Search results
-
Defining predator foraging ranges, illustrated using Adélie penguin foraging tracks from Mawson coast
these foraging ranges for the purposes of small-scale management units may need to be examined in three ... outside of the specified pooled foraging ranges. If this makes those species vulnerable in the management ... taking into account interannual variation in foraging locations? This paper considers the issues to be ... addressed in answering that question. The proposed method for defining foraging ranges is based on an ...
Meeting Document : WG-EMM-02/41 : Author(s): I.R. Ball, A.J. Constable, J. Clarke and L. Emmerson (Australia)
-
Standardisation of commercial CPUE
Abstract: This paper reports analysis of CPUE data on cod in the Barents Sea. The potential of ... vessel trawling operations take place at acceptable proximity in time and space. The methodological ... approach might be of interest for the longline fishery for tothfish as well as for the trawl fishery on ... krill. A model for standardisation of fishing power for individual vessels in a commercial fishing fleet ...
Meeting Document : WG-SAM-15/P01 : Author(s): A. Salthaug and O.R. Godø
-
Considerations about managing the krill fishery at small spatial and temporal scales
Abstract: We discuss a number of ecological issues in relation to CCAMLR’s aspiration for ... managing the krill fishery at small temporal and spatial scales. We highlight that the devil is in the ... closed coastal buffers will alter the potential levels of catch displacement, and therefore highlights ... the need for coupled research to ensure fishery displacement does not become too concentrated in other ...
Meeting Document : WG-EMM-2019/22 : Author(s): P.N. Trathan, V. Warwick-Evans and E. Young
-
Some thoughts on the CCAMLR risk assessment for seabird–fishery interactions
these zones is undertaken, resulting in a dynamic system of assessment and response by the CCAMLR ... Abstract: The CCAMLR system for assessing risk of fisheries mortalities to seabirds has been ... waters of the CCAMLR convention area. Annual review of the information by used CCAMLR Working Group on ... Incidental Mortality Associated with Fishing for the assessments of risk, and performance of fisheries within ...
Meeting Document : WG-FSA-06/33 : Author(s): S. Waugh (New Zealand)
-
Human activity and disturbance: building an Antarctic site inventory
Abstract: There have been numerous human intrusions in the Antarctic Peninsula and west of the ... of trips being offered. In this context, the soon-to-be-effective Antarctic Environmental Protocol is ... a database and inventory of information that assists in both the preparation and the evaluation of ... Peninsula. The region is where many Antarctic research stations are situated, and also where the bulk of ...
Meeting Document : WG-EMM-98/09 : Author(s): R. Naveen, Oceanites (USA)
-
Large-scale oceanographic fluctuations drive Antarctic petrel survival and reproduction
predict variation in the demographic parameters of Antarctic seabirds. First, we used a long-term dataset ... that most of the variation in both reproductive success, timing of hatching, and survival of Antarctic ... petrels can be accurately modeled using the two modes of large-scale climate variability in Antarctica. e ... in the global patterns of climatic variability will generally have detrimental e ects on populations ...
Meeting Document : WG-EMM-16/P14 : Author(s): S. Descamps, A. Tarroux, S.-H. Lorentsen, O.P. Love, Ø. Varpe and N.G. Yoccoz
-
CCAMLR Survey Database: development during 2002
Catch Documentation Scheme. Work on the survey database in 2002 included: • revision of the database ... Abstract: Considerable progress was made on the survey database in early 2002. However, this work ... had to be postponed because of a higher priority need for developing a web-based data system for the ... model; • documentation of the database specifications; • development of data uploading routines ...
Meeting Document : WG-FSA-02/10 : Author(s): Secretariat
-
Marine pollutants and fishing gear associated with seabirds at sub Antarctic Marion Island, 1996–1998: trends in relation to longline fishing activity
toothfish in blastfreezers and 23 toothfish hooks were found. All the rope nooses, and 19 of the-books were ... Abstract: Pollutants found in association with seabirds at subantarctic Marion Island for the ... found during the second year. This increase in fishing gear from 1996/97 to 1997/98 is interesting in ... view of the fact that the large influx of illegal toothfish vessels to the Prince Edward Islands waters ...
Meeting Document : CCAMLR-XVII/BG/26 : Author(s): Delegation of South Africa
-
AMLR Hydroacoustic Survey System Description of Methods, A Case Study
Abstract: The AMLR hydroacoustic system used for surveys in the vicinity of Elephant Island and ... ensures data integrity and repeatability of analytic results. The variability inherent in the distribution ... King George Island during 1987-1989 has hardware and software components. The method of analysis ... proceeds from the basic integration data (lm bins by 1min outputs) to the stratification of these data into ...
Meeting Document : WG-KRILL-89/10 : Author(s): M.C. Macaulay (USA)
-
Observation on the interactions between marine mammals and mid-water krill trawl
conducted visually with the aid of a SLR Camera and a Marine Binocular. Sea surface observation in Subarea ... from late July to August then decreased in September, and over 85% of the fur seals was observed ... 48.3 showed that the number of fur seal (Arctocephalus gazelle) around the fishing vessel increased ... chasing the trawl behind the codend during retrieving of the net. Although large number of Antarctic fur ...
Meeting Document : WG-FSA-2019/60 : Author(s): Y. Ying, G. Fan, X. Zhao, J. Zhang, X. Wang and J. Zhu