Search results
-
SOUTHERN OCEAN SENTINEL: AN INTERNATIONAL PROGRAM TO ASSESS CLIMATE CHANGE IMPACTS ON MARINE ECOSYSTEMS
ecosystem models, was the focus of discussion at an International Workshop on ‘Monitoring climate change ... Abstract: Assessment and predictive models need to be developed to provide two assessments of ... climate change impacts on Southern Ocean ecosystems to inform governments of the consequences of climate ... ecosystems, using select indicators of Southern Ocean ecosystems as early warning signals, to inform managers ...
Meeting Document : SC-CAMLR-XXVIII/BG/17 : Author(s): Delegation of Australia
-
Integrated stock assessment for the Heard Island and the McDonald Islands Patagonian toothfish (Dissostichus eleginoides) fishery (Division 58.5.2)
eleginoides) at the Heard and the McDonald Islands (Division 58.5.2) with data until the start of August 2013 ... of a range of alternative fishery structures and model assumptions for year class strength (YCS) on ... of the longline hauls into two sub-fisheries that were depth-stratified but not regionally-explicit ... evaluated scenarios produced similar spawning stock biomass (SSB) patterns and estimates of current status ...
Meeting Document : WG-FSA-13/24 : Author(s): P. Ziegler, S. Candy and D. Welsford (Australia)
-
Interaction of sperm whales with bottom longline and the Mammal and Bird Excluding Device (MBED) operation in the Patagonian toothfish (Dissostichus eleginoides) fishery in the southwestern Atlantic
in the southern zone (latitude 50º 00’ S) at an average depth of-1282 m. 57.2% of the total number of ... two different fishing zones at 40º and 50º latitudes in the Southwestern Atlantic from March to May ... hauls were observed. Onboard observers recorded: a) quantity and quality of fish parts remaining in the ... recovered longline; b) presence and number of sperm whales and c) comparative fishing yields with and ...
Meeting Document : WG-FSA-07/23 : Author(s): O. Pin and E. Rojas (Uruguay)
-
Revised research plan for the 2013/14 exploratory longline fishery of Dissostichus spp. in Division 58.4.3a
in the last WG-SAM meeting. We tentatively recalculated a sample size of Dissostichus spp in each ... block in such a way that the numbers of tag recoveries in the 2016 season shows an approximately 0.3 of ... coefficient variance of biomass estimate from the bootstrapped procedure, under the condition that the ... to estimate appropriate catch limit, we propose to conduct the current research operation for at ...
Meeting Document : WG-FSA-13/40 : Author(s): Delegation of Japan
-
Monitoring a marine ecosystem using responses of upper trophic level predators
Abstract: 1. This study examined the changing status of the marine ecosystem at the island of ... index (CSI). 2. Sensitivity analyses showed that missing values had a large effect upon the accuracy of ... the CSI but this effect was reduced if the individual variables were highly correlated. The level of ... correlation and proportion of missing values within the empirical data set were within the acceptable range ...
Meeting Document : WG-EMM-01/25 : Author(s): I.L. Boyd and A.W.A. Murray (United Kingdom)
-
Summary of research voyages in the South Orkney Islands region in 2015/16
undertaken in the austral summer of 2015-16. It collected at-sea data on the distribution, abundance and ... vessel and field camps on Monroe Island, Powell Island and at Signy where satellite tracking of penguins ... inform the further development of spatial management, including feedback management of the krill fishery ... behaviour of krill and its predators across a range of temporal and spatial scales using acoustics, nets and ...
Meeting Document : SC-CAMLR-XXXV/BG/28 : Author(s): Delegations of the United Kingdom and Norway
-
Report of the first SCAR Krill Action Group (SKAG) meeting (Cambridge, United Kingdom, 16 July 2018)
Abstract: At last year’s meeting the Scientific Committee requested that SCAR consider ... in association with WG-EMM meetings. The SKAG therefore requests the SC-CAMLR a travel funding of 13000 AUD (8000 ... At last year’s meeting the Scientific Committee requested that SCAR consider ... in association with WG-EMM meetings. The SKAG therefore requests the SC-CAMLR a travel funding of 13000 AUD (8000 ...
Meeting Document : SC-CAMLR-XXXVII/23 : Author(s): B. Meyer
-
Research plan for the 2016/17 exploratory longline fishery of Dissostichus spp. in Subarea 48.6 by South Africa and Japan
precautionary biomass for D. mawsoni in block 48.6_2 and 48.6_3 because of recaptures with short period at ... . We investigated the biological features of D. mawsoni using Observer data. The geographical ... distribution of sizes, GSI and Fulton’s condition factors for D. mawsoni in Subarea 48.6 suggest that northward ... and preliminary CASAL models. We divided the two areas for block 48.6_2 by latitude of 55.2°S to ...
Meeting Document : WG-SAM-16/07 : Author(s): Delegations of Japan and South Africa
-
Microincrement analysis in otoliths of Notothenia rossii fingerlings from the South Shetland Islands to estimate early life history timings and to validate annulus formation
phase fingerlings selected from a total sample of 364 early juveniles caught mainly in summer from 2003 ... to 2010 at Potter Cove, South Shetland Islands, allowed to provide insights on early life history ... date of capture showed two main periods of larval hatching separated by 5-6 months, one in late summer ... , indicating a timing of demersal settlement of about eight months from hatching. The age/length frequency ...
Meeting Document : WG-FSA-12/04 : Author(s): E. Barrera-Oro (Argentina) and M. La Mesa (Italy)
-
Information on illegal fishing in Statistical Area 58 Assessment of illegal fishing in French waters around Kerguelen and Crozet Islands Report of observations and inspections in the CCAMLR Area 2011/2012 season (1 July 2011 – 15 July 2012)
the more scattered seamounts (Ob and Lena), and sometimes at the boundaries of the Crozet, Kerguelen ... or at the limit of the ice, accessible in summer. The IUU vessels observed all use gillnets. It is ... Abstract: This document summarises French observations of illegal fishing for the past year ... Crozet EEZs are now protected, as shown in the report of the POKER 2 fisheries research survey (2010 ...
Meeting Document : CCAMLR-XXXI/35 : Author(s): Délégation française