Search results
-
Distribution and abundance of Antarctic krill (Euphausia superba) off East Antarctic (30–80°E) in January–March 2006
and abundance of Antarctic krill (Euphausia superba) off East Antarctic (30–80°E) in January–March 2006 Approval ... Distribution and abundance of Antarctic krill (Euphausia superba) off East Antarctic (30–80 ... of krill, 50% of intervals registered densities of 1 g m-2 of krill or less, and 80% of intervals ... of krill, 50% of intervals registered densities of 1 g m-2 of krill or less, and 80% of intervals ...
Meeting Document : WG-EMM-07/33 : Author(s): T. Jarvis, N. Kelly, E. van Wijk, S. Kawaguchi and S. Nicol (Australia)
-
Entanglement of Antarctic fur seals (Arctocephalus gazella) in man-made debris at Bird Island, South Georgia, during the 2002 winter and 2002/03 breeding season
) are reported here. The overall number of entanglements showed a decrease from last year of 55% in winter and 67 ... years, most individuals observed entangled in debris were juveniles (88% of winter and 81% of summer ... observations), the reasons for this are discussed. Of the entanglements where the animal could be sexed, males ... . The overall number of entanglements showed a decrease from last year of 55% in winter and 67%. Severe injuries ...
Meeting Document : SC-CAMLR-XXII/BG/11 : Author(s): Delegation of the United Kingdom
-
Results of E.L. Holmberg 1995 fish survey in Subarea 48.3
. The age and size structure of this species in the whole subarea 48.3 is characterized the predominance ... . The age and size structure of this species in the whole subarea 48.3 is characterized the predominance ... aggregation of stations in a nested ANOVA model. An increase over last year039;s values was observed ... Abstract: The survey comprised 48 bottom trawl hauls taken in subarea 48.3. About 80 ...
Meeting Document : WG-FSA-95/35 : Author(s): Marschoff, E., Madirolas, A., Balestrini, C., Tossonotto, G., Gonzalez, B., Calcagno, J.
-
Growth models for D. eleginoides for the Heard Island plateau region (Division 58.5.2) calibrated from otolith-based length at age data and validated using mark-recapture data
than 20 years the general trend in the data of length with age did not exhibit obvious asymptotic ... than 20 years the general trend in the data of length with age did not exhibit obvious asymptotic ... fixing the t0 and L? parameters of the VB model to give age zero length of 30 mm and asymptotic length ... model fitted by maximising the VP likelihood. For the 5 to 25 year age range predicted lengths from ...
Meeting Document : WG-FSA-05/64 Rev. 1 : Author(s): S.G. Candy, T. Lamb, A.J. Constable and R. Williams (Australia)
-
Longterm monitoring of krill recruitment and abundance indices in the Elephant Island area (Antarctic Peninsula)
analysis. Results are compared for one (R1) and two year old (R2) age classes. Statistically significant ... . Results are compared for one (R1) and two year old (R2) age classes. Statistically significant ... to the representativeness of the study area (60°- 62°30039;S and 53°- 57°30 039;W) for the recruitment and density ... to the representativeness of the study area (60° - 62°30'S and 53° - 57°30 'W) for the recruitment and density indices ...
Meeting Document : WG-EMM-96/45 : Author(s): de la Mare, W., Loeb, V., Siegel, V.
-
Entanglement of Antarctic fur seals (Arctocephalus gazella) in man-made debris at Bird Island, South Georgia, during the 2003 winter and 2003/04 breeding season
, the number of entanglements increased by 56% compared to last year and the majority of injuries were ... % compared to last year and was the lowest number of entanglements recorded since the first observations were ... . As in previous years, most individuals observed entangled in debris were juveniles (79% of winter and 55 ... % of summer observations). Of the entanglements where the animal could be sexed, males made up the majority ...
Meeting Document : SC-CAMLR-XXIII/BG/14 : Author(s): Delegation of the United Kingdom
-
Aggregation patterns of pelagic predators and their principal prey, Antarctic krill, near South Georgia
distribution of their principal prey, Antarctic krill Euphausia superba Dana. One novel aspect of our analysis ... of their principal prey, Antarctic krill Euphausia superba Dana. One novel aspect of our analysis is an explicit ... . Published in Journal of Animal Ecology (1993) 62, 000-000 Author(s): R.R. Veit (USA), E.D. Silverman (USA ... . Published in Journal of Animal Ecology (1993) 62, 000-000 ...
Meeting Document : WG-CEMP-93/13 : Author(s): R.R. Veit (USA), E.D. Silverman (USA) and I. Everson (United Kingdom)
-
Timescale of ovarian maturation in Notothenia coriiceps (Richardson); evidence for a prolonged adolescent phase
for about one year. The results from a two year study at Signy Island indicate that this adolescent phase ... spawn each season. Two reproductive strategies are considered, one where adverse conditions ... deposition begins to take place. This 'adolescent' phase was thought originally to last for about one year ... reproductive strategies are considered, one where adverse conditions are accompanied by a failure to spawn ...
Meeting Document : WG-FSA-93/26 : Author(s): Inigo Everson (United Kingdom)
-
Possible effects of different levels of fishing on krill on predators - some initial modelling attempts
for certain krill predator species. A "one-way" interaction model is developed, in which krill ... for certain krill predator species. A "one-way" interaction model is developed, in which krill abundance ... Meeting of the CCAMLR039;s WG-Kril1 and WG-CEMP in 1992 to address this issue. First. estimates are made ... resilient to krill harvesting than deterministic evaluations would suggest. However, the analyses also raise ...
Meeting Document : WG-KRILL-93/43 : Author(s): D.S. Butterworth and R.B. Thomson (South Africa)
-
Report on attendance at the Sixth Meeting of the Committee for Environmental Protection Under the Madrid Protocol
in Antarctica. One Member (Chile) noted the value of the precautionary ecosystem approach to issues raised ... in Antarctica. One Member (Chile) noted the value of the precautionary ecosystem approach to issues raised ... of the Antarctic Environment was asked to continue its work under agreed Terms of References. One ... under agreed Terms of References. One of these is to: “Seek the advice of SCAR, CCAMLR, COMNAP ...
Meeting Document : CCAMLR-XXII/BG/11 : Author(s): Chair of the CCAMLR Scientific Committee