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SC-CAMLR-SSP/5 – Part I, 1988
inconsistency between the model and the data: typical swarm sizes and densities, together with mean catches per ... model as characterised in Figure 1, together with the rationale underlying that particular ... between, say, latitudes 60 0 S and 70 0 S spanning 20° of longitude. Clearly the simplest assumption to ... = U[1 O/-V;;;, 20/"~] n miles The basis for this choice is to be found in Butterworth and Miller ...
Document : Site Section: Publications
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On the power to detect changes using the standard methods for monitoring parameters of predatory species
) to compute the requisite sample sizes for detecting changes of 10%, 20% and 30% of the mean value ... sample sizes for detecting changes of 10%, 20% and 30% of the mean values are shown in Table 2. No ... detect changes of 10%, 20%, and 30% of the mean values for Adelie and chinstrap meal size (Table 6 ... %) 119 96 72 46 2.48 (20%) 31 25 1 9 1 3 3.72 (30%) 1 5 1 2 9 7 For Cl = 0.10: 1.24 (10%) 99 79 57 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 377–397 : Autor(es): Boveng, P. and J.L. Bengtson
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Discussion on recent results from an integrated assessment of Antarctic krill (Euphausia superba) in Subarea 48.1
(either decreasing or increasing) in krill biomass have not been apparent over the past 30+ years ... simulation testing. Together, results from the two annual models and the seasonal model suggest that inter ...
Meeting Document : WG-EMM-14/35 : Autor(es): G.M. Watters, C.S. Reiss and D. Kinzey (USA)
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Scientific Abstracts 2005
species decreased from last year, and were the lowest average weights seen over nine years. The diet of ... than three consecutive years (ranging from 5 to 16 years), these are: Cape Shirreff (Livingston ... annual report. As in previous years, more items of fishing gear (mostly longlining gear) were found in ... debris, though again the total quantity is significantly down on previous years. The amount of debris ...
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Scientific Abstracts 1995–1996
. Average age of first breeding has decreased by about two years over the last 20 years, for both sexes ... only 20% of values 15 years ago and adult survival has decreased by about 4% per annum since 1987 ... . South Georgia albatross populations are unlikely to recover within the next 10 to 20 years and are ... . 30 (11): 707-712, 1995 (English). A study conducted at South Georgia in 1988/89 indicated that ...
Document : Site Section: Publications
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Some thoughts on precautionary measures for the krill fishery
spawning biomass dropping below 20% of its pre-exploitation median level over a 20-year harvesting period ... is 10%; and the median krill escapement1 in the spawning biomass over a 20-year period is 75% of ... , leading to more precise conservation measures. Article I1 of the CCAMLR Convention requires that ... /81 season, over a decade ago, which means that with a lifespan of five to seven years, at least two ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 1–11 : Autor(es): Everson, I. and W.K. de la Mare
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e-sc-xxxvi.pdf
... REPORT OF THE THIRTY-SIXTH MEETING OF THE SCIENTIFIC COMMITTEE HOBART, AUSTRALIA 16–20 OCTOBER ... 20 October 2017. Reports of meetings and intersessional activities of subsidiary bodies of the ... ................................................................... 19 Subarea 48.5 ................................................................... 20 Subarea ... 48.6 ................................................................... 20 Management advice
application/pdf attached to:SC-CAMLR-XXXVI
Meeting Report : SC-CAMLR-XXXVI
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A review of the diet and at-sea distribution of penguins breeding within the CAMLR Convention Area (submitted to the 2008 Joint CCAMLR-IWC Workshop)
does cause birds distress, and in exceptional cases results in death of a study animal, but it is ... N15 gives an indication of the trophic level at which an animal feeds, while δC13 indi- cates primary ... months or years and feathers the period prior to moult. Biodegradable samples (blood or flesh) need to ... be stored in 70% alcohol or frozen at –20°C, but feathers, toenails, eggshell and bone require no ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 75–114 : Autor(es): Ratcliffe, N. and P. Trathan
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Development of the Southern Ocean Continuous Plankton Recorder survey
the 1925–1927 Discovery Expedition, and has been used successfully for 70 years to monitor plankton in ... the North Sea and North Atlantic Ocean. Sixty-five years later the CPR as a Type II version returned ... austral summers with 20, 31 and 26 tows, respectively. The 1999/2000 season included a unique, nearly ... simultaneous three-ship crossing of the Southern Ocean along 25° 30’E, 110°E and 157°E. Typical CPR tows show ...
Meeting Document : WS-BSO-07/P4 : Autor(es): Hosie, G., M. Fukuchi and S. Kawaguchi
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Performance review activities
length-frequency data from the fishery from several years in advance of implementing an integrated ... address the various priority items raised by SCIC, SCAF and the Scientific Committee during the ... criteria do not include compatibility of measures as reflected in Article 7 of the Code of Conduct for ... Responsible Fisheries or in Article 7 of the UN Fish Stocks Agreement. Therefore, CCAMLR should first examine ...
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