Resultados de la búsqueda
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Birds: Trophic modelling of the Ross Sea
system. It is known that birds can be incidentally killed by fisheries activities by collision with ... , Bechervaise, Wilkes). Timing also varies with year. It should be borne in mind then that we describe the ... , in keeping with results from the modeled penguin populations (see below). Second, we assumed that ... unassimilated food for all bird groups. 1.4 Export If birds were to be killed by interactions with ...
Document : Site Section: Publications
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An integrated stock assessment for the Patagonian toothfish (Dissostichus eleginoides) in Division 58.5.2 using CASAL
cover a highly spatially structured stock. It is recommended that the mark-recapture data not be ... yield using CASAL, 2,306 tonnes, is less than that using the GYM, 2483 t. The reasons for this ... yields be estimated by integrating across uncertainties in natural mortality. It is also recommended that ... using CASAL and demonstrates that all of the data available for assessments, including surveys, fishery ...
Meeting Document : WG-FSA-06/64 : Autor(es): A. Constable, S. Candy, T. Lamb and I. Ball (Australia)
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A comparison between otoliths and scales for use in estimating the age of Dissostichus eleginoides from South Georgia
with age. Patagonian toothfish (Dissostichus eleginoides) is considered to be a long-lived species ... sides. Using ANOVA, we compared data obtained from the two structures to test the hypothesis that ... with age. Patagonian toothfish (Dissoslicliirs elcginoides) is considered to be a long-lived species ... using scales than otoliths. There was evidence that for fish older t l~an 16 years (estimated using ... would be the most effective (SC-CAMLR, 1998). The present study was undertaken in response to that ... as year 0. The birthday of all fish was taken to be 1 July, so that the outer annulus was counted ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 75–92 : Autor(es): Ashford, J.R., S. Wischniowski, C. Jones, S. Bobko and I. Everson
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CCAMLR-IWC-WS-08
Full Name: Joint CCAMLR-IWC Workshop Location: Hobart, Australia Date(s): Monday, 11 August ... 2008 to Friday, 15 August 2008 Meeting documents Doc Number Title CCAMLR-IWC-WS-08/01 Draft Agenda for ... workshop in August 2008 Van Waerebeek, K., Best, P.B., Donovan, G.P., Branch, T.A., Murase, H., Leaper, R ... , J., Stewart, B., Southwell, C., Trathan, P., Rogers, T., Plotz, J., Bornemann, H. CCAMLR-IWC-WS-08 ...
Meeting
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e-sc-xvii-a5.pdf
... Provisional Agenda which had been circulated prior to the meeting. It was agreed that Subitem 3.6 be renamed ... Working Group recognised that his presence would be missed and wished him a full and speedy recovery. 309 ... considered this work, and agreed that the list of tasks and actions should be referred to during the meeting ... , and that specific issues should be addressed under the relevant agenda items. Specifically, priority
application/pdf attached to:WG-FSA-98
Meeting Report : WG-FSA-98
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e-sc-xxx-a06.pdf
... it would be useful to consider the ecological connections that linked East Antarctica with the ... Workshop recalled the advice of the Scientific Committee that a number of methods could be used for ... working groups. The Workshop also recommended that a standard protocol should be developed for the ... environment, and recommended that periodic updates to the regionalisation analysis should be undertaken to
application/pdf attached to:WS-MPA-11
Meeting Report : WS-MPA-11
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An overview of Southern Ocean zooplankton data: abundance, biomass, feeding and functional relationships (submitted to the 2008 Joint CCAMLR-IWC Workshop)
fixed (Q10-type) temperature relationships based on global literature compilations must be applied with ... an enormous amount of data on Southern Ocean (SO) zooplankton, mostly on their distribution with a ... assist SO food-web modellers or those with limited specialist knowledge of SO zooplankton. First, a brief ... overview is provided of the diversity and basic biology of SO zooplankton, with an emphasis on abundance ... ) temperature relationships based on global literature compilations must be applied with great caution in SO ... ; Pasternak and Schnack-Schiel, 2001). A global analysis of copepod diets showed that ciliates comprise on ... blooms, these indeed appear to be ingestable by the copepods, although food size increases with copepod ... be a less active, efficient species, with corresponding energy budget terms perhaps one-third to ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 171–218 : Autor(es): A. Atkinson, P. Ward, B.P.V. Hunt, E.A. Pakhomov and G.W. Hosie
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Long-term change in zooplankton communities of the Southern Ocean between 1997 and 2018: implications for fisheries and ecosystems
productivity, sea-surface temperature (SST), mixed layer depth, sea ice and the spatial gradient of SST (as an ... ), Foraminifera, Fritillaria spp., Oithona similis and pteropods. Trend analysis suggests that the environmental ... –0.83% per year averaged across the Southern Ocean, and with much higher rates of increase in some ... regions. In contrast, the environmental suitability for pteropods is predicted to be decreasing in the ...
Meeting Document : WG-EMM-2019/66 : Autor(es): M.H. Pinkerton, M. Decima, J. Kitchener, K. Takahashi, K. Robinson, R. Stewart and G.W. Hosie
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Fishing and conservation in southern waters
with the 1970039;s and 1980039;s, when most fisheries were subsidized, economic considerations and ... stocks we re implemented only from 1989 onwards. There is evidence that some fish stocks have started to ... appears to be remote at present. The way forward is likely to be a single-species model for the krill ... Southern Ocean is likel y to be much larger than current catches. The fishery potential of krill and ...
Meeting Document : SC-CAMLR-XII/BG/11 : Autor(es): Delegation of Germany
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Abundance, size and maturity of krill (Euphausia superba) in the krill fishing ground of Subarea 48.1 during 1990/91 austral summer
krill into this zone. The total biomass over the survey region was estimated to be 1.59 ± 0.45 million t ... the neritic and nearshore zones. This indicates that slope frontal features may be important for the ... (95% confidence limit), of which 1.22 ± 0.42 million t was concentrated in the fishing grounds (" ... that krill biomass in this region had been lower than expected until early February 1991. As for ...
Meeting Document : WG-KRILL-92/26 : Autor(es): T. Ichii, H. Ishii and M. Naganobu (Japan)