Search results
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e-sc-viii-a6.pdf
... -89/13) indicated that scales tended to underestimate age by one year. This was thought to be due ... of the fishery. However, age/length keys from one year may not reflect the age composition of catches in other ... . Decreased partial recruitment of the youngest age classes as a result of a one year forward shift ... there was reasonable consistency in age/length keys for fish aged one to three, it was thought that this was likely ... Mortality, M 25. Two types of estimation methods were tested: (i) Direct methods based on age ... . The Kriging method requires fitting one of three models to the distribution of two parameters on a ... levels of around one third of the estimate in WG-FSA-89/22. (ii) The data on catch at age for 1987/88 ... to have concentrated on two year old fish. However, the estimate of partial recruitment used comes
application/pdf attached to:WG-FSA-89Meeting Report : WG-FSA-89
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e-cc-38-a6.pdf
... with CCAMLR by participating in the CDS and one NCP with limited access to the CDS since the 2018 Commission ... in Subarea 48.1. During the patrol, two inspections of fishing vessels and one sighting of a logistical ... that one vessel had continuously used a net monitoring cable for nine years suggested that the preliminary ... noted that the CDS has been implemented by 16 Members, three Acceding States, one NCP cooperating ... /29) on inspections undertaken by Chile’s vessel OPV-83 Marinero Fuentealba in the 2018/19 season ... -01, paragraph 6, on the prohibition of dumping or discharging of offal and discards south of 60°S ... recalled that the Commission almost reached an agreement on a revision of CM 10-09 some years ago. China ... on the regular updates Korea provided between SCIC-2018 and SCIC-2019 (COMM CIRC 19/21 and COMM
application/pdf attached to:SCIC-2019Meeting Report : SCIC-2019
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e-sc-viii.pdf
... without comment. Age Determination, (Annex 6, paragraphs 17 to 20) 3.16 Lic E. Barrera-Oro (Argentina ... , to protect immature fish, or 90 mm, to protect first spawners, or 100 mm, to give an age at first capture ... 58 (Indian Ocean Sector) Statistical Area 88 (Pacific Ocean Sector) Age Determination Other ... and 7 871 tonnes respectively) bringing the total krill catch to 395 470 tonnes. A report from one Member ... July and ends on 30 June. The column ‘split-year’ refers to the calendar year in which the split-year ... Working Group on Fish Stock Assessment met in Hobart, Australia from 25 October to 2 November 1989 ... Total 228 643 130 875 191 460 445 673 376 456 370 663 395 470 * The Antarctic split-year begins on 1 ... C at ch es (T on ne s) Figure 2.1: Total krill catches from 1973 to 1989. (‘Other 48
application/pdf attached to:SC-CAMLR-VIIIMeeting Report : SC-CAMLR-VIII
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Status of krill target strength
on aggregations of live euphausiids and should not be affected by a frequent cause of bias in single-animal ... there is an empirical basis. The theoretical estimates show a non-monotonic dependence of target strength on both animal ... size and transmit frequency, notwithstanding admitted shortcomings. Some recent single-animal ... of bias in single-animal measurements, namely thresholding. Theoretical estimates for the target strength ... boundary of the animal) change slowly along its lengthwise axis. However, one must be cautious when ... of incidence are far away from normal or "broadside". If the echo sounder and/or animals are oriented ... . 2. DEFINmONS Target strength gives a measure of backscattering or echo strength intrinsic to the scatterer ... density, where they were observed about one hour before sunset on 29 January 1984. The krill were ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 101–126 : Author(s): Foote, K.G., D. Chu and T.K. Stanton
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e-sc-iii.pdf
... of the Convention. 6.26 The Working Group had considered two basic options, the one involved submission ... for the intensity of sampling should be, for each species, at an intensity of not less than one sample from each ... , that on each fishing ground one sample per day was collected from the fishery around Kerguelen Island ... have a standard of one sample per day of 50 individuals from one haul, which the Group agreed ... AGENDA 2.1 The Chairman noted that requests for advice on two additional items were envisaged from the ... two or more Vice-Chairmen on the basis of procedures referred to in Rule 3 above. The Chairman and ... on each fishing ground one sample per day was collected from the fishery around Kerguelen Island ... the points raised above. Krill Growth 8.14 The Ad Hoc Group on Krill Research Priorities had
