Search results
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Modelling catch and effort data using generalised linear models, the Tweedie distribution, random vessel effects and random stratum-by-year effects
of an area stratum by fishing year interaction as an additional random effect in the GLMM is investigated ... . Fitting the stratum-by-year interaction as a fixed effect is problematic since it requires weighting ... -by-year interaction as a random effect avoids this difficulty, and diagnostic methods to evaluate ... the validity of considering this interaction as random are described. The methods are demonstrated using catch ... by fi shing year interaction as an additional random effect in the GLMM is investigated. Fitting ... the stratum-by-year interaction as a fi xed effect is problematic since it requires weighting ... -by-year interaction as a random effect avoids this diffi culty, and diagnostic methods to evaluate ... the validity of considering this interaction as random are described. The methods are demonstrated using catch ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 59–80 : Author(s): Candy, S.G
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A first attempt at an assessment of the Patagonian toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands EEZ
, the last one as recent as 24 August 2001. On the fi rst aerial survey in September 1996, illegal ... August 1997. Fishery Development The Prince Edward Islands EEZ fi shery for toothfi sh by South ... for the fi shery (31 August 1997 to 1 April 1998) and from 31 August 1998 onwards to provide for year- round ... of the Prince Edward Islands EEZ was conducted by the commercial trawler Iris during April 2001. A crude ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 11–32 : Author(s): Brandão, A., D.S. Butterworth, B.P. Watkins and D.G.M. Miller
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Sea-surface temperature and krill catches around South Georgia in December–February 1989–1991 and 1999–2001
1989–1991 and 1999–2001 Abstract / Description: Monitoring of sea-surface temperatures (SSTs ... to 39 766 tonnes in 2000/01. The SST maps for 1999–2001 showed a prominent advection of Weddell Sea ... and 1999–2001 ... to 39 766 tonnes in 2000/01. The SST maps for 1999–2001 showed a prominent advection of Weddell ... –FEBRUARY 1989–1991 AND 1999–2001 G.P. Vanyushin VNIRO, 17a V. Krasnoselskaya Moscow 107140, Russia Email ... . However, it dropped to 39 766 tonnes in 2000/01. The SST maps for 1999–2001 showed a prominent ... est tombée à 39 766 tonnes en SHORT NOTE Vanyushin 166 2000/01. Les cartes de SST de 1999–2001 ... г. Карты ТПМ за 1999–2001 гг. показывают заметную адвекцию вод моря Уэдделла к северо-западу от Южной ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 165–174 : Author(s): Vanyushin, G.P
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Fishing ground selection in the Antarctic krill fishery: trends in patterns across years, seasons and nations
remained relatively constant in Subareas 48.2 (March–May) and 48.3 (June–August). In 25 years of krill ... (March–May) and 48.3 (June–August). In 25 years of krill operations in Area 48, patterns ... catch. Interestingly, in 2001/02, some catch was reported from APBSE and APBSW during the June–August ... relatively constant in Subareas 48.2 (March–May) and 48.3 (June–August). In 25 years of krill operations ... particular attention to the interactions between the krill population, the krill fishery, krill predators ... –February; b: March–May; c: June– August; d: September–November). All the spread- sheet analyses were ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 117–141 : Author(s): Kawaguchi, S., S. Nicol, K. Taki and M. Naganobu
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The use of patent databases to predict trends in the krill fishery
on krill processing, market developments, economic analyses. 2001 SC-CAMLR, 2001, paragraph 2.4 ... Information on economics of the fishery and market developments. 2001 SC-CAMLR, 2001, paragraph 3.8 ... of patenting trends of antifungal drugs in the product patent regime in India. World Patent Information, 32 ... of the Scientific Committee (SC-CAMLR-XIX). CCAMLR, Hobart, Aus- tralia: 518 pp. SC-CAMLR. 2001. Report ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 135–144 : Author(s): Foster, J., S. Nicol and S. Kawaguchi
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Effect of line sink rate on albatross mortality in the Patagonian toothfish longline fishery
A typical set for the CFL Pioneer was about eight magazines or 10 800 hooks, giving a line length ... /s. At this rate the CFL Pioneer set 10 800 hooks (eight magazines) in about one hour. Bait used was squid (Illex ... the vessel. The line was hauled at 1-1.5 knots and hauling rate was about 1 magazine/hour. 50-100 kg ... used on each set were averaged. All deployments of dive recorders were made on the second magazine ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 133–150 : Author(s): Robertson, G.G
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Consideration of major issues in ecosystem monitoring and management
, their interactions and the manner in which their populations vary naturally. Large-scale interactions are catered ... for in the Krill Yield Model (KYM). Smaller-scale interactions centre around three main categories ... resources and highlights the need for information on harvested and dependent species, their interactions ... and the manner in which their populations vary naturally. Large-scale interactions are catered for in the Krill ... powerful archive with which to study ecosystem interactions. From the outset, the importance of under ... for information on harvested and dependent species, their interactions and the manner in which their populations ... vary naturally. Large-scale interactions are catered for in the Krill Yield Model (KYM). Smaller ... -scale interactions centre around three main categories: the availability of krill, variation in vital ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 213–232 : Author(s): Everson, I
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Analysis of variability of krill size and fish by-catch in the Japanese krill fishery based on scientific observer data
and vessels. The potent interaction effect between year and subarea suggests large spatio–temporal variability ... hardly show difference among years, subareas and vessels. The potent interaction effect between year ... , subareas and vessels. The potent interaction effect between year and subarea suggests large spatio ... , subarea effect and their interaction effect on the variation of krill length as follows: ij i j ijY ... and γij represent the effect of year i, the effect of subarea j, and their interaction effect ... the year effect, the subarea effect, and their interaction effect on the variation of the number ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 31–47 : Author(s): Okuda, T. and M. Kiyota
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Killer whale (Orcinus orca) and sperm whale (Physeter macrocephalus) interactions with longline vessels in the Patagonian toothfish fishery at South Georgia, South Atlantic
Paper Title: Killer whale (Orcinus orca) and sperm whale (Physeter macrocephalus) interactions ... / Description: Killer whale (Orcinus orca) and sperm whale (Physeter macrocephalus) interactions with longline ... , were present during 5% of haul observations. A high inter-vessel variation was noted for interactions ... showed that interactions occurred over a wide geographic range. These were mostly correlated ... of depredation Observers monitored 78% of hauls for marine mammal interactions during the 2001 and 2002 ... , 2001 and 2002 seasons. 119 Killer and sperm whale interactions with longline vessels whale ... interactions occurred with killer whales and sperm whales at South Georgia during the 2001 and 2002 seasons ... Table 5: The catch rates of toothfish in the 2001 season, for hauls during which interactions occurred ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 111–126 : Author(s): Purves, M.G., D.J. Agnew, E. Balguerías, C.A. Moreno and B. Watkins
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Timing of clutch initiation in Pygoscelis penguins on the Antarctic Peninsula: towards an improved understanding of off-peak census correction factors
abundance (Bidigare et al., 1996; Smith et al., 2001; Murphy et al., 2007), and phyto- plankton abundance ... 'S 64 06'W) ADPE 1991–19961 1999–2000 LTER Palmer Station archive, online2; (Contributor: William ... available from LTER Palmer Station archive, online2 (Contributor: Karen S. Baker) see citation for Baker ... (between 2001 and 2002 at both Cape Shirreff and Admiralty Bay). It has been assumed throughout ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 149–165 : Author(s): Lynch, H.J., W.F. Fagan, R. Naveen, S.G. Trivelpiece and W.Z. Trivelpiece