Search results
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The sensitivity of multiple output statistics to input parameters in a krill–predator–fishery ecosystem dynamics model
’. The model incorporates only ecosystem com- ponents and interactions considered directly important ... by McLeod and Leslie (2009): ecosystem productivity, health, resilience and services. These objectives ... performance (services) and two (health and resilience) for each of 33 SSMU- and taxon- specific predator ... abundance at beginning of fishing period. Krill Whole model Health (II.3(b) maintenance ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 97–118 : Author(s): Hill, S.L. and J. Matthews
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Determination of Antarctic krill acoustic back-scattering cross-section
Paper Title: Determination of Antarctic krill acoustic back-scattering cross-section Abstract ... -section of back-scattering of krill. The target strength can be determined in situ by measuring the echo ... to determine the acoustic cross-section of the back-scattering of krill. By experiments, the authors have ... obtained the dependence of the acoustic section of back-scattering of krill on its length at a frequency ... KRILL ACOUSTIC BACK-SCATTERING CROSS-SECTION V.A. Protaschuk and T.A. Lukashova (U.S.S.R.) Abstract ... -section of back-scattering of krill. The target strength can be determined in situ by measuring the echo ... to determine the acoustic cross-section of the back-scattering of krill. By experiments, the author~ have ... obtained the dependence of the acoustic section of back-scattering of krill on its length at a frequency ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 141-152 : Author(s): Protaschuk, V.A. and T.A. Lukashova
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A risk-management framework for avoiding significant adverse impacts of bottom fishing gear on Vulnerable Marine Ecosystems
presence and the consequences of interaction with different types of gear, a risk-management framework ... of potential VMEs; scale of interactions between fishing activities and VMEs; impact of interactions on VMEs ... of interactions of bottom fishing gear with VMEs and associated uncertainties from risk analysis is combined ... of uncertainty surrounding both the evidence of VME presence and the consequences of interaction with different ... d’interactions d’engins de pêche de fond avec des VME et les incertitudes associées issues de l’analyse du ... of uncertainty surrounding both the evidence of VME presence and the consequences of interaction with different ... of current and proposed fishing activities; evidence of potential VMEs; scale of interactions between ... fishing activities and VMEs; impact of interactions on VMEs; and recovery potential of VMEs. (ii) Risk ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 177–193 : Author(s): Martin-Smith, K
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Killer whale (Orcinus orca) and sperm whale (Physeter macrocephalus) interactions with longline vessels in the Patagonian toothfish fishery at South Georgia, South Atlantic
Paper Title: Killer whale (Orcinus orca) and sperm whale (Physeter macrocephalus) interactions ... / Description: Killer whale (Orcinus orca) and sperm whale (Physeter macrocephalus) interactions with longline ... , were present during 5% of haul observations. A high inter-vessel variation was noted for interactions ... showed that interactions occurred over a wide geographic range. These were mostly correlated ... of depredation Observers monitored 78% of hauls for marine mammal interactions during the 2001 and 2002 ... , 2001 and 2002 seasons. 119 Killer and sperm whale interactions with longline vessels whale ... interactions occurred with killer whales and sperm whales at South Georgia during the 2001 and 2002 seasons ... Table 5: The catch rates of toothfish in the 2001 season, for hauls during which interactions occurred ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 111–126 : Author(s): Purves, M.G., D.J. Agnew, E. Balguerías, C.A. Moreno and B. Watkins
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Fishing ground selection in the Antarctic krill fishery: trends in patterns across years, seasons and nations
remained relatively constant in Subareas 48.2 (March–May) and 48.3 (June–August). In 25 years of krill ... (March–May) and 48.3 (June–August). In 25 years of krill operations in Area 48, patterns ... catch. Interestingly, in 2001/02, some catch was reported from APBSE and APBSW during the June–August ... relatively constant in Subareas 48.2 (March–May) and 48.3 (June–August). In 25 years of krill operations ... particular attention to the interactions between the krill population, the krill fishery, krill predators ... section of the CCAMLR website, and the fine-scale data were obtained through the CCAMLR Secretariat ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 117–141 : Author(s): Kawaguchi, S., S. Nicol, K. Taki and M. Naganobu
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Antarctic krill and ecosystem management – from Seattle to Siena
000 tonnes in 1982 and a total of 6.1 million tonnes being taken between 1973 and 2001 (Figure ... should be assessed and monitored; (ii) ecological interactions between harvested and other species ... 2), an additional defi ciency in the application of MSY arises from the need to account for interactions between ... , 1986b). Thus, krill interactions are not only relevant to species at similar or lower trophic levels ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 175–212 : Author(s): Miller, D.G.M
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The biology, ecology and development of fishery management advice for the anomuran crabs at South Georgia (CCAMLR Subarea 48.3)
species. The ecosystem interactions and function of all lithodids in the region remain poorly understood ... the identification of the less frequently caught species. The ecosystem interactions and function of all lithodids ... species. The ecosystem interactions and function of all lithodids in the region remain poorly understood ... (Dissostichus eleginoides) at South Georgia (Agnew et al., 2001). Laboratory studies on adult growth ... Total catch (tonnes) July/August 1992 Pro Surveyor (USA) Paralomis sp. 299 September 1995–January ... 1996 American Champion (USA) P. spinosissima 497 August 1999 (14 days) Argos Helena (GBR ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 1–15 : Author(s): Belchier, M., T. Peatman and J. Brown
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CCAMLR ecosystem monitoring and a feedback management procedure for krill
the health of predator populations to decline below an acceptable level?". There are two issues that arise ... . This paper examines some of the issues that need to be addressed by the Scientific Committee in evaluating ... ) and the scale at which interactions between different species needs to be considered (e.g., Murphy et al., 1988 ... grounds, would need to be addressed. In summary, two important issues need to be addressed by WG-CEMP ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 345–350 : Author(s): Constable, A.J.
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The Patagonian toothfish (Dissostichus eleginoides) fishery in the Kerguelen Islands (Indian Ocean sector of the Southern Ocean)
of spawning, and movements between geographical sectors) on the adult section of the exploited population have ... sectors) on the adult section of the exploited population have been obtained from scientific observation ... of spawning, and movements between geographical sectors) on the adult section of the exploited population ... , having replaced the trawlers completely in 2001/02. Legal catches have been approximately 5 000 tonnes ... studied for a period ranging from March to August, as this period is thought to cover the spawning ... in each sample changes from one year to the other). results Trawling (1979 to 2001) The first model ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 1–25 : Author(s): Lord, C., G. Duhamel and P. Pruvost
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Comparison of two methods to assess fish losses due to depredation by killer whales and sperm whales on demersal longlines
and sperm whales on demersal longlines Abstract / Description: Depredation is a human–wildlife interaction ... and conservation issues. However, estimating the amount of resource depredated can be especially challenging when ... a methodology that could be used in other areas with depredation issues, these findings emphasise the critical ... Depredation is a human–wildlife interaction over access to resources, which often includes ... is a human–wildlife interaction over access to resources, which often includes a combination of socio ... -economic, ecological and conservation issues. However, estimating the amount of resource depredated can ... with depredation issues, these findings emphasise the critical importance for fishery managers and researchers ... . Gasco et al. 2 Introduction Depredation is a human–wildlife interaction over resources, which often ...
Science Journal Paper : CCAMLR Science, Volume 22 (CCAMLR Science, Volume 22) : 1–14 : Author(s): Gasco, N., P. Tixier, G. Duhamel and C. Guinet