Search results
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A review of the effectiveness of streamer lines as a seabird by-catch mitigation technique in longline fisheries and CCAMLR streamer line requirements
basis in the Convention Area (SC-CAMLR, 2002). This paper responds to WG-IMAF’s request ... Paper Title: A review of the effectiveness of streamer lines as a seabird by-catch mitigation ... light of a review of existing literature and available data on the effectiveness of single and paired ... attack or dive rate of multiple southern hemisphere seabird species or foraging guilds as a function of ... : requiring that the streamer line be deployed over the hookline within 100 m of the stern; increasing the ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 189–201 : Author(s): Melvin, E.F., B. Sullivan, G. Robertson and B. Wienecke
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Estimates of circumpolar abundance of Antarctic krill based on recent acoustic density measurements
tonnes- at the low end of values that have been suggested in the past. The differences between our ... Paper Title: Estimates of circumpolar abundance of Antarctic krill based on recent acoustic ... density measurements Abstract / Description: The total circumpolar abundance of Antarctic krill ... (Euphausia superba) is estimated using recent measurements of krill density from acoustic surveys and ... range of krill. The biomass estimates fall between 60 and 155 million tonnes - at the low end of values ... scientific data was used to arrive at a total estimate of krill biomass of 272 million tonnes (Voronina ... and abundance of krill, mainly at a local scale (Azzali, 1992; Hewitt and Demer, 1994; Pauly and ... most commercial stocks of marine living resources are either overexploited or are at the limits of ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 87–99 : Author(s): Nicol, S., A.J. Constable and T. Pauly
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Age–length composition of mackerel icefish (Champsocephalus gunnari, Perciformes, Notothenioidei, Channichthyidae) from different parts of the South Georgia shelf
ofAntarctica), CKF VMF: 144 pp. Efremenko, V.N. 1982. Distribution of Notothen- iidae larvae ... western parts of the area. It is implied that part of tlne western group migrates towards Shag Rocks at ... Paper Title: Age–length composition of mackerel icefish (Champsocephalus gunnari, Perciformes ... , Notothenioidei, Channichthyidae) from different parts of the South Georgia shelf Abstract / Description ... determine the age-length composition of mackerel icefish (Champsocephalus gunnari) from different parts of ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 133–146 : Author(s): Frolkina, G.A
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Analysis of albatross and petrel distribution within the CCAMLR Convention Area: results from the Global Procellariiform Tracking Database
Procellariiform trACkinG dAtAbAse BirdLife International (prepared by C. Small and F. Taylor) Wellbrook Court ... Working Group on Incidental Mortality Associated with Fishing (WG-IMAF), CCAMLR requested that BirdLife ... and, for this reason, their proportion- ate distribution across the Convention Area has not yet been analysed ... , N. 1991. Albatross mortality and associ- ated bait loss in the Japanese longline fishery in the Southern ... Paper Title: Analysis of albatross and petrel distribution within the CCAMLR Convention Area ... successful measures to reduce the incidental mortality of seabirds in most of the fisheries within its ... jurisdiction, and has done so through area-specific risk assessments linked to mandatory use of measures to ... reduce or eliminate incidental mortality, as well as through measures aimed at reducing illegal ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 143–174 : Author(s): BirdLife International (prepared by C. Small and F. Taylor)
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An assessment of the exploratory fishery for Dissostichus spp. on BANZARE Bank (CCAMLR Division 58.4.3b) based on fine-scale catch and effort data
in the southern Indian Ocean (Subarea 58.4), requesting urgent con- sideration of methods for assessing ... by vessels oper- ating in the fishery and fine-scale biological data submitted by on-board observers between ... . In the absence of any firm evidence to evalu- ate these alternatives, data were accepted at face value pending ... of toothfish at the scale of individual fishing grounds in the 2004/05 and 2005/06 seasons. This ... Paper Title: An assessment of the exploratory fishery for Dissostichus spp. on BANZARE Bank ... CCAMLR Scientific Committee expressed concern as to the status of the stock on which the exploratory ... Dissostichus spp. fishery on BANZARE Bank (CCAMLR Division 58.4.3b) was based. This paper presents a summary of ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 55–78 : Author(s): McKinlay, J.P., D.C. Welsford, A.J. Constable and G.B. Nowara
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Supplementary data on exploited stocks in Division 58.5.1 (Kerguelen)
Notothenia rossii, a species which is at present only fishable as a by-catch. The total biomass of the stock ... / Description: The results of fishing cruises carried out from 1986/87 to 1988/89 in Division 58.5.1 (Kerguelen ... Island) have made possible a review of the status of the various harvested fish stocks. Since 1984, an ... average annual growth of 36% has been noted in the abundance of the juvenile section of the stock of ... abundance of the juvenile section of the stock of Notothenia rossii, a species which is at present only ... . RESULTS 3.1 Notothenia rossii As in South Georgia, a continued decline in catches of N. rossii at ... the main work of the Scientific Committee has been concentrated on this species up to now. At ... (at the age of 5 to 6 years) of these juveniles on the shelf. A catch limited to by-catches has ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 147–161 : Author(s): Duhamel, G.
