Résultats de la recherche

1. Marine debris: a persistent and emerging threat to antarctic ecosystems

   evidence suggests that microplastic concentrations in the Southern Ocean are higher than previously thought ... the Southern Ocean will require a collaborative effort between CCAMLR and other Antarctic Treaty ... Abstract:  CCAMLR has had success in tackling marine debris from local sources in the Southern ... Ocean; however it remains a persistent threat. Current understanding of the distribution and impacts of ...

   Meeting Document : SC-CAMLR-XXXVI/BG/29 : Auteur(s): Submitted by ASOC

2. e-sc-xxviii-a4.pdf

   ... throughout the Southern Ocean. (ii) Consider the current estimates of biomass, distribution and ... FEMA2. 2.4 The Working Group noted work in other areas of the Southern Ocean on the food-web ... ........................................................................ 156 ECOSYSTEM EFFECTS OF FISHING FOR KRILL ..................................... 158 Krill ... krill fishery and scientific observation of the fishery............................... 162 Fishing application/pdf attached to:WG-EMM-09

   Meeting Report : WG-EMM-09

3. Temporal changes in sighting density indices of baleen whales in CCAMLR Subareas 48.1 and 48.2 based on three circumpolar sighting surveys

   Cetacean Research’ (IDCR) and Southern Ocean Whale and Ecosystem Research (SOWER), which were organized ... whales in the krill fishing/top predators feeding areas, and the impact on land-based predators. Author(s ...

   Meeting Document : WG-EMM-16/26 : Auteur(s): L.A. Pastene and T. Hakamada

4. Spatio–temporal dynamics in maturation and spawning of Patagonian toothfish Dissostichus eleginoides on the subantarctic Kerguelen Plateau

   Sector of the Southern Ocean based on gonads and otoliths collected between years 2004–2015, and using ... types and fishing depths, and variable sampling regimes likely influenced these variations. This study ... histological analyses and macroscopic gonad staging indicated that many fish that had spawned, as indicated by ... indistinguishable from maturing fish. Furthermore, the occurrence of females of all size classes with low ...

   Meeting Document : WG-FSA-17/P04 : Auteur(s): P. Yates, P. Ziegler, D. Welsford, J. McIvor, B. Farmer and E.Woodcock

5. Multinational large-scale krill synoptic survey in CCAMLR Area 48 in 2019 – survey plan and protocol for consideration by SG-ASAM 2018

   collaborative efforts of Norway, Association of Responsible Krill fishing companies (ARK: companies from Norway ... still needs to confirm their participation. The current survey plan organization is presented for ...

   Meeting Document : SG-ASAM-18/07 : Auteur(s): B.A. Krafft, O.A. Bergstad, T. Knutsen, G. Skaret and G. Macauley

6. Connectivity and population structure in Pleuragramma antarcticum along the west Antarctic Peninsula

   , reduction in sea-ice along the WAP may lead to extinction of local populations through drastic mortality of ... populations at 1) the north tip of the Peninsula, and 2) the southern WAP encompassing Charcot Island and ...

   Meeting Document : WG-FSA-10/16 : Auteur(s): J. Ashford, J. Ferguson, A. Piñones, J. Torres and W. Fraser

7. Composition and characteristics of ichthyofauna in pelagic waters of South Georgia (Subarea 48.3)

   pelagic surveys. Horizontal distribution and length composition of fish, as well as the comparative ... of young and adult fish was also different. Large fishes were most often taken near the bottom, while ... fish taken by the sampling trawl in the water column was found to be krill. Aggregations of juvenile C ... from the southern fishing grounds; in only a few years was it observed in the northern areas of the ... sub-Antarctic and Antarctic waters of the Southern Ocean. Significant catches were taken on the ... . charcoti and R. glacialis (Table 2). T. eulepidotus in the Atlantic sector of the Southern Ocean had ... P.C. Heemstra (Eds). 1990. Fishes of the Southern Ocean. J.L.B. Smith Institute of Ichthyology ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 125–164 : Auteur(s): Frolkina, G.A., M.P. Konstantinova and I.A Trunov

8. Fishery Report: Dissostichus eleginoides Heard Island (Division 58.5.2)

   the main fishing grounds. 8. Harvest controls and management advice 8.1 Conservation measures ... /09 3 2500 1168 10 1287 2464 0 2464 2009/10* 3 2550 1237 0 644 1881 0 1881 * Fishing season ends ... 30 November. 2. The spatial and temporal structure of the fishing for D. eleginoides is summarised ... in Table 2. The Working Group noted that a minor amount of longline fishing has occurred in trawl ...

   Document : Site Section: Publications

9. Biological parameters for icefish (Chionobathyscus dewitti) in the Ross Sea, Antarctica

   during the 2005/06 fishing season. These observers were placed on board three longline vessels targeting ... from 303 specimens were collected. These data included species identification, fish length, weight, sex ... for defining length–weight relationships were calculated and presented for both male and female fish ... . Gonad maturity stage data showed that most fish were either immature or resting (mature). Gonadosomatic ... Southern Ocean (Kock, 2005a, 2005b). They pos- sess adaptations suited to the extreme environ- mental ... that young icefish occurring in the Southern Ocean are pelagic or migrate regularly into the water ... . Iwami, T. and K.-H. Kock. 1990. Channichthyidae. In: Fishes of the Southern Ocean. Gon, O. and P.C ... in the Southern Ocean. Ant. Sci., 18 (2): 223–227. McCullagh, P. and J.A. Nelder. 1989. Generalized ...

   Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 139–165 : Auteur(s): Sutton, C.P., M.J. Manning, D.W. Stevens and P.M. Marriott

10. Seamount-specific biomass estimates from SSRU 88.2H in the Amundsen Sea derived from mark-recapture data

    complex, and residence time on particular seamounts declines rapidly over 1–4 years. Fishing has occurred ... in the percentage of the population tagged due to the annual immigration of untagged fish, along with ... calculated for SSRU 88.2H as a whole. The analyses indicate that: Fish seldom move among seamounts within the ... in recapture rates of annual cohorts of tagged fish through time in SSRU 88.2H indicates a decrease ...

    Meeting Document : WG-FSA-14/58 : Auteur(s): S.J. Parker and S. Mormede (New Zealand)

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