Search results
-
Towards a new method for age determination in Antarctic krill, and evidence that krill shrink under natural conditions
maintained in conditions of low food availability. Recent studies have also demonstrated that E. superba ... -length and the crystalline cone number of the compound eye was examined. Samples collected in the late ... be a more reliable indicator of age than body-length alone. The ratio of crystalline cone number to ... body-length offers a method for detecting the effect of shrinking in natural populations of krill. On ...
Meeting Document : WG-Krill-94/17 : Author(s): W. de la Mare (Australia)
-
Joint CEP/SC-CAMLR workshop (2016) on climate change and monitoring
hold a second Joint CEP/SC-CAMLR Workshop in 2016. The agreed general scope of the workshop is to ... identify the effects of climate change that are considered most likely to impact the conservation of the ... Antarctic, and to identify existing and potential sources of research and monitoring data relevant to the ... CEP and SC-CAMLR. At its meeting in 2015, the CEP discussed the workshop Terms of Reference, Steering ...
Meeting Document : WG-EMM-15/18 : Author(s): S. Grant (UK) and P. Penhale (USA)
-
New Zealand-Australia Antarctic Ecosystems Voyage
March 2015. The main purpose of the New Zealand-Australia Antarctic Ecosystems Voyage (TAN1502) was to ... undertake ecological studies of Ross Sea marine foodwebs of importance to top predators. The work was ... centred on the feeding areas of cetaceans, primarily blue whales and humpback whales, and in the Ross Sea ... using passive acoustics and visual observations. Observations of prey species were collected with ...
Meeting Document : WG-EMM-15/56 : Author(s): R.L. O’Driscoll (New Zealand)
-
Draft Research and Monitoring Plan for the South Orkney Islands Southern Shelf Marine Protected Area (MPA Planning Domain 1, Subarea 48.2)
Islands Southern Shelf MPA, with the aim of further harmonizing CM 91-03 and CM 91-04. The draft RMP is ... /09). It aims to address the requirements of CM 91-04, and takes account of general principles from ... discussions on the development of RMPs. The plan outlines research and monitoring topics relevant to specific ... MPA objectives. A project list and a list of baseline data relevant to the designation and review of ...
Meeting Document : WG-EMM-2019/31 : Author(s): S.M. Grant and P.N. Trathan
-
Monitoring fishing in vulnerable marine ecosystems (VMEs) in the CAMLR Convention Area
Abstract: CCAMLR has established a comprehensive set of conservation measures to prevent ... significant adverse effects of fishing on vulnerable marine ecosystems (VMEs). The United States undertook a ... and in relevant VMEs as a step toward reviewing the effectiveness of relevant conservation measures in ... longline fishing gear was set inside a VME Risk Area. These findings raise questions about the level of ...
Meeting Document : CCAMLR-XXXVII/19 : Author(s): Delegation of the USA
-
Research plan for the exploratory fisheries for Dissostichus spp. in Subarea 48.6 in 2014/15
the latest CCAMLR C2 and observer data toward the development of research plan for the 2014/15 ... exploratory fishery of toothfish in Subarea 48.6. The stock sizes for five research blocks (486_1, 486_2 ... estimator was applicable. Predicted numbers of tag recaptures from the estimated stock sizes using the both ... blocks generally following the procedure recommended at the last WG-FSA meeting. The results of ...
Meeting Document : WG-SAM-14/01 : Author(s): Delegation of Japan
-
The Antarctic toothfish: how common a prey for Weddell seals?
Abstract: Reported herein are observations of Weddell seals (Leptonychotes weddellii) feeding on ... . In addition to past reports of isolated toothfish captures, the frequency of these observations and ... the quantity of toothfish captured lead us to suggest that this species is a significant prey item for ... Weddell seals, and that the recent development of a toothfish fishery in the Ross Sea may have broader ...
Meeting Document : WG-EMM-07/P4 : Author(s): P.J. Ponganis and T.K. Stockard (USA)
-
Length-at-age juvenile Patagonian toothfish Dissostichus eleginoides
Abstract: The fishery for Patagonian toothfish is one of the most valuable in the CCAMLR Area ... . Age based models are used to assess the status of the stocks of this species. Although age can be ... length density of juvenile toothfish in the catches had a clearly defined polymodal distribution. The age ... of each fish was estimated from the otoliths and the distribution of these ages matched closely the ...
Meeting Document : WG-FSA-01/16 : Author(s): J. Ashford (USA), I. Everson (UK), C. Jones and S. Bobko (USA)
-
Oiled penguins observed at Bird Island, South Georgia, 1992/1993
Abstract: In the first observation of oiled seabirds at Bird Island, South Georgia since the ... within 20nm of the Willis Islands (5km west of Bird Island) from early July, are the most likely source ... of the oil. Large concentrations of penguins were seen in this area by a US research cruise in June ... 1993. Author(s): Delegation of United Kingdom Title: Oiled penguins observed at Bird Island, South ...
Meeting Document : SC-CAMLR-XII/BG/15 : Author(s): Delegation of United Kingdom
-
The UK fish stock assessment survey bottom trawl for South Georgia
Abstract: Criteria for the choice of a trawl for demersal fish surveys are discussed. Details of ... the construction and performance of the 120 Bolt Rope Bottom Trawl used during the recent fish stock ... of the trawl is similar to the Polish P32/36 survey trawl used on the Profesor Siedlecki surveys ... around South Georgia between 1986/87 and 1988/89. The importance of reducing the variability of trawl ...
Meeting Document : WG-FSA-91/16 : Author(s): G. Parkes (United Kingdom)