Resultados de la búsqueda
-
Logo de la CCRVMA
. It is used in print publications, stationery and electronic forms of communication, including email ... CCAMLR logo adorns the Headquarters building in Hobart, Australia. The logo consists of a map of ... ] org (subject: CCAMLR%20logo%20request) (Secretariat). Logo formats The CCAMLR logo is available in ... both horizontal and stacked versions. In each case the map is 'locked' to the acronym CCAMLR ...
Page : Site Section: The Organisation
-
Proposed initiative to contribute to Ross Sea region MPA research and monitoring activities using pop-up satellite tags and otolith chemistry on Dissostichus mawsoni
Sea, potentially including different zones of the RSRMPA, and vertical movements in the water column ... . The otolith microchemistry component is designed address key gaps in relation to the Ross Sea ... whether ecosystem services are provided in the form of fish exported from the RSRMPA GPZ(i) to habitats ... survey to monitor abundance of Antarctic toothfish in the southern Ross Sea in 2018/19 (Stevens et al ...
Meeting Document : WS-SM-18/16 : Autor(es): C.D. Jones
-
On the instantaneous natural mortality rate of Champsocephalus gunnari, South Georgia (Subarea 48.3)
Champsocephalus gunnari in the South Georgia area was assessed using six different methods. Data on size ... composition of catches from 1964/65 to 1968/69 and the age/length key for the first half of 1972 were used in ... suggested that M =0.56 should be used in stock assessment for C. gunnari in Subarea 48.3. File: 19-Frolkina ... * * Abstract The instantaneous rate of natural mortality (M) of Champsocephalus gunnari in the South Georgia ... 1968/69 and the age/length key for the first half of 1972 were used in the calculations. The results ... used in stock assessment for C. gunnari in Subarea 48.3. Resume Le taux instantane de mortalite ... , Beverton and Holt and several other methods. Therefore in 1989 the CCAMLR Working Group on Fish Stock ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 313–326 : Autor(es): Frolkina, G.A. and R.S. Dorovskikh
-
Estimating the biodiversity and distribution of the northern part of the Kerguelen Islands slope, shelf and shelf-break for ecoregionalisation: benthos and demersal fish
initiated by Arnaud, Délepine, Hureau and Rannou. Sampling was done mainly close to the coast, and in ... have already been studied, although a number of them are still to be sorted and studied. In 1987 and ... species of ascidians and 11 species of cnidarians. All these data are available in the literature and geo ... -referenced. The French MPA project in Kerguelen will study Essential Fish Habitat, VME and patterns of ...
Meeting Document : WS-MPA-11/09 : Autor(es): N. Améziane, M. Eléaume, P. Pruvost, G. Duhamel and Kerguelen group (France)
-
Cooperación con otras organizaciones
the organisations referred to in this Article and with other organisations as may be appropriate. The ... possibly involved in the landing and/or trade of toothfish are invited to cooperate with CCAMLR through ... organisations, including through participation, as observers, in each others' meetings (MOUs and ... Arrangements are available in English only): Agreement for the Conservation of Albatrosses and Petrels (ACAP ...
Page : Site Section: The Organisation
-
e-cc-sm-i.pdf
... Members of the Commission were in attendance: Argentina, Australia, Belgium, Chile, European Economic ... the Government of Brazil in accordance with Article VII, 2 (d) of the Convention notified the ... deemed to have satisfied the requirements for Commission Membership’. 5. In case of the notification ... bearing in mind the Guidelines adopted at the Fourth Meeting noted the extensive marine biological
application/pdf attached to:CCAMLR-SM-IMeeting Report : CCAMLR-SM-I
-
Modelling catch and effort data using generalised linear models, the Tweedie distribution, random vessel effects and random stratum-by-year effects
CCAMLR areas is to model the haul-by-haul ratios of catch to effort as the response variable in a ... . Tweedie distribution) for catch that, unlike lognormal or gamma distributions, admits zero values. In ... model (GLMM), in order to provide more efficient estimates of the standardised CPUE time series and more ... as a result of the imbalance in the number of hauls in the year-by-vessel cross-classification ... in a generalised linear model (GLM) with a square-root link function and a unit variance function. A ... values. In addition, random vessel effects are introduced into the GLM, as specifi ed by a generalised ... linear mixed model (GLMM), in order to provide more effi cient estimates of the standardised CPUE time ... -vessel information as a result of the imbalance in the number of hauls in the year-by-vessel cross ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 59–80 : Autor(es): Candy, S.G
-
Records of fishing hooks associated with albatrosses at Bird Island, South Georgia, 1992/93
Abstract: At least six instances of long-line fishing gear (especially hooks) in association with ... breeding black-browed and wandering albatrosses were recorded at Bird Island, South Georgia in 1992J93 ... . Although similar observations had been made in previous seasons, this is the highest incidence yet recorded ... in a single season. Author(s): Delegation of United Kingdom Title: Records of fishing hooks ...
Meeting Document : SC-CAMLR-XII/BG/07 : Autor(es): Delegation of United Kingdom
-
Estimation of natural mortality using catch-at-age and aged mark-recapture data: a multi-cohort simulation study comparing estimation for a model based on the Baranov equations versus a new mortality equation.
process error in predicted catch-at-age numbers. Simulations assumed 1 000 releases per year over 12 years ... perturbation by observational error were also carried out for each model in order to investigate the effect on ... estimates with that for M. In contrast, when sigmoidally shaped selectivity was simulated, and the ... functional form of selectivity was correctly specified in the BODE model, both models gave close to unbiased ... the BODE model requires an extra component to the log-likelihood which defines the process error in ... error were also carried out for each model in order to investigate the effect on estimation of M ... with that for M. In contrast, when sigmoidally shaped selectivity was simulated, and the functional ... form of selectivity was correctly specified in the BODE model, both models gave close to unbiased and ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 1–27 : Autor(es): Candy, S.G.
-
Estimation of effective sample size for catch-at-age and catch-at-length data using simulated data from the Dirichlet-multinomial distribution
‘effective sample size’ (ESS) in integrated assessments is an approximate but simple way of modelling the ... empirical coefficient of variation (CV) in the proportions, with one being based on an existing CV model ... accuracy in the following order: (i) the estimator based on the existing CV model; (ii) that based on the ... method. To account for process error in the calculation of the ESS, the lack of fit of the age-structured ... Email – steve.candy@aad.gov.au Abstract The incorporation of ‘effective sample size’ (ESS) in ... for the empirical coefficient of variation (CV) in the proportions, with one being based on an ... with increasing accuracy in the following order: (i) the estimator based on the existing CV model ... than the best haul-level method. To account for process error in the calculation of the ESS, the lack ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 115–138 : Autor(es): Candy, S.G