Resultados de la búsqueda
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Food consumption by predators in a CCAMLR integrated study region
Paper Title: Food consumption by predators in a CCAMLR integrated study region Abstract ... / Description: A detailed description of the structure and mode of operation of a model for estimating food ... consumption of seabird predators is provided. This model is a development of earlier ones used in the South ... SC-CAMLR-IX/BG/16 FOOD CONSUMPTION BY PREDATORS IN A ... CCAMLR INTEGRATED STUDY REGION J.P. Croxall*, C. Ricketts** and A.G. Wood* * ** Abstract A ... detailed description of the structure and mode of operation of a model for estimating food consumption of ... seabird predators is provided. This model is a development of earlier ones used in the South Georgia ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 489–519 : Autor(es): Croxall, J.P., C. Ricketts and A.G. Wood
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A post-processing method to remove interference noise from acoustic data collected from Antarctic krill fishing vessels
Paper Title: A post-processing method to remove interference noise from acoustic data collected ... of the vessels. A simple method to remove significant interference noise was introduced based on ... the method was demonstrated by applying it to the acoustic data at 38, 70 and 120 kHz collected from a ... the utility of fishing-vessel-based acoustic data for a range of objectives. File: Wang et al.pdf ... Science, Vol. 23 (2016): 17–30 17 A post-processing method to remove interference noise from acoustic ... the acoustic instruments found on some of the vessels. A simple method to remove significant ... data at 38, 70 and 120 kHz collected from a Chinese krill fishing vessel. Results show that the ... . The method may provide opportunity to improve the utility of fishing-vessel-based acoustic data for a ...
Science Journal Paper : CCAMLR Science, Volume 23 (CCAMLR Science, Volume 23) : 17–30 : Autor(es): Wang, X., J. Zhang and X. Zhao
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A composite recruitment index to describe interannual changes in the population structure of Antarctic krill at South Georgia
Paper Title: A composite recruitment index to describe interannual changes in the population ... structure of Antarctic krill at South Georgia Abstract / Description: A composite recruitment index based ... substantial differences, due in part to bias arising from a large number of krill in just one of the station ... %), while between 1994 and 1998 the number of 1+ krill found in the population increased with a very ... CCAMLR Science, Vol. 6 (1999): 71-84 A COMPOSITE ... , Madingley Road Cambridge CB3 OET, United Kingdom Abstract A composite recruitment index based on ... differences, due in part to bias arising from a large number of krill in just one of the station net hauls ... %), while between 1994 and 1998 the number of l + krill found in the population increased with a very ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 71–84 : Autor(es): Watkins, J.L
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Diurnal variations in biological characteristics of krill, Euphausia superba Dana, to the west of the South Orkney Islands, 24 March to 18 June 1990 - based on data reported by a biologist-observer
, to the west of the South Orkney Islands, 24 March to 18 June 1990- based on data reported by a ... inside the fishing area. Each station consisted of a series of catches made using a standard commercial ... composition data obtained from standard surveys (only one sample of krill per station) is discussed. A gradual ... mortality of large specimens; (ii) body shrinkage of krill due to a decrease in food availability; and (iii ... 1990 - BASED ON DATA REPORTED BY A BIOLOGIST -OBSERVER A.V. Vagin, R.R. Makarov andL.L. Menshenina ... consisted of a series of catches made using a standard commercial trawl (9 to 12 tows per station, over ... (only one sample of krill per station) is discussed. A gradual decrease in the average size of krill ... ; (ii) body shrinkage of krill due to a decrease in food availability; and (iii) size selectivity of ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 201–222 : Autor(es): Vagin, A.V., R.R. Makarov and L.L. Menshenina
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Analysis of trends in Japanese krill fishery CPUE data, and its possible use as a krill abundance index
Paper Title: Analysis of trends in Japanese krill fishery CPUE data, and its possible use as a ... Japanese krill fishery for the 1980/81 to 2003/04 fishing seasons were analysed. For a number of ... . The results strongly suggest that the krill fishery in the South Georgia area is operating at a ... analysis the status of fishing in Subareas 48.1 and 48.2 was not clear. A linear correlation was observed ... . 12 (2005): 1–28 ANALYSIS OF TRENDS IN JAPANESE KRILL FISHERY CPUE DATA, AND ITS POSSIBLE USE AS A ... krill fi shery for the 1980/81 to 2003/04 fi shing seasons were analysed. For a number of defi nitions ... . The results strongly suggest that the krill fi shery in the South Georgia area is operating at a ... this analysis the status of fi shing in Subareas 48.1 and 48.2 was not clear. A linear correlation was ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 1–28 : Autor(es): Kawaguchi, S., S. Candy, S. Nicol, K. Taki and M. Naganobu
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The choice of procedure for deciding when to close fisheries regulated by CCAMLR: a simulation model
Paper Title: The choice of procedure for deciding when to close fisheries regulated by CCAMLR: a ... decisions is investigated under a variety of circumstances. The model described in the existing conservation ... measures is shown to have a high probability of allowing large over- or under-shoots of the TAC. The most ... conservation measures, methodologies for deciding the date of closure of fisheries should incorporate a ... TO CLOSE FISHERIES REGULATED BY CCAMLR: A SIMULATION MODEL DJ. Agnew* Abstract The methods ... the perfonnance of four models for making closure decisions is investigated under a variety of ... circumstances. The model described in the existing conservation measures is shown to have a high probability ... , methodologies for deciding the date of closure of fisheries should incorporate a formulation of Model 4, given ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 81–97 : Autor(es): Agnew, D.J.
