Effectiveness of observers in visually detecting dead seabirds on the open ocean / D.A. Fifield, S. Avery-Gomm, L.A. McFarlane Tranquilla, P.C. Ryan, C. Gjerdrum, A. Hedd, M.G.Fitzsimmons, G.J. Robertson.: NE22-4/205E-PDF

"Assessing the environmental effects and impacts of oil spills is challenging, even when assessing impacts on highly visible top predators such as marine birds. The number of methods to assess the effects and impacts on marine birds from oil spills are limited, and require many assumptions, especially when pre-spill data are not available. In offshore environments the methods become even more constrained, because beached bird carcass surveys are not possible"--Executive summary, page 7.

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Publication information
Department/Agency Canada. Environment and Climate Change Canada. Wildlife Research Division, issuing body.
Environmental Studies Research Funds (Canada), issuing body.
Title Effectiveness of observers in visually detecting dead seabirds on the open ocean / D.A. Fifield, S. Avery-Gomm, L.A. McFarlane Tranquilla, P.C. Ryan, C. Gjerdrum, A. Hedd, M.G.Fitzsimmons, G.J. Robertson.
Variant title Efficacité avec laquelle les observateurs détectent visuellement les oiseaux marins morts en pleine mer
Series title Environmental Studies Research Funds report ; 205
Publication type Series - View Master Record
Language [English]
Format Electronic
Electronic document
Note(s) "Final report."
Includes bibliographical references (pages 35-37).
Includes executive summary in French.
Publishing information St. Johns, Newfoundland : Environmental Studies Research Funds : Wildlife Research Division, Environment and Climate Change Canada, March 2017.
Author / Contributor Fifield, David A., author.
Description 1 online resource (97 pages) : maps, photographs, charts.
Catalogue number
  • NE22-4/205E-PDF
Subject terms Sea birds -- Effect of oil spills on -- Canada.
Sea birds -- Mortality -- Canada.
Sea birds -- Counting -- Canada.
Oiseaux de mer -- Effets des déversements de pétrole sur -- Canada.
Oiseaux de mer -- Mortalité -- Canada.
Oiseaux de mer -- Comptage -- Canada.
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