Resultados de la búsqueda

1. Variations in condition indices of mackerel icefish at South Georgia from 1972 to 1997

   ~7l~.soce/1hal~s gurzncrri) m k i p o t i o p a c n p o c T p a H e H a H a m e n b @ e )O>KHO ... ~~ r e ~ p r k i i l ( A H T ~ ~ K T H K ~ ) , a t i O ~ M e p l 1 e ~ t i k t f i IIpOMbICeJI 3 T O ... r O BHAa B e n C R C H a Y a n a 1970-X rr. H ~ B ~ C T H O , YTO 3TZl pb16a B OCHOBHOM ... XOPOLUMM MHflkiIT I ~ B H ~ I ~ ~ QllKJI ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 119–132 : Autor(es): Everson, I. and K.-H. Kock

2. Discrimination of Macrourus whitsoni and M. caml (Gadiformes, Macrouridae) using otolith morphometrics

   knowl- edge gaps. Otoliths form M. whitsoni and M. caml cannot be distinguished from simple observation ... = Macrourus whitsoni. WG2 = M. caml. One specimen of M. caml could not be sexed. A two-sided t-test with ... WG2 Total WGR WG2 1. Testing between species WGR 204 16 220 0.93 0.07 t(525) = –30.29, p ... species Male WGR 36 1 37 0.97 0.03 t(218) = 1.26, p > 0.05 Female WGR 168 15 183 0.92 0.08 Male WG2 ...

   Science Journal Paper : CCAMLR Science, Volume 22 (CCAMLR Science, Volume 22) : 15–28 : Autor(es): Pinkerton, M.H., C. Ó Maolagáin, J. Forman and P. Marriott

3. A preliminary investigation of the possible effects of rhizocephalan parasitism on the management of the crab fishery around South Georgia

   Basson ~ o J I ~ Y ~ H H ~ I ~ pe3ynbTaTbI yKa3bIBaWT Ha H ~ O ~ X O ~ ~ ~ I M O C T ~ 0 6 n o ~ a ... MnM HaMepeHHOTO M3'bRTkiX M 3 nOnynXUMM MH@MQM~oB~HH~IX ~ p a 6 0 ~ . TO B O C O ~ ~ H H O C T ... ~qMe~ ~ p a 6 a HaAO ITpliHMMaTb B PaCYeT napa3kiTM3M. nepeYll~neHb1 OCHOBHbIe AaHHbre, c6op K O T O ... ). It is also highly likely that growth is affected (Hawkes et al., 1986a; O t to a n d MacIntosh ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 175–192 : Autor(es): Basson, M

4. Beyond MSY: a consideration of definitions of management objectives

   is greater that S t' the op spawning stock corresponding to this maximum, the objective of GNAI will ... be met by taking an amount R-S t' so that the escapement (i.e. recruitment op less catch) will ... maintained at S t' then catches op will vary. It can be argued that they are not being sustained, and that ... fishing on the natural rate of increase can be derived from the earlier equations in the form C = R ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 299-322 : Autor(es): Gulland, J.A.

5. Estimating optimal observer coverage in the Antarctic krill fishery

   on board for about 30% of that season. They have achieved a rate of krill sampling equivalent to 18 ... (% ) T ot al h au ls w it h kr ill sa m pl in g (% ) A ca m ar 20 02 30 7 ... 05 46 3 22 4 13 7 61 56 30 41 12 Fe ol en t 20 05 43 1 43 6 32 6 ... Estimating optimal obsErvEr covEragE in thE antarctic krill fishEry D.J. Agnew1, P. Grove2, T. Peatman1 ... been present on board for about 30% of that season. They have achieved a rate of krill sampling ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 139–154 : Autor(es): Agnew, D.J., P. Grove, T. Peatman, R. Burn and C.T.T. Edwards

6. Food and feeding of the mackerel icefish (Champsocephalus gunnari) around South Georgia in January/February 1991

   the hyperiid T. gaudichaudii, krill and mysids form their staple food. A comparison with earlier ... Bundesrepublik Deutschland. Arch. Fisch. Wiss. 30 (Beih.l): 40-61. 19 1:5 41° w 39° 37" 35° .:.::I· ~t ... ubiquitous, albeit much smaller T. gaudichaudii which has a much lower caloric value than krill. In these ... T. gaudichaudii (62.5%), E. superba (22.1 %) and mysids (predominantly A. maxima) (21.3%). Although ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 15–23 : Autor(es): Kock, K.-H., I. Everson, S. Campbell, G. Parkes, Z. Cielniaszek and J. Szlakowski

7. A preliminary assessment of age and growth of Antarctic silverfish (Pleuragramma antarcticum) in the Ross Sea, Antarctica

   derived for both sexes combined are: L ∞ 22.1 cm SL; K 0.167 y –1; t 0 –0.4 years. Parameter estimates ... consecutive modes at 8–9, 30–40 and 50–70 mm in December, and assumed they rep- resented the 0+, 1+ and 2 ... unweighted length­at­age data were fitted to the von Bertalanffy growth model: Lt = L∞ (1 – exp(–K*(t–t0 ... ))) where Lt is the expected length at age t years, L∞ is the asymptotic maximum length, K is the von ... To m o, 1 98 91 ); C os m on au t S ea , M aw so n Se a, P ry dz B ay (G er as im ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 75–86 : Autor(es): Sutton, C.P. and P.L. Horn

8. Precautionary spatial protection to facilitate the scientific study of habitats and communities under ice shelves in the context of recent, rapid, regional climate change

   platforms of land ice that form where glaciers or ice sheets flow towards a coastline and onwards over ... that form fol- lowing ice-shelf collapse will be susceptible to colonisation by species from areas ... to better inform CCAMLR management decisions (CCAMLR, 2009b; www.ccamlr.org/ resolution-30/xxviii ... ); and Subarea 88.3 has 30 individual areas, with a total area under ice shelves of 88 538 km2 (equiva ...

   Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 139–151 : Autor(es): Trathan, P.N., S.M. Grant, V. Siegel and K.-H. Kock

9. A potential feedback approach to ecosystem-based management: Model Predictive Control of the Antarctic krill fishery

   ) provides output in the form of measurable state variables such as biomass and, trivially, catch. An ... simulations. Parameter Value MPC prediction horizon N = 20 Input bounds Umin = [400 400]T Umax = [1 000 ... 1 000]T AUmax = [200 200]T State bounds Xmin = [1 300 1 300 10 10]T Xmax = [104 104 100 100 ... ]T Constraint probability pX = 0.9 Mean steady state harvested species biomass ( ) ( )1, 2,, 5 ...

   Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 119–137 : Autor(es): Hill, S.L. and M. Cannon

10. Distribution characteristics of krill aggregations in the fishing ground off Coronation Island in the 1989/90 season

    \~. P . • . • . • 20 30 • • t • , "' ... I' 50 t I· ... ··"· ", • . 0 . 01 . . I ... QI = catch in haul i; T tp.1 = duration of haul i ; n = number of hauls over the study period ... -east (500 1O'S to 59° 30'S and 43°30'W to 44°W) and south-west (Figure 1). In the daytime, krill was ... dawn (2:30 to 3:00 a.m.) and after five a.m. these swarms migrated downwards (Figure 2b). Mean catch ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 49–73 : Autor(es): Kasatkina, S.M. and V.I. Latogursky

Páginas