Resultados de la búsqueda
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Seasonal and interannual variation in foraging range and habitat of macaroni penguins Eudyptes chrysolophus at South Georgia
between different stages of the breeding season, between sexes, between years and between individuals ... . During incubation, on foraging trips of 10 to 26 d, both sexes travelled long distances from Bird Island ... during chick rearing: females travelled further on average and on more direct trips. During chick rearing ... , males and females on longer foraging trips covered greater distances and travelled further from Bird ...
Meeting Document : WG-EMM-02/21 Text : Autor(es): K.E. Barlow and J.P. Croxall (United Kingdom)
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Seasonal and interannual variation in foraging range and habitat of macaroni penguins at South Georgia
the breeding season, between sexes, between years and between individuals. During incubation, on ... chick rearing: females traveled further on average and on more direct trips. During chick rearing, males ... and females on longer foraging trips covered longer distances and travelled further from Bird Island ... some parameters varied between years. The bearings of chick-rearing foraging trips were non-random and ...
Meeting Document : WG-EMM-01/19 : Autor(es): K.E. Barlow and J.P. Croxall (United Kingdom)
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Preliminary acoustic results from the New Zealand IPY-CAML survey of the Ross Sea region in February-March 2008
). The 50 day voyage on the research vessel Tangaroa involved an extensive survey of marine organisms ... and fish length was unusual, having an extremely high slope for fish less than 11 cm. Preliminary ... juvenile silverfish of 40–80 mm standard length. The other major source of acoustic backscatter on the Ross ... highest at 120 kHz), which is characteristic of species without an air-filled swimbladder. Acoustic target ...
Meeting Document : SG-ASAM-09/05 : Autor(es): R. O’Driscoll, G. Macaulay, S. Gauthier, M. Pinkerton and S. Hanchet (New Zealand)
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Update: Rapid unsupervised automated krill density estimation from fishing vessels (RAPID-KRILL)
-sea automated processing of acoustic data on fishing and research vessels. An update on the project ... progress is presented here, including an overview of the data processing methods. Author(s): S. Fielding ... : Content Approved Delegation responsibility for releasing documents: United Kingdom ...
Meeting Document : WG-EMM-18/11 : Autor(es): S. Fielding, A. Ariza, R. Blackwell, G. Skaret and X. Wang
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Áreas Marinas Protegidas (AMP)
UK presented a proposal for an MPA in the region south of the South Orkney Islands based on the ... protection for all or part of the natural resources it contains. Within an MPA certain activities are limited ... What is an MPA? In general terms, a Marine Protected Area (MPA) is a marine area that provides ... MPAs based on the best available science and has also agreed a framework that describes the objectives ...
Page : Site Section: Science
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Measurement of capacity in CCAMLR exploratory fisheries in Subareas 88.1 and 88.2: Secretariat update 2015
as a function of the catch limit for an area indicates that for some management areas the notified ... Abstract: This paper presents an update of the metrics of capacity and capacity utilisation ... Subareas 88.1 and 88.2. The updated metrics show the same pattern as the metrics based on the data up 2013 ... and do not indicate an excess capacity in the fishery. A measure of potential daily fishing capacity ...
Meeting Document : WG-FSA-15/09 : Autor(es): CCAMLR Secretariat
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Population assessment of Patagonian toothfish in Subarea 48.4 – 2011 update
/12, but that a move-on rule to limit bycatch of D. mawsoni should apply. Some options for a move-on ... , as an alternative to the catch at length data that were the only such data available in 2010. The ... catch at age model generates a yield of 52 tonnes based on CCAMLR decision rules. In 2006 the northern ... , and for the purpose of the experimental work leading to a stock assessment. Data collected in the ...
Meeting Document : WG-FSA-11/38 : Autor(es): J. Roberts, R. Mitchell and R. Wakeford (United Kingdom)
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Albatross populations: status and threats
population monitoring the status (i.e. population trends) of two-thirds of the worlds ca. 150 albatross ... populations remain unknown. For those that are known, almost half are declining. The threats currently facing ... most serious threat facing albatrosses today. Twenty of the 24 species are known to be killed on ...
Meeting Document : SC-CAMLR-XV/BG/21 : Autor(es): Submitted by SCAR
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New Antarctic deep-sea weird leech (Hirudinida: Piscicolidae): morphological features and phylogenetic relationships
tubercles on the venter and dorsal segmental tubercles, an uncommon appearance of its anterior sucker with ... Sea at depths from 1,221 to 1,433 m, is described and compared with related taxa based on ... earlike edges and an inner membrane around the mouthpore, well-developed musculature and a unique ... attributed, in part, to temporary associations of A. shandikovi n. sp. with its fish hosts and a need for ...
Meeting Document : WG-FSA-18/P01 : Autor(es): A. Utevsky and S. Utevsky
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Determination of Antarctic krill acoustic back-scattering cross-section
obtained the dependence of the acoustic section of back-scattering of krill on its length at a frequency of ... -scattering for an individual krill for the given concentration : °0 . L~max I~max) ~n Lk2 -~-.- mln ... /Palm, = 20 103 • The echo signal level was determined with the help of an osciiograph which was ... -scattering of an individual krill on its length. The regression equation takes the following expression ... Go is related quadratically to the length. For the target strength of an individual krill, the ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 141-152 : Autor(es): Protaschuk, V.A. and T.A. Lukashova