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A proposed framework for reporting mass mortality (wreck) events of seabirds

Glencross, JS, Lavers, JL ORCID: 0000-0001-7596-6588 and Woehler, EJ ORCID: 0000-0002-1125-0748 2021 , 'A proposed framework for reporting mass mortality (wreck) events of seabirds' , ICES Journal of Marine Science , pp. 1-8 , doi: 10.1093/icesjms/fsab046.

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Abstract

There is an absence of quantitative criteria and definitions for unusual or anomalous mortality events involving birds, often referred to as “wrecks”. These events most commonly involve seabirds, although terrestrial bird wrecks have also been documented. Typically, the peer-reviewed literature investigating wreck events lacks the details necessary to further our understanding of the circumstances and potential causes of these events. This study reviewed the peer-reviewed literature for wrecks involving Ardenna seabirds (shearwaters), and included grey literature and data collected by citizen science (community) groups. Our results showed a significant time-lag between wreck events and when the data was published in the peer-reviewed literature, which did not occur in the grey literature. Both the grey and peer-reviewed literature were often skewed towards reporting larger wreck events, with only the citizen science dataset capturing smaller wrecks. We outline a proposed framework for reporting mortality events, including the use of quantitative categories to document the numbers of birds involved and taxon-specific thresholds. In doing so, we aim to establish a framework to aid in the quantitative reporting and analyses of future seabird wrecks.

Item Type: Article
Authors/Creators:Glencross, JS and Lavers, JL and Woehler, EJ
Keywords: seabird ecology, mass mortality, wreck, shearwater, ocean warming, Pacific blob
Journal or Publication Title: ICES Journal of Marine Science
Publisher: Academic Press Ltd Elsevier Science Ltd
ISSN: 1054-3139
DOI / ID Number: 10.1093/icesjms/fsab046
Copyright Information:

Copyright International Council for the Exploration of the Sea 2021

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