Resultados de la búsqueda
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Formularios de datos y plantilla de informe de campaña para las pesquerías de arrastre de peces
Description / Abstract: Logbook data are collected by scientific observers participating in the ... required to complete a cruise report for their trip, detailing inter alia the type of scientific ... . Observers should complete all of the parts of the report that are relevant to the fishery in which the ...
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Formularios de datos y plantilla de informe de campaña para las pesquerías de arrastre de kril
Description / Abstract: Logbook data are collected by scientific observers participating in the ... required to complete a cruise report for their trip, detailing inter alia the type of scientific ... . Observers should complete all of the parts of the report that are relevant to the fishery in which the ...
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Diet and prey consumption of Antarctic petrels Thalassoica antarctica at Svarthamaren, Dronning Maud Land and at sea outside the colony
Svarthamaren, an inland colony situated in Dronning Maud Land, Antarctica and in the pack-ice outside ... %), followed by fish (29%) and squid (3%), whereas individuals collected in the pack ice took mostly fish (95 ... %), followed by Crustaceans (5%). The prey composition and length found in this study is comparable to what is ... found in other diet studies. Estimates of food consumption for birds breeding at Svarthamaren (c ...
Meeting Document : WG-EMM-97/58 : Autor(es): Røv, N., Lorentsen, S., Klages, N.
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Progress report on the plans for the Russian contribution for the CCAMLR Synoptic Survey
eastern and western sides of the South Sandwich Islands. The detailed survey plan has been produced in ... "Atlantida" provides a broad area coverage in Subarea 48.4 and meso-scale coverage along the ...
Meeting Document : SC-CAMLR-XVIII/BG/22 : Autor(es): Delegations of Russia and the United Kingdom
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Interactions between cetaceans and long-lining operations for Patagonian toothfish Dissostichus eleginoides around South Georgia
interactions of killer whales and sperm whales with longlining operations may be common in the South Atlantic ... and off southern Chile. Fishermen recognized that these interactions were costly in terms of fish and ... fishing time lost; the development of measures to reduce interactions may help prevent fishermen taking ...
Meeting Document : WG-IMALF-94/16 : Autor(es): J.R. Ashford (United Kingdom) and P.S. Rubilar (Chile)
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Formularios de datos y plantilla de informe de campaña para las pesquerías de palangre
Description / Abstract: Logbook data are collected by scientific observers participating in the ... complete a cruise report for their trip, detailing inter alia the type of scientific observations ...
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AMLR 2009/10 Field Season Report: objectives, accomplishments and conclusions
characterizing the waters around the South Shetland Islands indicate that several water masses converge in the ... Survey in the South Shetland Islands, acoustic estimates of krill biomass were the lowest seen since 2006 ... in length midway through the breeding season, and increased again toward the end of the season ... . Mortality of neonate fur seals increased compared to the prior year, and 69% of pups were lost to leopard ...
Meeting Document : WG-EMM-10/P12 : Autor(es): A. Van Cise (Editor)
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Line weights of constant mass (and sink rates) for Spanish system Patagonian toothfish longline vessels
with seabirds. The weights typically used are collections of rocks enclosed in netting bags. During ... fishing operations the netting bags abrade on the seabed causing rocks to be lost and the weights to ... the option of substituting steel weights for rock weights while remaining in compliance with the sink ... loss by toothed whales) were tested in the experiment. Spanish-system longlines with 8 kg rock weights ... snag on the seabed, potentially reducing the amount of gear lost in benthic habitats. This paper ... ) which lies in the eastern junction of the Beagle Channel and the South Atlantic Ocean. The vessel was ... the seabed and the amount of gear lost in benthic habitats. By virtue of their faster sink rates it ... collections of rocks enclosed in netting bags. During fishing operations the netting bags abrade on the ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 93–106 : Autor(es): Robertson, G., C.A. Moreno, E. Gutiérrez, S.G. Candy, E.F. Melvin and J.P. Seco Pon
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IDENTIFICATION OF DATA QUALITY METRICS FOR TAGGING DATA SELECTION
rates of recapture of tags released by the trip, and above-median tag recapture rates by the trip.A ... quality metrics may be most powerful in distinguishing the trips considered to have good tagging data ... . These include metrics for taxonomic resolution in the observer data, goodness of fit of catch data to ... Benford's Law, and the variation in toothfish catch rates.This reduced set of data quality metrics ...
Meeting Document : WG-SAM-09/19 : Autor(es): D.A.J. Middleton and A. Dunn (New Zealand)
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Beach debris survey – Main Bay, Bird Island, South Georgia, 2004/05
43% on the 361 items recorded in 2003/04 that corresponded to the highest levels of summer beach ... than the previous recording period with only 23% of the total number of debris items being collected in ... stable with 4.1135kg collected this year, whilst 5.3957 kg was gathered in 2003/04. For the second ... pieces in 1995/96. Over the same 15-year period packing bands are still regularly recovered from the ...
Meeting Document : SC-CAMLR-XXV/BG/12 : Autor(es): Delegation of the United Kingdom