Search results

1. Fishery Report 2014: Exploratory fishery for Dissostichus spp. in Division 58.4.3b

   . Reported catches of Dissostichus spp. over recent seasons peaked in 2006 at 361 tonnes, exceeding the ... provide reasonable certainty that exploitation rates at the scale of the stock or research unit will not ... tag and release Dissostichus spp. at a rate of five fish per tonne of green weight caught (Table 2 ... at 4 078 tonnes. Applying a precautionary exploitation rate of 0.01 (consistent with assuming that ...

   Document : Site Section: Publications

2. Fishery Report 2017: Champsocephalus gunnari Heard Island (Division 58.5.2)

   member of the family Channichthyidae. It is most abundant at depths of less than 350 m in the waters ... research trawl surveys with the number of hauls (N) and the number of fish measured (n) in each year at ... shallower than 500 m, and a non-contiguous area at Shell Bank to the northeast of the islands. The Heard ... the proportion of biomass at age derived from the 2017 survey length density, using length–weight ...

   Document : Site Section: Publications

3. Champsocephalus gunnari Heard Island (Division 58.5.2)

   procedure. ANI 58.5.2 469 Population structure 5.248 The distribution of densities at age was ... to 25 May 2004). Initial age structure 5.254 The proportion of density-at-age was derived from ... years and fully selected at age 3. Recruitment 5.256 The short-term projection of C. gunnari does ... not include recruitment data. Proportion of biomass-at-age 5.257 An estimate of the proportion ...

   Document : Site Section: Publications

4. Fishery Report 2013: Exploratory fishery for Dissostichus spp. in South Sandwich Islands (Subarea 48.4)

   shows a shifting mode from 80–100 cm at the beginning of the time series to 125–140 cm in the most ... -frequency distribution of D. mawsoni shows a single strong mode at 140–160 cm and does not show a clear ... ). Tagging 14. Since 2012, vessels have been required to tag and release Dissostichus spp. at a rate of ... catch of Dissostichus spp. in any one haul or set, then the fishing vessel must move at least 5 n miles ...

   Document : Site Section: Publications

5. Fishery Report: Dissostichus eleginoides (TOP) Kerguelen Islands (Division 58.5.1)

   each year are given at the top of each panel. Figure 3: Length frequencies for Dissostichus ... number of fish measured (n) in each year are given at the top of each panel. Data from 1996 and 1997 ... achievement of annual catch limits at the approach of the winter season by longliners (inducing a sharp ... . Biological parameters are old and concern only a part of the exploited stock (except size-at-first-maturity ...

   Document : Site Section: Publications

6. Fishery Report: Champsocephalus gunnari Heard Island (Division 58.5.2)

   Proportion of biomass-at-age ...................................................... 6 4. Stock ... Southeast. ANI 58.5.2 4 Population structure 7. The distribution of densities-at-age was derived ... the survey (14 April to 4 May 2011). Initial age structure 12. The proportion of density-at-age ... : Calculation of the proportion of biomass-at-age derived from the survey length-density distribution. Age ...

   Document : Site Section: Publications

7. Fishery Report 2015: Exploratory fishery for Dissostichus spp. in Subarea 88.2

   the southern area, the Scientific Committee requested the Working Group on Statistics, Assessments ... , the Scientific Committee recalled the requests for proposals on how an assessment of stock abundance can ... , as requested by the Scientific Committee (SC-CAMLR-XXXII, paragraph 3.76), is to characterise the local ...

   Document : Site Section: Publications

8. Fishery Report: Champsocephalus gunnari (ANI) Heard Island (Division 58.5.2)

   Initial age structure and proportion of biomass-at-age .......................... 6 4. Stock ... fish measured (n) in each year at the top of each pane. 2. Stocks and areas 4. Within Division ... . Initial age structure and proportion of biomass-at-age 13. Estimates of the age structure, as estimated ... using CMIX, and the proportion of biomass-at-age are shown in Table 6. This shows that the 2+ age ...

   Document : Site Section: Publications

9. Fishery Report: Exploratory fishery for Dissostichus spp. (TOT) in Division 58.4.3b

   at the top of each panel. 2. Stocks and areas 8. The most likely areas where D. mawsoni spawn ... required to tag and release Dissostichus spp. at a rate of five fish per tonne of green weight caught ... Division 58.4.3b (Figure 7) (ii) large movements of fish have been observed for fish at liberty for two ... BANZARE Bank (iii) stocks of D. mawsoni are likely to be distinct at the scale of ocean basins (see ...

   Document : Site Section: Publications

10. Fishery Report 2018: Champsocephalus gunnari Heard Island (Division 58.5.2)

    Channichthyidae. It is most abundant at depths of less than 350 m in the waters surrounding Heard Island. In this ... area they grow to a maximum length of around 45 cm and a maximum age of 6 years. Size at first ... measured (n) in each year at the top of each pane. 7. Only catch-weighted length-frequency data derived ... shallower than 500 m, and a non-contiguous area at Shell Bank to the northeast of the islands. The Heard ...

    Document : Site Section: Publications

Pages