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Scientific background document in support of the development of a CCAMLR MPA in the Weddell Sea (Antarctica) – Version 2017 – Reflection of the recommendations by WG-EMM-16 and SC-CAMLR-XXXV
separate cost layers for krill and toothfish) will be reported to the CCAMLR Working Groups in 2018. Author ... further work, in particular regarding the issues and questions raised at WG-EMM-16 and SC-CAMLR-XXXV. Here ... , including an update on the Antarctic toothfish habitat model. Chapter 3 provides a sensitivity analysis of ... the level of protection for Antarctic toothfish and other demersal fish that explores a range of ...
Meeting Document : SC-CAMLR-XXXVI/BG/28 : Autor(es): Delegation of Germany
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Preliminary results of a bottom trawl survey around Elephant Island in October and December 1987
differed significantly from that in previous seasons which argues for an exchange with C. gunnari from ... previous seasons which argues for an exchange with C. gunnari from other shelf areas of the Peninsula ... 1982/83, differed significantly from that in 1985 and 1986 arguing for an exchange with individuals ... ) '- 10 20 10 Figure 8: 10 20 30 Chaenocephalus aceratus Oct. [n-2163] - Dec. [n - 1135 ... ] Notothenia rossii marmorata Dec. [n - 291] 60 40 20 567 89101112 15 40 50 60 70 80 Total Length ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 185-200 : Autor(es): Kock, K.-H.
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SCAR-MARINE BIODIVERSITY INFORMATION NETWORK 2010 AND BEYOND
Change on its ecosystems, Antarctic marine biodiversity information has to be widely published ... , which aggregates the information on the web portal (90 datasets; 1,000,000 records). SCAR-MarBIN is ... (financial or in-kind), on an equitable basis, to sustain and further the services SCAR-MarBIN presently ...
Meeting Document : CCAMLR-XXVII/BG/35 : Autor(es): Delegation of Belgium
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Fisheries risks to the population viability of black petrel (Procellaria parkinsoni)
population. The mean age of first breeding for black petrel is estimated to be 6.7 y. Before this, new adults ... area. Once birds start breeding, their annual survival rate is 0.89, 80% breed each year, and of those ... spend an average of 1.2 y in the colony as pre-breeders, with only 3% skipping the pre-breeder phase. Of ... well determined because we can’t distinguish mortality from emigration (birds that breed in an area ...
Meeting Document : WG-SAM-10/P01 : Autor(es): R.I.C.C. Francis and E.A. Bell (New Zealand)
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Food consumption by predators in a CCAMLR integrated study region
/ Description: A detailed description of the structure and mode of operation of a model for estimating food ... Georgia Integrated Study Region and incorporates new features, allowing for seasonal variation in predator ... two breeding attempts in three years at South Georgia. Thus the estimation procedure is based on an ... character is assumed non-breeder). Blank Number of years to complete one activity cycle (e.g., 2 for ... activity cycle (365 for most species, 730 for species whose cycle lasts two years, and 1 095 for king ... . Columns 1-2 3-7 8 9-13 14 15-19 20 21-25 26 27-31 32 33-37 Contents Blank a or b for ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 489–519 : Autor(es): Croxall, J.P., C. Ricketts and A.G. Wood
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Using ecosystem monitoring data to detect impacts
impacted by activities such as fishing. This paper discusses a range of methods for inferring such impacts ... an observed value in an unimpacted system, or (ii) the frequency of values below a fixed reference ... within a few years of its onset, but a fixed reference point method could have provided this sustained ... probabilities of Type I and Type II error can be evaluated analytically for these methods, which facilitates ... : Method 4 with inference based on changes in frequency: the observed proportion of years in an n-year ... objectives for animal populations. Furthermore, the state of indicator populations cannot always be ... baseline PDF were then used to test for impacts in 20 more obser- vations drawn from the baseline period ... , represent- ing an ‘unimpacted’ population, and 20 observa- tions drawn from a distribution representing the ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 197–212 : Autor(es): Hill, S.L., J. Forcada, P.N. Trathan and C.M. Waluda
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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 ... Article II of the CCAMLR Convention. The criteria will depend on whether the main concern is with ... assessment. Suggestions are made for the provision of advice to the Commission for the finfish and krill ... 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 : Autor(es): 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 : Autor(es): 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 : Autor(es): 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 ...
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