Descripción
Original provider: Sea Mammal Research Unit, University of St. Andrews Dataset credits: Sea Mammal Research Unit, University of St. Andrews Abstract: The European Union (EU) Habitats Directive requires Member States to monitor and maintain at favourable conservation status those species identified to be in need of protection, including all cetaceans. In July 2005 we surveyed the entire EU Atlantic continental shelf to generate robust estimates of abundance for harbour porpoise and other cetacean species. The survey used line transect sampling methods and purpose built data collection equipment designed to minimise bias in estimates of abundance. Shipboard transects covered 19,725 km in sea conditions <= Beaufort 4 in an area of 1,005,743 km2. Aerial transects covered 15,802 km in good/moderate conditions (<= Beaufort 3) in an area of 364,371 km2. Thirteen cetacean species were recorded; abundance was estimated for harbour porpoise (375,358; CV = 0.197), bottlenose dolphin (16,485; CV = 0.422), white-beaked dolphin (16,536; CV = 0.303), short-beaked common dolphin (56,221; CV = 0.234) and minke whale (18,958; CV = 0.347). Abundance in 2005 was similar to that estimated in July 1994 for harbour porpoise, white-beaked dolphin and minke whale in a comparable area. However, model-based density surfaces showed a marked difference in harbour porpoise distribution between 1994 and 2005. Our results allow EU Member States to discharge their responsibilities under the Habitats Directive and inform other international organisations concerning the assessment of conservation status of cetaceans and the impact of bycatch at a large spatial scale. The lack of evidence for a change in harbour porpoise abundance in EU waters as a whole does not exclude the possibility of an impact of bycatch in some areas. Monitoring bycatch and estimation of abundance continue to be essential.
Registros
Los datos en este recurso de registros biológicos 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 1.010 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:
Lacey, C. 2014. SCANS II cetacean sightings on primary platform of vessel surveys 2005. Version 1.0.0. Dataset published in OBIS-SEAMAP. https://doi.org/10.82144/d934db54.
Derechos
Los usuarios deben respetar los siguientes derechos de uso:
El publicador y propietario de los derechos de este trabajo es OBIS-SEAMAP. 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: 32920bfb-a28c-4cfd-a30f-b78eb1320d81. OBIS-SEAMAP publica este recurso y está registrado en GBIF como un publicador de datos avalado por Ocean Biodiversity Information System.
Palabras clave
Occurrence; Observation; Marine Biology; Visual sighting; Marine Animal Survey; Marine mammals; Sea turtles; Visual Sighting; Vessel; Occurrence
Datos externos
Los datos del recurso también están disponibles en otros formatos
| OBIS-SEAMAP Dataset Page | https://seamap.env.duke.edu/dataset/1150 UTF-8 Interactive map |
|---|---|
| FGDC Metadata | https://seamap.env.duke.edu/dataset/1150/fgdc UTF-8 XML |
| EML Metadata | https://seamap.env.duke.edu/dataset/1150/eml UTF-8 XML |
Contactos
- Propietario ●
- Originador ●
- Punto De Contacto
- Primary contact
- Proveedor De Los Metadatos ●
- Distribuidor
- A328 LSRC building
Cobertura geográfica
Oceans,North Atlantic Ocean,European Atlantic shelf waters
| Coordenadas límite | Latitud Mínima Longitud Mínima [35,96, -11,93], Latitud Máxima Longitud Máxima [61,99, 12,6] |
|---|
Cobertura taxonómica
Scientific names are based on the Integrated Taxonomic Information System (ITIS).
| Subclase | Elasmobranchii (Cartilaginous fishes) |
|---|---|
| Orden | Cetacea (Cetaceans) |
| Suborden | Caniformia (Pinnipeds), Odontoceti (Toothed whales) |
| Familia | Delphinidae (Dolphins) |
| Género | Lagenorhynchus (White-beaked dolphins) |
| Especie | Balaenoptera acutorostrata (Common minke whale), Balaenoptera physalus (Fin whale), Cetorhinus maximus (Basking shark), Delphinus delphis (Short-beaked common dolphin), Dermochelys coriacea (Leatherback sea turtle), Globicephala melas (Long-finned pilot whale), Grampus griseus (Risso's dolphin), Halichoerus grypus (Atlantic gray seal), Lagenorhynchus acutus (Atlantic white-sided dolphin), Lagenorhynchus albirostris (White-beaked dolphin), Mola mola (Ocean sunfish), Orcinus orca (Killer whale), Phoca vitulina (Harbor seal), Phocoena phocoena (Harbor porpoise), Prionace glauca (Blue shark), Stenella coeruleoalba (Striped dolphin), Tursiops truncatus (Common bottlenose dolphin), Ziphius cavirostris (Cuvier's beaked whale) |
Cobertura temporal
| Fecha Inicial / Fecha Final | 2005-06-29 / 2005-07-28 |
|---|
Datos del proyecto
No hay descripción disponible
| Título | SCANS II cetacean sightings on primary platform of vessel surveys 2005 |
|---|---|
| Fuentes de Financiación | NA |
Personas asociadas al proyecto:
- Propietario
Métodos de muestreo
NA
| Área de Estudio | NA |
|---|
Descripción de la metodología paso a paso:
- NA
Datos de la colección
| Nombre de la Colección | zd_1150 |
|---|---|
| Identificador de la Colección | zd_1150 |
| Identificador de la Colección Parental | OBIS-SEAMAP |
Referencias bibliográficas
- Hammond, P.S., Macleod, K., Berggren, P., Borchers, D.L., Burt, L., Cañadas, A., Desportes, G., Donovan, G.P., Gilles, A., Gillespie, D., et al. 2013. Cetacean abundance and distribution in European Atlantic shelf waters to inform conservation and management. Biological Conservation: 164, 107–122.
Metadatos adicionales
marine, harvested by iOBIS. Surveys from seven different vessels were merged. Each vessel contained two sightings platforms running concurrently – primary and tracker. This dataset includes sightings from the primary platform. Sightings from the tracker platform are registered in SCANS II cetacean sightings on tracker platform of vessel surveys 2005. Effort or vessel tracks for these surveys are provided with this dataset. Survey conditions such as sea state, glare, swell, wind are found in the effort data. In the primary platform, normal binoculars were used and distance and angle were estimated by observer on the vessel with raditional bearing board and range finder-stick.
| Propósito | |
|---|---|
| Identificadores alternativos | https://doi.org/10.82144/d934db54 |
| https://seamap.env.duke.edu/dataset/1150 | |
| https://www.gbif.org/dataset/32920bfb-a28c-4cfd-a30f-b78eb1320d81 | |
| https://obis.org/dataset/8b18ef25-fe25-45e9-978f-0f4c462ce2f8 | |
| 32920bfb-a28c-4cfd-a30f-b78eb1320d81 | |
| https://ipt.env.duke.edu/resource?r=zd_1150 |