Search results
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RECENT POPULATION ESTIMATES AND TRENDS IN NUMBERS OF ALBATROSSES AND GIANT PETRELS BREEDING AT THE SUB-ANTARCTIC PRINCE EDWARD ISLANDS
the population on Prince Edward Island decreased by 20% from 2001 to 2008 (3% per year). The estimate of Indian ... group (Marion and Prince Edward islands) was conducted during December 2008, seven years after ... Edward Island, mirroring a decrease of roughly 2% per year at Marion Island from 1998 to 2005, a decline ... remained stable, whereas the population on Prince Edward Island decreased by 20% from 2001 to 2008 (3% per ...
Meeting Document : WG-EMM-10/P4 : Author(s): P.G. Ryan, M.G.W. Jones, B.M. Dyer, L. Upfold and R.J.M. Crawford
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Fishery Report: Dissostichus eleginoides South Georgia (Subarea 48.3)
. Year Sample size for age determination 1998 250 1999 259 2000 298 2001 467 2002 200 2003 200 ... /11 season: (i) if, on average, less than one bird per vessel is caught during the two extension ... the two extension periods in any one season, fishing shall cease immediately for that vessel ... fishing season, five vessels fished within the five-day early extension (26–30 April). One vessel caught ...
Document : Site Section: Publications
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A simulation study of the method of deriving natural mortality rate using data for Champsocephalus gunnari in Subarea 48.3
zero if the assumed value is greater than the “true” one. File: 04-Gasyukov-and-Dorovskikh.pdf ... is greater than the “true” one. ... Na,y rates by age and fishing year, where terminal fishing mortality rates and fishing mortality ... rates for the oldest age group by fishing year are estimated by the tuning algorithm; (iv) mean ... ,y) a+ 1,y+ 1 - a,ye where Sa is selectivity at age a ; Fy is total fishing mortality at year y; Y = 1,2 ... initial data are required: ak - number of age groups; Yk - number of fishing years; M - natural ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 69–83 : Author(s): Gasyukov, P.S. and R.S. Dorovskikh
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Fishery Report: Exploratory fishery for Dissostichus spp. in Subarea 48.6
) skates released alive should be doubled-tagged (i.e. two tags per skate) at a rate of one skate in every ... setting. Carry forward Observers At least two (2) scientific observers, one of whom shall be appointed ... one vessel per country was permitted to fish at any one time (Conservation Measure 41-04 ... 2. 10. Vessels are also required to tag and release Dissostichus spp. at a rate of one fish per tonne ...
Document : Site Section: Publications
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Preliminary analyses of an ectoparasite Eubrachiella antarctica as a marker for stock discrimination of Antarctic toothfish in the Ross Sea
- 88.1J. Up to 15 E. antarctica, one from each of the first fifteen sets in each SSRU, were dissected out ... - 88.1J. Up to 15 E. antarctica, one from each of the first fifteen sets in each SSRU, were dissected out ... for parasites in Small Scale Research Units (SSRUs) 88.1C, 88.2E and 88.2F; and two fish per set in SSRUs 88.1H ... with large scale sampling in future years. Author(s): P.J. Smith, A. McKenzie and L. Tubbs (New Zealand ...
Meeting Document : WG-FSA-06/28 : Author(s): P.J. Smith, A. McKenzie and L. Tubbs (New Zealand)
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SC-CAMLR work on Climate Change (Paper XP19 to CEP–SC-CAMLR Workshop 2016)
. Resolution 30/XXVIII (2009) encourages Members to become engaged in these two programs. The resolution ... to the observational data. Resolution 30/XXVIII (2009) encourages Members to become engaged in these two programs ... that the effects of climate change also includes the effects of ocean acidification. Articles II and IX provide ... of change in Southern Ocean ecosystems (an ICED conference is to be held in 2018) and (ii) the design ...
Meeting Document : WG-EMM-16/71 : Author(s): A. Constable
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CCAMLR-XX
of 20 years of CCAMLR Delegation of Chile CCAMLR-XX/20 Rev. 1 CCAMLR conservation measures: alternative ... françaises adjacentes aux îles Kerguelen et Crozet pour la saison 2000/2001 (1er juillet 2000–30 juin 2001 ... juillet 2000–30 juin 2001). Informations générales sur la zone CCAMLR 58 Délégation française CCAMLR-XX/BG ... twenty years on Submitted by ASOC CCAMLR-XX/BG/19 Illegal, unregulated, unreported toothfish catch ...
Meeting
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Some principles for fisheries regulation from an ecosystem perspective
objectives are being met to be assessed. The advantages of using a feedback method of regulation ... objectives are being met to be assessed. The advantages of using a feedback method of regulation ... not be representative of a population as a whole because of tendencies for animals to segregate by size, age ... qeCTBOM, KOTOPbIM ,l(OJI~HbI 06JIa,l(aT b ,l(OnOnHHTeJIbHbIe I.{eJIH, .l1Bn.l1eTC.l1 TO, qTO' OHH Bblpa ... such as that of Beverton and Holt (1956) is to predict optimum levels of fishing mortality and age at first fishing ... from estimates of growth curves and age-structure of an exploited fish stock. This method falls ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 323-339 : Author(s): de la Mare, W.K.
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Conservation Measure Conservation Measure 41-09 (2018)
Limits on the exploratory fishery for Dissostichus mawsoni in Statistical Subarea 88.1 in the 2018 ... Period in Force: 2018- 2019 ... Limits on the exploratory fishery for Dissostichus mawsoni in Statistical Subarea 88.1 in the 2018 ... vessel participating in the fishery shall have at least two scientific observers, one of whom shall ... shall be conducted by a maximum in the season of one (1) Australian, one (1) Japanese, five (5) Korean ... , three (3) New Zealand, four (4) Russian, one (1) Spanish, five (5) Ukrainian, three (3) UK and one ... to the Secretariat. 41-09 If the by-catch of any one species is equal to, or greater than, 1 tonne in any ...
Conservation Measure : 41-09 (2018)
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Foraging interactions of wandering albatrosses Diomedea exulans breeding on Marion Island with longline fisheries in the southern Indian Ocean
-line fishing fleets. During incubation and large chick-rearing, birds foraged farther away from ... fishing fleets. During incubation and large chick-rearing, birds foraged farther away from the island ... Albatrosses at these two localities are very similar, it is possible that incidental mortality during ... the periods when these two populations show the highest spatial overlap could be driving these trends. Author ...
Meeting Document : WG-FSA-01/10 : Author(s): D.C. Nel, P.G. Ryan, J.L. Nel, N.T.W. Klages (South Africa), R.P. Wilson (Germany) and G. Robertson (Australia)