Hypoxic areas, density-dependence and food limitation drive the body condition of a heavily exploited marine fish predator M Casini, F Käll, M Hansson, M Plikshs, T Baranova, O Karlsson, ... Royal Society open science 3 (10), 160416, 2016 | 153 | 2016 |
Status of Baltic grey seals: Population assessment and extinction risk KC Harding, T Härkönen, B Helander, O Karlsson NAMMCO Scientific Publications 6, 33-56, 2007 | 145 | 2007 |
Understanding the diet composition of marine mammals: grey seals (Halichoerus grypus) in the Baltic Sea K Lundström, O Hjerne, SG Lunneryd, O Karlsson ICES Journal of Marine Science 67 (6), 1230-1239, 2010 | 122 | 2010 |
Estimation of grey seal (Halichoerus grypus) diet composition in the Baltic Sea K Lundström, O Hjerne, K Alexandersson, O Karlsson NAMMCO Scientific Publications 6, 177-196, 2007 | 105 | 2007 |
Photo-identification, site fidelity, and movement of female gray seals (Halichoerus grypus) between haul-outs in the Baltic Sea O Karlsson, L Hiby, T Lundberg, M Jüssi, I Jüssi, B Helander AMBIO: A Journal of the Human Environment 34 (8), 628-634, 2005 | 86 | 2005 |
Estimates of the size of the Baltic grey seal population based on photo-identification data L Hiby, T Lundberg, O Karlsson, J Watkins, M Jüssi, I Jüssi, B Helander NAMMCO scientific publications 6, 163-175, 2007 | 65 | 2007 |
Investigation of mercury concentrations in fur of phocid seals using stable isotopes as tracers of trophic levels and geographical regions A Aubail, J Teilmann, R Dietz, F Rigét, T Harkonen, O Karlsson, ... Polar Biology 34, 1411-1420, 2011 | 54 | 2011 |
Classifying grey seal behaviour in relation to environmental variability and commercial fishing activity-a multivariate hidden Markov model FM van Beest, S Mews, S Elkenkamp, P Schuhmann, D Tsolak, T Wobbe, ... Scientific Reports 9 (1), 5642, 2019 | 53 | 2019 |
Both predation and feeding opportunities may explain changes in survival of Baltic salmon post-smolts S Mäntyniemi, A Romakkaniemi, J Dannewitz, S Palm, T Pakarinen, ... ICES Journal of Marine Science 69 (9), 1574-1579, 2012 | 45 | 2012 |
Microsatellite and mtDNA analysis of the population structure of grey seals (Halichoerus grypus) from three breeding areas in the Baltic Sea JA Graves, A Helyar, M Biuw, M Jüssi, I Jüssi, O Karlsson Conservation Genetics 10, 59-68, 2009 | 39 | 2009 |
Complementary methods assessing short and long-term prey of a marine top predator‒Application to the grey seal-fishery conflict in the Baltic Sea M Tverin, R Esparza-Salas, A Strömberg, P Tang, I Kokkonen, A Herrero, ... PLoS One 14 (1), e0208694, 2019 | 38 | 2019 |
Fish consumption of harbour seals (Phoca vitulina) in north western Iceland assessed by DNA metabarcoding and morphological analysis SM Granquist, R Esparza-Salas, E Hauksson, O Karlsson, A Angerbjörn Polar Biology 41 (11), 2199-2210, 2018 | 33 | 2018 |
Does predation by grey seals (Halichoerus grypus) affect Bothnian Sea herring stock estimates? A Gårdmark, Ö Östman, A Nielsen, K Lundström, O Karlsson, J Pönni, ... ICES Journal of Marine Science 69 (8), 1448-1456, 2012 | 30 | 2012 |
Linking consumer physiological status to food-web structure and prey food value in the Baltic Sea AML Karlson, E Gorokhova, A Gårdmark, Z Pekcan-Hekim, M Casini, ... Ambio 49, 391-406, 2020 | 26 | 2020 |
Trophic position and foraging ecology of Ross, Weddell, and crabeater seals revealed by compound-specific isotope analysis EK Brault, PL Koch, DP Costa, MD McCarthy, LA Hückstädt, KT Goetz, ... Marine Ecology Progress Series 611, 1-18, 2019 | 25 | 2019 |
Limited use of sea ice by the Ross seal (Ommatophoca rossii), in Amundsen Sea, Antarctica, using telemetry and remote sensing data A Arcalís-Planas, S Sveegaard, O Karlsson, KC Harding, A Wåhlin, ... Polar Biology 38, 445-461, 2015 | 25 | 2015 |
Age, sex and body condition of Baltic grey seals: are problem seals a random sample of the population? K Kauhala, M Kurkilahti, MP Ahola, A Herrero, O Karlsson, M Kunnasranta, ... Annales Zoologici Fennici 52 (1–2), 103-114, 2015 | 21 | 2015 |
Population growth rate, abundance and distribution of marine mammals T Härkönen, A Galatius, S Bräeger, O Karlsson, M Ahola HELCOM Core Indicator of Biodiversity, 1-34, 2013 | 21 | 2013 |
Population structure, movements and site fidelity of grey seals in the Baltic Sea O Karlsson Department of Zoology, Stockholm University, 2003 | 20 | 2003 |
Antarctic seals: molecular biomarkers as indicators for pollutant exposure, health effects and diet K Lehnert, L Weirup, KC Harding, T Härkönen, O Karlsson, J Teilmann Science of the total environment 599, 1693-1704, 2017 | 17 | 2017 |