Résultats de la recherche

1. Physical data used in space averaging: Trophic modelling of the Ross Sea

   . Bradford-Grieve and S.M. Hanchet.  2010.  A balanced model of the food web of the Ross Sea, Antarctica ... Physical data used in space averaging: Trophic modelling of the Ross Sea M.H. Pinkerton, M.J.M. Williams ... National Institute of Water and Atmospheric Research Ltd (NIWA), Private Bag 14901, Wellington 6021, New ... beginning of the food web are strongly influenced by the extent of ice cover and its seasonal trajectory ... . The data used in estimation of various model parameters are presented below. 2. Study region ...

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2. Length- and age-at-spawning of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea

   Paper Title:  Length- and age-at-spawning of Antarctic toothfish (Dissostichus mawsoni) in the ... Ross Sea spanning the 2000–2009 fishing seasons. A characterisation of the oocyte developmental cycle ... of D. mawsoni shows that once development begins, oocytes grow and accumulate at the cortical alveoli ... least a 6–12 month period, resulting in a developed group of oocytes accumulating at the final ... gametogenesis and sexual cycles of six noto- thenioid fishes from East Antarctica. Polar Biol., 11 (8): 615–621 ... to severe loss of mass (both somatic and gonad). Comparing the ogives between males and females ... - AND AGE-AT-SPAWNING OF ANTARCTIC TOOTHFISH (DISSOSTICHUS MAWSONI) IN THE ROSS SEA S.J. Parker ...  National Institute of Water and Atmospheric Research (NIWA) Ltd PO Box 893 Nelson, New Zealand Email ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 53–73 : Auteur(s): Parker, S.J. and P.J. Grimes

3. The Patagonian toothfish (Dissostichus eleginoides) fishery in the Kerguelen Islands (Indian Ocean sector of the Southern Ocean)

   (Indian Ocean sector of the Southern Ocean) Abstract / Description:  Patagonian toothfish (Dissostichus ... recently with longliners. This is the oldest fishery targeting D. eleginoides in the Indian Ocean sector of ... local overfishing. The expansion of the bathymetric range of the fishery to increasingly deeper waters ... distribution, timing and area of spawning, and movements between geographical sectors) on the adult section of ... suffers from a loss of older animals; the fish- ing effort is then concentrated on still younger fish ... PaTagonian TooThfish (Dissostichus eleginoiDes) fishery in The Kerguelen islands (indian oCean seCTor of ... . This is the oldest fishery targeting D. eleginoides in the Indian Ocean sector of the Southern Ocean ... . The expansion of the bathymetric range of the fishery to increasingly deeper waters seems to have ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 1–25 : Auteur(s): Lord, C., G. Duhamel and P. Pruvost

4. Long-term monitoring of krill recruitment and abundance indices in the Elephant Island area (Antarctic Peninsula)

   Paper Title:  Long-term monitoring of krill recruitment and abundance indices in the Elephant ... for the Elephant Island area with regard to the representativeness of the study area (60°-62 o 30´S ... interannual variability of krill recruitment is confirmed by the present analysis. Results are compared for ... an analysis of variance. File:  02siegel-etal.pdf ... the area (Siegel, 1988). To the east of Elephant Island these various discrete size groups are ... Peninsula to the east; often they are found over the northern shelf of the Peninsula in southern ... the deep basins east of the Bransfield Strait where juvenile krill dominate. However, preliminary ... MONITORING OF KRILL RECRUITMENT AND ABUNDANCE INDICES IN THE ELEPHANT ISLAND AREA (ANTARCTIC PENINSULA) V ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 19–35 : Auteur(s): Siegel, V., W. de la Mare and V. Loeb

5. Is the attempt to estimate the biomass of Antarctic fish from a multi-species survey appropriate for all targeted species? Notothenia rossii in the Atlantic Ocean sector – revisited

   Paper Title:  Is the attempt to estimate the biomass of Antarctic fish from a multi-species survey ... already heavily fished at the beginning of the 1970s. The closure of the fishery for this species in 1985 ... was one of the first conservation measures adopted by CCAMLR. Fish biomass within a CCAMLR subarea or ... part of a subarea is commonly estimated from surveys that target a number of species, including N ... catches (>1 000 kg/30 min) were taken over the shelf to the east-northeast of South Georgia in the ... Elephant Island to the east of Seal Rocks in 1985 (Figure 3c). This concentration consisted of fi sh 34 ... east of Seal Rocks in February 1985, when fi shing was no longer in its heyday, consisted of an ... Science, Vol. 11 (2004): 141–153 141 IS THE ATTEMPT TO ESTIMATE THE BIOMASS OF ANTARCTIC FISH FROM A ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 141–153 : Auteur(s): Kock, K.-H., M. Belchier and C.D. Jones

