Resultados de la búsqueda
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Distribution and possible areas of spatial mixing of two stocks of humpback whales, a krill predator, in the Indo-Pacific region of the Antarctic revealed by genetic analyses
of two stocks of the humpback whale, a krill predator, in the Indo-Pacific region of the Antarctic ... stocks have shown sign of recovery after heavy commercial exploitation in the last century. Information ... on distribution and areas of mixing in the Antarctic feeding grounds is essential to assist the ... whales in the Antarctic feeding grounds for Areas IIIE (35°-70°E, n= 95), IVW (70°-100°E, n= 140), IVE ...
Meeting Document : WG-EMM-2019/67 : Autor(es): L.A. Pastene, M. Goto, M. Taguchi and K. Matsuoka
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REPORT ON TRANSHIPMENT OF KRILL IN 2009
Abstract: Report on transhipment of krill in 2009 Delegation of Japan Abstract: According to the ... in the CCAMLR Convention Area in 2009, as a background paper for CCAMLR annual meeting to be held in ... transshipments within the Convention Area”, especially in accordance with the paragraph 6 of the Measure, Japan ... submits the attached report on transshipment activities by its krill fishing vessel in CCAMLR Convention ...
Meeting Document : CCAMLR-XXIX/BG/05 : Autor(es): Delegation of Japan
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Marine mammals and demersal longlines fishery interactions in Crozet and Kerguelen Exclusive Economic Zones: an assessment of the depredation level
vessels, catching Patagonian tooshfish in the Crozet and Kerguelen Exclusive Economic Zones, between 2003 ... and 2005. In Crozet waters, 71% of the 1308 longlines presented marine mammals interactions with ... killer whales and/or sperm whales. On the other hand, fur seals and/or sperm whales were present in 54 ... % of the 6262 longlines monitored in the Kerguelen waters. Interactions occurred over the whole fishing ...
Meeting Document : WG-FSA-06/63 : Autor(es): C. Roche, N. Gasco, G. Duhamel and C. Guinet (France)
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Seasonal variation in acoustic estimates of krill density at South Georgia during 2001/2002
(middle), and one in May 2002 (late). The surveys were the second in a five-year series of observations ... around South Georgia in the 2001/2002 season: one in November 2001 (early); two during January 2002 ... Antarctic Survey regularly since 1996. Krill density in November was low (5 g m-2), higher in both the two ... surveys in January (46g m-2 and 72 g m-2) and had decreased to 12 g m-2 by May. Our repeated surveys at ...
Meeting Document : WG-EMM-02/39 : Autor(es): C. Goss, S.A. Grant, N. Cunningham, J.L. Watkins, P.N. Trathan, E. Murphy and K. Reid (United Kingdom)
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Commercial krill fisheries in the Antarctic 1973–1988
Living Resources (CCAMLR) are used to discern visible trends in catch and effort for the Antarctic krill ... peak of some 500 000t in 1981/82 before droping to a low level in 1983/84 and stabilising at about 400 ... 000t thereafter. Indications are that in terms of both catch and effort the Soviet and Japanese ... fisheries in Statistical Sub-areas 48.1, 48.2 and 48.3 dominate exploitation of krill in the CCAMLR ...
Meeting Document : SC-CAMLR-VIII/BG/11 : Autor(es): Delegation of South Africa
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Results on by-catch of fish during Ukrainian, Polish and Japanese krill fishery in the South Orkney Islands, South Georgia and Shetland Islands areas
krill Euphausia superba Dana conducted by the Ukrainian trawler Grigory Kovtun in the vicinity of South ... South Georgia (March to May, 1993), and by the Japanese fishing vessels No.3 and No.5 Chiyo Maru in the ... (January to February, 1994) to determine the proportion of juvenile fish forms in krill concentrations. In ... juvenile notothenioids at all in the samples collected. In the area around South Georgia, six notothenioid ...
Meeting Document : WG-FSA-96/19 : Autor(es): Cielniaszek, Z., Pakhomov, E.A., Iwami, T.
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Does large-scale ocean circulation structure life history connectivity in Antarctic toothfish (Dissostichus mawsoni)?
(Dissostichus mawsoni) in the Southeast Pacific Basin (SPB) and Ross Sea, with a life history structured by the ... environmental heterogeneity, yet the chemistry in otolith nuclei, deposited during early life, showed no ... differences. Age data showed only adult fish in catches on the Pacific-Antarctic Ridge in the SPB; and ... simulations predicted that early life stages following the flow in the SPB would be transported to areas in ...
Meeting Document : WG-FSA-12/P02 : Autor(es): J. Ashford, M. Dinniman, C. Brooks, A. Andrews, E. Hofmann, G. Cailliet, C. Jones and N. Ramanna
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Indexing maturation of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region
Abstract: The longline fisheries for Antarctic toothfish (Dissostichus mawsoni) in subareas 88.1 ... and 88.2 have provided more than a decade of observations to aid in understanding the life history and ... fish developing to spawn in the upcoming season. Evidence is accumulating that almost all Antarctic ... toothfish in the northern SSRUs have spawned in the previous season and are preparing to spawn in the ...
Meeting Document : WG-FSA-12/40 : Autor(es): S. Parker and P. Marriott (New Zealand)
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Revised research plan for the 2015/16 exploratory longline fishery of Dissostichus spp. with special reference to the information on spawning dynamics in Division 58.4.3a
began in 2013 in data-poor fisheries. In the present report, the next three-season (2016-18) research ... plan in Division 58.4.3a was revised using the latest CCAMLR C2 and Observer data. The stock sizes for ... . We also made analysis on spawning dynamics for D. eleginoides in Division 58.4.3a and compared to the ... results in other regions in the Southern Indian Ocean. The stock seems to be self-sustainable because of ...
Meeting Document : WG-FSA-15/19 : Autor(es): Delegation of Japan
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SUMMARY OF SCIENTIFIC OBSERVATIONS IN THE CAMLR CONVENTION AREA FOR 2009/10 SEASON
on board longline, trawl and pot vessels in 2009/10. Longline Observations 2. A total of 31 longline ... (international and national) aboard all vessels. At the time of writing this paper, one cruise in subarea 58.5.2 ... was still at sea. Nine cruises were undertaken in Subarea 48.3 by 9 vessels, two cruises were ... undertaken in Subarea 48.4 by 2 vessels, three cruises was undertaken in Subarea 48.6 and Divisions 58.4.1 ...
Meeting Document : WG-FSA-10/05 : Autor(es): Secretariat