil Current collide with the cold-fresh subpolar waters of the Malvinas Current. It is characterized by enhanced meridional gradients of sea surface temperature and salinity, and its location has high seasonal and interannual variability. 4) Subpolar characterized by low salinity, cold temperatures and high concentrations of nutrients. 5) Polar with low temperature (<4 °C) and relatively high nutrient concentration waters derived from the Antarctic Circumpolar Current.
| Coordenadas límite | Latitud Mínima Longitud Mínima [-58,75, -81,68], Latitud Máxima Longitud Máxima [-34,52, -27,86] |
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Cobertura taxonómica
The resource includes a unique specie. Scientific Name: Mirounga leonina (Linnaeus, 1758) Common Name (s): Southern Elephant Seal, South Atlantic Elephant-seal, Southern Elephant-seal (English). Eléphant De Mer Austral, Eléphant De Mer Du Sud (French). Elefante Marino Del Sur (Spanish)
| Especie | Mirounga leonina (Southern elephant seal) |
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Cobertura temporal
| Fecha Inicial / Fecha Final | 2003-11-20 / 2004-02-01 |
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| Fecha Inicial / Fecha Final | 2004-07-12 / 2004-12-02 |
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| Fecha Inicial / Fecha Final | 2005-07-26 / 2006-08-02 |
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| Fecha Inicial / Fecha Final | 2006-12-28 / 2007-10-17 |
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Métodos de muestreo
Satellite tags (SPOT4/SPOT5, Wildlife Computers, Redmond, Washington, http://www.wildlifecomputers.com) were deployed on juveniles southern elephant seals, during haul out at Península Valdés, Patagonia, Argentina. Tags were configured to send information through Argos System as soon as the animals entered the water.
| Área de Estudio | Records coverage the positions at sea during the foraging pelagic trip that includes the Patagonian shelf, from the edge of the Patagonian shelf and to the Argentine Basin in the SW Atlantic Ocean, and South Pacific area. Most of the records of each animal are one trip from and to Peninula Valdes. Each location was provided by the Argos System (http://www.cls.fr) and the frequency depended of the behavior of elephant seals at sea and their time surface intervals. |
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| Control de Calidad | The behavior of elephant seals at sea and their short surface intervals precludes high accuracy with position fixes. An filter was applied to reject records that would require a travel rate greater than 2.8 m/s (10 km/h). |
Descripción de la metodología paso a paso:
- Instruments (Wildlife Computers, Redmond, Washington; instrument description at: http://www.wildlifecomputers.com.) were glued directly on the fur of the head using a 10-min setting epoxy resin (Campagna et al., 1999). Anesthesia protocols to deploy and recover instruments were described in Campagna et al. (1995, 1998, 1999). Tags were configured to send information as soon as the animals entered the water, 24 h per day with repetition rates of 45±6 s in 2003-2004 and 40±6 s in 2005-2006. Locations were received daily via e-mail; Argos provide the estimated accuracy of each location, however, a filter was applied to exclude locations that would require an unrealistic travel rate.
Referencias bibliográficas
- Campagna, C.; Piola, A.R.;Marin, M.R.; Lewis, M.; Fernández, T. 2006. Southern elephant seal trajectories, fronts and eddies in the Brazil/Malvinas Confluence, Deep Sea Research Part I Oceanographic Research Papers 53(12):1907-1924, December 2006. doi:10.1016/j.dsr.2006.08.015
- Campagna, C.; Piola, A.R.; Marin M.R.; Lewis, M.N.; Zajaczkovski, U.; Fernández, T. 2007. Deep divers in shallow seas: southern elephant seals on the Patagonian Shelf. Deep-Sea Research I 54:1792–1814. doi:10.1016/j.dsr.2007.06.006
- Campagna, C.; Fedak, M.; Lewis, M.; Thompson, D.; Trathan, P.; Staniland, I.; Wilson, R.; Marín, M.R.; Falabella, V. 2009. Pinípedos IN Atlas del Mar Patagónico. Especies y Espacios Lugar: Buenos Aires; Año: 2009; p. 202 – 237. Online: http://www.atlas-marpatagonico.org
- Eder, E.; Lewis, M.; Campagna, C.; Koch, P. 2010. Evidence of demersal foraging from stable isotope analysis of juvenile elephant seals from Patagonia. Marine Mammal Science, 26 (2), 430-442. DOI: 10.1111/j.1748-7692.2009.00347.x
- Eder, E.B., Lewis, M.N.; Marín, M.R.; Campagna, C. 2011. On- and off-shelf diving effort of juvenile elephant seals from Península Valdés determined by light loggers. Journal of Mammalogy 92(4): 811-818. DOI: 10.1644/10-MAMM-A-292.1
- Lewis, M.; Campagna, C. 2007. Mamíferos Marinos IN Atlas de Sensibilidad Ambiental de la Costa y el Mar Argentino, D. Boltovskoy (ed.). Secretaría de Ambiente y Desarrollo Sustentable de la Nación. Buenos Aires.
- Campanga, C.; Lewis, M. 2008. Mamíferos Marinos IN Foro para la Conservación del Mar Patagónico y Áreas de Influencia. 2008. Estado de conservación del Mar Patagónico y áreas de influencia. Puerto Madryn, Argentina, Edición del Foro. Online: www.marpatagonico.org, http://www.marpatagonico.org/libro/articulo.php?id=lewis-campagna-mamiferos-marinos
Metadatos adicionales
marine, harvested by iOBIS
| Identificadores alternativos | http://arobis.cenpat-conicet.gob.ar:8081/resource?r=mleonina_juv |
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