Результаты поиска
-
A potential feedback approach to ecosystem-based management: Model Predictive Control of the Antarctic krill fishery
Paper Title: A potential feedback approach to ecosystem-based management: Model Predictive ... Control of the Antarctic krill fishery Abstract / Description: CCAMLR aims to develop a feedback approach ... whether a feedback approach is likely to achieve the multiple objectives that EBM implies in the complex ... Control (MPC) to achieve objectives for a harvested species, its predators and the fishery, in a ... CCAMLR aims to develop a feedback manage- ment approach for the Antarctic krill fishery in the Scotia ... a potential catch limit equivalent to 7% of current global fisheries landings (Hill, 2013a ... - ment derive from control theory (Cunningham and CCAMLR Science, Vol. 20 (2013): 119–137 119 A ... aims to develop a feedback approach to aid ecosystem-based management (EBM) of Antarctic krill ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 119–137 : Автор(ы): Hill, S.L. and M. Cannon
-
A stock assessment model of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea Region incorporating multi-year mark-recapture data
Paper Title: A stock assessment model of Antarctic toothfish (Dissostichus mawsoni) in the Ross ... hence a multi-year mark-recapture tagging program was initiated by New Zealand fishing vessels in 2001 ... abundance from a single release and subsequent recapture events. An integrated Bayesian stock assessment ... showed the data selection provided a precautionary estimate of biomass, and that these estimates were ... distribution is circumpolar, although D. mawsoni have a more southern distribution and are found in latitudes ... ) is defined to include the area between 150°E and 150°W. A distinct fishery also operates further ... (2014): 39–62 39 A stock Assessment model of AntArctIc toothfIsh (Dissostichus mawsoni) In the ross ... seA regIon IncorporAtIng multI-yeAr mArk-recApture dAtA S. Mormede and A. Dunn National ...
Science Journal Paper : CCAMLR Science, Volume 21 (CCAMLR Science, Volume 21) : 39–62 : Автор(ы): Mormede, S., A. Dunn and S.M. Hanchet
-
The sensitivity of multiple output statistics to input parameters in a krill–predator–fishery ecosystem dynamics model
Paper Title: The sensitivity of multiple output statistics to input parameters in a krill ... –predator–fishery ecosystem dynamics model Abstract / Description: There is a global need to develop ... stock or the fishery. Output statistics were most sensitive to a parameter controlling predator ... recruitment through pre-recruit mortality. A parameter mediating the effect of a forcing function on krill ... Watters et al. (2013) describe a spatially resolved stochastic simulation model representing one prey ... and target species, its natural predators and a fishing fleet. Its authors developed this model to ... directly important to the focal species and therefore resembles a minimum realistic model (Plagányi ... means a mathematical representation of a hypothesis about ecosystem dynamics consisting of a model and ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 97–118 : Автор(ы): Hill, S.L. and J. Matthews
-
A hybrid approach to acoustic classification and length estimation of krill
Paper Title: A hybrid approach to acoustic classification and length estimation of krill Abstract ... considered. A euphausiid aggregation is represented by a three-dimensional probabilistic vector whose ... individually for each component of a vector, using classical Bayesian techniques. Classification probabilities ... is derived from a fluid-sphere model. The effectiveness of the method is demonstrated by comparing ... . 11 (2004): 33–58 33 A HYBRID APPROACH TO ACOUSTIC CLASSIFICATION AND LENGTH ESTIMATION OF KRILL ... problem of acoustically identifying and estimating the sizes of two euphausiid species is considered. A ... euphausiid aggregation is represented by a three-dimensional probabilistic vector whose components are the ... component of a vector, using classical Bayesian techniques. Classifi cation probabilities are derived by ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 33–58 : Автор(ы): Azzali, M., I. Leonori and G. Lanciani
-
Significant conservation benefits obtained from the use of a new fishing gear in the Chilean Patagonian toothfish fishery
Paper Title: Significant conservation benefits obtained from the use of a new fishing gear in the ... Chilean Patagonian toothfish fishery Abstract / Description: A new fishing technique, adapted from the ... modified artisanal system, which includes a net sleeve that is placed on secondary vertical lines, has ... zero in 2006; there was also a reduction in depredation of the catch from a maximum of 5% in 2002 to a ... Significant conServation benefitS obtained from the uSe of a neW fiShing gear in the chiLean Patagonian ... , Chile Abstract A new fishing technique, adapted from the artisanal trotline fishery for Patagonian ... toothfish (Dissostichus eleginoides) in Chile is described. The modified artisanal system, which includes a ... number of seabirds killed in 2002 was 1 542 compared to zero in 2006; there was also a reduction in ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 79–91 : Автор(ы): Moreno, C.A., R. Castro, L.J. Mújica and P. Reyes
-
A preliminary investigation of the possible effects of rhizocephalan parasitism on the management of the crab fishery around South Georgia
