Résultats de la recherche
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Beyond MSY: a consideration of definitions of management objectives
/ Description: The concept of ‘Maximum Sustainable Yield’ (MSY) has provided a useful guideline for resource ... assessment. Suggestions are made for the provision of advice to the Commission for the finfish and krill ... Article II of the CCAMLR Convention. The criteria will depend on whether the main concern is with ... fishing practice, the distinction is an important one that exists for all fish except perhaps for a f~w ... curves are identical with the curves of (G-M)/R. For low age at first capture there is a clear ... recruit curve of Figure 2 for a high age at first capture does not reflect the behaviour of the total ... largest stock in the data series, the MNR for plaice being indeterminate but certainly less than 30 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 299-322 : Auteur(s): Gulland, J.A.
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Size compositions of males and females in the course of the life cycle of Euphausia superba
during the reproductive cycle. Information on size composition by sex is considered to be vital for an ... , using samples from different years. The observed variations were related to stages of krill maturity ... composition by sex is considered to be vital for an understanding of krill population structure. It is ... dates on which the reproductive cycle stages occurred. For this reason an analysis of the stages of ... ) will help researchers to develop an optimal sampling strategy for the subsequent thorough analysis of ... ..... ... %30~ ! \:'" ,,-00, '"1 '\ 64-38S 47-00E if 16~ ~ 13.1.84 ,,/ \ 16.1.84 166 I ...:---'\. \! 20 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 3–16 : Auteur(s): Makarov, R.R.
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The biology of the spiny icefish (Chaenodraco wilsoni Regan, 1914)
Antarctic Peninsula in the last 25- 30 years has been the spiny icefish Chaenodraco wilsoni Regan 1914. C ... attempts suggested a maximum age of about 8 – 10 years. Author(s): K.-H. Kock, L.V. Pshenichnov, C.D ... myctophids to some extent in other areas. Age determination still awaits validation. Preliminary ageing ...
Meeting Document : WG-FSA-07/P1 : Auteur(s): K.-H. Kock, L.V. Pshenichnov, C.D. Jones, J. Gröger and R. Riehl. (Polar Biol., 31 (3): 381–393 (2007))
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Chapter 4: Science
to 9.6) 2018 Scar Krill Action Group (SKAG) update and support for 2019 SKAG meeting (SC-CAMLR-XXXVII ... organisations, deliver an initial assessment of the status, trends and possible future trajectories of Antarctic ... marine living resources, and the interactions of fisheries with them. (paragraphs 30 to 32) Scientific ... Committee (2018) SC-CAMLR-XXXVII, paragraph 13.16. Generic recommendation needs to the reviewed in context ...
Page : Site Section: The Organisation
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The effects of monitoring procedures on Adélie penguins
loss. There was a slight reduction in return rates of birds banded for more than one season, but no ... incubation period resulted in increased foraging trip durations and reduced breeding success. Attachment for ... breeding seasons. The implications of these findings for the CCAMLR Ecosystem Monitoring Program are ... , failure of timid birds to return to the colony, or an inability to breed every year due to the energetic ... studies have shown an 8 to 25% lower annual return rate for three species of pygoscelid penguins banded ... returned to the colony as two-year-olds (1993/94 summer). Ainley et al. (1983) reported that 30% of all ... . Given a similar return rate for two-year-olds at Bechervaise Island, we can expect to detect up to 23 ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 155–164 : Auteur(s): Clarke, J. and K. Kerry
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WG-SAM-14
Union WG-SAM-14/20 Integrated models for Antarctic krill (Euphausia superba) using survey data from 1981 ... . Hanchet (New Zealand) WG-SAM-14/30 Calculating effective releases and recaptures for stock assessments ... Patagonian toothfish in research block C of Division 58.4.4, Ob & Lena Banks for the years 1989/1990 to ... mawsoni) in Subarea 88.2 SSRUs 88.2C–H for the years 2002–03 to 2012–13 S. Mormede, A. Dunn and S.M ...
Meeting
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CCAMLR-XXVIII
AUDITED FINANCIAL STATEMENTS FOR 2008 Executive Secretary CCAMLR-XXVIII/04 REVIEW OF THE 2009 BUDGET ... REVIEW OF CCAMLR TRANSLATION REQUIREMENTS Executive Secretary CCAMLR-XXVIII/11 ADDITIONAL SPACE FOR SCIC ... FOR DISSOSTICHUS SPP. IN THE 2009/10 SEASON Delegation of Argentina CCAMLR-XXVIII/20 NOTIFICATIONS OF ... AND PETRELS Submitted by ACAP CCAMLR-XXVIII/BG/20 FLAG STATE REPORT GENERAL MEASURE FOR THE CLOSURE OF ...
Meeting
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e-sc-xxviii-a9.pdf
... of gear each year, which is likely to be the case for IUU gillnet operations in the Convention Area ... conversion factors should be evaluated; (ii) the plans for future implementation of an accurate ... recording krill feeding observations (ii) an updated revised fish sampling protocol for krill fisheries ... . 3.15 The Technical Group thanked the Secretariat for preparing the draft review of the manual. 3.16
application/pdf attached to:TASO-09
Meeting Report : TASO-09
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Distribution of foraging by female Antarctic fur seals
around the island of South Georgia were an important indicator for the localisation of foraging. This ... Abstract: The study examined the distribution of critical habitat for foraging by female ... forage mainly within 100 km of the location at which the offspring was being raised. When this constraint ... develop a function that described the foraging distribution for the whole breeding population of females ...
Meeting Document : WG-EMM-03/38 : Auteur(s): I.L. Boyd, I.J. Staniland and A.R. Martin (United Kingdom)
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Effects of different harvesting strategies on the stock of Antarctic icefish Champsocephalus gunnari around South Georgia
Champsocephalus gunnari have been simulated for a period of 30 years. These were- diffierent levels of constant ... of the incoming year class. An increaseof F, however, should not occur before 4 years after a good ... years after a good recruitment,- pulse fishing at an interval of 3 years with no fishing in between;- a ... fishing mortality (F0.1, Fmax, 2xFmax),- harvesting contantly at 50%F0.1 with an increase of F 3 or 6 ...
Meeting Document : SC-CAMLR-VIII/BG/47 : Auteur(s): Delegation of Federal Republic of Germany