SC-CAMLR-XXVI

This paper presents a revised analysis of krill biomass for Division 58.4.2 using data from the 2006 Australian survey and based on the most recent advice from WG-EMM.

A new move-on rule was introduced in Conservation Measure 33-03 at CCAMLR-XXIV regarding the by-catch limit of new and exploratory fisheries. This move-on rule requires fishing to cease when the catch of Macrourus spp. by a single vessel exceeds 16% of its Dissostichus spp. catch in any two 10-day periods in a single SSRU (CM 33-03 paragraph 5). The interval of the “10-day period” was Read More
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The main objective of this research is to collect various biological and physical data on Dissostichus spp. in Divisions 58.4.4a and 58.4.4b which is important information for assessing the status of these stocks. No information related to recent stock size exists in this area due to the prohibition of direct fishing since 2002. It has been five years since this prohibition, and it is of Read More
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This paper considers the relationship between bottom fisheries, benthic habitats and related ecosystems and what steps need to be taken to ensure that destructive fishing practices are eliminated in the CCAMLR Area. It defines “destructive fishing practices” and proposes a process for addressing these issues, including (i) methods for evaluating the interactions between bottom fisheries and Read More
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At CCAMLR-XXV, the Scientific Committee noted that the implementation of the observer program and the application of observer requirements could be improved by adopting a standard approach to education and training for observers in these fisheries (SC-CAMLR-XXV, paragraph 2.11). A review of current levels of education and training for observers was undertaken by the Secretariat. Information Read More
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The current status of national programmes on monitoring of marine debris and their impact on marine mammals and seabirds in the Convention Area has been reviewed. The CCAMLR Marine Debris Database contains data from 13 sites, most within Area 48. There are 4 active sites that have data for more than 3 consecutive years, these are: Bird Island, (South Georgia); Signy Island, (South Orkney Read More
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During the sixteenth year of standardised beach surveys of man-made debris at Bird Island, South Georgia, a total of 544 items were collected, the highest number of debris collected since 1995/96. Compared to the previous recording period, 170% more items were collected during winter and 101% more during summer, a mass increase of 1.19kg overall (29%). For the third consecutive year, nylon Read More
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Results of the survey of entanglements of Antarctic fur seals at Bird Island, South Georgia for the 17th consecutive winter (2006) and 19th consecutive summer (2006/07) are reported here. A total of 41 winter entanglements were observed in the reporting period compared to 2 observed in the previous winter. This is the second highest winter total since records began in 1990 (the highest was in Read More
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This report describes and quantifies occurrences of fishing gear, marine debris and oil associated with seabirds at Bird Island, South Georgia from 1 April 2006 to 31 March 2007. It is the fourteenth such annual report. As in previous years, more items of marine debris and fishing gear (mostly longline fishing gear) were found in association with wandering albatrosses than with any other Read More
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During the 2006/07 austral summer the seventeenth annual beach debris survey was carried out at Signy Island, South Orkney Islands. Debris was cleared each month between December and March from the three study beaches. The debris was counted, measured and classified by type, material, mass and size categories. A total of 50 items weighing 7.6 kg were collected. The number of items found was Read More
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The results of the eleventh annual survey of entanglement of Antarctic fur seals at Signy Island, South Orkney Islands are reported for the 2006/2007 summer season. There was 1 sighting of a seal wearing a neck collar of man-made debris. Data are compared with results from a parallel study undertaken at Bird Island, South Georgia in 2006/07.

Incidental mortality has diminished considerably in comparison with the period from 2001 to 2003 (Delord et al, 2004).
During the 2003/04, 2004/05 and 2005/06 fishing seasons the incidental mortality of seabirds was reduced by approximately half each year.
A multivariate analysis has revealed that the incidental catch of white-chinned petrels and grey petrels is caused by a complex set Read More
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This study reviews the impact of longline fishing on populations of white-chinned petrels and grey petrels from 2004 to 2006 at Crozet and Kerguelen (58.6 and 58.5.1 respectively).
It shows that the population of white-chinned petrels at Possession Island (Crozet) decreased sharply between 1983 and 2004, with the main cause being changes in environmental variables. Nevertheless, the Read More
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Selection criteria have been widely advocated as a tool to assist in the identification of marine protected areas (MPAs) worldwide (e.g. Kelleher, 1999; Roberts et al., 2003; CBD, 2006). The application of selection criteria can assist in evaluating candidate sites, prioritising areas that merit protection, and determining the appropriate design and boundaries for selected areas. While they do Read More
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Presented research on feeding and the dietary structure by species of minke whales, conducted on board the whaling fleet Sovietskaya Ukraina during the 1982/83 - 1985/86 seasons. Whaling was conducted in all four seasons. There have been no noticeable increase of the population size of large whales over the years after the cessation of whaling. The role of a short and profitable from the Read More
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Antarctic krill (Euphausia superba) is one of the largest marine resources of animal origin protein on the planet. Krill is the key element of the Antarctic Region ecosystem. Construction of modern vessels for krill fisheries and processing is foreseen anyway; introduction of new technologies on krill catch and resulting products, such as krill oil, hidrolizates, astaxanthine-related Read More
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Publicly available bathymetry and geophysical data can be used to map geomorphic features of the Antarctic continental margin and adjoining ocean basins at scales of 1:1-5 million. The geomorphic features identified and their properties can be related to major habitat characteristics such as sea floor type (hard versus soft), ice keel scouring, sediment deposition or erosion and current Read More
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At the CCAMLR Bioregionalisation Workshop, 13-17 August 2007, it was agreed that physical variables could be used to produce primary physical regionalisations of the Southern Ocean and that benthic and pelagic zones should be considered separately. This paper provides a description of the process and results of the primary benthic regionalisation completed at the Workshop and subsequent Read More
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A collaborative project between Australian industry, the Australian Antarctic Division (AAD), Australian Fisheries Management Authority (AFMA), and the Fisheries Research and Development Corporation has been established to investigate the interactions between demersal fishing gears targeting Dissostichus spp. with marine benthos in the Australian EEZ of the Southern Ocean. Key outcomes of this Read More
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