Resultados de la búsqueda

1. Age determination of Champsocephalus gunnari Lönnberg, 1905 (Channichthyidae) taken in the South Georgia area in 1990

   -26 and 30-34 cm. Only vertebra samples (n =140) were used in age determination. Age groups from 1+ to ... in the South Georgia area in 1990 Abstract / Description:  In January/February 1990 the UK and the ... the status of the Champsocephalus gunnari stock in the South Georgia area. In February 1990 the size ... 9+ were present in catches. Two peaks in size composition correspond with fish of the 1987 and 1985 ... 16-18,24-26 and 30-34 cm with the maximums being in the second and third size groups (Akademik ... , the inner structure of otoliths is wholly sequential only in the first three to four years of life ... authors. Age in Olsen Kock Sosinski Gubsch Kochkin Radtke years 1955 1981 1981 1982 1985 1990* 1 ... , February 1990. Age in Years Variations in Overall Length (cm) Number of Specimens 1+ 2+ 3+ 4+ 5 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 285–293 : Autor(es): Kochkin, P.N.

2. Trends in bird and seal populations as indicators of a system shift in the Southern Ocean

   over the past 50 years in the southern Indian Ocean, the increase starting in mid 1960s and stabilizing ... . These changes, together with the indications of a simultaneous decrease in secondary production in sub ... Abstract:  Although world oceans have been warming over the past 50 years, the impact on biotic ... in mid 1980s, being particularly important in the in the sub-Antarctic sector. At the same time with ...

   Meeting Document : WG-EMM-03/53 : Autor(es): H. Weimerskirch, P. Inchausti, C. Guinet and C. Barbraud (France)

3. Report on fishing effort and seabird interactions during the season extension trials in the longline fishery for Dissostichus eleginoides in Statistical Division 58.5.2

   November) trial season extensions, in addition to existing pre-season (15-30 April) and post-season (1-14 ... Abstract:  CCAMLR XXXIV (para. 5.68) endorsed new pre-season (1-14 April) and post-season (15-30 ... November) trial extensions in the Patagonian toothfish longline fishery in Statistical Division 58.5.2 (WG ... periods 1-14 November 2016, 15-30 November 2016, 1-14 April 2017 and 15-30 April 2017. This report ...

   Meeting Document : WG-FSA-17/20 : Autor(es): T. Lamb

4. Factors affecting the incidental mortality of seabirds in the Dissostichus eleginoides fishery in the southwest Atlantic (Subarea 48.3, 1995 season)

   Paper Title:  Factors affecting the incidental mortality of seabirds in the Dissostichus ... eleginoides fishery in the southwest Atlantic (Subarea 48.3, 1995 season) Abstract / Description:  This paper ... Patagonian toothfish (Dissostichus eleginoides) in Subarea 48.3 during the 1995 season. The data was obtained ... in vessels' analyses of catch of birds per unit effort (BPUE), as well as of the haul-by-haul ... ., 1995), as well as by other observers who took part in the stock depletion experiment designed by the ... different sizes) and incidental mortality clearly demonstrates that hooks equal to or larger than 30 mm in ... increase their activity in relation to the lunar cycle at this time of the year. Some of the highest ... THE INCIDENTAL MORTALITY OF SEABIRDS IN THE DISSOSTICHUS ELEGlNOlDES FISHERY IN THE SOUTHWEST ...

   Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 79–91 : Autor(es): Moreno, C.A., P.S. Rubilar, E. Marschoff and L. Benzaquen

5. Abundance and trends in the breeding population of Adélie penguins (Pygoscelis adeliae) in the western Ross Sea

   resulted in adults choosing to abandon or skip breeding in the worst affected years, especially 2001.  The ... indicative of direct density dependence in the number of pairs returning to the colony each year.  In recent ... in the number of Adélie penguin breeding pairs at colonies in the western Ross Sea.  High angle ... 2012, and counted.  On average 870,465 pairs of Adélie penguins breed in the western Ross Sea each ...

   Meeting Document : WG-EMM-13/30 : Autor(es): P. O’B. Lyver, M. Barron, K.J. Barton, S. Gordon (New Zealand), D. Ainley, A. Pollard (USA), P.R. Wilson and M.H. Pinkerton (New Zealand)

6. Scientific background document in support of the development of a CCAMLR MPA in the Weddell Sea (Antarctica) – Version 2017 – Reflection of the recommendations by WG-EMM-16 and SC-CAMLR-XXXV

   further work, in particular regarding the issues and questions raised at WG-EMM-16 and SC-CAMLR-XXXV. Here ... separate cost layers for krill and toothfish) will be reported to the CCAMLR Working Groups in 2018. Author ... Abstract:  The CAMLR Scientific Committee in 2016 reviewed three scientific background documents ... in support of the development of a CCAMLR MPA in the Weddell Sea. Germany was asked to carry out ...

   Meeting Document : SC-CAMLR-XXXVI/BG/28 : Autor(es): Delegation of Germany

7. Results of the Spanish exploratory longline fishery for Dissostichus spp. in Divisions 58.4.1 and 58.4.2 in the 2013/14 season

   , together with the estimation of the total Biomass in the entire SSRU using a depletion model. There have ... been some Antarctic toothfish recaptured that would allow, in successive years, to estimate the local ... year of the multi-year research survey in Divisions 58.4.1 and 58.4.2,  the F/V Tronio has returned to ... the same places surveyed in the 2012/13 season, as well as expanded the experience westwards to the ...

   Meeting Document : WG-SAM-14/12 Rev. 1 : Autor(es): R. Sarralde, L.J. López-Abellán and S. Barreiro (Spain)

8. Ecosystem studies carried out during the second Ukrainian Marine Antarctic Expedition in Subareas 48.2 and 48.1 in 1998

   Abstract:  In 1998 the 2nd Ukrainian Marine Complex Antarctic Expedition (UMCAE) on board ... scientific research vessel "Ernst Krenkel" took place in the western part of the Atlantic sector of ... important components in the pelagic ecosystems of the areas under review. In Subarea 48.2 there were fixed ... water low temperatures and great amount of icebergs (together all these factors characterize the ...

   Meeting Document : WG-EMM-00/5 : Autor(es): V. Bibik and P. Gozhik (Ukraine)

9. Summary of the Dissostichus eleginoides fishery in Subarea 48.3 in the 1993/94 season

   Abstract:  The progress of the fishery for Dissostichus eleginoides in Subarea 48.3 in the 1993/94 ... season is described. Fishing took place around Shag rocks and South Georgia, being concentrated in 4 of ... the 5 experimental areas. CPUE for 1994 appears similar to that from previous years except for Chilean ... vessels. Author(s):  D.J. Agnew (Secretariat) Title:  Summary of the Dissostichus eleginoides fishery in ...

   Meeting Document : WG-FSA-94/20 : Autor(es): D.J. Agnew (Secretariat)

10. An examination of latitudinal variation in the growth rates of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea

    . mawsoni between 62.5° and 75° S. However, fish between the ages of 6 and 15 years in the southernmost zone ... collected between 67 and 74° S, an investigation to test for latitudinal differences in growth rates was ... conducted. Length-at-age of Dissostichus mawsoni was compared across five zones in a 15.5° latitudinal range ... (62.5°–78.0° S). Between-zone comparisons were confounded by marked differences in the age structure of ...

    Meeting Document : WG-FSA-03/30 : Autor(es): P.L. Horn (New Zealand)

Páginas