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Lista de las medidas de conservacion vigentes en la temporada 1991/92
interval and the indication of the width shall appear at regular intervals. ARTICLE 2 Use of the Gauge ... fixed at that mesh. 3. By way of derogation from paragraph 1, the meshes to be measured need not be ... unfrozen. ARTICLE 4 Measurement of Each Mesh The size of each mesh shall be the width of the gauge at ... used for remeasurement. The choice of weight or dynamometer shall be at the discretion of the ...
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[node:field-journal-volume]:37-51
exhibited a degree of sexual dimorphism. The age at which 50% of fi sh are sexually mature was estimated ... size class at which more than 50% of the fi sh sampled were at maturity stage 2 or greater. The ... at maturity and mean age at maturity. RESULTS Species Identifi cation Of the 361 individually ... estimates of the t0 values. Natural Mortality In all the available age data, 1% of males were at least 55 ...
Science Journal Paper : 37–51
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Lista de las medidas de conservacion vigentes en la temporada 1990/91
the meeting of the Commission at which they were adopted. For. example, Conservation Measure 3/IV ... adopted at the Fourth Meeting of the Commission, i.e. in 1985, The map depicts the CCAMLR Convention ... shall be inscribed every 1 mm interval and the indication of the width shall appear at regular ... it is stopped at the tapering edges by the resistance of the mesh. Selection of Meshes to be ...
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Australia: An integrated stock assessment for the Heard Island and McDonald Islands Patagonian toothfish (Dissostichus eleginoides) fishery in Division 58.5.2
separate datasets, a biomass index and proportions-at-age, is preferred over the numbers of fish at age ... assuming all fish of stage ≥ 2 are mature (black) and all fish stages ≥ 2 will be mature at their age + 2 ... . Stock hypothesis 3. Fishing history 4. Data collection 5. History of stock assessments 6. Data for ... • Ontogenetic movement: Péron et al (2016) Modelling spatial distribution of Patagonian toothfish through ...
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Pesque en la mar, no en el cielo
Description / Abstract: How to avoid by-catch of seabirds when fishing with bottom longlines ... attachment to non-IW longlines of 5 kg weights at 50 to 60 m intervals are recommended. 3. Vessels using ... at least 8.5 kg mass shall be used, spaced at intervals of no more than 40 m, or weights of at least ... 6 kg mass shall be used, spaced at intervals of no more than 20 m. 4. Longlines shall be set at ... design of mitigation measures may be tested on vessels carrying two observers, at least one appointed in ...
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Fishery Report 2018: Dissostichus eleginoides Heard Island Australian EEZ (Division 58.5.2)
been found (Welsford et al., 2011; WG-FSA-15/55). Fifty percent of fish are estimated to be mature at ... limit of 1 663 tonnes for C. rhinoceratus. 28. Length–weight relationships, length-at-maturity data ... incidental mortality of birds and mammals Observers Each vessel to carry at least one scientific observer ... pp. Candy, S.G. 2011. Estimation of natural mortality using catch-at-age and aged mark-recapture ...
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Fishery Report 2018: Exploratory fishery for Dissostichus mawsoni in Subarea 88.1
-ice conditions on the operation of a fishery at the 5 resolution of a season (WG-FSA-15/35 ... ‘good’ ice year with 71% of the fishing grounds clear of ice, as was 2011 at 81%. The sea-ice ... –170 cm. In most years, there has also been a mode of smaller fish, at 50–100 cm, caught on the Ross ... . eleginoides is required to tag and release toothfish at the rate of 1 fish per tonne of green weight caught ...
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Fishery Report 2017: Dissostichus eleginoides Heard Island Australian EEZ (Division 58.5.2)
; WG-FSA-15/55). Fifty percent of fish are estimated to be mature at around 14 years of age (WG-FSA ... Islands appear to have a high level of genetic homogeneity and are distinctly different from those at ... . rhinoceratus. 28. Length–weight relationships, length-at-maturity data and estimates of abundance from ... , are reached, the vessel must not fish using that method within 5 n miles of the location for at ...
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Fishery Report 2013: Dissostichus eleginoides Crozet Island inside the French EEZ (Subarea 58.6)
catch only at Réunion Island. In 2013, a catch limit set by France of 700 tonnes was allocated to seven ... history of Dissostichus eleginoides in the French EEZ at Crozet Islands (Subareas 58.6). The IUU ... and peaked the following year at an estimated 11 760 tonnes. 10. Estimates of IUU catch in Subarea ... at a level intended to provide sufficient information (including sufficient recaptures of tagged ...
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Fishery Report 2017: Exploratory fishery for Dissostichus mawsoni in Subarea 88.1
most SSRUs in Subareas 88.1 and 88.2 have been fished at some point in time, the proportion of effort ... index of the influence of variable sea-ice conditions on the operation of a fishery at the resolution ... at 81%. The sea-ice conditions in 2017 enabled the fishery to access most of the northern fishing ... areas, there has been a broad mode at about 120–170 cm. In most years, there has also been a mode of ...
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