[MARMAM] New publication: Wide dispersal of recently weaned grey seal pups in the Southern North Sea

Verena Peschko peschko at ftz-west.uni-kiel.de
Mon May 11 02:01:10 PDT 2020

Dear all,

On behalf of my co-authors, I am pleased to announce the recent 
publication of our article in the ICES Journal of Marine Science:

*Wide dispersal of recently weaned grey seal pups in the **Southern 
North Sea*
Verena Peschko, Sabine Müller, Philipp Schwemmer, Moritz Mercker, Peter 
Lienau, Tanja Rosenberger, Janne Sundermeyer, and Stefan Garthe**


Grey seals have become an important part of the ecosystem in the 
southern North Sea over the last 50 years. However, little is known
about their spatial utilization of the German North Sea, especially in 
relation to the dispersal and behaviour of grey seal pups after weaning.
We investigated these little-known aspects by recording the movements of 
11 grey seal pups born at the largest German colony for 1–
9 months after leaving the colony between 2015 and 2017. The individuals 
moved widely throughout the southern North Sea, including some
individuals that moved far along the Danish coast or to Dutch and UK 
waters. A point process modelling approach revealed that pups increased
their distance to Helgoland during the first 70 d at sea. The frequency 
of inferred foraging behaviour increased until week 7 and decreased
afterwards, whereas fast travelling behaviour increased throughout the 
whole study period. These findings reflect the transition from
naive to more experienced pups, with gradual increases in foraging 
effort, range and efficiency to account for their increasing energy demands
for survival and growth. This study provides the first characterization 
of the dispersal, behaviour, and spatial utilization of recently weaned
grey seal pups in the southern North Sea, which profoundly extents our 
knowledge of an increasingly important top predator in that area.

Available at : https://doi.org/10.1093/icesjms/fsaa045

Please, do not hesitate to contact me (peschko at ftz-west.uni-kiel.de) if 
you have any queries regarding to this article or to request a PDF copy.

Best regards,
Verena Peschko

Verena Peschko
Research and Technology Centre (FTZ)
University of Kiel
Hafentörn 1
25761 Büsum
Tel: +49 4834 604 250
Fax: +49 4834 604 299
e-mail: peschko at ftz-west.uni-kiel.de

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