Resultados de la búsqueda

1. Criteria for aging the otoliths of Dissostichus eleginoides from South Georgia (Subarea 48.3) and an analysis of aging precision

   fish, but C2 indicated that captured fish may be mostly young, between 3-9 years old. The low precision ...

   Meeting Document : WG-FSA-98/52 : Autor(es): J. Ashford (United Kingdom) and S. Wischniowski (Canada)

2. Is current management of the Antarctic krill fishery in the Atlantic sector of the Southern Ocean precautionary?

   conservative estimates of the regional biomass in recent years. This suggests that the trigger level would be ... subarea, derived from the subarea catch limit, appears to exceed this level in up to 20% of years due to ... <3% because annual catches have been <50% of the regional trigger level since 1991. The subarea ... (or “trigger level”), established in 1991, is 0.62 million tonnes year-1, equivalent to ~1% of the ...

   Meeting Document : WG-EMM-16/21 : Autor(es): S. Hill, A. Atkinson, C. Darby, S. Fielding, B. Krafft, O.R. Godø, G. Skaret, P. Trathan and J. Watkins

3. Learning about Antarctic krill from the fishery

   design associated with scientific surveys that have been obstacles for us to better understand krill ... early 1970s. Recent studies revealed its potential to be used as a unique source for scientific ...

   Meeting Document : WG-EMM-07/P5 : Autor(es): S. Kawaguchi and S. Nicol (Australia)

4. Learning about Antarctic krill from the fishery

   design associated with scientific surveys that have been obstacles for us to better understand krill ... early 1970s. Recent studies revealed its potential to be used as a unique source for scientific ...

   Meeting Document : WG-EMM-06/24 : Autor(es): S. Kawaguchi and S. Nicol (Australia)

5. El valor de los recursos marinos recolectados en el Área de la Convención de la CCRVMA: una evaluación del valor bruto de producto

   ).  In early 2016, noting specific direction from the Commission regarding additional consideration of ... considered appropriate in relation to the economics of harvests associated with CCAMLR fisheries. Author(s ...

   Meeting Document : CCAMLR-XXXV/10 : Autor(es): CCAMLR Secretariat

6. Interannual variability in Antarctic krill (Euphausia superba) density at South Georgia, Southern Ocean: 1997 – 2013

   , 2001-2003, 2005-2007) of high values (µ > 30 g m-2) interspersed with years (1999-2000, 2004, 2009 ... every 4 to 5 years. Cross correlation analyses of variability in krill density with current and lagged ... the WCB in that year. WCB krill density (µ, mean density for the area) showed several years (1997-8 ... g m-2) and its distribution was highly skewed with many zero observations. Within each survey the ...

   Meeting Document : WG-EMM-14/P04 : Autor(es): S. Fielding, J. Watkins, P. Trathan et al.

7. The efficacy of video-based electronic monitoring technology for at-sea monitoring of the halibut longline fishery

   between EM and observer was also evident with species utilization determination (i.e., kept or discarded ... using combined EM and observers on the same trip should occur in the ZN fishery to improve EM rockfish ...

   Meeting Document : WG-FSA-03/100

8. Assessment of the Patagonian Toothfish (D. eleginoides) in Subarea 48.3

   35 years with 50% probability, with less than 1% probability declining below 20% of B0 and would ... the current status of the stock is at 52% of B0. Spawning biomass has been increasing in recent years ... therefore be consistent with the CCAMLR decision rule. Author(s):  T. Earl, M. Soeffker and C. Darby (United ... . The 2008 year class is estimated to be well above average. Provisional projections indicate that a ...

   Meeting Document : WG-FSA-15/59 : Autor(es): T. Earl, M. Soeffker and C. Darby (United Kingdom)

9. Spatial overlap of krill-dependent predators and krill fishery catches and a proposal for subdivision of catch limits in Subarea 48.1

   might affect the distribution of fishing effort.  A comparison of CEMP parameters from two years with ... overlap in Area 48, with particular emphasis on Subarea 48.1. We used habitat utilization data for ... restricted to the last 5 years, since this time period emphasizes the shift toward autumn and winter fishing ... in Subarea 48.1. In general, overlap of summer and winter foraging habitats with krill catches in ...

   Meeting Document : WG-EMM-14/36 : Autor(es): J.T. Hinke, M.E. Goebel (USA), M.M. Santos (Argentina), P.N. Trathan (UK), W.Z. Trivelpiece and G.M. Watters (USA)

10. Flexible foraging strategies of gentoo penguins help buffer the impacts of inter-annual changes in prey availability

    Shetland Islands, Antarctica, over five years. Antarctic krill Euphausia superba was the primary diet item ... , and fish the secondary, though the importance of these items varied among years. Diving behavior also ... -rearing success remained relatively constant, indicating that gentoo penguins were able to cope with ... differences in prey availability by altering their foraging strategy among years. We suggest that this ...

    Meeting Document : WG-EMM-08/50 : Autor(es): A.K. Miller and W.Z. Trivelpiece (USA)

Páginas