Результаты поиска

1. A quantified Bayesian Maximum Entropy estimate of Antarctic krill abundance across the Scotia Sea and in small-scale management units from the CCAMLR-2000 Survey

   the Scotia Sea and in small-scale management units from the CCAMLR-2000 Survey Abstract / Description ... units (SSMUs), were estimated. Abundance in some of the individual SSMUs had not previously been ... estimated due to the sparseness of data in these regions. The MaxEnt formalism allows an objective choice of ... the error in the density estimates. The total biomass inferred for the survey area was 208 million ... ng E vi d en ce St an d ar d d ev ia ti on M ea n va lu e M ea n er ro r M ax ... (MaxEnt) a permis d’estimer l’abondance du krill antarctique (Euphausia superba) dans l’ensemble de la ... mer du Scotia à partir des données de la campagne CCAMLR-2000 d’évaluation synoptique du krill de la ... zone 48 (campagne CCAMLR-2000) et de tracer la distribution de la densité du krill de toute la région ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 97–116 : Автор(ы): Heywood, B.G., A.S. Brierley and S.F. Gull

2. The role of fish as predators of krill (Euphausia superba) and other pelagic resources in the Southern Ocean (submitted to the 2008 Joint CCAMLR-IWC Workshop)

   resources in the Southern Ocean (submitted to the 2008 Joint CCAMLR-IWC Workshop) Abstract / Description ... of fish as krill predators in the Southern Ocean is critical to understanding how changes in fish ... abundance, such as through fishing or environmental change, are likely to impact on the food webs in the ... region. First attempts to estimate the krill and pelagic food consumption by Antarctic demersal fish in ... underlying statistical model (Pennington, 1983; de la Mare, 1994). Information on pre-exploitation sizes ... OTHER PELAGIC RESOURCES IN THE SOUTHERN OCEAN K.-H. Kock* Institut für Seefischerei Johann Heinrich ... . Barrera-Oro Dirección Nacional del Antártico Ministerio de Relaciones Exteriores, Comercio ... webs in the Southern Ocean (i.e. Kock et al., 2007a; Murphy et al., 2007a). Whether the marine ...

   Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 115–169 : Автор(ы): Kock, K.-H., E. Barrera-Oro, M. Belchier, M.A. Collins, G. Duhamel, S. Hanchet, L. Pshenichnov, D. Welsford and R. Williams

3. 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 ... strategic frameworks for assessing uncertainty in ecosystem dynamics models. Such models have been used ... within CCAMLR to evaluate options for managing the Antarctic krill fishery in the Scotia Sea and southern ... plausible alternative hypotheses in data-poor situations. Apparent sensitivity is a function of both input ... referred to as KPFM, KPFM2 and Foosa in Watters et al. (2005; 2006; 2008a), Hill et al. (2007a, 2007b ... , 2007). Nonetheless, in its simplest form it requires 50 distinct inputs (18 point values, 29 vectors ... and 3 matrices). In the 15 SSMU–four predator configuration developed by Watters et al. (2013), it ... sensitivity of predator reproduction to variations in krill abundance. The alternative scenarios were an ...

   Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 97–118 : Автор(ы): Hill, S.L. and J. Matthews

4. The Soviet krill fishery in the Atlantic Sector of the Antarctic from 1977 to 1991: fishing effort distribution and interannual patterns

   Paper Title:  The Soviet krill fishery in the Atlantic Sector of the Antarctic from 1977 to 1991 ... fishery in the Atlantic Sector of the Antarctic from 1977 to 1992 are discussed. The total fishing effort ... from 1977 to 1991 was 50 086 vessel-days fished, in Subareas 48.3 (45% of the total for the period ... ), 48.2 (36%) and 48.1 (19%). Three distinct patterns in the distribution of monthly fishing effort ... auteurs examinent les données de la pêche soviétique de krill dans le secteur Atlantique de l’Antarctique ... pour la période 1981–1982, de type II pour celle de 1983–1986 et de type III pour celle de 1987–1988 ... uencé la répartition de l’effort de pêche. Les trois types de répartition correspondent à la ... атмосферного переноса и в Подрайоне 48.3 в условиях ее ослабления. Resumen Se analizan los datos de la ...

   Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 1–13 : Автор(ы): Litvinov, F.F., V.A. Sushin, G.A. Chernega and O.A. Berezhinsky

5. Alternative methods for determining subarea or local area catch limits for krill in Statistical Area 48

   Paper Title:  Alternative methods for determining subarea or local area catch limits for krill in ... precautionary catch limit on krill (Euphausia superba) in Statistical Area 48. The measure also implies an ... application in future of precautionary limits to subareas or local areas of this area. Nine alternative ... current fishing patterns; and (vi) the potential for delay in implementing the alternative. An alternative ... . Ces deux methodes pourraient etre applicables dans l'immediat si les pays membres de la CCAMLR ... pe~HMax. Resumen La Medida de conservaci6n 32/X establece un limite de captura precautorio para ... y si la probabilidad de retrasar su aplicaci6n es baja. Por 10 tanto, consideramos relevantes las ... actuales. Estas dos alternativas podrian ser aplicadas de inmediato si los Estados miembros de la CCRVMA ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 237–249 : Автор(ы): Watters, G. and R.P. Hewitt

