Resultados de la búsqueda
-
Fishery Report: Exploratory fishery for Dissostichus spp. (TOT) in Subareas 88.1 and 88.2
), these year classes are not seen in large numbers in later years in the fishery, and there was no ... the most consistently fished SSRUs. In years with favourable ice conditions (2005, 2009, 2011 ... were sparse in some years with very few fish caught and/or measured, the length-frequency ... Antarctic continental shelf, or eastwards with the eastern Ross Sea gyre settling out along the continental ...
Document : Site Section: Publications
-
By-catch of rays in the 2002/03 toothfish fishery around South Georgia
from all observers’ tally periods on the catch rates of rays cut off the line; • In 2003 the UK, with ... the number of rays that were likely to have died as a result of being caught on longlines using a ...
Meeting Document : WG-FSA-03/58 : Autor(es): D.J. Agnew, J. Pearce and M. Endicott (United Kingdom)
-
The diet of Antarctic fur seals Arctocephalus gazella during the breeding season at South Georgia
, the most numerous- fish taxon, 98% were taken between early February and the middle of March ... around South Georgia. The absence of group 3 krill (44-48 mm in length) in the South Georgia area, as ... pattern in three of the four years studied. Of the total number of the myctophid Protomyctophum choriodon ... diet studies to be conducted during the entire pup-rearing periods of several years. Author(s ...
Meeting Document : WG-EMM-95/28 : Autor(es): Arnould, J.P.Y., Reid, K.
-
Fishing for toothfish using pots: results of trials undertaken around South Georgia, March–May 2000
pots with a line length of 5 000 m. During the 112 sets made in the trial period, 150 pots were lost ... carapaces. A total of 177 fish (3% of catch) with a size range of 62 to 136 cm were discarded due to ... these were at maturity stage 1. Very few crabs with eggs at maturity stage 3 (eggs dead) were found. A ... KnbIKaqa B 3 o ~ e A ~ ~ ~ C T B M R OHBeHUPIPI AHTKOM. ~ P H npPIMeHeHPIPI 3TOrO MeTOAa 6b1n IIOJlyYeH ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 93–105 : Autor(es): Agnew, D.J., T.M. Daw, G.M. Pilling and M.G. Purves
-
Preliminary assessment of the South Georgia toothfish stock, 2007
estimates year class strength which corresponds, in some years, with estimates made from the South Georgia ... ). Fits of all data (CPUE; catches at length for the early fishery; catches at age for the later fishery ... retardation than larger fish, and that on average it is 1 year or more. 3. A new model is developed which uses ... Abstract: 1. The catch-at-length based CASAL model for toothfish at South Georgia is updated with ...
Meeting Document : WG-FSA-07/29 : Autor(es): D.J. Agnew, R. Hillary and J. Pearce (United Kingdom)
-
Natural mortality rate in the mackerel icefish (Champsocephalus gunnari) around South Georgia
the same region, but several years later, as is the case with the Frolkina and Dorovskikh (1991 ... and Dorovskikh (1991), with an age/length key from 1972 used to devise a separate age composition ... . The age/length key from 1972 was obtained from a period several years after large-scale fishing ... recruited at age 3 years. Using the assumption that fish are fully recruited to the fishable population ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 245–257 : Autor(es): Everson, I
-
Updated models of the habitat use of Patagonian toothfish (Dissostichus eleginoides) on the Kerguelen Plateau around Heard Island and the McDonald Islands (Division 58.5.2)
stages, up to 2-3 years old, and the implications of sexual and phenotypic variability in growth and ... (Dissostichus eleginoides) in the CCAMLR area, with landings of >5000 t.yr-1 from the French EEZ (Division ... with depths suggesting spatial segregation of life stages. Spatial predictions showed that small ... larger fish inhabit deeper waters (>1500m) especially on the eastern part of the Plateau, where the ...
Meeting Document : WG-FSA-14/42 : Autor(es): C. Péron and D.C. Welsford (Australia)
-
The ecosystem approach to managing fisheries: achieving conservation objectives for predators of fished species
3 in the food web. The siinulatio~i is seeded with initial values for each of the five species ... and run for 500 years before a trial begins. The trial is run for 100 years with fishing beginning ... respectively, and (d) Predator 3 with selection values of prey species 1 and 2 being 0.2 and 1.0 respectively ... inainmals - M AG Americas, 2000) Age at maturity (years) Plus class Natural mortality (year-]) Body ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 37–64 : Autor(es): Constable, A.J
-
Zooplankton: Trophic modelling of the Ross Sea
the early start to spawning of E. crystallorophias compared with E. superba (Makarov et al. 1991). E ... shallower; (3) that between these depths, E. crystallorophias density decreases linearly with depth. These ... researchers, equipment and methodologies of carrying out abundance assessments in 3 different years; (2 ... ) differences in the timing of the work; (3) variations in changes in krill abundance with season in different ...
Document : Site Section: Publications
-
Lista de las medidas de conservación vigentes en la temporada 2001/02
site To be reviewed every five years in accordance with Conservation Measure 18/XIX (last review in ... with Conservation Measure 18/XIX (last review in 2000). 2/III 3/IV 4/V CONSERVATION ... using this gauge in accordance with Article 2. 4/V 3 ARTICLE 5 Determination of the Mesh Size ... one series of 20 meshes, selected in accordance with Article 3, inserting the gauge manually without ...
Document : Site Section: Publications