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1. Biological characteristics of Antarctic fish stocks in the Southern Scotia Arc region

   final maturation of the gonads takes one year or more whereas in others gonad maturation is completed ... within one season. Length at sexual maturity and length at first spawning in C. gunnari is one year later ... to 1989/90, with its heydays from 1977/78 to 1981/82. Except for Elephant Island, the state of fish ... catches in the first four years of the fishery and the possibility to sample these catches extensively ...

   Meeting Document : WG-FSA-99/16 : Автор(ы): K.-H. Kock (Germany), C. Jones (USA) and S. Wilhelms (Germany)

2. Evaluating the impact of multi-year research catch limits on overfished toothfish populations

   assessed in this study indicate that, where a stock has been depleted to at or below 20% of the median ... Paper Title:  Evaluating the impact of multi-year research catch limits on overfished toothfish ... (t ) 0 20 40 60 80 0 1 2 3 4 hof 0 20 40 60 80 0 1 2 3 4 Year S pa w ni ng B io m as ... m as s x 1 03 (t ) 0 20 40 60 80 0 1 2 3 4 hof 0 20 40 60 80 0 1 2 3 4 Year S pa w ... ) Parameter set 1 945 10% 0, 15, 30, 45, 60, 75, 90 As per Table 1 2 893 15% " " 3 841 20% " " 4 782 ... is greater than 20 years are shaded light grey and those where recovery is greater than 30 years are ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 47–55 : Автор(ы): Welsford, D.C

3. e-sc-xiv-a4.pdf

   ... in Area 48. At the following Scientific Committee meeting, two basic views were expressed. One ... . Thus, the fact that krill in a single area are less abundant in one year than another may not be ... was high in the survey year is taken into account in calculating the precautionary catch limit. One ... by the submission of 90 papers, the largest number ever submitted to a CCAMLR Working Group. The application/pdf attached to:WG-EMM-95

   Meeting Report : WG-EMM-95

4. Integration of CPUE data into assessments using the Generalised Yield Model

   / Description:  For the last three years, CCAMLR's Working Group on Fish Stock Assessment (WG-FSA) has ... for fishable biomass, but in two years (1996 and 1997), they fall just outside. The second proposed ... differential equatioi~s that incorporate functions that specify growth, mortality, age-dependent selectivity ... catches. Recruitme~~ts in future years and in determining the age composition of the population at the ... year Y is the latest year for which we have data from the fishery, and simulation years Y+l to Y+P ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 65–74 : Автор(ы): Kirkwood, G.P. and A.J. Constable

5. Joinville–D’Urville Islands (Subarea 48.1) – a former fishing ground for the spiny icefish (Chaenodraco wilsoni), at the tip of the Antarctic Peninsula – revisited

   , sparse, being restricted to the two seasons (1978/79 and 1979/80) when Polish and GDR vessels fished in ... Expedition ANT XIX/3 by RV Polarstern in February 2002. Five hauls were conducted north of the two islands at ... two concentrations of C. wilsoni at 62°20’–62°30’S 55°30’–56°00’W in the northern part of the shelf ... . wilsoni spent one or two years in midwater and subsurface waters and moved with the coastal current to ... the west. Two- to four-year-old fi sh lived pelagically at 20–120 m over depths of 200–400 m ... , being restricted to the two seasons (1978/79 and 1979/80) when Polish and GDR vessels fi shed in the ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 1–20 : Автор(ы): Kock, K.-H., L. Pshenichnov, C.D. Jones, K. Shust, K.E. Skora and Zh.A. Frolkina

6. e-sc-xxxvi-a04.pdf

   ... The template has two output variables for 120 kHz. One variable ‘Krill NASC from mean Sv’, produces ... consistent with scientific surveys conducted in this subarea in previous years. The authors of SG-ASAM-17/04 ... are planning to analyse the data from the two surveys following the swarm- based approach developed at ... details of these two surveys conducted by Korean scientists that represented a significant advance in the application/pdf attached to:SG-ASAM-17

   Meeting Report : SG-ASAM-17

7. Chapter 6: External factors impacting on the Convention objective and engagement, including non-Contracting/non-Cooperating Party activities

   68) Commission (2018) SCIC-2018, paragraphs 26 and 27; CCAMLR-XXXVII, paragraph 11.20 (2019, 2020 ... ) SCIC (2017) SCIC-2017, paragraphs 206 to 211 (2018) SCIC-2018, paragraphs 20 to 25 and CCAMLR-XXXVII ... , paragraph 204 (2018) SCIC-2018, paragraphs 26 and 27; CCAMLR-XXXVII, paragraph 11.20 (2019) CCAMLR-38 ... with ACAP to extend both for an additional three years (CCAMLR-40, paragraph 10.9). Annual exchanges of ...

   Page : Site Section: The Organisation

8. e-sc-xxxvi-a05.pdf

   ... four years is appropriate for the assessments. 2.12 The Working Group noted that two studies by ... recapture data (excluding within-year recaptures). Truncation to four years at liberty in the Subarea 48.3 ... noted that in the past seasons, in one year the work could not be completed due to engine failure ... Working Group on Statistics, Assessments and Modelling (Buenos Aires, Argentina, 26 to 30 June 2017 application/pdf attached to:WG-SAM-17

   Meeting Report : WG-SAM-17

9. A von Bertalanffy growth model for toothfish at Heard Island fitted to length-at-age data and compared to observed growth from mark–recapture studies

   -estimated parameters. A young-age adjustment (less than 5 years old) to the VB model is also given in order ... aged. Subsampling of random lengthfrequency (LF) data used to obtain the samples of fish for ageing ... Paper Title:  A von Bertalanffy growth model for toothfish at Heard Island fitted to length-at-age ... data and compared to observed growth from mark–recapture studies Abstract / Description:  Length-at-age ... –age frequency data in the complete catch rather than just the aged random subsample. The diffi culty ... (Pop) = μ(A, θ) + ε where L is length (mm), A is age (years), θ = (L∞, κ, t0) are the VB parameters ... years in age. This is due to the combined effect of natural and fi shing mor- tality and the effect of ... mean length-at-age for ages above 15 years. When length bin relative sampling frequencies were also ...

   Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 43–66 : Автор(ы): Candy, S.G., A.J. Constable, T. Lamb and R. Williams

10. Changes in the fish biomass around Elephant Island (Subarea 48.1) from 1976 to 1996

    from 1978/79 to 1988/89, with most of the commercial harvesting taking place in the first two years of ... for finfishing from 1989/90 onwards. Results of the first bottom trawl survey carried out after the ... 564 Kock 80"W Latitude 20°W Weddell Sea km m 0 200 400 70"s . - Figure 1: Area of ... ) 10 20 30 40 50 Length (cm) Length (cm) m S 6 - 3 5 - 5 4 - 10 20 30 40 50 Length (cm ... 1976 to 1996. Kock Length (cm) 10 20 30 40 50 60 70 80 Length (cm) 1978: no data 10 20 30 ... class; fish from this year class were 20 to 25 cm long in January/February 1976 and 30 to 37 cm in ...

    Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 165–189 : Автор(ы): Kock, K.-H

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