Resultados de la búsqueda
-
Evaluation of the results of trawl selectivity experiments by Poland, Spain and USSR in 1978/79, 1981/82 and 1986/87
in 1978/79, 1981/82 and 1986/87 Abstract / Description: Trawl selectivity for several species of ... rates and catch composition. Details of these data were analyzed and minimum mesh sizes for several ... species were calculated. It is recommended that introduction of these mesh sizes should be considered for ... mm, to protect first spawners, or 100 mm, to give an age at first capture of 4 years; (ii) Fishery ... 23.6 cm. Lso values of 30 cm for mesh size 124 mm (Table 9) and of 29.4 cm for mesh 110 mm (Table 11 ... considered: ( a) Subarea 48.3 (i) Fishery targeted at C. gunnari 80 mm, to protect immature fish, or 90 ... Georgia. Fisch - Forsch., 20 (2): 49-53. KOCK, K.-H. 1981. Fischereibiologishe Uutersuchungen an drei ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 163–196 : Autor(es): Slosarczyk, W., E. Balguerias, K. Shust and S. Iglesias
-
e-sc-xxxvi-a06.pdf
... March. 2.10 The Working Group reviewed notifications of intention to fish for krill in 2018 using ... fishery selectivity, for the development of FBM and as an integral part of acoustic monitoring from ... WG-EMM-17/41. Data for the spatial management of krill 3.8 WG-EMM-17/50 Rev. 1 provided a review ... rates at this time, it would be useful to repeat the analysis for other years of data to establish
application/pdf attached to:WG-EMM-17Meeting Report : WG-EMM-17
-
e-sc-xxx-a08.pdf
... petrels. The observed catches for Division 58.5.1 were 39 (80%) white-chinned petrels, seven (14%) grey ... data for the marine debris collection in the Convention Area over the last 10 years showed no ... for D. eleginoides in Division 58.5.2 during the pre-season extension period of 15 to 30 April. The ... ................................................................. 410 Review of progress made to reduce seabird mortality in the French EEZs ..... 411 Seabirds in
application/pdf attached to:WG-IMAF-11Meeting Report : WG-IMAF-11
-
Use of a population model to assess the impact of longline fishing on wandering albatross populations
Abstract: An age-structured model of a wandering albatross Diomedea exulans population is ... investigate the potential impacts of new longline fisheries such as that for Patagonian toothfish Dissostichus ... time lag of 5-10 years before further decreases in population numbers are reflected in the breeding ... population. Also, because wandering albatrosses are long-lived, population growth rates take approximately 30 ...
Meeting Document : WG-IMALF-94/08 : Autor(es): Coleen L. Moloney, John Cooper, Peter G. Ryan and W. Roy Siegfried (South Africa)
-
e-cc-vii-aH.pdf
... 1989/90 fishing season, the Committee recommends that the Executive Secretary be asked to review ... provisions pursuant to Article XXIV of the Convention to verify compliance with measures in effect under the ... and inspectors referred to in Article XXIV of the Convention. (a) Designated observers and ... measures in force for the area or areas where the vessel will be harvesting marine living resources in
application/pdf attached to:SCOI-88Meeting Report : SCOI-88
-
e-sc-xxviii-a10.pdf
... not occur over a time scale of 20–30 years. Therefore, where estimates of maximum longevity for the ... been observed 20 or 30 years post impact (Clark et al., in press). 3.10 The Workshop agreed that ... Article II of the CAMLR Convention provided the basis for Conservation Measure 22-06. 2.3 The Workshop ... members of the taxon were available, they were scaled as Low (<10 years), Medium (10–30 years) and High
application/pdf attached to:WS-VME-09Meeting Report : WS-VME-09
-
e-sc-xxiv-a4.pdf
... trajectories were generated starting from an age 1+ mean length for different scenarios of winter and spring ... program for archiving with the Secretariat. The Secretariat will develop an index based on this series ... an important question that arose from the CEMP review, namely whether a single site is ... growth. The models indicate that, allowing for shrinkage, age 6+ mean length for the Indian Ocean
application/pdf attached to:WG-EMM-05Meeting Report : WG-EMM-05
-
Champsocephalus gunnari stock status in the South Georgia area
/ Description: ata of age composition and fishing effort for 1976/77-1987/88 were used to analyse stock status ... recruitment was taken at the lowest possible level for all these years (400 million specimens). Catch-per-unit ... intensity was F 0.1. In the first two cases TAC=25-30 thousand tonnes and stock size does not change. For ... and TAC for C. gunnari. Stock estimates were obtained using VPA with the following variations: mean F ... possible level for all these years (400 million specimens). Catch-per-unit-effort was also taken at the ... was FO.1• In the first two cases TAC=2S-30 thousand tonnes and stock size does not change. For the ... C12ellHHH: B0312acT 2 90 2 20 2 60 3 60 1980/81 1981/82 1982/83 1983/84 17,02 5,87 25,97 98,63 71,49 ... Table 3 Table 4 Table 5 Table 6 Table 7 Table 8 Table Legends Age (years) and weight (gr ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 1-18 : Autor(es): Borodin, R. and P. Kochkin
-
Geographical differences in the condition, reproductive development, sex ratio and length distribution of Antarctic toothfish (Dissostichus mawsoni) from the Ross Sea, Antarctica (CCAMLR Subarea 88.1)
South shelf North South break South shelf 100 90 80 70 60 50 40 30 20 10 0 North South break ... Fulton’s condition index (K) has been calculated for the five sampling seasons. This index assumes an ... essentially unimodal with the average value for all years occurring at about 141 cm TL for males and 152 cm ... with a 30 cm range over maturity (i.e. 85–115 cm TL). This equates to 50% maturity at about age 9. As ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 27–45 : Autor(es): Fenaughty, J.M
-
Size at sexual maturity of Patagonian toothfish (Dissostichus eleginoides)
(Dissostichus eleginoides) caught in the commercial fishery within Subarea 48.3. The results for 1996 indicate ... that L m50 occurs at 78.5 cm total length for male and 98.2 cm for female fish. In 1997 the results for ... male fish were essentially the same. For female fish there is evidence that in 1997 a significant ... allowing for this bias indicates that L m50 for female fish in 1997 was no different to that for 1996. The ... leading to an enlarged ovary of about 20% of the fish total mass. Spawning occurs in the period July to ... 1996 and 1997 calendar years were prepared by the CCAMLR Data Manager and provided for the purpose ... fit logistic models with an additional parameter for non-response (usually called 'immunity' in the ... language of bioassay - see Finney, 1978, Chapter 20) to cater for the situation where a proportion (propn ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 37–46 : Autor(es): Everson, I. and A.W. Murray