Search results
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CCAMLR ecosystem monitoring and a feedback management procedure for krill
-Constable.pdf ... 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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An overview of Southern Ocean zooplankton data: abundance, biomass, feeding and functional relationships (submitted to the 2008 Joint CCAMLR-IWC Workshop)
and abundance. Other issues are specific to polar environments, for example, lipid storage which leads ... to myctophid fish and birds. File: Atkinson-et-al-zoo.pdf ... seasonal changes in size structure and abundance. Other issues are specific to polar environments ... and their pulsed reproduction causes great seasonal changes in size structure and abundance. Other issues ... ) and is included here for com- parison. The issue of sampling method is critical to solid and comparable data ... , 1995; Atkinson, 1998; Pasternak and Schnack-Schiel, 2001). A global analysis of copepod diets showed ... to which C. propinquus and smaller copepods interact with sea-ice is still unclear. Nauplii and early ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 171–218 : Author(s): A. Atkinson, P. Ward, B.P.V. Hunt, E.A. Pakhomov and G.W. Hosie
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The ecosystem approach to managing fisheries: achieving conservation objectives for predators of fished species
to establish management procedures based on these indices. File: 03constable.pdf ... CCAMLR Scier~ce, Vol . 8 (2001): 37-64 THE ECOSYSTEM ... . An important issue to be considered is whether ecosystem objectives can be met without kilowii~g, in detail ... and Switzer (1948). An important issue to resolve is how to manage the effects of fishing 011 predators when ... could be considered for achieving the conservation objectives? These questions address a core issue ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 37–64 : Author(s): Constable, A.J
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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 ... , fishery economics and/or conservation of odontocetes. File: Gasco et al.pdf ... 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
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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 ... in their implementation. File: 09martin-smith.pdf ... 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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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 ... in fishing techniques. File: 06kawaguchi-etal.pdf ... (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 ... –February; b: March–May; c: June– August; d: September–November). All the spread- sheet analyses were ...
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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The sensitivity of multiple output statistics to input parameters in a krill–predator–fishery ecosystem dynamics model
and Matthews.pdf ... ’. 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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Operational interactions of sperm whales and killer whales with the Patagonian toothfish industrial fishery off southern Chile
Paper Title: Operational interactions of sperm whales and killer whales with the Patagonian ... toothfish industrial fishery off southern Chile Abstract / Description: Interactions of sperm whales ... that no interactions were recorded in 153 (84%) of the effectively monitored sets, and that the mode and median ... with operational interactions involving depredation was US$92 684 (CI 95% US$47 302–153 745) for the whole fleet ... Investigación Pesquera), issued a call to develop a project to assess the problem of interactions between ... an exploratory trip undertaken during late 2001, suggesting that this issue does not pose a major threat ... (2004): 127–140 127 OPERATIONAL INTERACTIONS OF SPERM WHALES AND KILLER WHALES WITH THE PATAGONIAN ... Ecología y Evolución Universidad Austral de Chile Casilla 567, Valdivia, Chile Abstract Interactions ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 127–140 : Author(s): Hucke-Gaete, R., C.A. Moreno and J. Arata
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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 ... of discarding are likely to render the fishery commercially unviable. File: Belchier-et-al.pdf ... 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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Antarctic krill and ecosystem management – from Seattle to Siena
documenting developments during CCAMLR’s first 20 years of existence. File: 12miller.pdf ... 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