Resultados de la búsqueda
-
Fish by-catch in the krill fishery: 2016 update
-catch in a 300 000 t krill fishery would be 370 t, comprising 40% Champsocephalus gunnari and 30 ... Abstract: Data on fish bycatch in the krill from Commercial catch data (95 513 hauls) and CCAMLR ... overlap in the most frequently reported taxa in the C1 data and SISO data, with Lepidonothen larseni and ... Chaenodraco wilsoni the most frequently reported in both datasets. The estimated total annual mass of fish by ...
Meeting Document : WG-FSA-16/04 : Autor(es): CCAMLR Secretariat
-
Observer activities on Japanese krill fishing vessels in the CCAMLR Convention Area
. Although the increase of expected catch of krill notified in recent years has caused concerns among some ... Abstract: Unlike toothfish fishery, IUU fishery is not a serious concern in krill fishery ... urgent management concern related to krill fishery. In addition, CCAMLR XXV agreed “that the priorities ... on Japanese krill fishing vessels in the CCAMLR Convention Area Approval: Approved ...
Meeting Document : CCAMLR-XXVI/BG/41 Rev. 1 : Autor(es): Delegation of Japan
-
Revised progress report for the fourth year of the research fishery for Dissostichus spp. in Subarea 48.6 being jointly undertaken by Japan and South Africa
Abstract: A multi-year research plan as outlined in CM 41-04 (2012, 2013, 2014) was initiated in ... Title: Revised progress report for the fourth year of the research fishery for Dissostichus spp. in ... in the research project in each of the three fishing seasons and the progress achieved during the ... first 3.5 years is reported. The emphasis of the progress report is on block 486_2, since more tag ...
Meeting Document : WG-FSA-16/56 : Autor(es): S. Somhlaba, R. Leslie, K. Taki, T. Ichii and T. Namba
-
Krill aggregation characteristics: spatial distribution patterns from hydroacoustic observations. Polar Biology (in press)
superba Dana) aggregations detected and sized acoustically in the south-west Indian Ocean are described ... . The aggregations were on average considerably smaller than elsewhere in the Antarctic. Aggregation ... aggregations heavier than 1 t, and of aggregations 20 km on either side of such aggregations was similarly ... is consistent with the absence of pronounced hydrographic or topographic concentrating mechanisms in ...
Meeting Document : WS-KCPUE-89/11 : Autor(es): D.G.M. Miller and I. Hampton (South Africa)
-
Commercial fishing in the Ross Sea
Abstract: COLTO members have been fishing for toothfish in the Ross Sea for the past 15 years ... . The New Zealand Seafood Industry Council, representing NZ toothfish operators in COLTO, have prepared ... operations in the Ross Sea region. The information sheet provides basic data on Antarctic Toothfish ... currently exist in the Ross Sea. It also highlights some of the findings of Ross Sea independent research ...
Meeting Document : CCAMLR-XXXI/BG/35 : Autor(es): Submitted by COLTO
-
Developments towards an investigation of potential bias from the analysis of tag–release and recapture data in Ross Sea Antarctic toothfish abundance estimates
Abstract: This report outlines developments towards evaluating bias in abundance estimates for ... the current tagrecapture programme for Antarctic toothfish in the Ross Sea. We present an initial ... spatial pattern of tag releases and recovery effort has changed over the years that the tagging programme ... potential bias from the analysis of tag–release and recapture data in Ross Sea Antarctic toothfish abundance ...
Meeting Document : WG-FSA-SAM-06/10 : Autor(es): A. Dunn (New Zealand)
-
Spatio-temporal trends of longline fishing effort in the Southern Ocean and implications for seabird by-catch
fleets south of 30?S has been well over 250 million hooks per year since the early 1990s. However the ... distant-water pelagic fleets began fishing for tuna and tuna-like species in the early 1950s. Along with ... thousands of baited hooks in a day across many kilometres of water. These waters are often used as foraging ... Ocean’s longline fleets on seabird populations, this paper describes the trends in longline effort of the ...
Meeting Document : WG-FSA-02/43 : Autor(es): G.N. Tuck, T. Polacheck and C.M. Bulman (Australia)
-
Milk consumption and growth efficiency in Antarctic fur seal (Arctocephalus gazella) pups
before decreasing significantly in the last 30-40 days of lactation. Per-bout milk consumption was ... between the sexes in any year. Both per-bout and per-day milk consumption increased steadily with age ... consumption was determined on 388 occasions in 177 pups. Mean estimates of milk consumption ranged from 2.5 to ... 2-day maternal attendance periods (feeding bouts). There were no differences in milk consumption ...
Meeting Document : WG-EMM-97/11 : Autor(es): Socha, D.G., Arnould, J.P.Y., Boyd, I.L.
-
Revised selectivities for Dissostichus eleginoides taken by longliners in Subarea 48.3
selectivities for the years 1995 – 2000 for input to the GYM assessment. In this paper, I propose a revised ... method for estimating the selectivities based on an assumption that the proportions of the total CPUE in ... an area for a particular length class that are taken in different depth zones are Beta-distributed ... for Dissostichus eleginoides taken by longliners in Subarea 48.3 Approval: Approved ...
Meeting Document : WG-FSA-02/64 : Autor(es): G.P. Kirkwood (United Kingdom)
-
Standardised estimates of D. eleginoides catches per effort in Subarea 48.3 using information for 1985/86–1990/91 seasons
tooth-fish in Subdivision 48.3 during 1986-199 1 is presented. The fishery was mainly carried out in ... -100 cm, which exceeded modes for the latest years of fishery. Using the generalized additive model the ... catch per effort estimates for 1986-99 were standardize. The fishery efficiency in 1986-95 was ... approximately similar, while in 1996-99 it decreased sharply. It is shown that significance of such factors as a ...
Meeting Document : WG-FSA-00/33 : Autor(es): P. Gasiukov (Russia) and V. Bibik (Ukraine)