Résultats de la recherche
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Identifying taxonomic groups vulnerable to bottom longline fishing gear in the Ross Sea region
Paper Title: Identifying taxonomic groups vulnerable to bottom longline fishing gear in the Ross ... vulnerable marine ecosystems (VMEs) requires a specific list of the taxa that are considered vulnerable in ... the fishery being assessed. New Zealand identified an interim list of taxa to monitor in fishery by ... -catch in the Ross Sea as part of its benthic fisheries impact assessment. The rationale for including or ... Porifera Sponges are abundant throughout the Ross Sea region and after asteroids they are the most ... IDENTIFYING TAXONOMIC GROUPS VULNERABLE TO BOTTOM LONGLINE FISHING GEAR IN THE ROSS SEA REGION S.J. Parker ... specific list of the taxa that are considered vulnerable in the fishery being assessed. New Zealand ... identified an interim list of taxa to monitor in fishery by-catch in the Ross Sea as part of its benthic ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 105–127 : Auteur(s): Parker, S.J. and D.A. Bowden
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Quantification of Southern Ocean phytoplankton biomass and primary productivity via satellite observations and biogeochemical models (submitted to the 2008 Joint CCAMLR-IWC Workshop)
satellite observations and biogeochemical models (submitted to the 2008 Joint CCAMLR-IWC Workshop) Abstract ... / Description: This paper reviews Southern Ocean primary productivity within the framework of satellite remote ... sensing and the development of food-web models. The satellite ocean colour (chlorophyll) data record is ... described, from the Coastal Zone Colour Scanner (CZCS) in the late 1970s through to the Ocean Colour and ... , immediately after ice melt and before vertical mixing of Si, while the diatoms rep- resented the mature bloom ... after ice-free water has been sufficiently mixed. There has also been exten- sive work documenting the ... Oceanic primary productivity supports food webs and contributes to the sequestration of car- bon into the ... oceanic reservoir. The Southern Ocean (here mostly defined as south of 50°S) is a vast province with ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 247–265 : Auteur(s): P.G. Strutton, N.S. Lovenduski, M. Mongin and R. Matear
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Homogeneity of body length composition of Antarctic krill within the commercial zone
Paper Title: Homogeneity of body length composition of Antarctic krill within the commercial zone ... Abstract / Description: The homogeneity of krill (Euphausia superba) length composition in commercial ... trawl catches (hauls) was investigated by comparing length compositions from different parts of the same ... that sampling from one part of the haul provides a reasonable estimate of length composition in the ... rostrum to the posterior end of the telson. All length measurements were carried out by one observer to ... COMPOSITION OF ANTARCTIC KRILL WITHIN THE COMMERCIAL ZONE T.Ichii* Abstract The homogeneity of krill ... length compositions from different parts of the same haul. There was no significant difference (P>O.OS ... ) in 53 out of 60 hauls. Therefore it is concluded that sampling from one part of the haul provides a ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 17–28 : Auteur(s): Ichii, T.
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By-catch of fish in the krill fishery
Paper Title: By-catch of fish in the krill fishery Abstract / Description: Observations are ... reported of icefish being taken as by-catch during krill fishing operations from a research vessel. The ... results indicate that the by-catch of fish in the commercial krill fishery may be significant in some ... areas of the South Georgia shelf. The problem is thought to be least in open ocean krill fishing. File ... commercial fleet in the area. Position at the end of each haul was recorded along with maximum and minimum ... WG-KRILL-9l/25 BY·CATCH OF FISH IN THE KRILL FISHERY ... taken as by-catch during krill fishing operations from a research vessel. The results indicate that the ... by-catch of fish in the commercial krill fishery may be significant in some areas of the South ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 381–401 : Auteur(s): Everson, I., A. Neyelov and Y.B. Permitin
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Management and uncertainty: the example of South Georgia
Paper Title: Management and uncertainty: the example of South Georgia Abstract / Description ... to consider ways in which CCAMLR can improve its ability to take decisions in the face of uncertainty ... . From an examination of Articles IX 2(f) and XV 2(e, d) of the CCAMLR Convention it follows that a ... comparison of the immediate and long-term effects of any one proposed measure with those of any other measure ... closure become apparent. On the central view, it would take only a year after a 10-year closure for ... . ) - 341 - WG-CFSA-86/13 THE EXAMPLE OF SOUTH GEORGIA Abstract Decisions on fishery management are ... which CCAMLR can improve its ability to take decisions in the face of uncertainty. From an ... examination of Articles IX 2(f) and XV 2(e, d) of the CCAMLR Convention it follows that a comparison of ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 341-353 : Auteur(s): Gulland, J.A.
