Halichoerus grypus (Italian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Halichoerus grypus" in Italian language version.

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5web.archive.org

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1what-when-how.com

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1askaboutireland.ie

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askaboutireland.ie

The Grey Seal, su Ask about Ireland. URL consultato il 20 novembre 2011.

bbc.co.uk

Grey seal, su Wales Nature & Outdoors, BBC Wales, 25 febbraio 2011. URL consultato il 20 novembre 2011.

books.google.com

Claude Savenkoff, Lyne Morissette, Martin Castonguay, Douglas P. Swain, Mike O. Hammill, Denis Chabot e J. Mark Hanson, Interactions between Marine Mammals and Fisheries: Implications for Cod Recovery, in Junying Chen e Chuguang Guo (a cura di), Ecosystem Ecology Research Trends, Nova Science Publishers, 2008, p. 130, ISBN 978-1-60456-183-8.

boston.com

Once again, coastal waters getting seals' approval Boston Globe, October, 2009.

bucknell.edu

departments.bucknell.edu

(EN) D.E. Wilson e D.M. Reeder, Halichoerus grypus, in Mammal Species of the World. A Taxonomic and Geographic Reference, 3ª ed., Johns Hopkins University Press, 2005, ISBN 0-8018-8221-4.

ibss.org.ua

repository.ibss.org.ua

Kovtun O.O. (2011) Rare sightings and video-recording of the grey seal, Halichoerus grypus (Fabricius, 1791), in coastal grottoes of the eastern Crimea (Black Sea). Marine Ecological Journal Archiviato il 3 agosto 2012 in Internet Archive., 10(4):22. (in Russian)

ices.dk

Stenman, Olavi (2007). "How does hunting grey seals (Halichoerus grypus) on Bothnian Bay spring ice influence the structure of seal and fish stocks?" Archiviato il 3 maggio 2012 in Internet Archive.. International Council for the Exploration of the Sea. Retrieved 20 November 2011. "Analysis of fish otolithes and other hard particles in the alimentary tract showed clearly that the herring (Clupea harengus) was the most important item of prey."

iucnredlist.org

apiv3.iucnredlist.org

(EN) Thompson, D. & Härkönen, T. (IUCN SSC Pinniped Specialist Group) 2008, Halichoerus grypus, su IUCN Red List of Threatened Species, Versione 2020.2, IUCN, 2020.

web.archive.org

Gray Seal (marine mammals) Archiviato il 9 ottobre 2018 in Internet Archive. . what-when-how.com
(DE) Melanie Hahn, Kegelrobben-Geburtenrekord auf Helgoland, su Nordseewolf Magazin, 13 gennaio 2010. URL consultato il 20 novembre 2011 (archiviato dall'url originale il 31 marzo 2016).
Kovtun O.O. (2011) Rare sightings and video-recording of the grey seal, Halichoerus grypus (Fabricius, 1791), in coastal grottoes of the eastern Crimea (Black Sea). Marine Ecological Journal Archiviato il 3 agosto 2012 in Internet Archive., 10(4):22. (in Russian)
Stenman, Olavi (2007). "How does hunting grey seals (Halichoerus grypus) on Bothnian Bay spring ice influence the structure of seal and fish stocks?" Archiviato il 3 maggio 2012 in Internet Archive.. International Council for the Exploration of the Sea. Retrieved 20 November 2011. "Analysis of fish otolithes and other hard particles in the alimentary tract showed clearly that the herring (Clupea harengus) was the most important item of prey."
Britt-Marie Bäcklin, Charlotta Moraeus, Mervi Kunnasranta e Marja Isomursu, Health Assessment in the Baltic grey seal (Halichoerus grypus), su HELCOM Indicator Fact Sheets 2011, HELCOM, 2 settembre 2011. URL consultato il 18 novembre 2011 (archiviato dall'url originale il 3 novembre 2011).

what-when-how.com

Gray Seal (marine mammals) Archiviato il 9 ottobre 2018 in Internet Archive. . what-when-how.com