Resultados de la búsqueda
-
Maximum entropy reconstruction of stock distribution and inference of stock density from line-transect acoustic survey data
allows the most efficient possible use of known data in the inference process. The method takes explicit ... account of spatial correlation in the observed data and seeks to reconstruct a distribution of density ... method is computationally demanding but appears to work well, even in cases when the distribution of ... distribution from acoustic line-transect data. MaxEnt is founded on the bedrock of probability theory and ...
Meeting Document : WG-EMM-02/35 : Autor(es): A.S. Brierley, S.F. Gull and M.H. Wafy (United Kingdom)
-
Decline of Antarctic fur seal (Arctocephalus gazella) population at SSSI No. 32, South Shetlands, Antarctica, during 1997/98: a discussion of possible causes
Abstract: Little is known of what happened after the exploitation period with the population of ... the northen tip of Livingston island, where the most important colony of this species on the South ... Niño event, although lower mean weights are reported. Nevertheless, we expect to see during the ... Antarctic fur seal (Arctocephalus gazella) on the Antarctic peninsula region, specifically on the South ...
Meeting Document : WG-EMM-98/17 : Autor(es): R. Hucke-Gaete, D. Torres, A. Aguayo and V. Vallejos (Chile)
-
Project of a software catalog of skeletal elements from Antarctic fish species, including some identification facilities
Abstract: In our study skeletal elements from fish species of the Antarctic waters were extracted ... , including a database of bone pictures and in the near future various identification keys as well, completed ... by a simple tool to compare the same skeletal elements of different species. In the database most of ... the skeletal elements of the cranial and axial skeleton (apart from a few bones of the neurocranium ...
Meeting Document : WG-FSA-05/35 : Autor(es): J. von Busekist, M. Vacchi and G. Albertelli (Italy)
-
INGESTION OF FISHING GEAR AND ENTANGLEMENTS OF SEABIRDS: IMPLICATIONS FOR MONITORING AND MANAGEMENT
of a 16 year dataset collected at Bird Island indicated that the amount of gear found in association ... corresponding with a substantial increase in the number of multifilament snoods (gangions), suggesting that the ... legislation prohibits discarding of gear (hooks and line) in offal, and compliance is often unknown. Analysis ... with wandering albatross colonies was an order of magnitude greater than in any other species ...
Meeting Document : WG-IMAF-09/10 : Autor(es): R.A. Phillips, C. Ridley, N. Harrison (United Kindom), K. Reid (Secretariat), G.N. Tuck (Australia) and P.J.A. Pugh (United Kingdom)
-
Distribution and biological characteristics of two toothfish species of genus Dissostichus (family Nototheniidae) off Bouvet Island
vertical distribution of toothfish in the fishing area were analyzed also. Author(s): A.F. Petrov ... ) toothfish, were registered during the fishery on Dissosyichus spp. on the shelf edge and slope of Bouvet ... surrounding the island. The vertical distribution of two species was differentiated distinctly, with the ... crossover point at depth of 1300 m. For both species the size and weight compositions were studied; indices ...
Meeting Document : WG-FSA-11/17 : Autor(es): A.F. Petrov (Russia)
-
Estimation of size at maturity and calculation of an appropriate size limit for male Paralomis formosa
claws). Given the uncertainty in sBC and the lack of information about body size growth rates, a wide ... -specific, median chela height of Paralomis formosa. The second derivative of the spline which made the best ... - carapace width, and Pr(72mm ≤ sBC ≤ 90mm) ≈ 0.95. The spline modeling technique appears to overcome some of ... be made to make the spline technique more robust to outliers in Y-space (crabs with regenerating ...
Meeting Document : WG-FSA-96/35 : Autor(es): Watters, G.
-
Features of growth of young Weddell seal
. Studies of the growth (at birth to 21 days age) of young seals were conducted. Seven seals born in the ... every three days. The live weight was determined by using the obtained data in different periods of ... “Akademik Vernadsky” station were used in the experiment (two males and five females). They were weighed ... Abstract: Features of behavior, birthing process, pups nursing of Weddell seals were studied ...
Meeting Document : WG-EMM-12/21 : Autor(es): A. Salhanskyy (Ukraine)
-
Proposals for study of spatial-temporal dynamics of krill distribution for management applications
providing sufficient information with the aim of quantitative understanding regularities and trends of krill ... spatial distribution in the Scotia Sea being the important information for developing management strategy ... for krill stock in the Area 48. Proposals concerning scientific activity needed for resolving issues ... are shown. Practical implementation of these proposals will contribute to attaining CCAMLR goals in ...
Meeting Document : SC-CAMLR-XXX/BG/09 : Autor(es): Delegation of Russia
-
An analysis of within-season recaptures of tagged toothfish
Abstract: In response to a request from WG-SAM, the secretariat inspected the available data on ... toothfish within-season recaptures (i.e. fish that have been tagged and recaptured in the same fishing ... season). Despite short times at liberty, the frequency distribution of distances between tag and ... recapture locations for these fish was similar to that of all recaptured fish. The relative frequency of ...
Meeting Document : WG-FSA-13/01 : Autor(es): Secretariat
-
Length-age composition of icefish (Champsocephalus gunnari, perciformes, notothenioidei, Channichthyidae) from different locations of South Georgia Island subarea
. Larger number of "mature" fish in the west is related to migration from eastern area of ... Ch.gunnari length-age composition structure at early years of life for fish inhabiting areas to the south of ... maturing individuals as they grow. It has been defined that a part of western group of fish at the age of 2 ... -3 years had been migrating towards the Shag Rocks. It has been found that predomination of ...
Meeting Document : WG-FSA-00/32 : Autor(es): Zh.A. Frolkina (Russia)