Résultats de la recherche
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Expanding CCAMLR’s consideration of whales in science and management
significant advancements in the understanding of the status of whales, much of scientific and management ... relevance to CCAMLR. As CCAMLR works to progress management of the krill fishery and develops a network of ... the foraging needs of baleen whales including humpback, fin, sei, blue and minke whales in krill ... allow for the inclusion of whales in CEMP. • Assist in the collection and analysis of data to ...
Meeting Document : SC-CAMLR-38/BG/24 : Auteur(s): Submitted by ASOC
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DETECTION OF VULNERABLE MARINE ECOSYSTEMS IN THE SOUTHERN SCOTIA ARC (CCAMLR SUBAREAS 48.1 AND 48.2) THROUGH RESEARCH BOTTOM TRAWL SAMPLING AND UNDERWATER IMAGERY
Abstract: High densities of vulnerable marine ecosystem (VME) indicator taxa were encountered in ... were detected in most cases utilizing occurrence and abundance of VME indicator taxa in research bottom ... trawl samples, as well as by way of in situ observations with an underwater photographic/video imaging ... system. Using standardized densities of VME taxa from bottom trawl samples, we propose one possible ...
Meeting Document : WG-EMM-09/32 : Auteur(s): S.J. Lockhart and C.D. Jones (USA)
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INTERANNUAL SPATIAL VARIABILITY OF KRILL (EUPHAUSIA SUPERBA) INFLUENCES SEABIRD FORAGING BEHAVIOR NEAR ELEPHANT ISLAND, ANTARCTICA
Abstract: We investigate the influence of krill (principally Euphausia superba) patchiness on the ... foraging distributions of seabirds to understand how variation in krill influences patch dynamics between ... -transect surveys were used to map seabirds, and a combination of acoustic and net surveys was used to map ... krill. We measured patch size of krill and seabirds and elucidated how krill patch dynamics influence ...
Meeting Document : WG-EMM-08/P12 : Auteur(s): J.A. Santora, C.S. Reiss, A.M. Cossio and R.R. Veit
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Diet and prey consumption of Antarctic petrels Thalassoica antarctica at Svarthamaren, Dronning Maud Land and at sea outside the colony
Abstract: The diet of the Antarctic petrel Thalassoica antarctica was studied during two years at ... found in other diet studies. Estimates of food consumption for birds breeding at Svarthamaren (c ... . 250,000 pairs) indicate that the take approximately 6,600 tons of Crustaceans, 2,600 tons of fish and 485 ... tons of squid during the breeding season. Furthermore, their annual consumption is estimated to 34,800 ...
Meeting Document : WG-EMM-97/58 : Auteur(s): Røv, N., Lorentsen, S., Klages, N.
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Diet composition and observations on reproduction of Champsocephalus gunnari in Subarea 48.3 in March/April 1996, Dr Eduardo Holmberg survey
Abstract: The diet composition of the icefish Champsocephalus gumari caught in the Subarea 48.3 ... in March/April 1996 was analyzed using Frequency of occurrence (F%) and coefficient "Q" ... items, known as an important alternative food in years of krill scarcity, were ingested only ... higher than those reported for the 1991 and 1994 years of krill shortage. The analysis of the ovarian ...
Meeting Document : WG-FSA-96/28 Rev. 1 : Auteur(s): Marschoff, E., Barrera-Oro, E., Casaux, R.
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Fishing of the Patagonian toothfish (Dissostichus eleginoides) by the Chilean fleet (1991/92) in the Subarea 48.3 (South Georgia Island) and proposed TAC for the 1991/1993 season
Georgia Island). From the end of December 1991 until the closing of the fishery on the 10th March 1992 ... , the fleet caught around 80% of the TAC set for this subarea. The catch and effort data and the ... the location of the hauls two separate fishing grounds could be clearly distinguished: the first one ... at the north of South Georgia Island, including Black and Shag rocks, and the second one at the South ...
Meeting Document : WG-FSA-92/24 : Auteur(s): P.A. Espina, M.A. Araya and V.V. Meniconi (Chile)
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Sensitivity analysis identifies high influence sites for estimates of penguin krill consumption on the Antarctic Peninsula
models of standing krill biomass and the design of a sustainable krill fishery for the Scotia Sea ... . Antarctic krill (Euphausia superba) is a significant component of diet for penguins breeding in this region ... in krill predation estimates. We use a comprehensive database of Antarctic penguin abundances to ... of pygoscelid penguins breeding in this region. We find that a high quality survey of Zavodovski ...
Meeting Document : WG-EMM-12/P02 : Auteur(s): H.J. Lynch, N. Ratcliffe, J. Passmore, E. Foster and P. N. Trathan
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Further development of coarse- and medium-scale spatially explicit population dynamics operating models for Antarctic toothfish in the Ross Sea region
program allows implementation of an aggregate movement model for use with large numbers of areas as a ... mortality), as well as movement processes defined as the product of a set of preference functions that are ... based on known attributes of spatial location. The operating models considered were single sex age ... spawning (based on GSI data), CPUE, and tag-release and tag-recapture observations. Estimates of parameters ...
Meeting Document : WG-FSA-12/44 : Auteur(s): S. Mormede, A. Dunn, S. Parker and S. Hanchet (New Zealand)
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Results of the Spanish exploratory longline fishery for Dissostichus spp. in Divisions 58.4.1 and 58.4.2 in the 2013/14 season
year of the multi-year research survey in Divisions 58.4.1 and 58.4.2, the F/V Tronio has returned to ... 58.4.1D and 58.4.1C SSRUs. A prospective estimation of the local biomass (B LOC) of one localized area ... , together with the estimation of the total Biomass in the entire SSRU using a depletion model. There have ... abundance by tag-recapture models. The IEO is starting the process of reading otoliths with ageing purposes ...
Meeting Document : WG-SAM-14/12 Rev. 1 : Auteur(s): R. Sarralde, L.J. López-Abellán and S. Barreiro (Spain)
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Review of the South Orkney Islands Southern Shelf (MPA Planning Domain 1, Subarea 48.2)
in 2009 (CCAMLR-XXVIII paragraph 7.1; CM 91-03) with the objective of contributing towards the ... conservation of biodiversity in Subarea 48.2, and to the development of a representative system of protected ... areas across the Convention Area. At the time of its adoption, the Commission agreed to review CM 91-03 ... suggest that the grounds for protection of the South Orkney Islands Southern Shelf as described in CM 91 ...
Meeting Document : WG-EMM-14/26 : Auteur(s): Delegation of the European Union