Resultados de la búsqueda
-
Spatial variation in Antarctic toothfish (Dissostichus mawsoni) catch rate, mean weight, maturity stage and sex ratio across Divisions 58.4.1, 58.4.2 and 58.4.3b
mawsoni) have been operating in Divisions 58.4.1 and 58.4.2 since 2003, however robust stock assessments ... and catch limits according to CCAMLR decision rules have yet to be developed. A key step in developing ... management advice in these Divisions is understanding the distribution, abundance and boundaries of the ... . mawsoni, including in adjacent Division 58.4.3b. Spatial heterogeneity in catch composition indicated that ...
Meeting Document : WG-FSA-17/16 : Autor(es): P. Yates, P. Ziegler, P. Burch, D. Maschette, D. Welsford and S. Wotherspoon
-
Integrated analyses of circumpolar climate interactions and ecosystem dynamics in the Southern Ocean (ICED)
Abstract: ICED is a multidisciplinary, international initiative recently launched in response to ... in the Southern Ocean, the implications for ecosystem dynamics, the impacts on biogeochemical cycles ... , and the development of management procedures. CCAMLR community scientists have been instrumental in ... community in order to maximise the impact of science on the management of Southern Ocean ecosystems. Author ...
Meeting Document : WG-EMM-06/26 : Autor(es): E.J. Murphy (United Kingdom), E. Hofmann (USA) and R. Cavanagh (United Kindom)
-
A GIS tool to assist in the planning and design of sample surveys of the abundance of colonial breeding species
Abstract: A GIS tool to assist in the planning and designing of surveys of colonial breeding ... developed to implement more complex and efficient designs. An example of its potential use is provided. In ... the example the tool is used to sample a population of Adelie penguins in the Holme Bay region of East ... Antarctica as might occur in a real a pilot survey, and the resulting sample densities used to predict the ...
Meeting Document : WG-EMM-05/25 : Autor(es): C. Southwell, R. Dreissen, S. Candy, G. McPherson and J. Clarke (Australia)
-
Beached birds: a guide used by north pacific groundfish observers to identify seabirds incidentally caught in fisheries
Abstract: In the fall of 2002, the U.S. National Marine Fisheries Service (NMFS) purchased 300 ... vessels in the Bering Sea and Gulf of Alaska. This new guide replaces a dichotomous key on looseleaf paper ... of fishery observers to accurately identify seabirds as they come up in the sampled fishing gear ... collection at the NMFS North Pacific Groundfish Observer Program. A copy of Beached Birds is available in the ...
Meeting Document : WG-FSA-03/24 : Autor(es): T. Hass and S. Davis (USA)
-
Connectivity and population structure in Pleuragramma antarcticum
silverfish (Pleuragramma antarcticum) are distributed in independent, discrete populations in the Ross Sea ... populations: i) in the Ross Sea, ii) on the southern Antarctic Peninsula in Marguerite Bay and off Charcot ... (USA) and M. Pinkerton (New Zealand) Title: Connectivity and population structure in Pleuragramma ...
Meeting Document : WG-FSA-11/19 : Autor(es): J. Ferguson, J. Ashford, A. Piñones, J. Torres, W. Fraser, C. Jones (USA) and M. Pinkerton (New Zealand)
-
CONVERSION FACTORS AND GREEN WEIGHT CALCULATION IN THE ANTARCTIC KRILL FISHERY
; The variation in reported conversion factors for similar reported products can be attributed to a ... number of reasons:.; o Differences in the method of processing the same products o Seasonal variation o ... conversion factor) Uncertainty in reported Conversion Factors does not necessarily lead to uncertainty in ... Clark, J., Peatman, T. Title: CONVERSION FACTORS AND GREEN WEIGHT CALCULATION IN THE ANTARCTIC KRILL ...
Meeting Document : TASO-09/06 : Autor(es): Moir Clark, J., Peatman, T.
-
A multi-frequency method for improved accuracy and precision of in situ target strength measurements
accurately measure in-situ target strengths (TS) is dramatically enhanced (98.2-99.4%) by combining ... juxtaposed single-beam transducers. Both methods were utilized to extract in-situ TS measurements of ... Antarctic scatterers simultaneously at 38, 120, and 200 kHz. Differences in the resulting TS measurements ... provided information about the identity of constituents in a mixed species assembly. Author(s): Hewitt ...
Meeting Document : WG-EMM-97/24 : Autor(es): Hewitt, R.P., Soule, M.A., Demer, D.A.
-
On the accuracy of the pellet analysis method to estimate the food intake in the Antarctic shag Phalacrocorax bransfieldensis
through the gastrointestinal tract of the otoliths of fish represented in pellets of the Antarctic Shag ... slightly decreased in February. These estimations, in general, are in line with those previously obtained ... of the pellet analysis method to estimate the food intake in the Antarctic shag Phalacrocorax ...
Meeting Document : WG-EMM-97/61 : Autor(es): Casaux, R.
-
Preliminary results on by-catch of fish during krill fishery in March to May 1993 on the polish trawler M/T Lepus
of their goals was to determine the proportion of juvenile fish forms in krill concentrations. The ... -catch of juvenile fish in the krill fishery was small. and off South Orkney Islands there was no such by ... -catch at all in the samples collected. In both areas a small by-catch from the family Myctophidae was ... during krill fishery in March to May 1993 on the polish trawler M/T Lepus Approval: Approved ...
Meeting Document : WG-FSA-94/25 : Autor(es): Z. Cielniaszek and R. Pactwa (Poland)
-
Diagnostic model of functioning of Antarctic krill population in the Cooperation Sea
mathematical modelling of Antarctic krill population in the Cooperation Sea. The choice of investigation area ... in krill abundance in the Cooperation Sea basing on mathematical modelling. The main task was to ... assess variations in parameters of the ecosystem and its staunchness against their impact. A possibility ... : Diagnostic model of functioning of Antarctic krill population in the Cooperation Sea Approval: Approved ...
Meeting Document : WG-Joint-94/07 : Autor(es): V. Belyaev and M. Khudoshina (Ukraine)