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CCAMLR ecosystem monitoring and a feedback management procedure for krill
Paper Title: CCAMLR ecosystem monitoring and a feedback management procedure for krill Abstract ... / Description: The CCAMLR Ecosystem Monitoring Program has been developing a technique which might detect short ... Ecosystem Monitoring Program might be incorporated into a feedback management strategy for this fishery ... WG-KRILL/CEMP-92/4 CCAMLR ECOSYSTEM MONITORING AND A ... Program has been developing a technique which might detect short-term declines in land-based predator ... incorporated into a feedback management strategy for this fishery. Resume Le Programme de controle de ... podrfa detectar la reducci6n, a corto plazo, en el rendimiento de los depredadores terrestres (por ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 345–350 : Autor(es): Constable, A.J.
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Beyond MSY: a consideration of definitions of management objectives
Paper Title: Beyond MSY: a consideration of definitions of management objectives Abstract ... / Description: The concept of ‘Maximum Sustainable Yield’ (MSY) has provided a useful guideline for resource ... management under the assumptions of a simple population model and simple objectives. This paper explores ... - 299 - WG-CSD-87/12 BEYOND MSY : A CONSIDERATION OF ... DEFINITIONS OF MANAGEMENT OBJECTIVES J .A. Gulland (United Kingdom) Abstract The concept of "Maximum ... Sustainable Yield" (MSY) has provided a useful guideline for resource management under the assumptions of a ... "production maximale equilibree" (PME) a fourni un principe directeur utile pour l'amenagement des ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 299-322 : Autor(es): Gulland, J.A.
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Directed research. Antarctic Marine Living Resources (AMLR). A program development plan
Paper Title: Directed research. Antarctic Marine Living Resources (AMLR). A program development ... plan Abstract / Description: The US Antarctic Marine Living Resources (AMLR) Program is a national ... , among other things, that: “(A) The Director of the National Science Foundation, in consultation with the ... , shall design and conduct a program of directed scientific research coordinated with the United States ... MARINE LIVING RESOURCES (AMLR). A PROGRAM DEVELOPMENT PLAN Office of Science and Technology, NMFS ... (AMLR) Program is a national program providing information needed for U.S. policy regarding the ... under the CCAMLR. Section 312 of the Act directs, among other things, that "(A) The Director of the ... of State and the heads of other appropriate Federal agencies, shall design and conduct a program of ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 363-373 : Autor(es): Office of Science and Technology, NMFS, NOAA, US Department of Commerce (USA)
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A preliminary assessment of the stock of the ommastrephid squid Martialia hyadesi in the Scotia Sea based on data from predators
Paper Title: A preliminary assessment of the stock of the ommastrephid squid Martialia hyadesi in ... , and the other species may take at least a further 51 400 tonnes. M. hyadesi probably has a life span ... of two years and a circumpolar distribution, but its biology and ecology are still virtually unknown ... SC-CAMLR-IX/BG/13 A PRELIMINARY ASSESSMENT OF THE STOCK ... , 94% of which is taken by southern elephant seals, and the other species may take at least a further ... 51 400 tonnes. M. hyadesi probably has a life span of two years and a circumpolar distribution, but ... especes appartenant a deux familles: les Loliginidae et les Ommastrephidae. Les pecheries de cette ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 479–480 : Autor(es): Rodhouse, P.G.