6. A simulation study of the method of deriving natural mortality rate using data for Champsocephalus gunnari in Subarea 48.3

   Champsocephalus gunnari in Subarea 48.3 Abstract / Description:  A method of determining the rate of natural ... been correctly chosen. Data for Champsocephalus gunnari in Subarea 48.3 are used to show that the ... described method is sound. When a mistake is made in the choice of natural mortality coefficient, the ... estimate of the intercept of the regression is other than zero. A bias in the intercept will be positive if ... de la sous-zone 48.3 sont utili sees pour prouver que la methode decrite est fiable. Si le talix de ... es diferente a cero. El sesgo de la intersecci6n sera positivo si el indice de mortalidad natural ... · permettant de determiner le taux de mortalite naturelle a.' partir de la construction d'une regression entre ... d'intersection de cette regression doit etre egal a zero si le taux de mortalite naturelle a ete identifie ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 69–83 : Автор(ы): Gasyukov, P.S. and R.S. Dorovskikh

7. CPUEs, body length and greenness of Antarctic krill during 1987/88 season in the fishing ground north of Livingston Island

   Paper Title:  CPUEs, body length and greenness of Antarctic krill during 1987/88 season in the ... fishing ground north of Livingston Island Abstract / Description:  In order to identify whether or not ... there was a marked change in two kinds of CPUEs, body length and greenness of krill during the fishing ... season, these parameters were examined for each 10-day period of the Japanese krill fishery in the ... indicator at present. Resume Deux sortes de CPUE, la longueur du corps et la teinte verte du krill ont ... ete examinees pour chaque periode de 1 a jours, pendant la saison 1987/88, pour la pecherie japonaise ... de krill dans les eaux au nord de I'ile Livingston, afin de demontrer si elles denotent un ... changement significatif pendant la saison de peche. Les CPUE et la longueur du corps du krill n'ont pas ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 323–338 : Автор(ы): Endo, Y. and T. Ichii

8. Identifying taxonomic groups vulnerable to bottom longline fishing gear in the Ross Sea region

   Paper Title:  Identifying taxonomic groups vulnerable to bottom longline fishing gear in the Ross ... vulnerable marine ecosystems (VMEs) requires a specific list of the taxa that are considered vulnerable in ... the fishery being assessed. New Zealand identified an interim list of taxa to monitor in fishery by ... -catch in the Ross Sea as part of its benthic fisheries impact assessment. The rationale for including or ... longévité, de la taille de ses organismes et de sa répartition spatiale. D'autres considérations telles que ... considérés comme vulnérables dans la pêcherie faisant l'objet de l'évaluation. La Nouvelle-Zélande, dans le ... à surveiller dans les captures accessoires de la pêcherie de la mer de Ross. Les critères ... d'inclusion ou d'exclusion de chaque groupe taxonomique sont décrits en fonction de sa fragilité, de sa ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 105–127 : Автор(ы): Parker, S.J. and D.A. Bowden

9. Intra-annual variability in the density of Antarctic krill (Euphausia superba) at South Georgia, 2002–2005: within-year variation provides a new framework for interpreting previous ‘annual’ estimates of krill density

   Paper Title:  Intra-annual variability in the density of Antarctic krill (Euphausia superba) at ... and environmental parameters continuously. A distinct seasonal pattern in krill density, recurring ... consistently over all three years, was detected. Krill densities in winter were predominantly low (mean = 18.7 ... g m –2, SD = 24.3), but had risen substantially by summer in each year (mean = 89.5 g m –2, SD ... utilizaron los datos obtenidos de los instrumentos fi jos para determinar si la variación temporal de alta ... mouillage sur le plateau et au large de ce dernier, au nord-ouest de la Géorgie du Sud entre le 14 octobre ... 2002 et le 29 décembre 2005 pour mesurer en continu la densité de krill antarctique, ainsi que des ... paramètres environnementaux. Une tendance saisonnière nette de la densité de krill s’est dégagée, se ...

   Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 27–41 : Автор(ы): Saunders, R.A., A.S. Brierley, J.L. Watkins, K. Reid, E.J. Murphy, P. Enderlein and D.G. Bone

10. The Patagonian toothfish (Dissostichus eleginoides) fishery in the Kerguelen Islands (Indian Ocean sector of the Southern Ocean)

    Paper Title:  The Patagonian toothfish (Dissostichus eleginoides) fishery in the Kerguelen Islands ... eleginoides) have been fished in the Kerguelen Islands zone for 20 years, firstly with trawlers and more ... recently with longliners. This is the oldest fishery targeting D. eleginoides in the Indian Ocean sector of ... the Southern Ocean. However illegal, unreported and unregulated (IUU) fishing has occurred in the area ... pêcherie la plus ancienne du secteur indien de l’océan Austral. Cette dernière, depuis 1997, a cependant ... été confrontée au problème de la pêche INN (illégale, non déclarée et non réglementée). Une analyse ... GLM (modèle linéaire généralisé), effectuée à partir des données statistiques de la pêche légale ... indicatrices d’épuisement local. L’extension bathymétrique de la pêcherie vers des zones de plus en plus ...

    Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 1–25 : Автор(ы): Lord, C., G. Duhamel and P. Pruvost

Страницы