Resultados de la búsqueda

1. 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 ... required that: (i) harvested populations should be assessed and monitored; (ii) ecological interactions ... of MSY arises from the need to account for interactions between exploited stocks and other species ... interactions are not only relevant to species at similar or lower trophic levels (i.e. ‘related species ...

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

2. A risk-management framework for avoiding significant adverse impacts of bottom fishing gear on Vulnerable Marine Ecosystems

   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 ... interactions between fishing activities and VMEs; impact of interactions on VMEs; and recovery potential of ... VMEs. (ii) Risk evaluation. Information on likelihood and consequences of interactions of bottom ... potentiels ; ampleur des interactions entre les activités de pêche et les VME ; impact des interactions sur ... associées issues de l’analyse du risque sont combinées pour produire des métriques. iii) Élimination ou ...

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

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

   . This paper examines some of the issues that need to be addressed by the Scientific Committee in ... kriU at the specified level cause the health of predator populations to decline below an acceptable ... level?". There are two issues that arise from this general question. First, the degree of change ... which interactions between different species needs to be considered (e.g., Murphy et al., 1988) there ...

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

4. Validation of sink rates of longlines measured using two different methods

   . Fenaughty and Smith (2001) described the method of deploying bottles and list a number Резюме Скорость ... were used. Bottles and TDRs were deployed on the third and fourth magazine to avoid measuring effects ... proper in the centre of a magazine. Recording the exact time a TDR entered the water was essential ... routine The method used in this study was based on Fenaughty and Smith (2001). In brief, to increase ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 179–187 : Autor(es): Wienecke, B. and G. Robertson

5. 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 ... Ecosystem Models (SC-CAMLR, 2005), paying particular attention to the interactions between the krill ... statistics were obtained from the public domain section of the CCAMLR website, and the fine-scale data were ...

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

6. Fitting Euphausia superba into Southern Ocean food-web models: a review of data sources and their limitations

   interactions with copepods (Atkinson et al., 1999; Hernández-Leon et al., 2001). The last decade, however ... (2000). They identified issues such as accuracy of estimates of krill biomass or numerical density ... International Scientific Observation (www.ccamlr.org), with further data also archived by fishery operators ... et al., 1999; Forcada et al., 2006, 2008; Hill et al., 2012; Boyd and Murray, 2001; Trivelpiece et ...

   Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 219–245 : Autor(es): A. Atkinson, S. Nicol, S. Kawaguchi, E. Pakhomov, L. Quetin, R. Ross, S. Hill, C. Reiss, V. Siegel, G. Tarling (submitted to the 2008 Joint CCAMLR-IWC Workshop)

7. A potential feedback approach to ecosystem-based management: Model Predictive Control of the Antarctic krill fishery

   Antarctic krill fisheries; to illustrate the elements of feed- back control strategies, and the issues that ... ’ section also assesses which variables it is necessary to measure in order to infer the state of the ... formulation of Constable’s (2001) multi-species model in Hill et al. (2006). It is modified to include ... Constable (2001), and harvesting and movement are represented with additive loss or gain terms. Hill ...

   Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 119–137 : Autor(es): Hill, S.L. and M. Cannon

8. The biology, ecology and development of fishery management advice for the anomuran crabs at South Georgia (CCAMLR Subarea 48.3)

   frequently caught species. The ecosystem interactions and function of all lithodids in the region remain ... frequently caught species. The ecosystem interactions and function of all lithodids in the region remain ... Patagonian toothfish (Dissostichus eleginoides) at South Georgia (Agnew et al., 2001). Laboratory studies ... 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) P. spinosissima and P ...

   Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 1–15 : Autor(es): Belchier, M., T. Peatman and J. Brown

9. Quantification of Southern Ocean phytoplankton biomass and primary productivity via satellite observations and biogeochemical models (submitted to the 2008 Joint CCAMLR-IWC Workshop)

   pigment 61%, n = 15 OCTS 9 August 1996 to July 1997 chlorophyll-a 21%, n = 17 SeaWiFS 9 September 1997 ... , including bet- ter understanding of the effect of temperature. In an attempt to avoid the issues of the ... Ocean, so they will not be discussed further. In the section that follows, the application of several ... in the late 1990s. Selph et al. (2001), based on observations well north of the Ross Sea relatively ...

   Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 247–265 : Autor(es): P.G. Strutton, N.S. Lovenduski, M. Mongin and R. Matear

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

    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 ... -economic, ecological and conservation issues. However, estimating the amount of resource depredated can be ... with depredation issues, these findings emphasise the critical importance for fishery managers and ... (negative and/or positive effects on depredating species) and conservation issues (impacts on depredated ... longline sets, taking into account spatial heteroge- neity of both the fish resource and the interactions ...

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

Páginas