Résultats de la recherche
-
Discrimination of Macrourus whitsoni and M. caml (Gadiformes, Macrouridae) using otolith morphometrics
Paper Title: Discrimination of Macrourus whitsoni and M. caml (Gadiformes, Macrouridae) using ... otolith morphometrics Abstract / Description: That the predominant by-catch of grenadier by the toothfish ... fishery in the Ross Sea region is comprised of two species, rather than being solely Macrourus whitsoni ... , was recognised in 2010 with the identification of a new species, M. caml. Grenadier are the main by ... Grenadiers (Family Macrouridae) are taken as by-catch in many of the toothfish fisheries in the Southern ... (CCAMLR Subareas 88.1 and 88.2) (Stevenson et al., 2014). A by-catch of 10 tonnes of grenadiers was ... (Stevenson et al., 2014). Grenadiers are also a major prey species of Ant- arctic toothfish in the region ... (Fenaughty et al., 2003; Stevens et al., 2014). Ecosystem modelling of the Ross Sea region suggests the ...
Science Journal Paper : CCAMLR Science, Volume 22 (CCAMLR Science, Volume 22) : 15–28 : Auteur(s): Pinkerton, M.H., C. Ó Maolagáin, J. Forman and P. Marriott
-
The biology, ecology and development of fishery management advice for the anomuran crabs at South Georgia (CCAMLR Subarea 48.3)
Paper Title: The biology, ecology and development of fishery management advice for the anomuran ... available information on the biology and ecology of the lithodids at South Georgia and provides an overview ... of the development of a management regime for them. Finally it aims to highlight areas in which ... assessment and management methods in light of continuing interest in the regional crab fishery. Considerable ... Members of the anomuran crustacean family Lithodidae (commonly known as stone crabs or king crabs) are ... and upper thermal limits of approximately 0.5°C and 15°C respectively govern their distribution ... -latitude regions of both the northern and southern hemisphere. Valuable fisheries, including the red king ... crab (Paralithodes camtschaticus) and golden king crab fisheries of the northern Pacific and the ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 1–15 : Auteur(s): Belchier, M., T. Peatman and J. Brown
-
The effects of monitoring procedures on Adélie penguins
Paper Title: The effects of monitoring procedures on Adélie penguins Abstract / Description: The ... effects of flipper bands, implanted tags, gastric lavage and external instrument attachment on the ... performance of Adélie penguins were investigated over three seasons at Béchervaise Island, Mac. Robertson Land ... , Antarctica. The return rates of birds carrying bands and/or implanted electronic transponders were compared ... their advice during preparation of this paper, and Peter Dann and Lloyd Davis for their helpful ... CCAMLR Science, Vol. 1: 155-164 THE EFFECTS OF ... Highway, Kingston, Tas. 7050 Australia Abstract The effects of flipper bands, implanted tags, gastric ... lavage and external instrument attachment on the performance of Adelie penguins were investigated over ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 155–164 : Auteur(s): Clarke, J. and K. Kerry
-
The choice of procedure for deciding when to close fisheries regulated by CCAMLR: a simulation model
Paper Title: The choice of procedure for deciding when to close fisheries regulated by CCAMLR: a ... formulation of Model 4, given in this paper. File: 06-Agnew.pdf ... deciding the closure date for fisheries monitored by the Secretariat of CCAMLR, have been difficult to ... implement because of the variation in catch rates shown by the fisheries. Non-fluctuating random and ... complex the analysis of trend the better the model might be expected to perform, but in this paper only ... CCAMLR-X/BG/9 THE CHOICE OF PROCEDURE FOR DECIDING WHEN ... the Secretariat of CCAMLR, have been difficult to implement because of the variation in catch rates ... the perfonnance of four models for making closure decisions is investigated under a variety of ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 81–97 : Auteur(s): Agnew, D.J.
-
Preliminary appraisal of Antarctic fish selection by the 32/36 bottom trawl combined with various codends
Paper Title: Preliminary appraisal of Antarctic fish selection by the 32/36 bottom trawl combined ... with various codends Abstract / Description: Selectivity properties of single and doubler-layer twine ... codends (mesh size 120 mm) and single-layer tape codends with a mesh size of 60 and 100 mm were determined ... . It was found that the selectivity properties of twine codends are unsatisfactory in the case of ... - 1 - SC-CAMLR-V/BG/29 PRELIMINARY APPRAISAL OF ... ) Abstract Selectivity properties of single and doubler-layer twine codends (mesh size 120 mm) and single ... -layer tape codends with a mesh size of 60 and 100 mm were determined. It was found that the ... selectivity properties of twine codends are unsatisfactory in the case of Antarctic icefish, burnphead ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 1-48 : Auteur(s): Zaucha, J.
