Search results
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IDENTIFYING PATTERNS IN DIET OF MACKEREL ICEFISH (CHAMPSOCEPHALUS GUNNARI) AT SOUTH GEORGIA USING BOOTSTRAPPED CONFIDENCE INTERVALS OF A DIETARY INDEX
was dominated by krill, Euphausia superba and by the amphipod Themisto gaudichaudii. Smaller (younger ... -2004) the proportion of krill in the diet, stomach fullness and fish condition (indicated by length ... was followed by a large reduction (> 80%) in the estimated annual biomass of C. gunnari the ...
Meeting Document : WG-FSA-08/29 : Author(s): C.E. Main, M.A. Collins, R. Mitchell and M. Belchier (UK)
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Report of biological observations carried out on board the krill fishing vessel More Sodruzhestva in April to August 1991
Abstract: An observation program was carried out by a biologist-observer on board the krill ... physiological status and size composition of krill and also for determining the level of by-catch of juvenile ... and 35 to 36 mm made up the bulk of catches in the south-east of the subarea. No by-catch of juvenile ... 48.3: 35 to 38, 39 to 42 and 45 to 46 mm. By-catch of juvenile Champsocephalus gunnari was observed in ...
Meeting Document : WG-KRILL-92/06 : Author(s): V.I. Latogursky (Russia)
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Stomach contents of Antarctic toothfish (Dissostichus mawsoni) from the Ross Sea region in 2010 and a comparison with 2003
Abstract: The stomach contents of 273 Dissostichus mawsoni captured by bottom longline in the ... whitsoni) dominated the diet occurring in 37% of stomachs and accounting for 45% by weight and 52% by IRI ... and by IRI 23%, 13%, and 8% respectively. The large onychoteuthid squid, Kondakovia longimana ...
Meeting Document : WG-FSA-10/22 : Author(s): D.W. Stevens, J. Forman and S. Hanchet (New Zealand)
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Population trends and reproductive success at a frequently visited penguin colony on the western Antarctic Peninsula
with larger trends in this region, the Adélie penguin population decreased by 29% and the gentoo ... penguin population increased by 27% between the 2003/2004 and 2007/2008 seasons. Reproductive success ... Petermann Island. Whereas gentoo penguin reproductive success was lowest in colonies frequently visited by ... tourists, Adélie penguin colonies frequently visited by tourists had higher reproductive success than those ...
Meeting Document : WG-EMM-16/P07 : Author(s): H.J. Lynch, W.F. Fagan and R. Naveen
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Antarctic's pelagic ecosystem: how environmental change will affect Salpidae population structure
crustacean has been recorded, followed by an increase in the population of the gelatinous zooplankter Salpa ... this species’ development. The central part of the Drake Passage was characterized by a dominance of ... Island was the Salpidae population characterized by slowed, or even stopped reproduction. The immense ... reproduction efficiency observed in the Salpa thompsoni population was mostly induced by beneficial thermal ...
Meeting Document : WG-EMM-15/P08 : Author(s): A.W. Słomska, A.A. Panasiuk-Chodnicka, M.I. Żmijewska and M.K. Mańko (Poland)
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Update on the Top Predator Alliance project, 2013–14 season: Killer whales
affected by the removal of Antarctic toothfish (Dissostichus mawsoni; ‘toothfish’) in the Ross Sea region ... reliance on toothfish as a critical prey item, have limited our ability to (a) assess the risk posed by the ... fishery to TCKW and other marine mammals and (b) mitigate potential risk by implementation of management ... strategies such as closures to protect key foraging habitats. During late January 2014, feeding by TCKW was ...
Meeting Document : WG-EMM-14/52 : Author(s): R. Eisert, M.H. Pinkerton (New Zealand), L. Torres (USA), R.J.C. Currey, P.H. Ensor, E.N. Ovsyanikova, I.N. Visser (New Zealand) and O.T. Oftedal (USA)
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Infectious diseases of Antarctic penguins: current status and future threats
Abstract: The Antarctic Treaty area will become increasingly frequented by both researchers and ... tourists in the future. Three main areas are likely to be impacted by this increase in use and by ... affected by climate change and increased human activity. As long-lived seabirds, Adélie penguins are ... be used by CCAMLR to help inform management decisions. Author(s): W.W. Grimaldi, P.J. Seddon, P.O.B ...
Meeting Document : WG-EMM-14/53 : Author(s): W.W. Grimaldi, P.J. Seddon, P.O.B. Lyver, S. Nakagawa and D.M. Tompkins (New Zealand)
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Illegal, unreported and unregulated (IUU) fishing
the catch reported by authorised fishing vessels. At that time, CCAMLR was aware that other Antarctic ... detect possible or known IUU vessels in the Convention Area, through direct observation by their own ... -governmental organisations and the public and are updated regularly as new information is provided by Members ... the 2022/2023 Non-Contracting Party IUU Vessel List are deemed by the Commission to have engaged in ...
Page : Site Section: Compliance
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Submission of papers to meetings of the Working Groups
SUBMISSION OF PAPERS TO MEETINGS OF THE WORKING GROUPS 1. Papers must be submitted by email to the ... Secretariat (webmaster [at] ccamlr [dot] org) by no later than 0900 h on the day which is exactly two weeks ... submission form (80.17 KB). Only papers accompanied by this form and submitted electronically by the ... Secretariat tasks specifically identified by the working group convener and/or the working group. ...
Page : Site Section: Meetings
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Predation release of Antarctic silverfish (Pleuragramma antarctica) in the Ross Sea
they consume only a small proportion of silverfish (1.9–5.1% by mass) over the southern Ross Sea shelf ... silverfish estimated as being released from predation by fishing (577 tWW/y) was equivalent to about 2% of ... the amount of silverfish consumed annually by Adélie penguins in this region. This result was ... ) analysis was used to look for alternative indirect pathways through the food-web by which changes to ...
Meeting Document : WG-EMM-15/53 : Author(s): M.H. Pinkerton, P. Lyver, D. Stevens, J. Forman, R. Eisert and S. Mormede (New Zealand).