Résultats de la recherche
-
Preliminary assessment of mackerel icefish Champsocephalus gunnari in Subarea 48.3 – Based on the 2019 Groundfish Survey
Abstract: A stratified bootstrap of icefish catch density based on the UK 2019 demersal fish ... survey catch rate data indicated a biomass of 53,124 tonnes (lower one sided 5th percentile: 32,399 ... CCAMLR harvest control rule lead to catch limits (TAC) of 3,225 tonnes for 2019/20 and 2,132 tonnes for ... 2020/21. Author(s): T. Earl Title: Preliminary assessment of mackerel icefish Champsocephalus gunnari ...
Meeting Document : WG-FSA-2019/30 : Auteur(s): T. Earl
-
ENVIRONMENTAL FORCING AND SOUTHERN OCEAN MARINE PREDATOR POPULATIONS: EFFECTS OF CLIMATE CHANGE AND VARIABILITY
various ways, including alterations to climate and weather patterns across a variety of time-scales that ... include changes to the long interdecadal background signals such as the development of the El Niño ... best predictor of biological responses over longer time-scales. Around the Southern Ocean, marine ... Atlantic, failure of Antarctic krill recruitment will inevitably foreshadow recruitment failures in a range ...
Meeting Document : WG-EMM-08/P06 : Auteur(s): P.N. Trathan, J. Forcada and E.J. Murphy
-
Distribution and abundance of larval fishes collected in the western Bransfield Strait region, 1986–87
types of net hauls. Gear differences, the restricted geographical coverage, and between year variability ... vicinity of Gerlache Strait and island shelf areas; larvae were infrequently collected in Drake Passage ... but low compared to that of Notothenia gibberifrons (0.12 mm day-1). Author(s): Delegation of USA ... Title: Distribution and abundance of larval fishes collected in the western Bransfield Strait region ...
Meeting Document : SC-CAMLR-VIII/BG/36 : Auteur(s): Delegation of USA
-
Comparison of age readings by two otolith preparation techniques and readers
in interpretation of otolith banding patterns. Results suggest broad agreement in ages determined by ... and in interpretation of the break and burn preparation method to warrant further coordination and ... . This experiment highlights the importance of monitoring and comparing ageing protocols within and ... paired age difference statistically equal to zero, overall CV less than 10%, and slope of regression ...
Meeting Document : WG-FSA-14/53 : Auteur(s): S.J. Parker (New Zealand), A.F. Petrov (Russia), C.P. Sutton (New Zealand) and E.N. Kuznetsova (Russia)
-
Antarctic krill; assessment of mesh size selectivity and escape mortality from trawls
(commenced in 2015) assessing size selectivity and escape mortality of Antarctic krill from trawl nets. The ... project is widely based on acquired experiences from a completed study Net Escapement of Antarctic krill ... offered free-of-charge by two Norwegian commercial fishing companies; Olympic Seafood AS and Aker ... size selectivity in the trawl body forward of the codend. Based on end results from the preceding ...
Meeting Document : WG-EMM-15/14 : Auteur(s): B.A. Krafft (Norway), L.A. Krag (Denmark), B. Herrmann, A. Engås, I. Bruheim and S. Nordrum (Norway)
-
A characterisation of the toothfish fishery in the Ross Sea region (Subarea 88.1 and SSRUs 88.2A–B) to 2016–17
and SSRUs 882AB) together with biological characteristics of the catch of Antarctic toothfish through ... driven by location of fishing. The strongest time trend in the data is the change in the sex ratio over ... . Because the areas open to fishing will change in 2018, with the implementation of the Ross Sea region ... Title: A characterisation of the toothfish fishery in the Ross Sea region (Subarea 88.1 and SSRUs 88.2A ...
Meeting Document : WG-FSA-17/07 : Auteur(s): S. Parker and S. Mormede
-
Comparison of krill density estimated with swarm-based and dB-difference method using acoustic data collected by Chinese fishing vessel participating in the 2019 Area 48 survey
Abstract: To address the effect of various identification methods on krill biomass estimates ... vessel F/V Fu Rong Hai during the 2019 Area 48 survey. Identification window of swarm-based template were ... ). Identification window of dB-difference method were set to [2 16] and [0.4 12] respectively. Distributions of ... conclusion. Author(s): X. Yu, X. Wang, J. Zhang and X. Zhao Title: Comparison of krill density estimated ...
Meeting Document : SG-ASAM-2019/06 : Auteur(s): X. Yu, X. Wang, J. Zhang and X. Zhao
-
CPUE values derived from Soviet fishery statistics as indicators of Antarctic krill density fluctuations in 1977–1991
Abstract: The average CPUE values, annual and calculated for the periods of 1977-1986 and 1986 ... fluctuations. Rather high stability of the values investigated is revealed. It is proposed that krill density ... of 170-200 g/m2 may be considered as an average characteristic value for the area 48. It was revealed ... G.N. Andrianov (Russia) Title: CPUE values derived from Soviet fishery statistics as indicators of ...
Meeting Document : WG-EMM-04/39 : Auteur(s): F.F. Litvinov, A.Z. Sundakov and G.N. Andrianov (Russia)
-
Report of Member’s activities in the Convention Area 1998/99
Author(s): Delegation of the Republic of Korea Title: Report of Member’s activities in the ...
Meeting Document : CCAMLR-XVIII/MA/17 : Auteur(s): Delegation of the Republic of Korea
-
First record of anti-Brucella antibodies in Arctocephalus gazella and Leptonychotes weddellii from Cape Shirreff, Livingston Island, Antarctica
Abstract: This paper describes the first detection of Brucella sp. antibodies in pinnipeds from ... sp. were detected with the RBT, the CFT and the c-ELISA in six of the seventeen samples involving the ... Northern hemisphere could be also present in the Antarctic territory. Author(s): Delegation of Chile Title ... : First record of anti-Brucella antibodies in Arctocephalus gazella and Leptonychotes weddellii from Cape ...
Meeting Document : SC-CAMLR-XVIII/BG/17 : Auteur(s): Delegation of Chile