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A stock assessment model of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea Region incorporating multi-year mark-recapture data
was initi- ated in 19971 and now attracts 15–25 vessels from 6 CCAMLR Science, Vol. 21 (2014): 39–62 39 ... IncorporAtIng multI-yeAr mArk-recApture dAtA S. Mormede and A. Dunn National Institute of Water ... on Fish Stock Assessment (WG-FSA). These work- ing papers are available from the authors only on request ... rates were excluded from the model. As a result, the use of the ‘selected’ trips dataset results ... catch-at-age data. This is the first published stock assessment of toothfish in the Ross Sea region. It ... Paper Title: A stock assessment model of Antarctic toothfish (Dissostichus mawsoni) in the Ross ... since the late 1990s. No fishery-independent methods of monitoring stock abundance were plausible, and ... . Although tagging experiments are commonly used for assessing fish stocks, most rely on estimates of ...
Science Journal Paper : CCAMLR Science, Volume 21 (CCAMLR Science, Volume 21) : 39–62 : Author(s): Mormede, S., A. Dunn and S.M. Hanchet
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Interactions of Patagonian toothfish fisheries with killer and sperm whales in the Crozet Islands Exclusive Economic Zone: an assessment of depredation levels and insights on possible mitigation strategies
depredation. When killer whales were absent at the beginning of the line hauling process, short lines (<5 ... Paper Title: Interactions of Patagonian toothfish fisheries with killer and sperm whales in the ... Crozet Islands Exclusive Economic Zone: an assessment of depredation levels and insights on possible ... Patagonian toothfish (Dissostichus eleginoides) longline fishery is exposed to high levels of depredation by ... depredation. When killer whales were absent at the beginning of the line hauling process, short lines (<5 000 ... , killer whales, sperm whales, CCAMLR 181 Impact of cetaceans on D. eleginoides fisheries at the ... 53.5 183 Impact of cetaceans on D. eleginoides fisheries at the Crozet Islands Interaction with ... and a brief description of their behav- iour. Lines that were hauled at night or in condi- tions of ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 179–195 : Author(s): Tixier, P., N. Gasco, G. Duhamel, M. Viviant, M. Authier and C. Guinet
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Age and growth of spiny icefish (Chaenodraco wilsoni Regan, 1914) off Joinville–D’Urville Islands (Antarctic Peninsula)
. A statistical method for evalu- ating the reproducibility of age determination. Can. J. Fish. Aquat. Sci., 39 ... Paper Title: Age and growth of spiny icefish (Chaenodraco wilsoni Regan, 1914) off Joinville ... –D’Urville Islands (Antarctic Peninsula) Abstract / Description: Age and growth of spiny icefish ... (Chaenodraco wilsoni) were investigated using counts of annual growth increments from sagittal otoliths ... Islands (Antarctic Peninsula) in February–March 2006 and January 2007. A total of 218 specimens were ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 115–130 : Author(s): La Mesa, M., A. De Felice, C.D. Jones, K.-H. Kock
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Distribution and relative abundance of Antarctic toothfish (Dissostichus mawsoni) on the Ross Sea shelf
, conducted by commercial longliners (Figure 1). A large amount of data on toothfish and the associ- ated ... in SSRU 881K as well as in the northeast of SSRUs 881J and 881L, both of which are immedi- ately adjacent ... continental shelf out to the edge of the shelf break at about 600–800 m depth). The focus is on D. mawsoni ... Paper Title: Distribution and relative abundance of Antarctic toothfish (Dissostichus mawsoni) on ... the Ross Sea shelf Abstract / Description: This paper summarises knowledge of the distribution and ... relative abundance of Antarctic toothfish (Dissostichus mawsoni) on the Ross Sea shelf (defined here as the ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 33–51 : Author(s): Hanchet, S.M., S. Mormede and A. Dunn