Search results
-
Age and growth in length of Micromesistius australis, Norman, 1937 (Pisces, Gadidae), in the southern zone of the Argentine Sea
Herwig and Shinkai Marú in agreement with the Argentine Republic, in the years 1978 and 1978/79 ... and t in years. For the estimation of the general equation parameters the first 15 age classes in males ... and Shinkai Marú in agreement with the Argentine Republic, in the years 1978 and 1978/79 respectively ... as: Lt= 58.18 [1-e-0.1709 (t+2.44)] Lt= 63 [1-e-0.1134 (t+5.2)] giving Lt in cm and t in years ...
Meeting Document : SC-CAMLR-V/BG/31 : Author(s): Delegation of Argentina
-
A revised estimate of short-term yield for the mackerel icefish (Champsocephalus gunnari) off Heard Island based on a trawl survey in 1998
in this population. Unlike the previous 3 years, the Age 2 cohort in 1998 is very weak and is expected to contribute ... little to the biomass in subsequent years. If recruitment to Age 2 in 1999 is also weak then the fishery ... the previous 3 years, the Age 2 cohort in 1998 is very weak and is expected to contribute little to the biomass ... in subsequent years. If recruitment to Age 2 in 1999 is also weak then the fishery in 2000 will be predominantly ...
Meeting Document : WG-FSA-98/54 : Author(s): A. Constable and D. Williams (Australia)
-
THE AUSTRALIAN SKATE TAGGING PROGRAM AT HEARD ISLAND AND MCDONALD ISLANDS, CCAMLR DIVISION 58.5.2
the last eight years with nearly 6,000 skates tagged. The recapture rate has been low, less than one ... the majority had been at liberty for several years. In order to enhance the ease of identification of skates ... toothfish fishery, Bathyraja eatonii, B. irrasa and B. murrayi has taken place over the last eight years ... for several years. In order to enhance the ease of identification of skates and to ensure good quality ...
Meeting Document : WG-FSA-08/55 : Author(s): G.B. Nowara and T. Lamb (Australia)
-
Are krill recruitment indices from meso-scale survey representative for larger areas?
are representative for a wider region Generally the proportional recruitment indices for one (R1) and two-year old ... (R2) krill differ substantially between years. However, results were in conformity with the results ... between the krill recruitment of Atlantic and Indian Ocean survey sites. Problems of single-year outliers ... -group which occur in the samples of some years. Author(s): V. Siegel (Germany), R.M. Ross and L.B ...
Meeting Document : WG-EMM-02/20 : Author(s): V. Siegel (Germany), R.M. Ross and L.B. Quetin (USA)
-
Spatial distribution and population structure of juvenile Antarctic toothfish (Dissostichus mawsoni) in the South Shetland Islands (Subarea 48.1)
2 and 7 years in males and between 2 and 8 years in females, respectively. Annual growth rate was estimated from ... of annual growth increments from sagittal otolith sections, age estimates ranged between 2 and 7 years ... in males and between 2 and 8 years in females, respectively. Annual growth rate was estimated from the age ...
Meeting Document : WG-FSA-18/45 : Author(s): M. La Mesa, E. Riginella and C.D. Jones
-
Poor breeding success of the Adélie penguin at Béchervaise Island in the 1998/99 season
to adult birds spending longer at sea foraging than in normal years. In most previous seasons birds have ... " years. Meal masses brought back to the chicks appeared normal, but feeding frequencies were ... spending longer at sea foraging than in normal years. In most previous seasons birds have foraged both ... penguins carried out fewer local trips, and both sexes spent longer at sea than in "good" years. Meal ...
Meeting Document : WG-EMM-99/25 : Author(s): L. Irvine, J.R. Clarke and K.R. Kerry (Australia)
-
Domain 1 MPA designation process: data sharing and future enhanced work
Abstract: During the last years, a large amount of information was gathered and shared in one ... for other countries to develop their own analyses. During these years a solid foundation of collaboration ... During the last years, a large amount of information was gathered and shared in one unique project ... to develop their own analyses. During these years a solid foundation of collaboration and cooperation ...
Meeting Document : WG-EMM-16/73 : Author(s): M. Santos, A. Capurro and C.A. Cárdenas
-
Review of identity and biology of species of the family Macrouridae, from the CCAMLR fishery in the Ross Sea, Antarctica
males is 12 years and 46 cm TL, for females it was 14 years and 50 cm TL. Author(s): P.M. Marriott ... males is 12 years and 46 cm TL, for females it was 14 years and 50 cm TL. ...
Meeting Document : WG-FSA-02/32 : Author(s): P.M. Marriott and P. McMillan (New Zealand)
-
PRELIMINARY ASSESSMENT OF MACKEREL ICEFISH, CHAMPSOCEPHALUS GUNNARI, IN THE VICINITY OF HEARD ISLAND AND MCDONALD ISLANDS (DIVISION 58.5.2), BASED ON A SURVEY IN JULY 2008, USING THE GENERALISED YIELD MODEL
for the area of Division 58.5.2 to the west of 79o 20’ E using standard CCAMLR methods. The strong year class ... of Division 58.5.2 to the west of 79o 20’ E using standard CCAMLR methods. The strong year class ... detected in last year’s survey is now fully recruited as the 2+ cohort, and dominates the population ... detected in last year’s survey is now fully recruited as the 2+ cohort, and dominates the population. ...
Meeting Document : WG-FSA-08/56 : Author(s): D.C. Welsford (Australia)
-
Influence of the quality and quantity of data from a multi-year tagging program on bias and precision of biomass estimates from an integrated stock assessment – update
estimates from an integrated tag-based assessment are influenced by various aspects of a multi-year tagging ... and the resulting data should not be used in stock assessments with only few years of data available. In contrast ... status in the assessment year stabilized or were relatively small with a tag size-overlap over 60-70 ... from a tagging program in recent years only can be sufficiently informative as long as estimates ...
Meeting Document : WG-FSA-12/18 : Author(s): P.E. Ziegler (Australia)