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Refinements to the strategy for managing depleted fish stocks based on CCAMLR objectives
Paper Title: Refinements to the strategy for managing depleted fish stocks based on CCAMLR ... decades is illustrated. These fishing mortalities are based on probabilistic descriptions of the future ... hence that additional management policies are required for depleted stocks. The implications of these ... studies for defining the terms 'depleted' and 'target levels for recovery' are briefly ... been put into effect the target years for recovery become fixed at 20 and 30 years after the procedure ... SC-CAMLR-BG-IX/BG/14 REFINEMENTS TO THE STRATEGY FOR ... fishing mortalities are based on probabilistic descriptions of the future states of a depleted stock ... management policies are required for depleted stocks. The implications of these studies for defining the ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 467–475 : Auteur(s): de la Mare, W.K. and A. Constable
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The fishery for Patagonotothen brevicauda guntheri in CCAMLR Subarea 48.3
Paper Title: The fishery for Patagonotothen brevicauda guntheri in CCAMLR Subarea 48.3 Abstract ... / Description: Fine-scale data supplied to CCAMLR for 1987/88 showed that the catches of P atagonotothen ... brevicauda guntheri were five times greater in the South Georgia area than at Shag Rocks. Previous survey ... data and reports to the CCAMLR Working Group on Fish Stock Assessment indicated that this species was ... allowable catch (TAC) was set at 12000 tonnes (Conservation Measure 16NIII). At the end of the fishing ... WG-FSA-90/12 THE FISHERY FOR PATAGONOTOTHEN BREVICAUDA ... CCAMLR for 1987/88 showed that the catches of Patagonotothen brevicauda guntheri were five times greater ... in the South Georgia area than at Shag Rocks. Previous survey data and reports to the CCAMLR Working ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 275–283 : Auteur(s): Everson, I. and C. Mitchell
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Low genetic diversity and temporal stability in the Antarctic toothfish (Dissostichus mawsoni) from near-continental seas of Antarctica
Paper Title: Low genetic diversity and temporal stability in the Antarctic toothfish ... data on the DNA analysis of recent (2011–2013) samplings of Antarctic toothfish (Dissostichus mawsoni ... analysis of the most informative subset of nuclear genetic markers of SNP variation presented in Kuhn and ... Gaffney (2008), do not support genetic differentiation of samples from the Ross Sea. Discrepancies in the ... . It has a circumpolar distribution south from the Antarctic Convergence (Gon and Heemstra, 1990) and ... is restricted to the Convention Area man- aged by CCAMLR. The fishery for D. mawsoni started in the ... late 1990s and the fleet use mainly bottom-set longlines at depths of 1 200–1 800 m. Defining the ... population structure of D. mawsoni is crucial for improved management of the tooth- fish fishery, but the ...
Science Journal Paper : CCAMLR Science, Volume 21 (CCAMLR Science, Volume 21) : 1–9 : Auteur(s): Mugue, N.S., A.F. Petrov, D.A. Zelenina, I.I. Gordeev and A.A. Sergeev
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Can toothfish catches be used to predict the presence of vulnerable benthic invertebrate taxa?
Paper Title: Can toothfish catches be used to predict the presence of vulnerable benthic ... invertebrate taxa? Abstract / Description: Accurate estimation of the impact of bottom fishing on vulnerable ... marine ecosystems (VMEs) requires knowledge of the distribution of those communities relative to the ... locations. This study used the catch of the six most common vulnerable invertebrate taxa reported by ... criterion. The cumulative R2 after sequentially adding the term indicates explanatory power of the model ... CCAMLR is charged with assessing the poten- tial impact of fishing activities on vulnerable marine ... ecosystems (VMEs) within the Convention Area (CCAMLR, 2007; UNGA, 2007). However, the distributions of ... vulnerable invertebrate taxa in the Ross Sea are generally unknown and the fisheries-independent ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 87–96 : Auteur(s): Parker, S.J. and M.H. Smith
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Some thoughts on precautionary measures for the krill fishery
Paper Title: Some thoughts on precautionary measures for the krill fishery Abstract / Description ... : The concept of precautionary measures for krill is discussed. A precautionary catch limit, based on ... the potential yield model developed by the CCAMLR Scientific Committee's Working Group on Krill ... precautionary catch limit in large areas, such as Statistical Area 48, but the approach requires considerable ... after a given time z in A is given by the usual survivorship expression: Therefore, the flux of krill ... PRECAUTIONARY MEASURES FOR THE KRILL FISHERY I. Everson British Antarctic Survey High Cross, Madingley Road ... , Kingston Tasmania 7050, Australia Abstract The concept of precautionary measures for krill is ... discussed. A precautionary catch limit, based on the potential yield model developed by the CCAMLR ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 1–11 : Auteur(s): Everson, I. and W.K. de la Mare