application/pdf attached to:SC-CAMLR-IIIMeeting Report : SC-CAMLR-III
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e-sc-xxv-a5-appD.pdf
... with one such vessel in the previous season. Two-thirds of the birds were caught by two vessels ... Group noted that France continues to reduce its total seabird by-catch by about one half each year ... debris, which occurred on three vessels, one in Subarea 48.3, and two in Divisions 58.4.1, 58.4.2 ... 58.5.2 (33% (range 31–41) compared with 36% (range 31– 41)); and Subareas 58.6 and 58.7 (35% (one vessel ... (90%) and Viking Bay (98%)) did not use haul-scaring devices on all hauls. In Division 58.5.2, two ... debris, which occurred on three vessels, one in Subarea 48.3, and two in Divisions 58.4.1, 58.4.2 ... seabird captures in 2005/06 (Table 1). As last year, this proportion of seabirds caught on the haul ... , except one, occurred on the haul. Division 58.5.2 toothfish/icefish 25. Data were available from all
application/pdf attached to:Ad Hoc WG-IMAF-06Meeting Report : Ad Hoc WG-IMAF-06
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e-sc-xvii.pdf
... to the meeting. The Agenda was adopted with one amendment, the addition of ‘Timing of the Fishing Season ... fishery, although no actual plans have been formulated as yet. One German company had notified its ... for krill to one operator. One of the conditions of this permit will require the carrying of a scientific ... in the Scheme of International Scientific Observation (i.e. one month after the return of the observer to home ... -year (Annex 5, Table 3). Based on sightings of longliners in various subareas and divisions, their ... previous years. However, with the fishing season for many fisheries ending on or after 31 August and ... Committee, including the Working Groups on Ecosystem Monitoring and Management and on Fish Stock Assessment ... ..................................................... 12 Data on Incidental Mortality of Seabirds during Longline Fishing in the Convention Area
application/pdf attached to:SC-CAMLR-XVIIMeeting Report : SC-CAMLR-XVII
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Whales: Trophic modelling of the Ross Sea
) details two reported sightings of orca within winter pack ice in the Antarctic, both in August. On one ... for the summer only (3 months of the year). 3.3 Population model We used a simple age-structured population ... ), and reported that mean age of wild orca in British Columbia waters was 29.2 years (male) and 50.2 years ... and adult weight. This implicitly assumes a constant mortality rate with age and a linear growth rate ...
Document : Site Section: Publications
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Chilean krill fishery: analysis of the 1991 season
KRILLFISHERY DURING 1991 3.1 General Overview During the 1991 fishing season Chile sent one factory vessel ... hauls, suggesting that on average the vessel move away from a patch after five hauls. This result ... for a patch to passively drift from one fishing area to another. Even if we consider doubling the drifting ... season .,.-I 100 co ...r 90 ctl Q) "- 80 ctl .0 ::J 70 Cl) 60 E 0 '-....... 50 .c () 40 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 273–287 : Author(s): Marín, V.H., A. Mujica and P. Eberhard
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e-cc-xxvii-a4.pdf
... with the possibility of one additional four- year appointment. Present salary is in the range of US$129 304 to US$150 ... Based on 30 days Hobart per diem rate for one person. 9 000 3. Removal costs Approximate cost ... based on up to one international shipping container. 30 0001 4. Sundry Insurance and storage ... in terms of Secretariat task allocations. SCAF noted that approximately one quarter of the Commission’s ... was established. As the Office’s latest two-year appointment expired on completion of the 2007 ... Based on 30 days Hobart per diem rate for one person. 9 000 3. Removal costs Approximate cost ... based on up to one international shipping container. 30 0001 4. Sundry Insurance and storage of ... Appendix IV. 152 WIRELESS COMPUTER NETWORK 30. SCAF received a progress report on the wireless
application/pdf attached to:SCAF-08Meeting Report : SCAF-08