Resultados de la búsqueda

1. Abundance of Patagonian toothfish (D. eleginoides) at Macquarie Island estimated from tagging studies during 1995/96 fishing season

   presents an analysis of a tag-recapture experiment carried during the Macquarie Island fishery for this ... species during the 1995-96 season. Simple population and tag accumulation models are used to account for ... the tags being released at various times throughout the season, and the effects of the removals by ... obtained for the pre-fishing abundance of the population in the season of 996 000 fish. However, this is ...

   Meeting Document : WG-FSA-96/39 : Autor(es): de la Mare, W., Williams, R.

2. Beach debris surveys - Prince Edward Islands, 1993 to 1995

   Abstract:  Beach debris surveys conducted at the South African Prince Edward Islands are reported ... for the years 1993/1994 and 1994/1995, the latter period following the CCAMLR standard method for ... surveys of beached debris within the Convention area. Most non-wooden artefacts were plastic. Fishing ... floats and other fishing gear formed a variable proportion of the items surveyed. Artefacts that could be ...

   Meeting Document : CCAMLR-XIV/BG/14 : Autor(es): Delegation of South Africa

3. Marine debris and fishing gear associated with seabirds at Bird Island, South Georgia, 1994/95

   Abstract:  This report describes and quantifies the occurrence of marine debris and fishing gear ... associated with seabirds in the same way as in 1993/1994. In 1994/1995 there was a decrease in both the ... , the decrease is due at least in part to, first, fewer birds examined than last year as a consequence ... of the very low breeding numbers of mollymawks at Bird Island in 1994/1995 and, second, because the ...

   Meeting Document : SC-CAMLR-XIV/BG/09 : Autor(es): Delegation of the United Kingdom

4. WG-FSA-SAM-05

   WG-FSA-SAM-05/1 Agenda WG-FSA-SAM-05/10 Descriptive analysis of the Antarctic toothfish (Dissostichus ... mawsoni) tagging scheme in the Ross Sea for the years 1997/98 to 2003/04 A. Dunn, S.M. Hanchet and K ... . Maxwell (New Zealand) WG-FSA-SAM-05/11 Computer program for the calculation and validation of Verhoeff ... of an Antarctic toothfish (Dissostichus mawsoni) stock model for the Ross Sea A. Dunn, D.J. Gilbert ...

   Meeting

5. Setting management goals using information from predators

   be set for higher trophic levels – such as marine mammals, birds and fish. It briefly explores the ... general characteristics of objectives for higher trophic levels within the context of ecosystem-based ... management, noting that the emphasis for managing the effects of human activities on higher trophic levels is ... biased towards fisheries-based approaches rather than approaches that take into account the maintenance ...

   Meeting Document : WG-EMM-07/P7 : Autor(es): A. Constable (Australia)

6. Estimates of bird by-catch by IUU vessels in Subarea 48.3, 1998–2001

   Abstract:  Estimates of bird catches by IUU fishing made using the new method presented by Agnew ... and Kirkwood last year (WG-FSA-02/4 & 5) are updated to take account of the comments of the ... working group. Last year we suggested that the Isabel data from 1997 were rather atypical of bird catch ... rates in the illegal fishery, and that these were more likely to be similar to the bird catch rates made ...

   Meeting Document : WG-FSA-03/56 : Autor(es): D.J. Agnew (United Kingdom)

7. Estimating penguin populations using image analysis of colour aerial photography

   Abstract:  Penguin populations are potentially sensitive indicators of change in the Antarctic and ... sub-Antarctic and are used extensively to monitor changes in the marine ecosystem. Aerial photographic ... surveys may provide the most robust method for estimating breeding population size, particularly for large ... carried out manually by counting individual birds on highly magnified prints. Here we present the results ...

   Meeting Document : WG-EMM-02/34 Text : Autor(es): P.N. Trathan (United Kingdom)

8. CCAMLR’s next steps to stop IUU fishing

   Abstract:  Illegal, unreported and unregulated (IUU) fishing continues to be a problem in the ... Convention Area, undermining the intrinsic values of CCAMLR and of the Antarctic Treaty. In spite of the ... CCAMLR Members can take individually and collectively to eliminate IUU fishing in the CCAMLR Area. At ... for the effective implementation of those enhanced port State measures by developing countries. At the ...

   Meeting Document : CCAMLR-XXX/BG/22 : Autor(es): Submitted by ASOC

9. ANALYSIS OF ROSS SEA TAGGING AND RECAPTURE RATES

   year and recapture year for tags released and recaptured in the same SSRUs on the slope of 88.1 was ... compiled for the years 2003-2006. Recapture rate was expressed as tags captured/tags released/fish scanned ... (caught), all in numbers. 2. The overall size of the dataset was 734 combinations of release year ... has not been consistent enough between nations to allow the analysis to be definitive. In many cases ...

   Meeting Document : WG-SAM-08/07 : Autor(es): D.J. Agnew (UK)

10. Assessment of escape mortality of Antarctic krill (Euphausia superba) in trawls

    Abstract:  The overall purpose of this study was to estimate the mortality rate of Antarctic krill ... (Euphausia superba) that escape from the most common mesh size used in the current commercial fishery. The ... experiment was carried out on the krill fishing grounds off South Orkney Islands (60°35’S, 45°30’W), during ... January-February 2014. The method applied consisted of a covered trawl codend system for retaining ...

    Meeting Document : WG-EMM-14/14 : Autor(es): B.A. Krafft (Norway) and L.A. Krag (Denmark)

Páginas