6. On the presence of Paralomis spinosissima and Paralomis formosa in catches taken during the Spanish survey Antártida 8611

   Paper Title:  On the presence of Paralomis spinosissima and Paralomis formosa in catches taken ... the archipelagos in the Scotia Sea. A total of 345 hauls was conducted, of which 29 took place around ... m. In the whole of the area surveyed, the two crab species of the genus Paralomis (P. spinosissima ... seven hauls of the 29 made around Shag Rocks and in 20 of the 104 hauls made at South Georgia. P ... hauls conducted to the south and east of South Georgia, at depths ranging between 199 and 450 m; in ... of P. spinosissima were caught to the south and east of South Georgia, and at various depths ... CCAMLR Science, Vol. 1: 165-173 ON THE PRESENCE OF ... shelf around all the archipelagos in the Scotia Sea. A total of 345 hauls was conducted, of which 29 ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 165–173 : Auteur(s): López Abellán, L.J. and E. Balguerías

7. A composite recruitment index to describe interannual changes in the population structure of Antarctic krill at South Georgia

   structure of Antarctic krill at South Georgia Abstract / Description:  A composite recruitment index based ... and length data are derived from standard station net hauls only. Comparison of these indices showed ... substantial differences, due in part to bias arising from a large number of krill in just one of the station ... net hauls. Therefore, when the number of station net hauls is limited, bias is likely to be reduced if ... . The shelf break front to the east of the sub-Antarctic island of South Georgia. Confinelztal ... RECRUITMENT INDEX TO DESCRIBE INTERANNUAL CHANGES IN THE POPULATION STRUCTURE OF ANTARCTIC KRILL AT SOUTH ... data are derived from standard station net hauls only. Comparison of these indices showed substantial ... differences, due in part to bias arising from a large number of krill in just one of the station net hauls ...

   Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 71–84 : Auteur(s): Watkins, J.L

8. A risk-management framework for avoiding significant adverse impacts of bottom fishing gear on Vulnerable Marine Ecosystems

   Paper Title:  A risk-management framework for avoiding significant adverse impacts of bottom ... measure in 2007 to ensure that significant adverse impacts of bottom fishing gear on Vulnerable Marine ... Ecosystems (VMEs) are avoided. Due to the high levels of uncertainty surrounding both the evidence of VME ... presence and the consequences of interaction with different types of gear, a risk-management framework is ... communities) can show loss of biodiversity and ecosystem function (Cryer et al., 2002). These ecosystems ... extirpations. 25–50 One–few years 4 Severe Substantial loss to structure or function of ecosystem. Many ... species extirpated. 50–90 Years–decades 5 Catastrophic Complete loss of ecosystem. All species ... -MANAGEMENT FRAMEWORK FOR AVOIDING SIGNIFICANT ADVERSE IMPACTS OF BOTTOM FISHING GEAR ON VULNERABLE ...

   Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 177–193 : Auteur(s): Martin-Smith, K

9. Selectivity of standard Polish commercial trawl codends on Antarctic fishing grounds

   Paper Title:  Selectivity of standard Polish commercial trawl codends on Antarctic fishing grounds ... Abstract / Description:  Selectivity studies were carried out for two types of steelon codends used in ... commercial fishery, with a nominal mesh size A = 80 mm and A = 100 mm, made of double twines with a thickness ... of 4.2 mm. The studies covered 6 major fish species. It appears from the study that Antarctic icefish ... codend. In the 1960's and 1970's extensive investigations of selectivity, directed by Strzyzewski (1971 ... top down to the middle of its height with a cover having relatively small meshes (mesh bar 20 mm ... SC-CAMLR-VII/8G/11 SELECTIVITY OF STANDARD POLISH ... carried out for two types of steelon codends used in commercial fishery, with a nominal mesh size A = 80 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 107-142 : Auteur(s): Zaucha, J.

10. Depth distribution and spawning pattern of Dissostichus eleginoides at South Georgia

    Paper Title:  Depth distribution and spawning pattern of Dissostichus eleginoides at South Georgia ... Abstract / Description:  Trends in mean length and maturity stage of Patagonian toothfish (Dissostichus ... significant pattern of changing mean length at depth with month was detected, suggesting movement of animals ... both up and down slope at particular times of year. Months with a high mean length at depth are May and ... AND SPAWNING PATTERN OF DISSOSTICHUS ELEGINOIDES AT SOUTH GEORGIA D.J. hgnew Renewable Resources ... London SW7 2QA, United Kingdom Abstract Trends in mean length and maturity stage of Patagonian ... length. A statistically significant pattern of changing mean length at depth with month was detected ... , suggesting movement of animals both up and down slope at particular times of year. Months with a high mean ...

    Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 19–36 : Auteur(s): Agnew, D.J., L. Heaps, C. Jones, A. Watson, K. Berkieta and J. Pearce

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