Map of the survey area.

<p>Subregions 1 to 8 belong to the Skagerrak region. As data for subregions 1 to 4 were only available for 2016 and 2022, they were excluded from statistical analysis of trends. Subregions 9 to 16 belong to the Kattegat region. The S.W. Baltic (17) was treated as a separate population with jus...

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Bibliographic Details
Main Author:	Daire Carroll (13232562) (author)
Other Authors:	Markus P. Ahola (21627135) (author), Anja M. Carlsson (5027330) (author), Anders Galatius (309528) (author), Kjell T. Nilssen (4169899) (author), Tero Härkönen (5654026) (author), Karin C. Harding (11795537) (author)
Published:	2025
Subjects:	Evolutionary Biology Ecology Inorganic Chemistry Infectious Diseases Environmental Sciences not elsewhere classified Biological Sciences not elsewhere classified previously recovering meta important case study logistic growth model exponential growth model – 408 individuals representing individual colonies estimated mean count reduced pup counts div >< p increased population density western baltic sea change remained positive population </ p baltic population throughout estimated annual increase aerial survey data harbour seal abundance population growth mean counts baltic population survey period seal abundance harbour seals certain colonies 54 individuals declining counts years 2003 vessel traffic twelve subregions recent years present evidence parametric modelling grown exponentially fitting non first derivative environmental factors determine trends best fit annual decline abundance may [- 882 67 ]) 2010s may
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Map of the survey area.

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