{"id":32156,"date":"2014-03-06T19:21:17","date_gmt":"2014-03-06T17:21:17","guid":{"rendered":"https:\/\/oneearth-oneocean.com\/2014\/03\/06\/distribution-and-feeding-ecology-of-the-greenland-shark-somniosus-microcephalus-in-greenland-waters\/"},"modified":"2014-03-06T19:21:17","modified_gmt":"2014-03-06T17:21:17","slug":"distribution-and-feeding-ecology-of-the-greenland-shark-somniosus-microcephalus-in-greenland-waters","status":"publish","type":"post","link":"https:\/\/oneearth-oneocean.com\/en\/allgemein-en\/2014\/distribution-and-feeding-ecology-of-the-greenland-shark-somniosus-microcephalus-in-greenland-waters\/","title":{"rendered":"Distribution and feeding ecology of the Greenland shark (Somniosus  microcephalus) in Greenland waters"},"content":{"rendered":"<pre>Julius Nielsen, Rasmus B. Hedeholm, Malene Simon, John F. Steffensen\nDistribution and feeding ecology of the Greenland shark (Somniosus \nmicrocephalus) in Greenland waters\nPolar Biology\nJanuary 2014, Volume 37, Issue 1, pp 37-46\nDOI 10.1007\/s00300-013-1408-3<\/pre>\n<pre>Abstract\nGreenland sharks are widely distributed and most likely a highly \nabundant predator in arctic waters. Greenland sharks have previously \nbeen considered scavengers, but recent studies suggest that Greenland \nsharks also predate on live prey. In this study, distribution and \nfeeding ecology in Greenland waters were investigated. Based on data \nfrom 25 years of surveys, Greenland sharks were usually caught at \n400\u2013700 m but were found at all depths between 100 and 1,200 m. Based on \nexamination of stomachs from 30 Greenland sharks (total length of \n258\u2013460 cm), the most important prey items were Atlantic cod (65.6 % \nIRI), harp seal (9.9 % IRI), skates (5.2 % IRI) and wolffish (4.4 % \nIRI), but large geographical variations were observed. Prey composition \nand qualitative observations support the hypothesis of active predation. \nConsistent with other studies, the results of this work support the \nnotion that the Greenland shark is an apex predator with the potential \nto influence trophic dynamics in the Arctic.<\/pre>\n<pre><a href=\"http:\/\/link.springer.com\/article\/10.1007\/s00300-013-1408-3\" target=\"_blank\" rel=\"noopener\">http:\/\/link.springer.com\/article\/10.1007\/s00300-013-1408-3<\/a><\/pre>\n<pre><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>Julius Nielsen, Rasmus B. Hedeholm, Malene Simon, John F. Steffensen Distribution and feeding ecology of the Greenland shark (Somniosus microcephalus) in Greenland waters Polar Biology January 2014, Volume 37, Issue 1, pp 37-46 DOI 10.1007\/s00300-013-1408-3 Abstract Greenland sharks are widely distributed and most likely a highly abundant predator in arctic waters. Greenland sharks have previously been considered scavengers, but recent studies suggest that Greenland sharks also predate on live prey. In this study, distribution and feeding ecology in Greenland waters were investigated. Based on data from 25 years of surveys, Greenland sharks were usually caught at 400\u2013700 m but were found at all depths between 100 and 1,200 m. Based on examination of stomachs from 30 Greenland sharks (total length of 258\u2013460 cm), the most important prey items were Atlantic cod (65.6 % IRI), harp seal (9.9 % IRI), skates (5.2 % IRI) and wolffish (4.4 % IRI), but large geographical variations were observed. Prey composition and qualitative observations support the hypothesis of active predation. Consistent with other studies, the results of this work support the notion that the Greenland shark is an apex predator with the potential to influence trophic dynamics in the Arctic. http:\/\/link.springer.com\/article\/10.1007\/s00300-013-1408-3<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3504,3380,3422,3423],"tags":[3841],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Distribution and feeding ecology of the Greenland shark (Somniosus microcephalus) in Greenland waters - One Earth - One Ocean e. V.<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/oneearth-oneocean.com\/en\/allgemein-en\/2014\/distribution-and-feeding-ecology-of-the-greenland-shark-somniosus-microcephalus-in-greenland-waters\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Distribution and feeding ecology of the Greenland shark (Somniosus microcephalus) in Greenland waters - One Earth - One Ocean e. V.\" \/>\n<meta property=\"og:description\" content=\"Julius Nielsen, Rasmus B. Hedeholm, Malene Simon, John F. Steffensen Distribution and feeding ecology of the Greenland shark (Somniosus microcephalus) in Greenland waters Polar Biology January 2014, Volume 37, Issue 1, pp 37-46 DOI 10.1007\/s00300-013-1408-3 Abstract Greenland sharks are widely distributed and most likely a highly abundant predator in arctic waters. Greenland sharks have previously been considered scavengers, but recent studies suggest that Greenland sharks also predate on live prey. In this study, distribution and feeding ecology in Greenland waters were investigated. Based on data from 25 years of surveys, Greenland sharks were usually caught at 400\u2013700 m but were found at all depths between 100 and 1,200 m. Based on examination of stomachs from 30 Greenland sharks (total length of 258\u2013460 cm), the most important prey items were Atlantic cod (65.6 % IRI), harp seal (9.9 % IRI), skates (5.2 % IRI) and wolffish (4.4 % IRI), but large geographical variations were observed. Prey composition and qualitative observations support the hypothesis of active predation. Consistent with other studies, the results of this work support the notion that the Greenland shark is an apex predator with the potential to influence trophic dynamics in the Arctic. http:\/\/link.springer.com\/article\/10.1007\/s00300-013-1408-3\" \/>\n<meta property=\"og:url\" content=\"https:\/\/oneearth-oneocean.com\/en\/allgemein-en\/2014\/distribution-and-feeding-ecology-of-the-greenland-shark-somniosus-microcephalus-in-greenland-waters\/\" \/>\n<meta property=\"og:site_name\" content=\"One Earth - One Ocean e. 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