Search results
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Science supporting the joint New Zealand–United States proposal for the establishment of a marine protected area in the Ross Sea Region
Region (RSR). A substantial amount of material has already been presented to the Scientific Committee ... and its working groups, and here we provide an abridged and annotated summary of that material. We ... organize our summary by linking spatial data to the specific protection and scientific objectives of the ... continental slope, the Balleny Islands and vicinity, and the northern RSR. A set of maps (provided in an ...
Meeting Document : SC-CAMLR-IM-I/08 : Author(s): Delegations of the USA and New Zealand
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Performance metrics to index the spatial coverage of mark-recapture data
Abstract: Understanding the spatial distribution of the release of tagged fish and the subsequent ... spatial coverage of fishing effort to recapture tagged fish is an important consideration when ... measures of spatial overlap and potential bias in the development of tag-based biomass estimates are an ... statistics: (i) a single measure of the degree of spatial overlap between the release of tagged fish and ...
Meeting Document : WG-SAM-16/13 : Author(s): C. Marsh, A. Dunn and S. Mormede
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Otolith chemistry reveals local population structure of Antarctic toothfish (Dissostichus mawsoni) within the CCAMLR Subarea 48.6
and economical value and that distributed in the high latitude of the Southern Ocean. The CCAMLR ... subarea 48.6 is one of an important fishing zone, however, the local population structure of D. mawsoni is ... unknown in this regions, which hampered the understanding on population dynamics of this species and the ... management of toothfish fishery. The chemistry in the otolith can often be used to distinguish population ...
Meeting Document : WG-FSA-18/75 : Author(s): L. Wei, G.P. Zhu, S. Somhlaba, X.Y. Yu and M. Duan
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Advances are urgently needed in providing regular estimates of krill stock status based on the available data
measure (the trigger level) which was established in 1991 and is “not related to the status of the krill ... trigger level is not related to the status of the stock. The establishing terms of reference for WG-EMM ... include requests to “assess the status of krill” and “develop management advice … for management of krill ... fisheries”. Although WG-EMM is now a quarter century old, it rarely assesses the status of the krill stock ...
Meeting Document : WG-EMM-2019/28 : Author(s): S. Hill, J. Hinke, N. Ratcliffe, P. Trathan and G. Watters
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First increment validation of Patagonian toothfish (Dissostichus eleginoides) from Heard Island
one opaque and one translucent increment is formed each year on the sectioned face of sagittal ... routinely ageing D. eleginoides, resulting in differences of ageing data presented. One area that was ... assumed to cause interpretation differences was the position of the first increment that corresponded with ... the end of the first year of growth. While there is a general consensus that the observed increments ...
Meeting Document : WG-FSA-05/61 : Author(s): K. Krusic-Golub, C. Green and R. Williams (Australia)
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Natural fluctuations in the abundance of krill with due regard to global climate changes in the southern hemisphere: forecasting possibilities
Abstract: The eco systematic studies in biology and hydrology conducted in the Atlantic sector of ... ;success" in the reproduction of krill (Euphausia superba) and salp (Salpa tompsoni) (SC-CAMLR-XVI4 ... ; SC-CAMLR-XVV3). The analysis of multiannual observations (1977-1997) conducted by Siegel (Siegel et ... between the strong year-classes of krill and severe winters when the ice-cover extended itself northwards ...
Meeting Document : WG-EMM-98/52 : Author(s): K. Shust (Russia)
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Estimates of sustainable yield for 50 data-poor stocks in the Pacific coast groundfish fishery management plan
Abstract: The Magnuson-Stevens Fishery Conservation and Management Reauthorization Act of 2006 ... of sustainable yield for many these species were previously based on undocumented, ad-hoc analyses ... . We present estimates of sustainable yield for 50 of these stocks using two recently developed models ... designed to inform management of data-poor stocks. These models rely on recently reconstructed time series ...
Meeting Document : WG-SAM-11/P1 : Author(s): E.J. Dick and A.D. McCall
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A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997/98 to 2005/06
nine years in Subarea 88.1 and for five years in Subarea 88.2 with a large amount of data collected on ... fished. The 2006 D. mawsoni catch was the second highest on record with a total of 3388 t against a ... combined catch limit of 3451 t. The subarea catch limit was almost reached in both Subarea 88.1 and 88.2 ... . The management of the SSRUs within the two subareas was changed for the 2006 season as part of a 3 ...
Meeting Document : WG-FSA-06/29 : Author(s): S.M. Hanchet, M.L. Stevenson and A. Dunn (New Zealand)
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Population structure of icefish (Champsocephalus gunnari) in the South Georgia area (Antarctic)
cm in length either die or return to the Island. The results obtained provide the basis to assume ... the South Georgia area and remain at Shag Rocks. Icefish reaching 40-43 cm in length either die or return ...
Meeting Document : WG-FSA-04/40 : Author(s): Zh.A. Frolkina and I.A. Trunov (Russia)
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The influence of environmental variables and mitigation measures on seabird catch rates in the Japanese tuna longline fishery within the Australian Fishing Zone, 1991–1995
Abstract: Long term fisheries observer data were used to analyse the influence of a range of ... environmental variables and mitigation measures upon catch rates of seabirds in the Japanese pelagic longline ... were set during summer, in southern areas of the zone, and during daylight hours. However ... , interpretation of changes in catch rates resulting from the use of mitigation measures or from weather effects ...
Meeting Document : WG-FSA-98/32 : Author(s): N. Brothers, R. Gales and T. Reid (Australia)