Résultats de la recherche
-
e-sc-xviii-a4.pdf
... other years in the BAS Core Programme (WG-EMM-99/20). The krill in both survey areas were large, with a ... Area during the split-year 1997/98 (July 1997 to June 1998) was presented in WG-EMM-99/9. A total of ... catch), 48.2 (6 672 tonnes, 8%) and 48.3 (24 043 tonnes, 30%). In addition, catches totalling 75 tonnes ... confirmed that the key market features reported last year (SC-CAMLR-XVII, paragraph 2.5) had applied in 1999
application/pdf attached to:WG-EMM-99Meeting Report : WG-EMM-99
-
e-sc-xvi-a4.pdf
... . 3.18 Trends over the last 20 years detected from the results of net surveys conducted in Subarea 48.1 ... Activities 1.8 The Subgroup on Statistics met in La Jolla, USA, from 14 to 18 July 1997 and its report is ... (60 546 tonnes mostly in Subarea 48.1), Poland (20 610 tonnes mostly in Subarea 48.1) and Ukraine (20 ... indicated an average year for krill abundance (WG-EMM-97/30), rather than the abundant year suggested by
application/pdf attached to:WG-EMM-97Meeting Report : WG-EMM-97
-
e-sc-xxxiii-a6.pdf
... . All notifications met the data requirements outlined in CM 21-03. The Working Group agreed that the ... from 20-litre samples of krill product taken each week. The green weight of krill caught (Mgw, in kg ... 2013/14 (WG-EMM-14/29). This is the second year that green-weight estimates have been requested in ... continuous pumping method, showed a considerable variability in fishing locations by year and month in
application/pdf attached to:WG-EMM-14Meeting Report : WG-EMM-14
-
Possible effects of different levels of fishing on krill on predators - some initial modelling attempts
Meeting of the CCAMLR's WG-Kril1 and WG-CEMP in 1992 to address this issue. First. estimates are made ... developed, in which krill abundance fluctuations impact the predator population, but not vice versa ... . Computations based on this model indicate that variability in the annual recruitment of krill results in ... predator population dynamics information in the context of the models developed, and about the model1ing of ...
Meeting Document : WG-KRILL-93/43 : Auteur(s): D.S. Butterworth and R.B. Thomson (South Africa)
-
e-sc-xxxv-a06.pdf
... December 2014 to 30 November 2015), 12 vessels fished in Subareas 48.1, 48.2 and 48.3 and the total catch ... indices were used in other fisheries and report back to the Working Group next year. http ... mean for each year in which the vessel fished. An overall fishery performance index (FPI) was derived ... . The authors first evaluated the level of observation (in days) for the past five years in the krill
application/pdf attached to:WG-EMM-16Meeting Report : WG-EMM-16
-
e-sc-xvii.pdf
... for the Conservation of Antarctic Marine Living Resources held in Hobart, Australia, from 26 to 30 ... Timing of the CCAMLR Fishing Year: Technical Considerations of the Feasibility of a Change in Timing ... Resources met under the Chairmanship of Dr D. Miller (South Africa) from 26 to 30 October 1998 at the Wrest ... activities would be similar to those in the 1997/98 season (i.e. about 60 000 tonnes, 20 000 tonnes and 2 000
application/pdf attached to:SC-CAMLR-XVIIMeeting Report : SC-CAMLR-XVII
-
Using ecosystem monitoring data to detect impacts
an observed value in an unimpacted system, or (ii) the frequency of values below a fixed reference ... point. The second approach allows inference criteria based on changes in this frequency rather than by ... decline in Antarctic fur seal (Arctocephalus gazella) pup production at South Georgia from the early 1990s ... within a few years of its onset, but a fixed reference point method could have provided this sustained ... if at ≤ acrit in two or more years of a four-year refer- ence period. Summary of methods: anomalies ... : Method 4 with inference based on changes in frequency: the observed proportion of years in an n-year ... baseline PDF were then used to test for impacts in 20 more obser- vations drawn from the baseline period ... system. An n-year reference period can be thought of as a series of Bernoulli trials in which the ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 197–212 : Auteur(s): Hill, S.L., J. Forcada, P.N. Trathan and C.M. Waluda
-
A simple approach for calculating the potential yield of krill from biomass survey results
median pre-exploitation level over a 20 year period of harvesting should equal 10%. The value of, λ ... results Abstract / Description: Estimates are calculated for the parameter λ in the yield equation Y = λ ... MB 0 for a krill fishery in which both the fishery and krill growth are seasonal. The criterion used ... for the calculations is that the probability that the krill spawning biomass drops below 20% of its ... -exploitation level over a 20 year period of harvesting should equal 10%. The value of 'A, depends strongly on ... size drops below 20% of its average value prior to exploitation, over a 20 year period of harvesting ... steady growth throughout the year. In contrast, krill exhibits growth which varies systematically over ... krill of length 20 mm and above (D. Miller, pers. comm.), so that the lengths listed in Table 1 suggest ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 207–217 : Auteur(s): Butterworth, D.S., A.E. Punt and M. Basson
-
e-sc-xxv-a5.pdf
... OF THE MEETING 1.1 The meeting of WG-FSA was held in Hobart, Australia, from 9 to 20 October 2006 ... submitted later in the year. 3.3 In addition, the Secretariat had processed available fine-scale and ... closed SSRUs in Subareas 88.1 and 88.2 should be raised to a minimum of three tags per tonne, with a ... branch lines, while the hooks in the Russian system were bunched together on the branch lines. 3.16
application/pdf attached to:WG-FSA-06Meeting Report : WG-FSA-06
-
CCAMLR-XXXIV
Waters Delegation of the Russian Federation CCAMLR-XXXIV/BG/30 Designation of an MPA in East Antarctica ... , 19 October 2015 to Friday, 30 October 2015 Chair / Convener: Mr Dmitry Gonchar (Russian Federation ... CCAMLR’s financial and conservation objectives in relation to the krill fishery Delegation of the United ... Secretary’s Report, 2015 including First Year Implementation Report for the Secretariat’s Strategic Plan (2015 ...
Meeting