Results 1 to 10 of about 17,381 (194)
A mark-recapture approach for estimating population size of the endangered ringed seal (Phoca hispida saimensis). [PDF]
PLoS ONE, 2019 Reliable population estimates are fundamental to the conservation of endangered species. We evaluate here the use of photo-identification (photo-ID) and mark-recapture techniques for estimating the population size of the endangered Saimaa ringed seal ...
Meeri Koivuniemi +4 more
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NAMMCO Scientific Publications, 1998 Saimaa (Phoca hispida saimensis) and Ladoga (P. h. ladogensis) seals are subspecies of ringed seals that live in freshwater lakes. The founding populations for these two subspecies became separated from Arctic ringed seals (P. h. hispida) during the last
Tero Sipilä, Heikki Hyvärinen
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NAMMCO Scientific Publications, 1998 Seven studies of netting and tagging of ringed seals (Phoca hispida) in Greenland 1976-1997 are described. The areas of operation were: northern part of the Upernavik area (Northwest Greenland), Kong Oscars Fjord (Northeast Greenland), and Avanersuaq ...
Finn O Kapel +7 more
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Diet of the ringed seal (Phoca hispida) in Greenland
NAMMCO Scientific Publications, 1998 Analysis of 454 stomachs of ringed seals (Phoca hispida) collected from the Inuit hunt in six municipalities in West Greenland and 30 alimentary tracts collected by scientists in East Greenland, showed seasonal and regional differences in the diet.
Helle Siegstad +3 more
doaj +2 more sources
Distribution, abundance and biology of ringed seals (Phoca hispida): an overview
NAMMCO Scientific Publications, 1998 The ringed seal (Phoca hispida) has a circumpolar Arctic distribution. Because of its great importance to northern communities and its role as the primary food of polar bears (Ursus maritimus) the ringed seal has been studied extensively in Canada ...
Randall R Reeves
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Environment International, 2020 Bone is remodelled constantly through a balance of bone formation and resorption. This process can be affected by various factors such as hormones, vitamins, nutrients and environmental factors, which can create an imbalance resulting in systemic or ...
Britta Schmidt +8 more
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NAMMCO Scientific Publications, 1998 Ringed seals (Phoca hispida) in Thesiger Bay (about 71 °45'N, 125°00'W), in northwestern Amundsen Gulf in the western Canadian Arctic, suffered a failure of pup production in the years before 1987, starting probably in 1984. Pups taken in the summer hunt
Michael C S Kingsley, Tim J Byers
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Population size and distribution of the Baltic ringed seal (Phoca hispida botnica)
NAMMCO Scientific Publications, 1998 The study reviews earlier investigations on the distribution and abundance of ringed seals (Phoca hispida botnica) in the Baltic and presents the first statistically robust results for the entire area.
Tero Härkönen +5 more
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Cadmium, mercury, zinc and selenium in ringed seals (Phoca hispida) from Greenland and Svalbard
NAMMCO Scientific Publications, 1998 Muscle, liver, and kidney tissue from 456 ringed seals (Phoca hispida) from eight areas in Greenland were analysed for cadmium, mercury, zinc and selenium. In general, cadmium concentrations were high in liver and kidney tissue, with geometric means of 7.
Run Dietz +3 more
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Exploitation of ringed seals (Phoca hispida) in Greenland
NAMMCO Scientific Publications, 1998 The ringed seal (Phoca hispida) is the most important game for the Inuit hunters of Greenland, providing many of the basic needs in the original culture.
Jonas Teilmann, Finn O Kapel
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