Résultats de la recherche

1. Comparison of two methods to assess fish losses due to depredation by killer whales and sperm whales on demersal longlines

   Paper Title:  Comparison of two methods to assess fish losses due to depredation by killer whales ... interaction over access to resources, which often includes a combination of socio-economic, ecological and ... conservation issues. However, estimating the amount of resource depredated can be especially challenging when ... aimed at providing two indirect methods of assessment of depredated biomass over an 11-year period (2003 ... Science, Vol. 22 (2015): 1–14 1 Comparison of two methods to assess fish losses due to depredation by ... human–wildlife interaction over access to resources, which often includes a combination of socio ... -economic, ecological and conservation issues. However, estimating the amount of resource depredated can be ... (southern Indian Ocean). This study aimed at providing two indirect methods of assessment of depredated ...

   Science Journal Paper : CCAMLR Science, Volume 22 (CCAMLR Science, Volume 22) : 1–14 : Auteur(s): Gasco, N., P. Tixier, G. Duhamel and C. Guinet

2. Potential impacts of bottom trawling on benthic communities in Prydz Bay, Antarctica

   Paper Title:  Potential impacts of bottom trawling on benthic communities in Prydz Bay, Antarctica ... Abstract / Description:  This paper presents data on benthos retrieved in bottom trawls during a survey of ... examine a potential impact of bottom trawling on benthic communities in this region. The benthos was ... examined in trawls at 14 of the 22 random stations providing representative samples from different areas in ... elsewhere. This paper presents data on benthos retrieved in bottom trawls during a survey of demersal ... SC-CAMLR-X/BG/19 POTENTIAL IMPACTS OF BOTTOM TRAWLING ... data on benthos retrieved in bottom trawls during a survey of demersal finfish species in Prydz Bay by ... Australia in the 1990/91 season. The data collected are used to examine a potential impact of bottom ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 403–410 : Auteur(s): Constable, A.J.

3. Operational interactions of sperm whales and killer whales with the Patagonian toothfish industrial fishery off southern Chile

   Paper Title:  Operational interactions of sperm whales and killer whales with the Patagonian ... toothfish industrial fishery off southern Chile Abstract / Description:  Interactions of sperm whales ... industrial fishing vessels between April 2002 and March 2003. For the 180 hauls monitored, the evidence of ... = 3). The mean rate of depredation was 3% (±2% CI 95%; n = 180 sets) and ranged between 0 and 100 ... (2004): 127–140 127 OPERATIONAL INTERACTIONS OF SPERM WHALES AND KILLER WHALES WITH THE PATAGONIAN ... Ecología y Evolución Universidad Austral de Chile Casilla 567, Valdivia, Chile Abstract Interactions of ... evidence of damaged catch when cetaceans were present included toothfi sh lips (n = 121), heads (n = 16 ... ) and trunks (n = 3). The mean rate of depredation was 3% (±2% CI 95%; n = 180 sets) and ranged ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 127–140 : Auteur(s): Hucke-Gaete, R., C.A. Moreno and J. Arata

4. Line weights of constant mass (and sink rates) for Spanish system Patagonian toothfish longline vessels

   Paper Title:  Line weights of constant mass (and sink rates) for Spanish system Patagonian ... with seabirds. The weights typically used are collections of rocks enclosed in netting bags. During ... become progressively lighter, requiring ongoing repair. This problem can be solved by use of ... relationship between the sink rates of longlines equipped with bags of rocks (4, 6 and 8 kg) and those with ... snag on the seabed, potentially reducing the amount of gear lost in benthic habitats. This paper ... WEIGHTS OF CONSTANT MASS (AND SINK RATES) FOR SPANISH-SYSTEM PATAGONIAN TOOTHFISH LONGLINE VESSELS G ... . Robertson Department of the Environment, Water, Heritage and the Arts Australian Antarctic Division ... Arenas, Chile S.G. Candy Department of the Environment, Water, Heritage and the Arts Australian ...

   Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 93–106 : Auteur(s): Robertson, G., C.A. Moreno, E. Gutiérrez, S.G. Candy, E.F. Melvin and J.P. Seco Pon

5. Age and growth of the Antarctic skate (Amblyraja georgiana) in the Ross Sea

   Paper Title:  Age and growth of the Antarctic skate (Amblyraja georgiana) in the Ross Sea Abstract ... / Description:  X-rays of vertebral half-centra, and x-rays and transmitted white light examination of caudal ... thorns, were used to estimate the ages of the Antarctic skate (Amblyraja georgiana) from the Ross Sea ... precision was low, producing uncertain age estimates. Furthermore, annual deposition of thorn bands has not ... reviewer of this paper questioned whether skates living in cold Antarctic waters could reach such a large ... , Vol. 12 (2005): 183–194 183 AGE AND GROWTH OF THE ANTARCTIC SKATE (AMBLYRAJA GEORGIANA) IN THE ... ROSS SEA M.P. Francis and C. Ó Maolagáin National Institute of Water and Atmospheric Research (NIWA ... -rays of vertebral half-centra, and x-rays and transmitted white light examination of caudal thorns ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 183–194 : Auteur(s): Francis, M.P. and C. Ó Maolagáin

