Résultats de la recherche
-
Age and growth of Antarctic euphausiacea (crustacea) under natural conditions
Abstract / Description: Five species of Antarctic euphausiid crustaceans were studied from the Antarctic ... Peninsula and the south-eastern Weddell Sea. Life spans range from two years for Euphausia frigida to six ... years for the krill Euphausia superba. Growth in length and weight was calculated by non-linear ... regressions. No difference in growth of krill was observed between the Antarctic Peninsula area and the ... Five species of Antarctic euphausiid crustaceans were studied from the Antarctic Peninsula and the ... south-eastern Weddell Sea. Life spans range from two years for Euphausia frigida to six years for the ... difference in growth of krill was observed between the Antarctic Peninsula area and the eastern Weddell Sea ... . Former opinions that differ are discussed. Seasonal growth was re-analyzed for the species Euphausia ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 369-370 : Auteur(s): Siegel, V.
-
SCIC-08
/01 PROVISIONAL AGENDA FOR THE 2008 MEETING OF THE CCAMLR STANDING COMMITTEE ON IMPLEMENTATION AND ... Secretariat SCIC-08/07 INFORMATION FROM CHILE AND PANAMA REGARDING THE VESSEL ROSA Secretariat SCIC-08/08 ... EXTRACTS FROM THE REPORT OF THE WORKING GROUP ON FISH STOCK ASSESSMENT (total removals of Dissostichus spp ... . including IUU catches in the Convention Area) Secretariat SCIC-08/10 INFORMATION FROM MARSHALL ISLANDS ...
Meeting
-
MODELLING ANTARCTIC KRILL: SCALE, MOVEMENT AND AGE‐STRUCTURE
Abstract: The organization, example outputs, and future objectives of an integrated, age ... ‐structured model designed to estimate krill population dynamics and productivity are described. The model ... 's capabilities are illustrated using 19 years of survey data collected by the U.S. AMLR Program ... around the South Shetland Islands, but it is being developed to be applicable to any region where multi ...
Meeting Document : WG-EMM-11/43 Rev. 1 : Auteur(s): D. Kinzey, G. Watters and C. Reiss (USA)
-
Distribution and ecology of Chaenocephalus aceratus (Channichthyidae) around South Georgia and Shag Rocks (Southern Ocean).
Abstract: Chaenocephalus aceratus (Family Channicthyidae) is one of the dominant species of ... demersal fish living on the South Georgia shelf where it is caught in low numbers as by-catch in the ... estimates from a swept area method ranged from 4462 tonnes to 28740 tonnes on the South Georgia and Shag ... that growth was fast in the first five years with males and females attaining lengths at first spawning ...
Meeting Document : WG-FSA-07/P5 : Auteur(s): W.D.K Reid, S. Clarke, M.A. Collins and M. Belchier. (Polar Biol., 30 (12): 1523–1533 (2007))
-
Fishing gear, marine debris and oil associated with seabirds at Bird Island, South Georgia, 2002/03
associated with seabirds at Bird Island, South Georgia from 1 April 2002 to 31 March 2003. It is the tenth ... , though numbers of both decreased slightly since last year. The quantity of fishing gear associated with ... giant petrels (northern and southern) was the second highest on record, and included five cases of ... , black-browed and grey-headed albatrosses. In all cases, no more than about 1-2 % of the birds’ plumage ...
Meeting Document : SC-CAMLR-XXII/BG/09 : Auteur(s): Delegation of the United Kingdom
-
Oil, marine debris and fishing gear associated with seabirds at Bird Island, South Georgia 1995/96
Abstract: In the third year of standardised recording of oil, fishing gear and marine debris at ... (two squid jigs; six hooks swallowed and impaled (four in adults, two in chicks), the remainder being ... seabirds at South Georgia have returned to the levels recorded in 1993194, relatively few items having been ... reported in 1994195. The reduction in 1994195 probably related mainly to changes in the long-line fishing ...
Meeting Document : SC-CAMLR-XV/BG/04 : Auteur(s): Delegation of the United Kingdom
-
Relative selectivity of four sampling methods using traps and trawls for male snow crabs (Chionoecetes opilio)
deployed during the day. and (4) bottom trawl deployed at night. Catches were characterized in terms of ... , were larger than those caught in the trawl; the size of crabs caught in the trawl at night was larger ... than those caught during the day; 2) large-clawed crabs predominated in the catches from traps whereas ... small-clawed animals predominated in the trawl catches; 3) soft-shell crabs were more common in trawl ...
Meeting Document : WS-CRAB-93/11 : Auteur(s): J.M. Hoenig and E.G. Dawe (USA)
-
Part 1. Seabird assemblages during trawling operations
Abstract: Our knowledge of seabird assemblage composition and abundance at-sea is limited by the ... the stern rather than the bow of the vessel. The information was collected as part of the project ... "Finfish distribution and abundance in Subareas 48.1 and 48.2" developed by the Pontificia ... Universidad Católica de Valparaíso on board the fishing vessel Cabo de Hornos, between January 21 and February ...
Meeting Document : WG-FSA-16/20 : Auteur(s): J.A. Arata
-
Density estimation of Antarctic krill (Euphausia superba) around South Shetland Island and Elephant Island (Subarea 48.1) using two frequencies with 38 and 120 kHz
Abstract: The density of Antarctic krill swarm inhabiting the Subarea 48.1, which includes the ... Elephant Island peripheries and the west and north of the South Shetland Island, was estimated using an ... in 2019. Krill were collected by the commercial midwater trawl fishing vessel. The data were ... ) each transects krill AT. The weighted krill density was estimated to be 4.27 g/m 2 (CV=43.42%) applying ...
Meeting Document : SG-ASAM-2019/03 Rev. 1 : Auteur(s): S. Choi, S. Chung, I. Han, W. Oh, D. An and K. Lee
-
Seabird avoidance measures for small Alaskan longline vessels
Abstract: Given the lack of information on appropriate seabird avoidance measures for small ... Alaskan longline vessels, we determined the “2-m access window”, or the distance astern that longline ... (> 26 to 55 feet) using two gear types: snap-on gear and fixed gear. We also determined the ... guidelines. Vessel speed was found to be a primary determinant of both the distance astern that longline ...
Meeting Document : WG-FSA-05/36 : Auteur(s): E.F. Melvin and M. Wainstein (USA)