European Ocean Biogeographic Information System

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PIROP Northwest Atlantic 1965-1992
Hyrenbach, D., F. Huettmann and J. Chardine. 2012. PIROP Northwest Atlantic 1965-1992. Data downloaded from OBIS-SEAMAP ( on yyyy-mm-dd.

Toegang tot data
Gearchiveerde data

The PIROP data were collected for Canadian seabird monitoring purposes, focussing on the Canadian Atlantic, but also on other areas relevant to Canadian birds such as waters off Peru, off West Africa and off Europe. meer

The PIROP (Programme Intégré de recherches sur les oiseaux pélagiques) data set, Atlantic subset, consists of geo-referenced vessel-based surveys to monitor pelagic seabirds. Most surveys were carried out by R.G. B. Brown from 'vessels of opportunity' supplied by the Bedford Institute for Oceanography (BIO) in Dartmouth/Halifax, but many other platforms and observers were used, too. During these surveys observations other than seabirds were also recorded, e.g. Waterfowl, Waterbirds, Songbirds, Raptors, Owls, Sea Mammals, and other sightings of interest (weather, oceanography, vessel activities, bird behaviour, etc.). The data collection period covers all seasons of 1966-1992, with most surveys being conducted between (late) summers of 1975-1987. The survey protocol originally consisted of unlimited width 10min transects, but was changed appr. 1984 towards a Tasker et al. (1984) type of survey (fixed-width strip transect). However, data and results from the PIROP database need to be interpreted as relative, and not absolute, abundance.

Biologie > Vogels
Marien, Lange termijn monitoring, Monitoring, Zeevogels, ANW, North West Atlantic

Geografische spreiding
ANW, North West Atlantic [Marine Regions]

Bijdrage door
Canadian Federal Government; Canadian Wildlife Service (CWS), meerdata eigenaar

Gerelateerde datasets
Gepubliceerd in:
EurOBIS: European Ocean Biogeographic Information System, meer
OBIS-SEAMAP: Spatial Ecological Analysis of Megavertebrate Populations, meer

Dataset status: Afgelopen
Data type: Data
Data oorsprong: Monitoring: veldonderzoek
Metadatarecord aangemaakt: 2009-06-09
Informatie laatst gewijzigd: 2017-12-14
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