Paper Title: A preliminary investigation of the possible effects of rhizocephalan parasitism on ... levels of infection by a rhizocephalan barnacle have been found in the population of the crab Paralomis ... spinosissima, which has been harvested by a new fishery around South Georgia (Subarea 48.3) since 1992. One of ... possible implications of parasitism for management are investigated by considering a population model that ... CCAMLR Science, Vol. 1: 175-192 A PRELIMINARY ... Relatively high levels of infection by a rhizocephalan barnacle have been found in the population of the ... crab Paralomis spinosissima, which has been harvested by a new fishery around South Georgia (Subarea ... considering a population model that captures the main characteristics of the system. An age-based host ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 175–192 : Автор(ы): Basson, M
-
Is the attempt to estimate the biomass of Antarctic fish from a multi-species survey appropriate for all targeted species? Notothenia rossii in the Atlantic Ocean sector – revisited
Paper Title: Is the attempt to estimate the biomass of Antarctic fish from a multi-species survey ... was one of the first conservation measures adopted by CCAMLR. Fish biomass within a CCAMLR subarea or ... part of a subarea is commonly estimated from surveys that target a number of species, including N ... violated in the case of N. rossii, which is non-randomly distributed such that a large proportion of the ... Science, Vol. 11 (2004): 141–153 141 IS THE ATTEMPT TO ESTIMATE THE BIOMASS OF ANTARCTIC FISH FROM A ... adopted by CCAMLR. Fish biomass within a CCAMLR subarea or part of a subarea is commonly estimated from ... surveys that target a number of species, including N. rossii, at the same time. These surveys are ... -randomly distributed such that a large proportion of the population tends to aggregate in small areas ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 141–153 : Автор(ы): Kock, K.-H., M. Belchier and C.D. Jones
-
A statistical method for estimating the level of IUU fishing: application to CCAMLR Subarea 48.3
Paper Title: A statistical method for estimating the level of IUU fishing: application to CCAMLR ... Subarea 48.3 Abstract / Description: This paper describes a new method for estimating illegal ... ’ and ‘unseen’ IUU fishing by using a simulation model to arrive at statistically rigorous estimates of ... there must have been at least one encounter with an FPV in a year; no encounters in a year are ... . 12 (2005): 119–141 119 A STATISTICAL METHOD FOR ESTIMATING THE LEVEL OF IUU FISHING: APPLICATION ... paper describes a new method for estimating illegal, unregulated and unreported (IUU) catches of fi sh ... ) cruise data. The method takes explicit account of both ‘seen’ and ‘unseen’ IUU fi shing by using a ... encounter with an FPV in a year; no encounters in a year are interpreted as zero IUU fi shing. For each IUU ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 119–141 : Автор(ы): Agnew, D.J. and G.P. Kirkwood
-
A study of Patagonian toothfish (Dissostichus eleginoides) post-tagging survivorship in Subarea 48.3
Paper Title: A study of Patagonian toothfish (Dissostichus eleginoides) post-tagging survivorship ... , fish with a variety of injuries were selected to see if this affected recovery. In the final analysis ... initial condition had a higher survivorship than large animals and those in poor condition. The results ... suggest that experienced observers using animals in good condition would normally achieve a toothfish post ... CCAMLR Science, Vol. 13 (2006): 279–289 279 A ... seawater replacement for at least 12 hours after tagging. On one vessel, fish with a variety of injuries ... an overall survivorship of 90%. Smaller animals and animals in better initial condition had a higher ... using animals in good condition would normally achieve a toothfish post-tagging survivorship of 95% or ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 279–289 : Автор(ы): Agnew, D.J., J. Moir Clark, P.A. McCarthy, M. Unwin, M. Ward, L. Jones, G. Breedt, S. Du Plessis, J. Van Heerdon and G. Moreno
-
Distribution and relative abundance of juvenile icefish (Champsocephalus gunnari) from a trawl survey of the South Georgia shelf in June–July 1985
) from a trawl survey of the South Georgia shelf in June–July 1985 Abstract / Description: A trawl ... mile protected zone around South Georgia to the 500 m isobath were sampled with a specially designed ... waters of 100–200 m depth. A typical pattern of diurnal vertical migration of fish was observed. To ... obtain a more complete data set, it is recommended that future surveys should cover shallower water areas ... ABUNDANCE OF JUVENILE ICEFISH (CHAMPSOCEPHALUS GUNNARI) FROM A TRAWL SURVEY OF THE SOUTH GEORGIA SHELF IN ... JUNE-JULY 1985 V.A. Boronin, G.P. Zakharov, V.P. Shopov (U.S.S.R.) Abstract A trawl survey of ... mile protected zone around South Georgia to the 500 m isobath were sampled with a specially designed ... waters of 100-200 m depth. A typical pattern of diurnal vertical migration of fish was observed. To ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 55-63 : Автор(ы): Boronin, V.A., G.P. Zakharov and V.P. Shopov
Страницы
- « первая
- ‹ предыдущая
- …
- 42
- 43
- 44
- 45
- 46
- 47
- 48
- 49
- 50
- …
- следующая ›
- последняя »