Search results
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Spawning pattern and type of fecundity in notothenioids collected around the Elephant and South Orkney Islands
georgianus) was carried out, in females collected during a fishery research survey around the Elephant Island ... development, while the determination of RF was performed by a gravimetric method. Five were the main ... the less developed group showed a polymodal pattern in C. aceratus and N. rossi; (iii) in hydrated ... ovaries of P. georgianus a trimodal structure was visible, containing immature oocytes (<0.9 mm ...
Meeting Document : WG-FSA-16/22 : Author(s): G. Plaza, P.M. Arana, F. Becker, A. Zavatteri and V.H. Castillo
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Informing and seeking advice from WG-SAM-18 about the revisions of the WSMPA proposal
Abstract: Following the submission of a first draft Conservation Measure for establishing a MPA ... with a view for a revised CM proposal to be submitted by the EU to CCAMLR 2018. This document informs ... ; Adjustment of the habitat of adult Antarctic toothfish in statistical areas 48.6 and 48.5 as a result of ... alia, by taking into account the outcome of the CCAMLR Workshop for the Development of a D. mawsoni ...
Meeting Document : WG-SAM-18/16 : Author(s): S. Hain, K. Teschke, H. Pehlke and T. Brey
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Consumption estimates for male Antarctic fur seals at the South Orkney Islands during the post mating migration
their biomass is orders of magnitude less than those of penguins. As a result the estimates of fur seal ... South Georgia. Using a combination of published and BAS data we highlight the potential importance of ... this connectivity. Our estimates suggest that the influx of fur seal males from South Georgia has a ... significant impact on the marine environment around the South Orkney Islands with a potential total krill ...
Meeting Document : WG-EMM-18/10 : Author(s): I. Staniland and S. Hill
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Marine Ecosystem Assessment for the Southern Ocean (MEASO)
Abstract: A first Marine Ecosystem Assessment for the Southern Ocean (MEASO) is under development ... . MEASO aims to provide a forward-looking assessment of what trends in Southern Ocean ecosystems are ... . The aim is to have a quantitative assessment that enables managers to achieve consensus in adapting ... develop a work plan. Since the conference, summaries of information available for a MEASO have been ...
Meeting Document : SC-CAMLR-XXXVII/BG/22 : Author(s): A. Constable, J. Melbourne-Thomas, R. Trebilco and M. Brasier
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Oil, marine debris and fishing gear associated with seabirds at Bird Island, South Georgia 1995/96
grey-headed albatrosses (two items). One gentoo penguin chick was released from entanglement in a ... packaging band; another (uncut) band was found at a nest of a northern giant petrel. Parts of fishing gear ... albatrosses (one bird impaled with a long-line hook, another hook found at a nest) and wandering albatrosses ... hooks, is a continuing cause for concern. Author(s): Delegation of the United Kingdom Title: Oil ...
Meeting Document : SC-CAMLR-XV/BG/04 : Author(s): Delegation of the United Kingdom
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The application of CCAMLR Ecosystem Monitoring Program (CEMP) standard methods in the Antarctic site inventory project
landing beaches where visitors access a site, allowing comparisons over time between areas that have much ... human activity and those without such activity. A power analysis indicates the Inventory's ... Inventory to detect a 10% or 20% change in a parameter with a significance level as. 01 and a statistical ...
Meeting Document : WG-EMM-97/38 : Author(s): Naveen, R.
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Entanglement in man-made debris of Antarctic fur seals at Bird Island, South Georgia
as part of an ongoing study by the British Antarctic Survey. A minimum of 8 seals were sighted ... ). During the summer pup-rearing period a minimum of 30 entangled seals were reported, 26 (87%) of which had ... their collars removed. This represents a reduction of 88% in the number of entangled seals reported in ... entanglement include a reduction in fishing activity in the South Georgia area, a decrease in the amount of ...
Meeting Document : CCAMLR-X/BG/05 : Author(s): Delegation of UK
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Seamount-specific biomass estimates from SSRU 88.2H in the Amundsen Sea derived from mark-recapture data
calculated for SSRU 88.2H as a whole. The analyses indicate that: Fish seldom move among seamounts within the ... overall showed a decline in biomass through time with a slight increase in biomass since 2012. The pattern ... in recapture rates of annual cohorts of tagged fish through time in SSRU 88.2H indicates a decrease ... catch and emigration of tagged and untagged fish resulting in a decreasing trend in biomass overall ...
Meeting Document : WG-FSA-14/58 : Author(s): S.J. Parker and S. Mormede (New Zealand)
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Marine pollutants and fishing gear associated with seabirds at sub Antarctic Marion Island, 1996–1998: trends in relation to longline fishing activity
period May 1996 to April 1998 are reported. Standardised searches and incidental finds show a large ... increase between the 1996/97 and the 1997/98 field seasons. Fishing gear increased at a rate ten times ... at Marion Island, between 1992 and 1996. Three seabirds (a Southern Giant Petrel, a Northern Giant ... Petrel, and a Subantarctic Skua) were found entangled in fishing gear, while five seabird carcasses ...
Meeting Document : CCAMLR-XVII/BG/26 : Author(s): Delegation of South Africa
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Variability in krill length distribution in 48.1 derived from data collected by scientific observers
dynamics, and the impacts of a fishery on the stocks. Here, we use generalised additive models (GAM) and ... . Median krill length showed a complex pattern and varied significantly with fishing location, fishing ... Subarea 48.1 needs to be modified in order to gain a comprehensive understanding of the temporal and ... reduce the likelihood of potential biases in the overall krill length estimates. We also propose a ...
Meeting Document : WG-EMM-15/16 : Author(s): P. Ziegler, S. Kawaguchi D. Welsford and A. Constable (Australia)