Search results
-
Trends in relative abundance of fjord Notothenia rossii, Gobionotothen gibberifrons and Notothenia coriiceps at Potter Cove, South Shetland Islands, after commercial fishing in the area
. Still evident is the decline in trammel-net catches of fjord-dwelling Notothenia rossii ... reported for the period 1983-1990. A trend of increasing N. rossii catches was observed, but the levels ... evident is the decline in trammel-net catches of fjord-dwelling Notothenia rossii and Gobionotothen ... for the period 1983-1990. A trend of increasing N. rossii catches was observed, but the levels of relative ... by banning directed fisheries and establishing stringent by-catch limits. Commercial fishing in the South ... Island, in the austral summer of 1995/96. Still evident is the decline in trammel-net catches of fjord ... N . rossii catches was observed, but the levels of relative abundance of this species and G. gibberifvons ... on the northern coasts of the northernmost island, Elephant Island, from 1978 to 1980, but catches from other ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 43–52 : Author(s): Barrera-Oro, E.R., E.R. Marschoff and R.J. Casaux
-
Geographical differences in the condition, reproductive development, sex ratio and length distribution of Antarctic toothfish (Dissostichus mawsoni) from the Ross Sea, Antarctica (CCAMLR Subarea 88.1)
3 shows the catch-weighted length- frequency distribution separated into the northern and southern areas ... 2% of the numbers in each annual sample. Table 4 shows the overall ratio of females to the total catch-weighted ... 60.7% of the catch-weighted sample over five seasons (standard deviation 1.4%). Figure 4 shows ... limited data col- lected during April and May of the 2000/01 and 2001/02 seasons. Fish condition ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 27–45 : Author(s): Fenaughty, J.M
-
Letter from the Convener
) Review of research proposals for closed areas, areas with zero catch limits, and other areas not included ...
Document : Site Section: Meetings
-
Conservation Measure Conservation Measure 29/XIV (1995)
Fishing Research in the Convention Area Limitations: Except for waters adjacent to the Kerguelen ... should be completed at least three hours before dawn (to reduce loss of bait to/catches of white-chinned ...
Conservation Measure : 29/XIV (1995)
-
Conservation Measure Conservation Measure 29/XV (1996)
Fishing Research in the Convention Area Limitations: Except for waters adjacent to the Kerguelen ... to/catches of white-chinned petrels). 6 The streamer lines under test should be constructed and operated ...
Conservation Measure : 29/XV (1996)
-
Conservation Measure Conservation Measure 29/XVI (1997)
Fishing Research in the Convention Area Limitations: Except for waters adjacent to the Kerguelen ... loss of bait to/catches of white-chinned petrels). 5 The streamer lines under test should ...
Conservation Measure : 29/XVI (1997)
-
Conservation Measure Conservation Measure 29/XIX (2000)
Fishing Research in the Convention Area Limitations: Except for waters adjacent to the Kerguelen ... hours before sunrise (to reduce loss of bait to/catches of white-chinned petrels). 5 The streamer lines ...
Conservation Measure : 29/XIX (2000)
-
Conservation Measure Conservation Measure 25-02 (2002)
Fishing Research in the Convention Area Limitations: Except for waters adjacent to the Kerguelen ... hours before sunrise (to reduce loss of bait to/catches of white-chinned petrels). 5 The streamer ...
Conservation Measure : 25-02 (2002)
-
Assessments of the stocks of Notothenia rossii marmorata and Champsocephalus gunnari in the South Georgia area
most attention is usually paid to the catch at age data input into a VPA, it is important ... (equivalent to the terminal fishing mortality rate, when the catches are known) and the net recruitment ... rate to the stock in each year implied by the age data. The catch at age data themselves do ... where C is the catch in numbers. t To convert the stock and catch by number to the stock and catch ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 1-21 : Author(s): Cooke, J.G.
-
Factors that may influence the accuracy of abundance estimates from CCAMLR tag-recapture programs for Dissostichus spp. and best practice for addressing bias
, and the consequent risk of overfishing, is a higher priority issue than maximising the catch during the development ... Selection of fish that are not representative of the catch (e.g. size of fish) M̂ M> N̂ N> Low Medium ... Release tagged fish that are representative of the catch Size-specific M̂ Release rate of tagged ... N> High High Tag fish in proportion to the catch, spread tags across the experimental area Use ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 63–72 : Author(s): Welsford, D.C. and P.E. Ziegler