Résultats de la recherche
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Acoustic estimates of krill density at South Georgia, 1981 to 1998
11 austral summers between 1981 and 1998 are presented. Krill density at the island fluctuated widely ... from year to year over that time, ranging from ≈ 2 to ≈ 150 g m-2 (fresh mass). The 1982, 1991 and ... % confidence limits <15 g m-2). For five of the summers between 1990 and 1998 it was possible to calculate ... density was higher to the east. File: 04brierley-etal.pdf ... , it is perhaps surprising that no similar decline was observed at South Georgia given the ... Georgia during 11 austral summers between 1981 and 1998 are presented. Krill density at the island ... fluctuated widely from year to year over that time, ranging from =2 to =l50 g m-2 (fresh mass). The 1982 ... 95% confidence limits
the summers between 1990 and 1998 it was possible to ... Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 47–57 : Auteur(s): Brierley, A.S., J.L. Watkins, C. Goss, M.T. Wilkinson and I. Everson
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e-sc-iv.pdf
... representative from the EEC made a verbal report that no scientific or fisheries activities had been undertaken ... Antarctic Fish Stocks’ (BIOMASS Scientific Series No. 6). It congratulated the three authors concerned on ... No.6). 6 4.11 The Committee also noted that at the time of the Working Group meeting, the ... , there is no indication that recruitment has, up to the present, been affected. Though the information
application/pdf attached to:SC-CAMLR-IVMeeting Report : SC-CAMLR-IV
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Distribution of fish larvae at South Georgia: horizontal, vertical, and temporal distribution and early life history relevant to monitoring year-class strength and recruitment
East Bay the early stages of many species were found throughout the water column. In summer only four ... / Description: Four studies on the early life history stages of Antarctic fish at South Georgia are reported ... . In winter and summer fish larvae and early juveniles were present over the continental shelf and ... abundant near the coast, but rare in oceanic waters. During winter in the 265 m deep fiord of Cumberland ... , but rare in oceanic waters. During winter in the 265 m deep fiord of Cumberland East Bay the early ... specimens per 105 m3 of water filtered, with no discrimination according to depth. The key to abundance ... length is also given; this includes data from a study in the fiord of CUmberland East Bay during 20 ... and in cumberland East Bay at densities of about 2 000 per 105 m3 • The highest catches were not ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 105-141 : Auteur(s): North, A.W.
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e-sc-vii.pdf
... - 48.3 Prydz Bay - 58.4.2, 58.4.3 and 58.4.4 (partially). 2.12 Since the 1987/88 season the reporting ... catches. Also, no experiments had been conducted outside Area 48. 3.7 The Working Group had been able ... achieve the desired results (see paragraph 31 of Annex 5); • the Working Group had no new data ... suggested (paragraph 45 of Annex 5). 3.16 No calculation of total replacement yield was attempted by the
application/pdf attached to:SC-CAMLR-VIIMeeting Report : SC-CAMLR-VII
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Alternative methods for determining subarea or local area catch limits for krill in Statistical Area 48
precautionary catch limit on krill (Euphausia superba) in Statistical Area 48. The measure also implies an ... ) the degree to which information on biological relationships is considered; (ii) the cost of data ... collection; (iii) the reliability of required information; (iv) the ease of enforcement; (v) the effects on ... current fishing patterns; and (vi) the potential for delay in implementing the alternative. An alternative ... . The data used to calculate the historical catch distribution are probably reliable. There are no ... measured once, there would be no recurring, long-term data collection costs. The data are also highly ... (Euphausia superba) in Statistical Area 48. The measure also implies an application in future of ... or local area krill catch limits are evaluated relative to six criteria: (i) the degree to which ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 237–249 : Auteur(s): Watters, G. and R.P. Hewitt
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e-sc-ix.pdf
... with the Rules of Procedure. No amendments to the Provisional Agenda were proposed and the Agenda was ... this deadline. The Scientific Committee felt that at this stage, however, there was no need to modify ... accepted with only minor or no comment, this Report refers to the relevant paragraphs in the Working Group ... because at least two of them had no significant difference in fishing density between the depth strata
application/pdf attached to:SC-CAMLR-IXMeeting Report : SC-CAMLR-IX
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e-sc-xiv-a4.pdf
... site-based tables (SC-CAMLR-XIII, Annex 6, Table 2). The Working Group acknowledged that even though ... about different components of the system over different spatio-temporal scales. No single parameter ... from 8 708 tonnes in 1993/94 to 51 325 tonnes in 1994/95. 3.3 The Working Group noted that no plans ... the Convention Area. No response has been received as yet
application/pdf attached to:WG-EMM-95Meeting Report : WG-EMM-95
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General information about CEMP
distances between the main sampling sites, the location of sites with respect to small-scale management ... Abstract: The CCAMLR Ecosystem Monitoring Program (CEMP) was established in 1985 with the aim to ... detect and record significant changes in critical components of the Antarctic ecosystem, and to ... units and the matrix of data submitted to the Secretariat. Author(s): Secretariat Title: General ...
Meeting Document : WG-EMM-03/25 : Auteur(s): Secretariat
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SIOFA Executive Secretary Sessions Reports
adopted the agenda, with amendments. Agenda Item 1(b) – Meeting arrangements No decisions adopted ... no preferred option at this time for the provision of secretariat services for SIOFA, and that all ... next meeting of the Parties. Agenda Item 8 – Other business No decisions adopted. Agenda Item ... the ordinary Meeting of the Parties to be held in June or July in subsequent years but no decision was ...
Document : Site Section: The Organisation
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PREDICTING SPECIES DISTRIBUTIONS FROM MUSEUM AND HERBARIUM RECORDS USING MULTI-RESPONSE MODELS FITTED WITH MULTIVARIATE ADAPTIVE REGRESSION SPLINES
Abstract: Current circumstances — that the majority of species distribution records exist as ... methods for using these data. Such methods must, in particular, accommodate the difficulties caused by ... overcoming these difficulties, analysing a range of data sets using the technique of multivariate adaptive ... particular advantages in its analytical speed and the ease of transfer of analysis results to other ...
Meeting Document : WS-VME-09/P02 : Auteur(s): Elith, J., Leathwick, J.