Résultats de la recherche
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The ecosystem approach to managing fisheries: achieving conservation objectives for predators of fished species
across a range of 'ecosystem' effects and, as formulated here, can also be related directly to ... 20-30 years, wl~ich is the critical period over which the system should not be irreversibly changed ... unit of mass, I;, ,, is the predator-specific cost of producing one offspring in that year, and m ... vary from one year to the next and the consequences for the populations of predators of a changing ... may vary from one year to the next. If the environment is changing, then the prey species may assume ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 37–64 : Auteur(s): Constable, A.J
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e-cc-xviii-a4.pdf
... 5.6: ‘5.6 Except in the first financial year when contributions shall be paid within 90 days of the ... in 1994 that a full audit should be performed on average once every two years, and in 1995 that this ... two years, the Committee recommended that the Commission require a full audit to be performed on the ... expressed their support of him continuing his term for another two years. Germany was also re-appointed as
application/pdf attached to:SCAF-99Meeting Report : SCAF-99
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Fish distribution and biomass in the Heard Island zone (Division 58.5.2)
occupies. There was one aggregation area of Lepidonotothen squamifrons on an outlying bank during two ... species were found to be abundant. There were two consistent areas of aggregation of Champsocephalus ... distribution, abundance and biology of the most important species, covering a number of years and seasons. Five ... gunnari, but total abundance varied greatly between years. Channichthys rhinoceratus has a similar ... site in Pike, two in 200, one in 300 and one in species, 200 specimens were selected at random 500 ... density in nearly all strata, high densities were recorded only in two restricted localities. One was on ... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 0 30 60 90 120 150 180 210 240 270 300 330 360 390 420 Standard length (mm) Standard length (mm ... CCAMLR Science, Vol. 2 (1995): 1-20 FISH DISTRIBUTION ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 1–20 : Auteur(s): Williams, R. and W.K. de la Mare
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e-sc-xiv-a5-appE.pdf
... underestimation of the fish’s age by one year (SC-CAMLR-XI, Annex 5, paragraph 6.124). The annual rings seen on ... both trawl catches and surveys and longline catches (Figure 1). 0 20 40 60 80 100 120 140 ... deep water. Post larvae and early juveniles spend at least one year in midwater before settling to ... 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 0 20 40 60 80 100 120 140 160 180 200 males
application/pdf attached to:WG-EMM-Methods-95Meeting Report : WG-EMM-Methods-95
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Movement, growth and available abundance to the fishery of Dissostichus eleginoides Smitt, 1898 at Heard Island, derived from tagging experiments
in the grounds. One fish has been recorded as moving from ground A to Kerguelen and was at the upper ... documented direct evidence of toothfish moving such distances and of fish moving from one fishery to another ... te d nu m be rs (m illi on s) 1998 1999 2000 2001 Year 50 40 30 20 10 0 P re di ct ... la bl e nu m be rs (m ill io ns ) 1998 1999 2000 2001 Year 0 10 20 30 40 50 Pr ed ic ... 00 30 00 40 00 40 00 30 00 30 00 20 00 10 00 50 0 M A R IO N /P . E D W A R D CR O ZE ... mm in total length with about 30 mm protruding from the fi sh. Fish were tagged with one TIRIS tag ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 33–48 : Auteur(s): Williams, R., G.N. Tuck, A.J. Constable and T. Lamb
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Fishery Report: Dissostichus eleginoides and Dissostichus mawsoni (TOT) South Sandwich Islands (Subarea 48.4)
. eleginoides caught in the fishery ranged from 80 to 140 cm in length, with a broad mode at approximately 90 ... class into the fishery (70–80 cm length class). This year class was also observed in the length ... 20% of its median pre-exploitation level, over a 35-year harvesting period, is 10% (depletion ... respective sample of any one year, for each year in the 35-year projection period. 33. The level of ...
Document : Site Section: Publications
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e-sc-xxxvi.pdf
... ) met in Buenos Aires, Argentina, from 26 to 30 June 2017 (Annex 5) and was convened by Dr S. Parker ... Resources met from 16 to 20 October 2017 at the CCAMLR Headquarters in Hobart, Tasmania, Australia. The ... after a two-year projection period. Management advice 3.32 The Scientific Committee recommended ... REPORT OF THE THIRTY-SIXTH MEETING OF THE SCIENTIFIC COMMITTEE HOBART, AUSTRALIA 16–20 OCTOBER
application/pdf attached to:SC-CAMLR-XXXVIMeeting Report : SC-CAMLR-XXXVI
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Status of krill target strength
cause of bias in single-animal measurements, namely thresholding. Theoretical estimates for the target ... dependence of target strength on both animal size and transmit frequency, notwithstanding admitted ... shortcomings. Some recent single-animal measurements of target strength for live euphausiids and euphausiid ... are applicable to a wide range of lengths, acoustic frequencies, and orientation parameters. Author(s ...
Meeting Document : WG-KRILL-92/11 : Auteur(s): K.G. Foote (Norway), D. Chu and T.K. Stanton (USA)
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e-sc-xiv-a5.pdf
... ; • for one vessel, the observer had reported 90 hauls and the vessel 74. The total catch was the same ... immature to spawning in female fish takes about one year for Champsocephalus gunnari and ... this year. These difficulties were primarily the result of the submission of data in unconventional ... vessels revealed a number of discrepancies: • catches from the two report types differed by ±1-2
application/pdf attached to:WG-FSA-95Meeting Report : WG-FSA-95
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e-sc-xxi-a4.pdf
... where the fishery obtains relatively reliable catches from one year to the next for a number of years ... from April to September 1984–1990 indicated the existence of two basic fishing grounds, one east of ... catch in a given year and that the catch remains sufficiently high on average over a number of years ... successfully and 60 meeting documents were submitted by the deadline of 19 July 2002 (two weeks prior to the
application/pdf attached to:WG-EMM-02Meeting Report : WG-EMM-02