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Feasibility of trawl surveys to estimate abundance of juvenile toothfish in Subarea 88.1
average over the last three years, 63% of the seabed area from 0–600 m depth was not fishable in January ... conducting trawl surveys for juvenile toothfish in Subarea 88.1 (Ross Sea). Potential problems including a ... and previous research cruises. The major limitation on a trawl survey in the Ross Sea is ice cover. On ... –February because of ice. Ice cover varied greatly between years, with the untrawlable area ranging from 31 ...
Meeting Document : WG-FSA-SAM-04/07 : Автор(ы): Wood, B.A., ODriscoll, R.L., Hanchet, S.M.
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Revised impact assessment framework to estimate the cumulative footprint and impact on VME taxa of New Zealand bottom longline fisheries in the Ross Sea region
Abstract: In 2008-2009 New Zealand developed an impact assessment framework to estimate the ... in the Convention area). The impact assessment framework was subsequently endorsed within CCAMLR for ... routine application by Members submitting notifications of their intent to participate in new or ... estimate the cumulative historical bottom fishing footprint of all fisheries in the CCAMLR area. The ...
Meeting Document : WG-SAM-10/20 : Автор(ы): B.R. Sharp (New Zealand)
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Characterisation of the exploratory fishery on Dissostichus spp. between the 2004/05 and 2016/17 fishing seasons in Division 58.4.3.a
Abstract: Exploratory fishing in Division 58.4.3.a is conducted by two vessels using longlines ... arrangements are in place in Division 58.4.3.a (Conservation Measures 41-05 and 41-11), while data are ... in accordance with Conservation Measure 41-06 and associated measures. The main objective of this ... paper is to provide an overview of the data collected in Division 58.4.3a up to the CCAMLR fishing ...
Meeting Document : WG-SAM-17/20 : Автор(ы): J.-B. Lecomte, R. Sinegre, A. Rigaud and T. Okuda
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Towards the development of Marine Important Bird and Biodiversity Areas (mIBAs) for penguins in Antarctica – an update on progress
Bird and Biodiversity Areas (mIBAs) for penguins in Antarctica – an update on progress Approval ...
Meeting Document : WG-EMM-2019/30 : Автор(ы): J. Handley, M.-M. Rouyer, L. Pearmain, V. Warwick-Evans, P. Trathan and M.P. Dias
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Catchability of midwater trawls in relation to krill fishery
, krill aggregations distribution in the study area is discussed. It is shown that while the trawl ... selectivity affects krill length composition in each trawl sample, the trawl catchability affects the ... in the study area. Several approaches to trawl samples processing are discussed. It is shown that the ... trawl samples weighting against the catch corrected taking in account the trawl catchability for each ...
Meeting Document : WG-EMM-98/20 : Автор(ы): S.M. Kasatkina (Russia)
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A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997/98 to 2006/07
Shelf in 1999 and 2001), these year classes are not seen in large numbers in later years in the fishery ... years in Subarea 88.1 and for five years in Subarea 88.2. This report summarises the large amount of ... any SSRU over time. Although moderate numbers of small fish are caught in some years (e.g., on the ... . So at this stage there is no evidence for strong variation in year class strength in the fishery ...
Meeting Document : WG-FSA-07/28 : Автор(ы): S.M. Hanchet, M.L. Stevenson and A. Dunn (New Zealand)
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Fishing with pots in the Antarctic region (CCAMLR Statistical Subareas 48.1, 48.2 and 88.3)
, with the purpose of determining the presence of Dissostichus spp. in Subareas 48.1, 48.2 and 88.3. In ... ) with 51.2 g/pot. In general, P. anemerae was captured in all researched subareas, with a higher yield ... in Subarea 48.2 (548.8 g/pot). Title: Fishing with pots in the Antarctic region (CCAMLR Statistical ...
Meeting Document : WG-FSA-98/20
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Precautionary measures for a new fishery on Martialia hyadesi (Cephalopoda, Ommastrephidae) in the Scotia Sea: an ecological approach
. hyadesi spawns in winter/spring, probably has a two year life cycle and, in common with other ... Abstract: In anticipation of the development of a new fishery for the oceanic squid Martialia ... hyadesi in the Scotia Sea a revision is presented of annual consumption of the species by higher predators ... season. A conservative estimate for total annual consumption by higher predators in the Scotia Sea is ...
Meeting Document : WG-FSA-96/20 : Автор(ы): Rodhouse, P.G.
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A preliminary assessment of age and growth of eel cod (Muraenolepis sp.) and violet cod (Antimora rostrata) in the Ross Sea, Antarctica
) in the Ross Sea, Antarctica. Counts of zones visible in sectioned otoliths were used to estimate ... estimated age of 9.5 years. Von Bertalanffy parameters derived from female and unsexed fish only are: L ... ., 42.8 cm TL; K, 0.408 y-1; t0,-0.1 years. Violet cod are relatively long-lived, with a maximum estimated ... age of 41.5 years. Von Bertalanffy parameters derived from female and unsexed fish only are: L., 78.4 ...
Meeting Document : WG-FSA-10/19 : Автор(ы): P.L. Horn and C.P. Sutton (New Zealand)
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Are penguins and seals in competition for Antarctic krill at South Georgia?
, respectively, the main mammal and bird consumers of Antarctic krill (Euphausia superba). In recent years the ... 1989 and 2000. Foraging ranges of the two species showed considerable overlap in both years but the ... species was very similar, but over the last 12 years the prevalence of krill in their diets has diverged ... chrysolophus) are sympatric top predators that occur in the Southern Ocean around South Georgia where they are ...
Meeting Document : WG-EMM-02/22 : Автор(ы): K.E. Barlow, I.L. Boyd, J.P. Croxall, K. Reid, U.J. Staniland and A.S. Brierley (United Kingdom)
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