Résultats de la recherche
-
Skate tagging in the Heard Island and McDonald Island (Division 58.5.2) toothfish fishery up to 2013
bycatches. A tagging program has operated in these fisheries since 2001 to learn more about the movement and ... biology of these species. In the 13 years, over 12,000 skates have been tagged, with 112 recaptures, a ... in all directions. Most recaptures occurred within the first three years, with the maximum time at ... from release to recapture, with B. irrasa tending to move in depth more than the other two species ...
Meeting Document : WG-FSA-13/22 : Auteur(s): G.B. Nowara, T.D. Lamb and D.C. Welsford (Australia)
-
Educational observer on board fishing vessels in Brazil
of fisheries and biology observer. The Educational Observer, that could be used as informal teacher ... fisheries. Settings were made in southeast Brazilian waters between May and August 2004. Daily working ... while on board. We believe seabird mortality rate due to incidental capture by fishing vessels can be ...
Meeting Document : SC-CAMLR-XXV/BG/20 : Auteur(s): Delegation of Brazil
-
Reports on abundance and biological information on toothfish in Divisions 58.4.4a and 58.4.4b by Shinsei Maru No. 3 in 2011/12 season
of size between the fish released with tag and that of overall catch was high (θ=81 %). Fish with ... CPUE in terms of weight in SSRU B (32.1 kg / km) was rather lower than that (50.5 kg / km) in the same ... SSRU in 2010/11. A total of 172 individuals of toothfish with good physical condition and single-hooked ... . Taki, T. Iwami, M. Kiyota and T. Ichii (Japan) Title: Reports on abundance and biological information ...
Meeting Document : WG-SAM-12/16 : Auteur(s): K. Taki, T. Iwami, M. Kiyota and T. Ichii (Japan)
-
Change in environmental conditions of the Southern Ocean observed by satellites and data-assimilating models between 1981 and 2019
model (VGPM); (6) estimates of mixed layer depth from the data-assimilating US Navy hindcast model HyCOM ... increasing sea-ice in the Weddell, Bellingshausen and Ross Seas; (6) deepening of the mixed-layer near the ... Polar Front, contrasting with shallowing in the Ross Sea region, and both increases and decreases in ...
Meeting Document : WG-EMM-2019/39 : Auteur(s): M. Pinkerton
-
Stock assessment of D. eleginoides in Subarea 48.3 using dynamic production models
mortality, age selectivity, recruitment estimates, mean weight at age) In the calculations with DPM (with ... describing interyear biomass dynamics (standardized catch per unit effort for 1986- 2001) and fishing effort ... estimates by years of fishing. Both models showed that the D. eleginoides stock status at the initial period ... in recent years. The trends in biomass dynamic estimated by DPM are very similar with trends from ...
Meeting Document : WG-FSA-02/78 : Auteur(s): P.S. Gasiukov and R.S. Dorovskich (Russia)
-
Assessment models for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea for the years 1997–98 to 2010–13
selectivity for the fishery in the North. We recommend model R2 be used to provide catch limits for the stock ... profiles suggest that the tag recapture data from the last few years tend to push the model toward a higher ... positive effect, and the new data weighting had no effect on model biomass. Sensitivity runs showed that ... cryptic biomass is not an issue for this stock assessment, and that the data from the sub-adult survey ...
Meeting Document : WG-FSA-13/51 : Auteur(s): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)
-
Allocation de ressources pour la réalisation de programmes de recherche dans l'AMP de la région de la mer de Ross : Commentaires et propositions
unclear how research catch limits in the MPA should be allocated. The Scientific Committee039;s current ... for assessment models of toothfish in the Ross Sea Region. Russia requests that the Scientific ... region MPA should not be deducted from catch limits for exploratory fishing outside the MPA. Author(s ...
Meeting Document : SC-CAMLR-38/12 : Auteur(s): Делегация Российской Федерации
-
Reflection Paper on a Proposal for a CCAMLR Weddell Sea Marine Protected Area (WSMPA)
Abstract: This paper follows-up on a number of consultations undertaken during 2015 with CCAMLR ... , especially on management and research and monitoring (R&M) measures before a WSMPA proposal could to be ... submitted to the CCAMLR039;s Commission and Scientific Committee for decision. To his end, the aim of the ...
Meeting Document : CCAMLR-XXXIV/BG/37 : Auteur(s): Delegation of the European Union and its Member States
-
A review and update of krill biomass trends in the South Shetland Islands, Antarctica, using the simplified stochastic wave born approximation
extremely low, and the population has aged, suggesting there has been little recruitment since 2000-2001 ... compared. Biomass estimates from the two algorithms are highly correlated (>0.95), with identical CV’s ... and CV’s. These data suggest that future development focus on better propagating error through levels ... of analysis, to better account for process and model error structure, now that a physically based ...
Meeting Document : WG-EMM-06/32 : Auteur(s): C.S. Reiss and A.M. Cossio (USA)
-
The relative impacts of Autolines and Spanish longlines on vulnerable marine ecosystems
bycatches and the amounts of positive bycatch decreased with depth, but we also found that the rate at which ... several Conservation Measures that limit bottom fishing and require data collection by fishing vessels ... Autolines and Spanish longlines on VME taxa. We found that the probabilities of observing positive ... positive bycatches decreased with depth was greater for Autolines than for Spanish longlines. Since we ...
Meeting Document : WG-FSA-12/27 : Auteur(s): T. Gerrodette and G. Watters (USA)