Résultats de la recherche
-
ALLOCATING THE PRECAUTIONARY CATCH LIMIT FOR KRILL AMONGST THE SMALL-SCALE MANAGEMENT UNITS IN AREA 48: THE IMPLICATIONS OF DATA UNCERTAINTIES
that a strong case can be made against Option 4, which is likely to increase ecosystem risk when the ... suggest that the data documenting the distribution of krill standing stock are likely to be more reliable ... . However, we note that though Option 3 appears to be the most favourable, there is little documentary ... monitoring and model-based risk assessments. Finally, we conclude that WG-EMM cannot delay the subdivision of ...
Meeting Document : WG-EMM-08/12 : Auteur(s): P.N. Trathan and S.L. Hill (United Kingdom)
-
Warming effects in the Western Antarctic Peninsula Ecosystem: the role of population dynamic models for explaining and predicting penguin trends
Gentoo penguins appear to be better explained by the “sea-ice hypothesis”. We think that proper ... Abstract: The Western Antarctica Peninsula and Scotia Sea ecosystems appear to be driven by ... . The Adélie (Pygoscelis adeliae). Chinstrap (P. antarctica) and Gentoo (P. papua) penguins appear to be ... suggest that the relevant processes underlying the population dynamics of these penguin species at King ...
Meeting Document : WG-EMM-12/18 : Auteur(s): M. Lima and S.A. Estay (Chile)
-
Preliminary assessment of the potential for the proposed bottom fishing activities to have significant adverse impact on vulnerable marine ecosystems
that the data enclosed will be available for discussion by WG-EMM in their consideration of VME impacts ... (in addition to normal consideration by WG-FSA) should that be desired. The enclosed document was ... letter, the UK advised that the notification was intentionally submitted before the 25 July deadline so ...
Meeting Document : WG-EMM-10/33 : Auteur(s): United Kingdom
-
Patterns and processes in the distribution and dynamics of Antarctic krill
distribution and dynamics of Antarctic krill population at various spatial and temporal scales. We suggest that ... models of increasing complexity be developed iteratively for variability and patchiness of krill ... abundance. Incremental models should then be compared to statistical descriptions of the observed ... critical processes to be added. An analysis of spatial distribution of krill in the Bransfield Strait area ...
Meeting Document : SC-CAMLR-VII/BG/20 : Auteur(s): United States of America
-
Évaluation des risques et approches complémentaires pour faciliter la gestion de la pêcherie de krill tel que l'a envisagé le WG-EMM en 2019
likelihood that CCAMLR will be able to update its management of the krill fishery in subareas 48.1-4 by the ... enable catches to be distributed across the area taking account of estimated predator demand. We request ... that CCAMLR allocate funds from the General Science Capacity Fund to enable this component of the ... strategy identified by WG-EMM-2019 it to be delivered in a timely fashion. Author(s): Delegations of the ...
Meeting Document : SC-CAMLR-38/17 : Auteur(s): Delegations of the United Kingdom and Australia
-
WS-KCPUE-89
krill fishing by an individual Japanese trawler T. Ichii and Y. Endo (Japan) WS-KCPUE-89/08 CPUEs, body ... Island T. Ichii and Y. Endo (Japan) WS-KCPUE-89/09 Some examples of time budget data recorded by a ... Japanese trawler Ehiko Maru in 1986/87 season T. Ichii and Y. Shimadzu (Japan) WS-KCPUE-89/10 Size and ... 1988 T. Ichii and Y. Shimadzu (Japan) WS-KCPUE-89/11 Krill aggregation characteristics: spatial ...
Meeting
-
Estimating unaccounted fishing mortality in the Ross Sea region and Amundsen Sea (CCAMLR Subareas 88.1 and 88.2) bottom longline fisheries targeting Antarctic toothfish
. However, fish that are captured by fishing gear that is not subsequently retrieved are generally not ... unaccounted fishing mortality from lost lines in these fisheries is provided. These estimates suggest that on ... average 208 tonnes of Antarctic toothfish mortality may be unaccounted for annually. While the current ... estimates may be improved through the adoption of better data reporting practices, these estimates were ... loss rate within a spatial cell multiplied by the number of sets with positive hook loss in that cell ... be adjusted upwards to account for higher catch rates associ- ated with longer soak times. The L8 ... procedure. However, the 80% hook loss estimate cannot then be applied to all effort of that gear type as ... that would imply that 80% of all sets made in the fishery by that gear type were lost. With such high ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 17–30 : Auteur(s): Webber, D.N. and S.J. Parker
-
Fishery Report: Closed fishery for Dissostichus spp. (TOT) in Divisions 58.4.4a and 58.4.4b
limit in the range of 50 to 70 tonnes be considered for this research in 2013, and that the catch ... ................................................................ 8 Throughout this report the CCAMLR fishing season is represented by the year in which that ... recognition that high levels of illegal, unreported and unregulated (IUU) fishing for Dissostichus spp. in ... and the high levels of IUU fishing in that region (CCAMLR-XXI, paragraph 11.36). Consequently, the ...
Document : Site Section: Publications
-
Australia: Relevant references for the Patagonian toothfish (Dissostichus eleginoides) stock assessment in Division 58.5.2
., Constable A.J., Hibberd T. and R. Kilpatrick (2014) Demersal fishing interactions with marine benthos in the ... length-at-age data and a comparison of predicted with observed growth from mark–recapture data. Document ... , Australia. Punt A.E., Hilborn R. (2001) BAYES-SA - Bayesian Stock Assessment Methods in Fisheries - User’s ... Dissostichus eleginoides fitted with archival tags at Heard Island: preliminary results. Document WG-FSA-02/60 ...
Document : Site Section: Meetings
-
Non-native Species in the Antarctic: Report of a Workshop
therefore that the workshop outcomes be presented also to CCAMLR’s Scientific Committee. SC-CAMLR is invited ... that may need to be taken to minimize the risk of introducing invasive species as a result of ... species, but the continent and Southern Ocean can no longer be considered immune. More than 200 non-native ... activity, as well as a changing, more benign climate (particularly on the Antarctic Peninsula) mean that ...
Meeting Document : SC-CAMLR-XXV/BG/21 : Auteur(s): Delegation of New Zealand