Resultados de la búsqueda
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Target strength studies on Antarctic silverfish (Pleuragramma antarcticum) in the Ross Sea
continental slope and shelf of the Ross Sea at depths from 30 to 120 m, during the Italian expeditions of 1997 ... /98, 2000 and 2004. The regression lines for estimating TS from nine experiments were: TS 38 ... main contribution to the scattering for small fish is from soft tissues and for larger sizes from hard ... juvenile stages (size: 45–48 mm; age: second year), coinciding with an increase in lipid content in the ... , for (krb) ranging from 0.2 to 20 is similar to that of a high-pass filter, however, the non-linear ... accounts for over 90% of the echo energy (Foote, 1980a), and distributes the reflected sound more omni ... coefficient m has been found to be close to 20 for a great many fish species (e.g. backscattering is ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 75–104 : Autor(es): Azzali, M., I. Leonori, I. Biagiotti, A. De Felice, M. Angiolillo, M. Bottaro and M. Vacchi
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WG-FSA-02
List of documents WG-FSA-02/30 Progress report on attempts to conduct an experiment on the ... . Constable, R. Williams and T. Lamb (Australia) WG-FSA-02/71 An update on conversion factors for toothfish in ... documents Doc Number Title WG-FSA-02/1 Provisional and Annotated Provisional Agenda for the 2002 Meeting of ... Summary of an observation aboard a pot vessel operating in the Convention Area during the 2001/02 season ...
Meeting
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TARGET STRENGTH STUDIES ON ANTARCTIC SILVERFISH (PLEURAGRAMMA ANTARCTICUM) IN THE ROSS SEA
Antarctic Silverfish, ranging in length from 90 to 210 mm, by means of an underwater framework with a ... study may influence the result. For example, some authors suggested that freezing the fish reduce the ... over-all backscatter of 30% (Sun et al. 1985), others that TS measurements on living fish ex situ would ... place (Ona, 1990), making comparisons difficult. For those reasons theoretical models have been thought ...
Meeting Document : SG-ASAM-09/10 : Autor(es): M. Azzali, I. Leonori, I. Biagiotti, A. De Felice, M. Angiolillo, M. Bottaro and M. Vacchi (Italy)
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e-cc-xxv.pdf
... numbers over the past 20 to 30 years and that winter sea-ice conditions had opposite effects on these two ... Notifications for new and exploratory fisheries in 2006/07............................. 41 Review of potential ... Commission. Examination of audited Financial Statements for 2005 3.2 Noting that a review audit had been ... the CCAMLR website in the four official languages of CCAMLR. Review of budget for 2006 3.9 The
application/pdf attached to:CCAMLR-XXVMeeting Report : CCAMLR-XXV
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Quantification of Southern Ocean phytoplankton biomass and primary productivity via satellite observations and biogeochemical models (submitted to the 2008 Joint CCAMLR-IWC Workshop)
blooms is presented for the major provinces surrounding Antarctica. Some of the published information ... regarding phytoplankton species composition and succession is summarised. A review of ecosystem and ... biogeochemical models for the Southern Ocean is presented, with a focus on those models that have been validated ... /06, an interdis- ciplinary survey was conducted of East Antarctica (30°E to 80°E). The suite of ... blooms is presented for the major provinces surrounding Antarctica. Some of the published in- formation ... this review, the term ‘model’ is reserved for biogeochemical simulations, and ‘algorithm’ is used to ... ) data as input. Note the close match in the modelled and observed estimates for each of the six years ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 247–265 : Autor(es): P.G. Strutton, N.S. Lovenduski, M. Mongin and R. Matear
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Market-related measures
to address this recommendation. Secretariat’s proposal for the development of an integrated ... to address this recommendation. Secretariat’s proposal for the development of an integrated ... duties of its Members and Contracting Parties as Market States for Antarctic marine living resources ... implementation of Data Systems Management Review Recommendation P2 (Enterprise Data Model started in 2011) starts ...
Page : Site Section: The Organisation
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e-cc-xvii-a5.pdf
... trade statistics for Dissostichus spp. at a national level; and (ii) review of the matter at the next ... After minor modifications the Committee agreed that, for the time being, a new measure would retain an ... regarding the rationale for calculating costs of observers. Russia was of the opinion that an effective ... an action plan that would establish a comprehensive approach for the elimination of illegal
application/pdf attached to:SCOI-98Meeting Report : SCOI-98
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Effect of line sink rate on albatross mortality in the Patagonian toothfish longline fishery
fishery Abstract / Description: An experiment was conducted on autoline and Spanish-system longline ... . Sink rates to 4 m depth were greatest with 35 m (0.44 m/s) and 50 m (0.33 m/s) between weights. For ... /s should greatly reduce the incidental take of albatrosses. For autoline vessels with gear and line ... hooks in about 25 minutes and 17 280 hooks in about 90 minutes (plus deployment time for the 140 m ... -browed albatrosses) and white-chinned petrels for about 20 and 33 S respectively. At 200 m spacings ... sufficient deterrents for albatrosses (see below). The bird line on the In Sung 66 consisted of a single 80 ... . Longlining. Fishing News Books. Blackwell Science Ltd., UK. Brothers, N. 1995. An investigation into the ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 133–150 : Autor(es): Robertson, G.G
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WG-FSA-03
Zealand) WG-FSA-03/29 Review of small-scale research unit boundaries used for the assessment and ... /30 An examination of latitudinal variation in the growth rates of Antarctic toothfish (Dissostichus ... . Constable (Australia) WG-FSA-03/97 Progress on the application of an age-structured production model fitted ... using generalised linear models with random cruise and stratum-by-year effects: trawl fishery for ...
Meeting
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Fishery Report 2017: Dissostichus eleginoides Heard Island Australian EEZ (Division 58.5.2)
rate of ~20 mm per year, and a maximum age >20 years for B. eatonii, estimated from tag returns ... -sex, single-area, age-structured population model including age classes from 1 to 35 years. 20 ... effort amongst strata was revised in 2003, with an identical survey design for the years 2001–2002 ... proportions at age using commercial ALKs. Similarly to the survey data, initial ESS for all years and sub ...
Document : Site Section: Publications