-
Trends in population size and breeding success at colonies of macaroni and rockhopper penguins, Marion Island, 1979/80–1995/96
Paper Title: Trends in population size and breeding success at colonies of macaroni and ... , annual breeding success of macaroni (Eudyptes chrysolophus) between 1979/80 and 1995/96 and rockhopper ... penguins (E. chrysocome) between 1985/86 and 1995/96 was measured. For macaroni penguins, averages of 0.48 ... for rockhopper penguins were 0.68 eggs and 0.48 respectively. The largest of the three macaroni ... ). This paper summarises results to the end of the 1995/96 summer season and compares trends in breeding ... breeding parameters for two closely related species of penguin at Marion Island shown in this paper also ... POPULATION SIZE AND BREEDING SUCCESS AT COLONIES OF MACARONI AND ROCKHOPPER PENGUINS, MARION ISLAND ... , 1979180-1995196 J. Cooper Percy FitzPatrick Institute of African Ornithology University of Cape Town ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 89–103 : Auteur(s): Cooper, J., A.C. Wolfaardt and R.J.M. Crawford
-
Estimating the impact of depredation by killer whales and sperm whales on longline fishing for toothfish (Dissostichus eleginoides) around South Georgia
Paper Title: Estimating the impact of depredation by killer whales and sperm whales on longline ... data collected on longliners between 2003 and 2009 were analysed to look at the levels of depredation ... . Since 2003, cetaceans have been observed on 22% of 14 300 observed lines, with killer whales present on ... 3.8% and sperm whales on 17.7% of lines. Killer whales appear in pod sizes normally of 4 to 10 animals ... the impact of depredated lines is not built into any assessment (SC-CAMLR, 2007b). This paper ... paper appears to be applicable to estimating the impacts of cetaceans on longline catches of toothfish ... Estimating thE impact of dEprEdation by killEr whalEs and spErm whalEs on longlinE fishing for toothfish ... longliners between 2003 and 2009 were analysed to look at the levels of depredation caused by killer whales ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 163–178 : Auteur(s): Moir Clark, J. and D.J. Agnew
-
Foraging behaviour and reproductive success in chinstrap penguins: the effects of transmitter attachment
Paper Title: Foraging behaviour and reproductive success in chinstrap penguins: the effects of ... Conservation of the Antarctic Marine Living Resources) Ecosystem Monitoring Program (CEMP). This paper reports ... transmitter attachment Abstract / Description: The use of radio telemetry has been accepted as a standard ... on: (i) the effects of radio transmitter attachment on nest attendance, foraging trip duration, nest ... ). This paper reports on: (i) the effects of radio transmitter attachment on nest attendance, foraging ... variability. This paper reports on: (i) the effects of radio transmitter attachment on nest attendance ... : AND THE REPRODUCTIVE EFFECTS OF WG-CEMP-91/33 SUCCESS IN TRANSMITTER D.A. CroU, IL ... . Bengtson, P.L. Boveng, M.E. Goebel and J.K. Jansen* Abstract The use of radio telemetry has been ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 291–303 : Auteur(s): Croll, D.A., J.L. Bengtson, P.L. Boveng, M.E. Goebel and J.K. Jansen
-
Results of a longline survey on seamounts in the southeast Atlantic and in Subarea 48.6 and Division 58.4.4
Paper Title: Results of a longline survey on seamounts in the southeast Atlantic and in Subarea ... October and 1 December 1997, and several seamounts were surveyed to the south of Africa: close to the ... of Bouvet Island, Ob and Lena Banks). Samples were collected from longlines set perpendicularly to ... toothfish (Dissostichus eleginoides), with 2 822 individuals caught (83% of total catch). Grenadiers of the ... RESULTS OF A LONGLINE SURVEY ON SEAMOUNTS IN THE SOUTHEAST ATLANTIC AND IN CCAMLR SUBAREA 48.6 (ATLANTIC ... several seamounts were surveyed to the south of Africa: close to the Antarctic Polar Front (Meteor Bank ... ) and in the CCAMLR region (Shona and Spiess seamounts, the western slope of Bouvet Island, Ob and Lena ... eleginoides), with 2 822 individuals caught (83% of total catch). Grenadiers of the genus Macrourus were the ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 99–116 : Auteur(s): López Abellán, L.J. and J.F. González Jiménez
-
Biogeographic patterns of benthic invertebrate megafauna on shelf areas within the Southern Ocean Atlantic sector
Paper Title: Biogeographic patterns of benthic invertebrate megafauna on shelf areas within the ... Southern Ocean Atlantic sector Abstract / Description: Bioregionalisation of Antarctic and Southern Ocean ... shelf communities ideally incorporates a range of data on physical, environmental and biological ... properties. Analysis of the benthic invertebrate megafaunal assemblages of shelf habitats within the Atlantic ... the primary focus of this paper. Survey data is either lacking, as in the case of the South Orkney ... BIOGEOGRAPHIC PATTERNS OF BENTHIC INVERTEBRATE MEGAFAUNA ON SHELF AREAS WITHIN THE SOUTHERN OCEAN ATLANTIC ... @noaa.gov Abstract Bioregionalisation of Antarctic and Southern Ocean shelf communities ideally ... incorporates a range of data on physical, environmental and biological properties. Analysis of the benthic ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 167–192 : Auteur(s): Lockhart, S.J. and C.D. Jones