Search results
-
A comparison of acoustic targets at South Georgia and the South Orkney Islands during a season of profound krill scarcity
targets into three biological categories: Antarctic krill; nekton (larger than krill); and zooplankton ... (smaller than krill). To counter the absence of krill length-frequency data from Coronation Island a new ... with appropriate 120 kHz data to calculate krill density estimates for both survey areas. Krill distribution ... ; for example one echo-integration interval contained 104 times the mean krill density. An approximate six-fold ...
Meeting Document : WG-EMM-95/75 : Author(s): Watkins, J.L., Brierley, A.S.
-
Results of acoustic assessment of krill biomass in Subarea 48.2 during summer 1996
; acoustic assessment of krill biomass and distribution was carried out in study area restricted with 59° 10 ... of hydrobiological and oceanographic observations and studies.Onboard hydroacoustic complex was represented ... -tacks distance of 20 miles. The echosurvey was carried out diurnally. Krill target strength ... was estimated by means of TS/length relationship, recommended by WG-krill (SC-CAMLR, 1991). Recorded range ...
Meeting Document : WG-EMM-96/36 : Author(s): Sunkovich, V.I., Kasatkina, S.M., Abramov, V.M., Polischuk, M.I., Sushin, V.A., Shnar, V.N.
-
Effects of recruitment variability and natural mortality on Generalised Yield Model projections and the CCAMLR Decision Rules for Antarctic krill
Abstract: AMLR krill sampling data was supplied to the Generalised Yield Model as the " ... ;vector of recruitments" input option to simulate the population dynamics of krill in the Antarctic ... Peninsula region (Subarea 48.1) under various assumptions. The annual proportions of krill less than 36 mm ... mortality" (M = 3, annual survival of 5%). CVs of either 0, 10%, 20%, or 30% were added to the observed ...
Meeting Document : WG-EMM-12/26 : Author(s): D. Kinzey, G. Watters and C. Reiss (USA)
-
Estimating the impact of depredation by killer whales and sperm whales on longline fishing for toothfish (Dissostichus eleginoides) around South Georgia
fishing for toothfish (Dissostichus eleginoides) around South Georgia Abstract / Description: Observer ... . Since 2003, cetaceans have been observed on 22% of 14 300 observed lines, with killer whales present ... Observer data collected on longliners between 2003 and 2009 were analysed to look at the levels ... Georgia. Since 2003, cetaceans have been observed on 22% of 14 300 observed lines, with killer whales ... and scientific observers suggest an increase in the numbers of cetaceans and in the overall levels ... South Georgia. methods From 2003 to 2009, scientific observers on all longline fishing vessels ... and interannual variation in diving rates. Can. J. Zool., 83 (2): 257–267. CCAMLR. 2009. Scientific Observer ... London Prince Consort Road London SW7 2BP United Kingdom Abstract Observer data collected ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 163–178 : Author(s): Moir Clark, J. and D.J. Agnew
-
Models of larvae dispersion of Antarctic toothfish (Dissostichus mawsoni)
locations from Scientific Observer sampling of D. mawsoni in other ocean sectors to identify starting ... Scientific Observer sampling of D. mawsoni in other ocean sectors to identify starting locations ... circumpolar oceanographic model documented by Rickard et al. (2010). We used a finer resolution of simulated ... oceanographic model documented by Rickard et al. (2010). We used a finer resolution of simulated locations ...
Meeting Document : WG-FSA-12/48 : Author(s): A. Dunn, G.J. Rickard, S.M. Hanchet and S.J. Parker (New Zealand)
-
Notification of an exploratory fishery
Author(s): Delegation of the European Community Title: Notification of an exploratory fishery ... Approval: Approved Secretariat Workflow Status: Content Approved Document Release Consent: No Delegation ... responsibility for releasing documents: CCAMLR Secretariat ... Notification of an exploratory fishery ...
Meeting Document : CCAMLR-XVIII/21 : Author(s): Delegation of the European Community
-
Schedule of Conservation Measures in Force 1991/92
of the Scientific Committee, taking into account any data resulting from fishery surveys around South Georgia ... on the proposed new fishery, taking full account of the recommendations and the advice of the Scientific ... ..................................................................................... Conservation Measure 3/IV Prohibition of ~ k c t e d Fishery on Notothenia rossii around South Georgia ... Initiating a New Fishery ............................................................... Conservation ...
Document : Site Section: Publications
-
Pilot project satellite monitoring in fishery - final report
Author(s): Delegation of Germany Title: Pilot project satellite monitoring in fishery- final ... report Approval: Approved Secretariat Workflow Status: Content Approved Document Release Consent ... : No Delegation responsibility for releasing documents: CCAMLR Secretariat ... Pilot project satellite monitoring in fishery - final report ...
Meeting Document : CCAMLR-XV/BG/22 : Author(s): Delegation of Germany
-
Fishery Report 2018: Exploratory fishery for Dissostichus eleginoides in Division 58.4.3a
Description / Abstract: Fishery Report 2018: Exploratory fishery for Dissostichus eleginoides ... Fishery Report 2018: Exploratory fishery for Dissostichus eleginoides in Division 58.4.3a ... Fishery Report 2018: Exploratory fishery for Dissostichus eleginoides in Division 58.4.3a ... Scheme of International Scientific Observation. In exploratory longline fisheries targeting D. mawsoni ... -poor fisheries’ (SC-CAMLR-XXX, paragraph 3.122). The Scientific Committee noted that the number ... LAYOUT OF CCAMLR DOCUMENTS AND REPORTS FI ... the 2014/15 CCAMLR fishing season (from 1 December 2014 to 30 November 2015). Fishery ...
Document : Site Section: Publications
-
Near-shore acoustic surveys for Antarctic krill at South Georgia, January 2004
the Willis Islands. Krill densities in both regions were low compared to time-series of observations from ... of the surveys was to determine krill density near shore, in regions that have not traditionally been surveyed ... to 7 knots. Echo intensity data were scaled to krill density using a target strength determined from ... the length distribution of krill sampled from fur seal scats at Bird Island (mean krill length 53.13 mm, TS ...
Meeting Document : WG-EMM-04/35 : Author(s): A.S. Brierley, P.N. Trathan, J. Poncet and A. Morton (United Kingdom)