Résultats de la recherche
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Change-in-ratio and index-removal methods for population assessment and their application to snow crab (Chionoecetes opilio)
crabs (Chionoecetes opillio) in St. Mary's Bay, Newfoundland, before and after the fishery, and to ... for fisheries studies. We also show how to combine the two approaches in a single estimator. It is ... necessary to sample the population before and after the fishery, and to determine the total harvest and its ... composition, in order to use these methods. We use the methods to estimate the population of legal-size snow ...
Meeting Document : WS-CRAB-93/10 : Auteur(s): X. Xu, E.G. Dawe and J.M. Hoenig (USA)
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e-sc-xi-a4.pdf
... 625 tonnes and 89% of the catch was taken in Subarea 48.2. No other Members reported monthly catches ... south as possible and, in a northerly direction, until no krill were found. The surveys in Subareas ... * ANON. 1980. BIOMASS Report No. 40. 17 had dispersed and the density was very low. The smaller ... results of acoustic surveys in the Prydz Bay region, undertaken by the Aurora Australis in January
application/pdf attached to:WG-KRILL-92Meeting Report : WG-KRILL-92
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Mapping Application for Penguin Populations and Projected Dynamics (MAPPPD)
Abstract: The attached paper, now in review, describes the Mapping Application for Penguin ... to assist scientists, non-governmental organizations, and policymakers working to meet the management ... objectives as set forth by CCAMLR and other components of the Antarctic Treaty system (i.e., Antarctic Treaty ... Consultative Meetings and the Antarctic Treaty Committee on Environmental Protection). The database underlying ...
Meeting Document : CCAMLR-XXXV/BG/15 : Auteur(s): Submitted by Oceanites, Inc.
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e-sc-xxxiii.pdf
... Scientific Committee noted that while there was no evidence for overcapacity in the current metrics provided ... 2009 in Admiralty Bay, when vessels fished in zones immediate to predator populations. The high number ... needed that there are no local impacts as the fishery expands towards the trigger level. For later ... SCIENTIFIC COMMITTEE FOR THE CONSERVATION OF ANTARCTIC MARINE LIVING RESOURCES
application/pdf attached to:SC-CAMLR-XXXIIIMeeting Report : SC-CAMLR-XXXIII
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e-sc-xxv-a5-appD.pdf
... estimate includes 235 birds in Subarea 58.6 and 2 352 birds in Division 58.5.1. For the first time no ... French EEZs and other areas, with no longline fishing conducted outside the EEZs during the summer ... fishery with 100% of tows observed. 402 26. No seabird mortalities were recorded in the trawl ... indicated that no bird-scaring devices were deployed but the mitigation measures used were in full
application/pdf attached to:WG-IMAF-06 ad hocMeeting Report : WG-IMAF-06 ad hoc
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Depth distribution and spawning pattern of Dissostichus eleginoides at South Georgia
eleginoides) were examined using data from approximately 7000 fish sampled by observers from the 1998 fishery ... around South Georgia and Shag Rocks (Subarea 48.3). D. eleginoides were distributed down the shelf slope ... ) and not by geographical position. Pre-spawning animals appear to be distributed all around the South ... water, and are concentrated to the northeast of Shag Rocks. Few spent fish were found around South ... has been no suggestion of a massive concentration of effort in one small area. However, the fishery ... , except that no restriction was placed on the depth range of a longline set. To increase sample size ... stage 3 animals which are mostly around the 800 m depth in April. There is no evidence of female ... - spawning. Although almost no sampling was possible on the northwest South Georgia shelf edge (Figure 7b ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 19–36 : Auteur(s): Agnew, D.J., L. Heaps, C. Jones, A. Watson, K. Berkieta and J. Pearce
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e-sc-xvi.pdf
... that it had made an official inquiry to Panama about the catch data for the 1997 split-year but no ... Convention Area. There is no routine mechanism for this information to be received within the normal ... . (15 tonnes) accounted for most of the by-catch. 6 Crabs 2.17 There was no fishery for crabs in ... the CCAMLR Convention Area in the 1996/97 season and no additional data on crabs have been reported
application/pdf attached to:SC-CAMLR-XVIMeeting Report : SC-CAMLR-XVI
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ADULT ANTARCTIC KRILL FEEDING AT ABYSSAL DEPTHS
the Southern Ocean, and a key species in the Antarctic food web. The Discovery Investigations in the ... early 20th century, coupled with subsequent work with both nets and echosounders, indicated that the ... bulk of the population of postlarval krill is typically confined to the top 150 m of the water column ... . Here, we report for the first time the existence of significant numbers of Antarctic krill feeding ...
Meeting Document : WG-EMM-08/P01 : Auteur(s): A. Clarke and P.A. Tyler
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e-sc-xxviii-a4.pdf
... Cumberland Bay, South Georgia (WG-EMM-09/28) and plans for a new site at Petermann Island on the Antarctic ... sites 3.12 The Working Group welcomed the establishment of a new CEMP monitoring site by the UK at ... banks. 2.24 No data were available to examine the spatial or temporal distribution of killer whales ... . 2.30 The Working Group noted that no data were submitted that would enable the proportion of predator
application/pdf attached to:WG-EMM-09Meeting Report : WG-EMM-09
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Soft-sediment macrozoobenthos from Domain 1 (Antarctica): A preliminary report using community parameters and proxies
Abstract: The present scientific report presents the analysis of a database compilation in order ... to describe the macrobenthic communities and geochemical proxies biogenic opal and total organic ... carbon (TOC) present on the seafloor of Domain 1. The soft sediment macrobenthic communities were ... analyzed from different approaches. We describe the macrobenthos by means of traditional parameters such as ...
Meeting Document : SC-CAMLR-XXXVI/BG/10 : Auteur(s): Delegation of Chile