Resultados de la búsqueda
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e-sc-xi-a4.pdf
... . This suggests that it may be very difficult to predict where a body of water (with or without krill ... although the general feeling was that a mixed model would probably be most appropriate. 4.27 It ... that further analyses of the acoustic data together with the target net-haul data should be done ... that two were currently fishing. The 1991/92 catch was estimated to be similar to the 1990/91 catch
application/pdf attached to:WG-KRILL-92Meeting Report : WG-KRILL-92
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Size and stage composition of age class 0 Antarctic krill (Euphausia superba) in the ice-water interface layer during winter/early spring
unknown. The aim of this study was to improve the understanding of the krill's interaction with the ... 's energy demand and swimming capacity increase with size and age. The degree of sea ice ... interface (0-2 m) and comparing the size and developmental stage composition of krill with the pelagic ... population (0-500 m). Results show that the population in the Northern Weddell Sea consisted mainly of krill ...
Meeting Document : WG-EMM-16/P16 : Autor(es): F. Schaafsma, C. David, E. Pakhomov, B. Hunt, B. Lange, H. Flores, J.A. van Franeker
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Important aspects of prey distribution for the formation of foraging areas of chinstrap penguins and Antarctic fur seals at Seal Island
suggested that important factors for the formation of daytime foraging areas may be mainly 1), while those ... during pup-rearing period. It was suggested that important factors may be mainly 4) and 6). In conclusion ... , feeding success may not be necessarily associated with dense aggregation of krill, but with distribution ... of overnight foragers may be primarily 3) and secondarily 6) considering chinstrap penguins may have ...
Meeting Document : WG-EMM-97/28 : Autor(es): Bengtson, J.L., Hiruki, L.M., Naganobu, M., Ichii, T., Meyer, W.R., Cameron, M.F., Boveng, P., Takao, T., Miura, A., Jansen, J.K., Kawaguchi, S., Hayashi, T.
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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.
estimates with that for M. In contrast, when sigmoidally shaped selectivity was simulated, and the ... model with no increase detectable for the BODE model. With these caveats, both models can be used to ... 'fully parametric' BODE model is based on the Baranov ODE while the 'semi-parametric' ... ; constant catch ODE (CCODE) model uses a new total mortality ODE with constant within-year catch per unit ... rate, which must be defined given Sa with respect to the unknown Nt,a. Note that if the fishing period ... the requirement that releases should have adequate time to mix with the untagged population in order ... with that for M. In contrast, when sigmoidally shaped selectivity was simulated, and the functional ... model with no increase detectable for the BODE model. With these caveats, both models can be used to ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 1–27 : Autor(es): Candy, S.G.
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Movement and growth of tagged Dissostichus eleginoides around South Georgia and Shag Rocks (Subarea 48.3)
groundfish surveys and CCAMLR observer trips. This includes about 900 that have been injected with either ... pot vessel in international waters at that latitude in 2001. File: 07marlow-etal.pdf ... strontium chloride or oxytetracycline that places a permanent chemical marker on the otolith indicating the ... experimental pot fishing in 2000 and 2001, and have been at liberty from one to two years. Four fish were ... groundfi sh surveys and CCAMLR observer trips. This includes about 900 that have been injected with ... tagging carried out on a toothfi sh pot vessel in international waters at that latitude in 2001. Résumé ... also from deep water. In 2002, however, an observer noted that there appeared to be no rela- tionship ... . Comparisons of the size and date at release with that at recapture, and age estimates from otoliths, allow ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 101–111 : Autor(es): Marlow, T.R., D.J. Agnew, M.G. Purves and I. Everson
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Nota Informativa
with meeting logistics it would be appreciated if online registration could be completed and approved ... . This can be uploaded using the 'My Account' link at the top of the CCAMLR website or as part ... various types of accommodation can be found in the Information brochure (158.05 KB). Please note that the ... (similar to that at the CCAMLR Headquarters in Hobart) will be in operation at all venues for the duration ...
Page : Site Section: Meetings
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e-sc-xxxv-a06.pdf
... decision rules could be advanced by holding a workshop in 2016, perhaps associated with WG-EMM (SC-CAMLR ... operating in a given area, could be a useful way to describe the operation of the fishery that could ... decisions to fish in an area at a particular point in time would be useful in assisting with those studies ... would rest with the vessels’ operator. 2.13 The Working Group agreed that the new online system for
application/pdf attached to:WG-EMM-16Meeting Report : WG-EMM-16
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The sensitivity of multiple output statistics to input parameters in a krill–predator–fishery ecosystem dynamics model
productivity, health, resilience and services. These objectives are also consistent with CCAMLR’s con ... delay difference equation describing krill dynamics in the model can be written as , 1 , , , 1 , ,i t ... of time-step t that remains in i at the end of the time-step; and ( )( ) , , , , , ,1 exp j i ... krill that arrive in i from area j i¹ during time-step t. ,j i sv ® is the instantaneous rate of ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 97–118 : Autor(es): Hill, S.L. and J. Matthews
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Estimating the biodiversity of Planning Domain 5 (Marion and Prince Edward Islands – Del Cano – Crozet) for ecoregionalisation
animals from Planning Domain 5, as is the case with by-catch mortality, it will be necessary for CCAMLR to ... evidence that populations and species may segregate their feeding grounds, which also will need to be ... ). The working group concluded that subtropical areas north of the Planning Domain 5 should be included ... started to evaluate pressures and areas of research that need to be defined (spawning and nursery areas ...
Meeting Document : WG-EMM-12/33 Rev. 1 : Autor(es): P. Koubbi (France), R. Crawford (South Africa), N. Alloncle, N. Ameziane, C. Barbraud, D. Besson, C.-A. Bost, K. Delord, G. Duhamel (France), L. Douglass (Australia), C. Guinet (France), G. Hosie (Australia), P.A. Hulley (South Africa), J. O. Irisson (France), K.M. Kovacs (Norway), R. Leslie, A. Lombard, A. Makhado (South Africa), C. Martinez (France), S. Mormede (New Zealand), F. Penot (France), P. Pistorius (South Africa), P. Pruvost (France), B. Raymond (Australia), E. Reuillard, J. Ringelstein (France), T. Samaai (South Africa), P. Tixier (France), H.M. Verheye (South Africa), S. Vigetta (France), C. von Quillfeldt (Norway) and H. Weimerskirch (France)
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WG-SAM and WG-EMM 2014 Information Note
with meeting logistics it would be appreciated if online registration could be completed and approved ... photo attached to a user profile on the website is sufficient. This can be uploaded using the 'My ... . Social functions Details of events associated with working group meetings in Punta Arenas will be ... , Chile. WG-EMM: to be announced. Further details can be found in the Information brochure (1.41 MB ...
Page : Site Section: Meetings