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An assessment of CCAMLR measures employed to mitigate seabird mortality in longlining operations for Dissostichus eleginoides around South Georgia
of Assessment of CCAMLR Measures to Mitigate Seabird Mortality Figure 1: Location of start and ... laid (mean = 13 634 hooks/ night; SD = 1 650). Set locations are shown in Figure 1. The number of ... between 1 and 7 April (with four on a Ashford and Croxall single line on 1 April), when streamer ... (SD = 553) laid each night was observed in the following hauls, and a mean of 12 990 hooks (SD = 1 ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 217–230 : Autor(es): Ashford, J.R. and J.P. Croxall
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Note on estimating krill abundance from acoustic data on individual aggregations
Africa 219 1. INTRODUCTION At its Second Meeting in Leningrad, the CCAMLR Working Group on Krill ... : (1) where (jJ)i = mean echo-intensity (proportional to mean squared voltage) between depths RI and ... estimated from Equation 1 as before. If the aggregation data is available in terms of density rather than ... echo-intensity, Equation 1 simply becomes: p.= PA f j ' jg where P Ag is the mean within ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 219–223 : Autor(es): Hampton, I. and D.G.M. Miller
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Catch and Effort Data Submission Instructions
................................................................................... 1 Daily catch and effort data ... .................................................................. 1 5-day catch and effort data ... .................................................................. 1 10-day catch and effort data ................................................................ 2 ... Version: 1.0 Catch and Effort Data Submission Instructions 1 Introduction Catch and effort data ...
Document : Site Section: Data
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Scientific observations in CCAMLR fisheries – past, present and future
waters located south of the Antarctic Convergence (or Polar Front) at about 50°S (Figure 1). These ... principles outlined in Article II of the CAMLR Convention (CCAMLR, 2004a, Part 1) embody an ‘ecosystem’ and ... – past, present and future Fi gu re 1 : M ap o f t he C C A M L R C on ve nt io n A re ... )). ______________________________________________________________________ 1 CCAMLR has interpreted Article XXIV of the Convention as ‘requiring the implementation of a ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 81–98 : Autor(es): Sabourenkov, E.N. and E. Appleyard
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Beyond MSY: a consideration of definitions of management objectives
Holt (1957) (Figure 1), but that there is great variation about the average curve. The main ... curve in Figure 1 and the straight line of equal stock and recruitment. Provided that the recruitment ... of recruits) C/R = 1 + (G-M)/R. Calculation of yield per recruit as a function of the growth and ... decision tree. 1. Is the spawning stock below the safety level? Yes; close the fishery. No; go to 2 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 299-322 : Autor(es): Gulland, J.A.
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Use of indices of predator status and performance in CCAMLR fishery management
pesquerias. 1 . INTRODUCTION 1 . 1 Background An important part of the uniqueness of the Convention ... towards realistic goals. 1 . 2 Why Does CCAMLR Need to Use Results from the CEMP in its Fishery ... "stock" level) are complemented by fine-scale data (e.g. 1° x 1/ 2° squares), because it is the latter ... . 3. 1 Outline of Approach 3.1 .1 Preparation ( i) Rank or group parameters according to relevance ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 353–365 : Autor(es): Croxall, J.P.
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Scientific Abstracts 2002
........................................................ 1 Working Group on Ecosystem Monitoring and Management (WG-EMM ... the number of plastic packaging bands (8) from the total recorded the previous season (1), a change ... , marine debris and oil associated with seabirds at Bird Island, South Georgia, from 1 April 2001 to 31 ... . Hewitt. Journal of Marine Systems, 36: 1–10 (2002). (Eng- lish). Understanding the demographics of ...
Document : Site Section: Publications
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Fishes of the Ross Sea Region – A field guide to common species caught in the longline fishery
toothfish (Dissostichus mawsoni), Peter Marriott, NIWA TABLE OF CONTENTS 1. PURPOSE OF THE ... GUIDE 1 2. ORGANISATION OF THE GUIDE 2 3. METHODS USED FOR THE FAMILY AND SPECIES GUIDES 2 4. DATA ... STORAGE AND RETRIEVAL 3 5. ACKNOWLEDGEMENTS 4 SECTION 1: EXTERNAL FEATURES OF FISHES AND GLOSSARY 5 ... SECTION 2: GUIDE TO FAMILIES 9 SECTION 3: GUIDE TO SPECIES 13 SECTION 4: REFERENCES 45 INDEX 1 ...
Document : Site Section: Publications
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A fine-scale model of the overlap between penguin foraging demands and the krill fishery in the South Shetland Islands and Antarctic Peninsula
maximum bearings (Figure 1). Specific data on critical parameters for penguin foraging distances and ... into a number of minor units M (Figure 1) and the number of pairs of birds from all colonies expected ... positions. The FFO index for each species is giver1 in Table 1. Also shown in this table is the catch in ... al. (1985) at South Georgia. Table 1: Indices of overlap between the fishery and redators. The ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 99–110 : Autor(es): Agnew, D.J. and G. Phegan
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Scientific Abstracts 2000
............................................................ 1 Working Group on Ecosystem Monitoring and Management (WG-EMM ... down 1% on the previous summer and constitutes the lowest total recorded. The proportion of animals ... - lands, Antarctica. Eighty-six A. gazella body fluid samples, comprising 79 blood samples, 1 pleural ... fluid, 1 peritoneal fluid and 5 pericardic fluid samples, were collected from 9 dead and 77 live animals ...
Document : Site Section: Publications