Résultats de la recherche
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Scientific observations in CCAMLR fisheries – past, present and future
observers on board fishing vessels has assumed prominence in the collection of essential data for fisheries ... standard catch and effort data supplied by vessels, the collection of data by scientifically qualified ... , coverage, changes in research priorities, volume of data collected and data usage. The advantages and ... Paper Title: Scientific observations in CCAMLR fisheries – past, present and future Abstract ... seabirds, and the Working Group on Fish Stock Assessment (WG-FSA) provides advice on biological data ... advice on the collection of krill data, the ad hoc Working Group on Incidental Mortality Arising from ... observers in longline and trawl fisheries. SST – sea-surface temperature. Data collected by observers ... observation on krill fi shing vessels has increased in the past three years. The observers collect data in ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 81–98 : Auteur(s): Sabourenkov, E.N. and E. Appleyard
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The ecosystem approach to managing fisheries: achieving conservation objectives for predators of fished species
fisheries, which do not weight input data for assessments, such as per-capita breeding success, according to ... Paper Title: The ecosystem approach to managing fisheries: achieving conservation objectives for ... predators of fished species Abstract / Description: Managing fisheries to achieve ecosystem objectives is ... for the recovery of depleted populations in food webs supporting fisheries. This paper addresses the ... ecosystem approaches t o managing fisheries, which do not weight input data for assessments, such as per ... krill, squid, and mesopelagic and bathypelagic fish may be difficult to predict. Reference Points ... document aborde diverses questions g6n6rales applicables 5 l'approche de la gestion des p&hes tenant ... dans le present document , peuvent @tre mis en relation directe avec les ef fets de la p@che. Ces ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 37–64 : Auteur(s): Constable, A.J
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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 ... estimates may be improved through the adoption of better data reporting practices, these estimates were ... (CCAMLR Subareas 88.1 and 88.2) bottom longline fisheries targeting Antarctic toothfish Abstract ... 88.2 Antarctic toothfish (Dissostichus mawsoni) fisheries is not currently known. A method to estimate ... the Ross Sea region and Subarea 88.2 fisheries. Data reporting for hooks lost attached to sec- tions ... fisheries where vessels routinely fish in conditions of partial or high ice cover. Estimating unaccounted ... .). The fate of fish hooked on lost lines is unknown. Lost gear is currently reported in order to evalu ... . Furthermore, bottom longline gear is expensive to replace and its loss is a cost to the fish- ing industry ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 17–30 : Auteur(s): Webber, D.N. and S.J. Parker
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Long-term observations from Antarctica demonstrate that mismatched scales of fisheries management and predator–prey interaction lead to erroneous conclusions about precaution
hierarchical model and 30+ years of monitoring data, we show that expected penguin performance was reduced when ... precaution Approval: Approved Secretariat Workflow Status: Content Approved Document Release Consent: No ... that can help conserve marine predators. Uncertainty about the impacts of fisheries removals on ... forage species, their predators, and fisheries interact can aid assessment of whether low catch limits ...
Meeting Document : WG-EMM-2019/11 : Auteur(s): G.M. Watters, J.T. Hinke and C.S. Reiss
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Assessment and tag program adaption methods for exploratory fisheries in the CAMLR Convention Area: an example application for Division 58.4.3a
accommodate mark–recapture data, catch (legal and illegal, unreported and unregulated (IUU)) and relative ... abundance data into an integrated assessment framework when more detailed data are not available – namely ... catch-at-length/age data and tagging data at-length/age. A simple algorithm, based upon the Petersen ... applied to the catch (legal and IUU) and mark–recapture data for Patagonian toothfish (Dissostichus ... data, catch (legal and illegal, unreported and unregulated (IUU)) and relative abundance data into an ... integrated assessment framework when more detailed data are not available – namely catch-at-length/age data ... and tagging data at-length/age. A simple algorithm, based upon the Petersen abundance estimator, is ... to the catch (legal and IUU) and mark– recapture data for Patagonian toothfish (Dissostichus ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 101–113 : Auteur(s): Hillary, R.M
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Some principles for fisheries regulation from an ecosystem perspective
Paper Title: Some principles for fisheries regulation from an ecosystem perspective Abstract ... regulation of fisheries from an ecosystem perspective, under the Convention for the Conservation of Antarctic ... . Comparison of fisheries control systems that utilize catch and effort data. Can. J. Fish. Aquat. Sci. 36 ... in the status of the system, or precluding unambiguous interpretation of the fisheries data, or ... REGLEMENTATION DE LA PECHE DU POINT DE VUE DE L'ECOSYSTEME W.K. de la Mare (Australie) Le present document ... advice for the Commission working from incomplete knowledge and uncertain data which does not admit to ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 323-339 : Auteur(s): de la Mare, W.K.
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Assessments of by-catch in trawl fisheries at Heard and McDonald Islands
model (GYM) used by the CCAMLR Working Group on Fish Stock Assessment (WG-FSA). Input data included ... biomass estimates from surveys in the region from 1990 to 1993 and a limited amount of biological data ... literature, for the same species from other areas, otherwise proximate data for similar species elsewhere in ... a high proportion of the catch (greater than 5%) when only small amounts of fish were caught (less ... model (GYM) used by the CCAMLR Working Group on Fish Stock Assessment (WG-FSA). Input data included ... . Barrowman. 1993. Summary of Worldzuide Spawner and Recrt~itment Data. Department of Fisheries and Oceans ... biomass estimates from surveys in the region from 1990 to 1993 and a limited amount of biological data ... literature, for the same species from other areas, otherwise proximate data for similar species elsewhere in ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 231–243 : Auteur(s): Constable, A.J., R. Williams and W.K. de la Mare
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A review of the effectiveness of streamer lines as a seabird by-catch mitigation technique in longline fisheries and CCAMLR streamer line requirements
light of a review of existing literature and available data on the effectiveness of single and paired ... technique in longline fisheries and CCAMLR streamer line requirements Abstract / Description: Based to a ... commonly prescribed, seabird mitigation device in world longline fisheries. This paper reviews CCAMLR ... existing literature and available data on the effectiveness of single and paired (or multiple) streamer ... prescrit. Ce document examine les conditions fi xées par la CCAMLR pour les lignes de banderoles (mesure ... end, literature and available data on the effectiveness of streamer lines in reducing seabird ... inconclusive, with the excep tion of Moreno et al. (1996). Based on a subset of data collected under ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 189–201 : Auteur(s): Melvin, E.F., B. Sullivan, G. Robertson and B. Wienecke
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Spatial distribution of predator/prey interactions in the Scotia Sea: implications for measuring predator/fisheries overlap
scales and arrives at contradictory conclusions. At-sea data from observations of krill predators during ... the CCAMLR 2000 krill survey were used to identify the areas of potential overlap with fisheries in ... distribution of predators, krill and krill fisheries and an effort-corrected index of relative abundance as a ... -linear decline. Krill fisheries operated at a scale of 150 km and almost all of this operation took place ...
Meeting Document : WG-EMM-02/14 : Auteur(s): K. Reid, M. Sims, R.W. White and K.W. Gillon (United Kingdom)
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Meta-analysis of catch reporting in CCAMLR exploratory fisheries
CCAMLR exploratory fisheries (as an update to WG-FSA-15/04 Rev. 1). The number of fish belonging to ... data reported in CCAMLR fisheries may include the development of a detailed manual on by-catch sampling ... target species divided by the total number of fish caught (the target catch ratio) is used as simple ... that were identified in 2015 remain apparent in the data. Measures to improve the quality of bycatch ...
Meeting Document : WG-FSA-18/14 : Auteur(s): CCAMLR Secretariat