Résultats de la recherche

1. CCAMLR ecosystem monitoring and a feedback management procedure for krill

   kriU at the specified level cause the health of predator populations to decline below an acceptable ... of interaction between Antarctic krill and the environment. In: SAHRHAGE, D. (Ed.). Antarctic Ocean ... . This paper examines some of the issues that need to be addressed by the Scientific Committee in ... level?". There are two issues that arise from this general question. First, the degree of change ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 345–350 : Auteur(s): Constable, A.J.

2. An overview of Southern Ocean zooplankton data: abundance, biomass, feeding and functional relationships (submitted to the 2008 Joint CCAMLR-IWC Workshop)

   in size structure and abundance. Other issues are specific to polar environments, for example, lipid ... ; Pasternak and Schnack-Schiel, 2001). A global analysis of copepod diets showed that ciliates comprise on ... ) and use of large seasonal lipid stores (Hagen et al., 2001). The larvae and post-larvae of E ... al., 2001). In years of low E. superba availability at South Georgia, they can act as an alternative ... copepods (Wada et al., 1987; Gurney et al., 2001; Stowasser et al., 2012). This is clearly not true and ...

   Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 171–218 : Auteur(s): A. Atkinson, P. Ward, B.P.V. Hunt, E.A. Pakhomov and G.W. Hosie

3. The sensitivity of multiple output statistics to input parameters in a krill–predator–fishery ecosystem dynamics model

   productivity, health, resilience and services. These objectives are also consistent with CCAMLR’s con ... , including one each for krill (productivity) and fishery performance (services) and two (health and ... abundance at beginning of fishing period. Krill Whole model Health (II.3(b) maintenance of the ... of krill, calculated within the model. (iii) Each taxon-specific health or resilience output ...

   Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 97–118 : Auteur(s): Hill, S.L. and J. Matthews

4. Antarctic krill and ecosystem management – from Seattle to Siena

   over 500 000 tonnes in 1982 and a total of 6.1 million tonnes being taken between 1973 and 2001 ... , 1998). From the ‘one-way’ interaction model developed (i.e. where fl uctuations in krill abundance ... de- velop ecosystem assessments as a means to obtain some indication of ‘ecosystem health’, taking ... required that: (i) harvested populations should be assessed and monitored; (ii) ecological interactions ...

   Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 175–212 : Auteur(s): Miller, D.G.M

5. 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 is ... potential VMEs; scale of interactions between fishing activities and VMEs; impact of interactions on VMEs ... interactions of bottom fishing gear with VMEs and associated uncertainties from risk analysis is combined to ... of uncertainty surrounding both the evidence of VME presence and the consequences of interaction ... process of interaction of VMEs with bottom fishing activi- ties. For temporal scale, the reciprocal of ... or longlines, for which very little information exists (Eno et al., 2001; Johnson, 2002; Troffe et ... , 2001; Barnes and Conlan, 2007; Teixidó et al., 2007). Risk evaluation Once the evidence of VMEs has ...

   Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 177–193 : Auteur(s): Martin-Smith, K

6. Comparison of two methods to assess fish losses due to depredation by killer whales and sperm whales on demersal longlines

   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 be especially challenging when ... addition to providing a methodology that could be used in other areas with depredation issues, these ... human–wildlife interaction over access to resources, which often includes a combination of socio ... odontocetes. Gasco et al. 2 Introduction Depredation is a human–wildlife interaction over resources ... tested with a simple linear regression. Results From 1 September 2003 to 31 August 2013, 7 467 ... focused targeting by orcas, which may increase the interaction rate and consequently the higher ...

   Science Journal Paper : CCAMLR Science, Volume 22 (CCAMLR Science, Volume 22) : 1–14 : Auteur(s): Gasco, N., P. Tixier, G. Duhamel and C. Guinet

7. 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 ... 2001/02, some catch was reported from APBSE and APBSW during the June–August period (mid-winter ... , operational timing has remained relatively constant in Subareas 48.2 (March–May) and 48.3 (June–August). In ... the Antarctic krill fishery (a: December–February; b: March–May; c: June– August; d: September ... often continued until the June–August period. Catches in this area have decreased slightly in recent ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 117–141 : Auteur(s): Kawaguchi, S., S. Nicol, K. Taki and M. Naganobu

8. Effect of line sink rate on albatross mortality in the Patagonian toothfish longline fishery

   magazine/hour. 50-100 kg anchors which sank the mother line quickly to target depths (thereby reducing ... dive recorders were made on the second magazine deployed in a set, a set usually involving eight ... 12 X 6.5 kg weights/magazine as described above. After four days fishing the CFL Pioneer caught in ... further behind the vessel) and weights were deployed every 70 m (i.e. 16 weights/magazine) on the ...

   Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 133–150 : Auteur(s): Robertson, G.G

9. Using ecosystem monitoring data to detect impacts

   average health or performance of individuals within indi- cator populations. Such parameters do not ... ; Constable, 2001). The CCAMLR Ecosystem Monitoring Program (CEMP) is intended to detect fisheries impacts ... the monitored predator (Reid and Croxall, 2001; Barlow et al., 2002; Reid et al., 2005). It has ... could be integrated into the manage- ment of krill fisheries (Constable, 2001, 2002), for example by ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 197–212 : Auteur(s): Hill, S.L., J. Forcada, P.N. Trathan and C.M. Waluda

10. Significant conservation benefits obtained from the use of a new fishing gear in the Chilean Patagonian toothfish fishery

    . 80 introduction The interaction between killer whales (Orcinus orca) and longline vessels is a ... Almagro Islands (15 594 pairs in 2001/02) (Lawton et al., 2003), the Evangelistas Islets (4 670 pairs in ... interaction, the predation rate of fish estimated by Hucke-Gaete et al. (2004) ranged between a maximum of 5 ... season for a vessel from the fleet for the last five years, from 2001 to 2005 using the Spanish longline ...

    Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 79–91 : Auteur(s): Moreno, C.A., R. Castro, L.J. Mújica and P. Reyes

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