6. A statistical method for estimating the level of IUU fishing: application to CCAMLR Subarea 48.3

   Paper Title:  A statistical method for estimating the level of IUU fishing: application to CCAMLR ... , unregulated and unreported (IUU) catches of fish and by-catch of birds. It utilises high quality, well ... -documented fisheries protection vessel (FPV) cruise data. The method takes explicit account of both ‘seen ... ’ and ‘unseen’ IUU fishing by using a simulation model to arrive at statistically rigorous estimates of ... paper describes a new method for estimating illegal, unregulated and unreported (IUU) catches of fi sh ... activity to be made. This paper develops a metho dology, based around a simulation model of IUU vessel ... the purposes of this paper, the fi shing year was defi ned as extending from October of one year to ... effort and bird by-catch data described in subse- quent sections of this paper. The estimate of the ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 119–141 : Auteur(s): Agnew, D.J. and G.P. Kirkwood

7. Notothenia (P.) guntheri stock status and TAC estimation in the area of Shag Rocks (Subarea 48.3)

   Paper Title:  Notothenia (P.) guntheri stock status and TAC estimation in the area of Shag Rocks ... (Subarea 48.3) Abstract / Description:  Data on age composition of catches and fishing efforts for 1979/80 ... -1987/88 were used to analyse N. guntheri stock status. On the basis of these data using VPA method with ... -0.9 (Atlantic Fisheries Research Institute data). To estimate terminal value of instantaneous fishing ... TAC ESTIMATION IN THE AREA OF SHAG ROCKS (SUBAREA 48.3) K. Shust and R. Borodin Abstract Data ... on age composition of catches and fishing efforts for 1979/80-1987/88 were used to analyse N ... . guntheri stock status. On the basis of these data using V P A method with different adjustments stock ... Research Institute data). To estimate terminal value of instantaneous fishing coefficient (F) different ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 53-68 : Auteur(s): Shust, K. and R. Borodin

8. Observation of seabirds in the Southern Ocean in 1988/89

   Paper Title:  Observation of seabirds in the Southern Ocean in 1988/89 Abstract / Description ... :  This paper examines the numerical and species distribution of birds in the sub-Antarctic area of the ... Southern Ocean to the south of 60°S. Thirty minute observations were made daily during daylight hours at 8 ... ports of call. Maps summarize the distribution of 14 bird species as well as of the individual species ... WG-CEMP-90/33 OBSERVATION OF SEABIRDS IN THE SOUTHERN ... species distribution of birds in the sub-Antarctic area of the Southern Ocean to the south of 600 S ... -time, while sailing between Antarctic stations and while en route to ports of call. Maps summarize the ... distribution of 14 bird species as well as of the individual species: Antarctic, snow, and cape petrels and ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 521–542 : Auteur(s): Vagin, A.V. and V.V. Popov

9. A first step towards modelling the krill–predator dynamics of the Antarctic ecosystem

   Paper Title:  A first step towards modelling the krill–predator dynamics of the Antarctic ... ecosystem Abstract / Description:  The history of human harvests of seals, whales, fish and krill in the ... hypothesis of a krill surplus in the mid-20th century is described, and the information on population and ... objective of the study is to determine whether predator–prey interactions alone can broadly explain observed ... hypoth- esis in this paper is that the effects of human- induced harvesting of the species in the ... major pred- ators in the Antarctic. The objective of this paper is thus to investigate the following ... first step towArds modelling the krill–predAtor dynAmics of the AntArctic ecosystem M. Mori MARAM ... (Marine Resource Assessment and Management Group) Department of Mathematics and Applied Mathematics ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 217–277 : Auteur(s): Mori, M. and D.S. Butterworth

10. On the intensity of sampling krill trawl catches

    Paper Title:  On the intensity of sampling krill trawl catches Abstract / Description:  This paper ... uses actual krill length-frequency data in an attempt to address the problem of the determination of ... . The possible effect of two other factors (within-trawl variability and sample decomposition) which may ... measurements of length from commercial krill;  catches should be made, as far as possible, by a single observer ... cost of sampling be found. This paper therefore uses actual krilllength-frequency data to address the ... WG-KRILL-90/27 ON THE INTENSITY OF SAMPLING KRILL TRAWL ... address the problem of the determination of adequate sample size to obtain representative krill length ... -frequency distributions from commercial catches. The possible effect of two other factors (within-trawl ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 29–48 : Auteur(s): Miller, D.G.M.

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