Результаты поиска
-
Broadbandwidth sound scattering and absorption from krill (Meganyctiphanes norvegica), Mysids (Praunus flexuousus and Neomysis integer) and shrimp (Crangon crangon)
(Meganyctiphanes norvegica) over the acoustical bandwidth of 30 to 210 kHz and compared to similar scattering ... derived with the generic krill shape and scaled to animal length (L). This implies that crustacean target ... volume of the animal. Collectively, these results provide tools for improving the detection of krill and ... apply acoustical measurements of one species to the acoustical characterization of the other. Thus ...
Meeting Document : WG-EMM-04/40 : Автор(ы): S.G. Conti, D.A. Demer (USA) and A.S. Brierley (United Kingdom)
-
Discrimination of Macrourus whitsoni and M. caml (Gadiformes, Macrouridae) using otolith morphometrics
fishery in the Ross Sea region is comprised of two species, rather than being solely Macrourus whitsoni ... otoliths of the two species was sought. Based on 220 M. whitsoni and 307 M. caml otoliths, a linear ... excellent discrimination between the two species (92% success). A method was also developed to discriminate ... identified 90% of otoliths to species and could be applied to otoliths removed from toothfish stomachs to ... 80 60 40 20 0 10 20 30 40 50 60 70 Age (years ... 80 60 40 20 30 40 50 60 70 80 90 TL (cm ... and one specimen was aged at 62 years (Pinkerton et al., 2013). For cases where neither TL nor PAL ... 100 0 30 40 50 60 70 80 90 (c) TL (cm) R ou ...
Science Journal Paper : CCAMLR Science, Volume 22 (CCAMLR Science, Volume 22) : 15–28 : Автор(ы): Pinkerton, M.H., C. Ó Maolagáin, J. Forman and P. Marriott
-
Zooplankton target strength: volumetric or areal dependence?
cylindrical radius). The theoretical models chosen for this comparison were two versions of a high-pass bent ... MHz and the dependence of these data on animal volume versus cross-sectional area was explored The 420 ... normalized by the square of the animal length) versus ka (the product of wave number and equivalent ... -cylinder model (Stanton, 1989b) that indicate TS is dependent on animal volume, and the ray bent-cylinder ...
Meeting Document : WG-Krill-94/13 : Автор(ы): D.A. Demer and L.V. Martin (USA)
-
e-sc-xi-a5.pdf
... surveys over the past few years. 6.54 Trawl surveys in 1989/90 surveys indicated that two abundant year ... (two years, from 1989/90 to 1991/92 in the case of run 3) assuming zero catch, M = 0.48 and mean ... . New Fisheries 6.22 Two notifications of new fisheries in Subarea 48.4 were received by CCAMLR; one ... Notothenia rossii fishery following landings in excess of 500 000 tonnes in the first two years of the
application/pdf attached to:WG-FSA-92
Meeting Report : WG-FSA-92
-
Detection of anti-brucella antibodies in pinnipeds from the Antarctic Territory
in six of the seventeen samples involving the two animal species. It is concluded that a Brucella sp ... Antarctic territory. Sixteen antarctic fur seal (Arctocephalus gazella) and one Weddell seal (Leptonychotes ... territory. Author(s): P. Retamal, O. Blank, P. Abalos and D. Torres (Chile) Title: Detection of anti ...
Meeting Document : WG-EMM-01/46 : Автор(ы): P. Retamal, O. Blank, P. Abalos and D. Torres (Chile)
-
First record of anti-Brucella antibodies in Arctocephalus gazella and Leptonychotes weddellii from Cape Shirreff, Livingston Island, Antarctica
two animal species. It is concluded that a Brucella sp. described as affecting marine mammals in the ... (Arctocephalus gazella) and one Weddell seal (Leptonychotes weddellii) sera were tested by the Rose Bengal test ... Northern hemisphere could be also present in the Antarctic territory. Author(s): Delegation of Chile Title ...
Meeting Document : SC-CAMLR-XVIII/BG/17 : Автор(ы): Delegation of Chile
-
Scientific Abstracts 2002
and Management). Unpublished papers must not be cited without written permission of the author(s ... representative for a wider region. Generally the proportional recruit- ment indices for one- (R1) and two-year ... classes of the age-one group which occur in the samples of some years. WG-EMM-02/21 Seasonal and ... of entanglements showed an increase from recent years, with 20 entan- glements reported over winter ... rossii observed in the last 18 years around the South Shetland Islands may be one of the reasons for ...
Document : Site Section: Publications
-
e-cc-viii-aG.pdf
... MEETING OF THE STANDING COMMITTEE ON OBSERVATION AND INSPECTION (SCOI) The Standing Committee met on 7 ... Contracting Parties for 1989/90; (g) lists of harvesting and research vessels in the CCAMLR Convention Area ... during 1989/90; (h) descriptions of funding arrangements for other international fishery inspection ... inspectors and vessel captains. 9. The Delegation of Japan raised three areas of concern regarding the
application/pdf attached to:SCOI-89
Meeting Report : SCOI-89
-
Telemetry monitoring of ecological resources
transmitters weighing approximately two kg and lasting about one year are routinely being deployed on ... system developed at the University of Minnesota in the mid-1960s 20 • It used two mechanically rotating ... 21 A 30 BACK-UP SERVICE, PTI rp<60 s (per PIT and per day) '. A31 surcharge for more than 6 lac ... PROCESSING, 45 DAYS D 20 PIT HIRE, INCLUDING A 1 0 SERVICE, 90 DAYS D 21 PIT HIRE, WITHOUT PROCESSING, 90 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 495-511 : Автор(ы): Kuechle, V.B.
-
Some thoughts on precautionary measures for the krill fishery
the potential yield model developed by the CCAMLR Scientific Committee039;s Working Group on Krill ... /81 season, over a decade ago, which means that with a lifespan of five to seven years, at least two ... spawning biomass dropping below 20% of its pre-exploitation median level over a 20-year harvesting period ... is 10%; and the median krill escapement1 in the spawning biomass over a 20-year period is 75% of ... leaving A is given by: However, the total number of krill leaving A in one year is also equal to @' . If ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 1–11 : Автор(ы): Everson, I. and W.K. de la Mare
Страницы
- « первая
- ‹ предыдущая
- …
- 187
- 188
- 189
- 190
- 191
- 192
- 193
- 194
- 195
- …
- следующая ›
- последняя »