Resultados de la búsqueda
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Incorporating climate change into CCAMLR’s decisionmaking processes
submission of new or revised legislation or regulations when an issue has relevance to a broad spectrum of ... appended to Resolution 30/XXVIII. Author(s): Submitted by ASOC Title: Incorporating climate change into ... Document Release Consent: Yes Delegation responsibility for releasing documents: CCAMLR Secretariat ...
Meeting Document : CCAMLR-XXXIII/BG/21 : Autor(es): Submitted by ASOC
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Long-term study of the at-sea distribution of seabirds and marine mammals in the Scotia Sea, Antarctica
-bellied Storm Petrel. Antarctic Prion was the dominant species within the 5 years whereas Cape petrel ... encounter rate in the five years (0.29 ± 1.57 whale/nautical mile), followed by Humpback whale (0.09 ± 0.54 ... largest aggregations of all top predators (seabirds and cetaceans) were recorded mainly in two regions ...
Meeting Document : WG-EMM-14/06 Rev. 1 : Autor(es): J.L. Orgeira, M. Alderete, Y.G. Jiménez and J.C. González (Argentina)
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Entanglement of Antarctic fur seals (Arctocephalus gazella) in man-made debris at Bird Island, South Georgia, during the 1996 winter and 1996/97 pup-rearing season
Georgia for the sixth consecutive winter (1996) and eighth consecutive summer (1996/97) are reported. In ... usual most (88%) entanglements were of juveniles; however one-third were of females, an unusually high ... entangling materials, with the abundance of string and fishing net reversed from most previous years. In ... proportion of entanglements in synthetic string (41 %) was much greater than in recent years, with fishing ...
Meeting Document : SC-CAMLR-XVI/BG/06 : Autor(es): Delegation of the United Kingdom
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Analysis of krill fishery operations in Subarea 48.1: spatial-time distribution of CPUE and fishing efforts
values of standardized CPUE indices in the Subarea 48.1 for the last 25 years. We continue to investigate ... Abstract: In previous years we revealed that period 2006-2011 is characterized by the highest ... krill fishery data for understanding reasons of this ‘high CPUE’ regime. The authors present the ... analysis of spatial- temporal variability of krill fishery based on CPUE trends, trawling duration, catch ...
Meeting Document : WG-EMM-14/21 : Autor(es): S. Kasatkina and P. Gasyukov (Russia)
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Estimating the abundance of pack-ice seals off east Antarctica
. Sighting surveys were undertaken along almost 10,000 km of survey transect from an icebreaker and two ... helicopters to estimate the density of seals hauled out on the ice in survey strips. The probability of ... -linked dive recorders were deployed on a sample of seals to estimate the probability of seals being ... hauled out on the ice at any time of day. Due to non-random placement of survey transects, model-based ...
Meeting Document : WG-EMM-05/23 : Autor(es): C. Southwell (Australia), D. Borchers, C. Paxton (United Kingdom), B. de la Mare (Canada), P. Boveng (USA), A.S. Blix and E.S. Nordoy (Norway)
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SCAR-MARINE BIODIVERSITY INFORMATION NETWORK 2010 AND BEYOND
(financial or in-kind), on an equitable basis, to sustain and further the services SCAR-MarBIN presently ... Change on its ecosystems, Antarctic marine biodiversity information has to be widely published ... and open access to this information. The two main achievements of SCAR-MarBIN are the development of a ... , which aggregates the information on the web portal (90 datasets; 1,000,000 records). SCAR-MarBIN is ...
Meeting Document : CCAMLR-XXVII/BG/35 : Autor(es): Delegation of Belgium
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Peches exploratoires dans la sous-zone 58.6, resultats des campagnes 1983 a 1995
only one Nototheniid fish Dissostichus eleginoides. The other species have no future for a commercial ... -adults and adults as observed in the division 58-5-1 (Kerguelen) located more easternly. Two geographical ... and even along one fishing experiment despite a limited fishing effort. Two hypothesis are proposed to ... running experiments do not allow to consider and work out a plan an high fishing effort (or in the future ...
Meeting Document : WG-FSA-95/10 : Autor(es): Duhamel, G.
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Fishing gear, marine debris and oil associated with seabirds at Bird Island, South Georgia, 2002/03
longline hooks in offal and bycatch is of concern. Based on items found in regurgitates, an estimated 630 ... such annual report. As in most previous years, more items of fishing gear (mostly longlining gear) and ... giant petrels (northern and southern) was the second highest on record, and included five cases of ... , though numbers of both decreased slightly since last year. The quantity of fishing gear associated with ...
Meeting Document : SC-CAMLR-XXII/BG/09 : Autor(es): Delegation of the United Kingdom
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Composition and vertical distribution of the benthopelagic ichthyofauna of the southern part of the Kerguelen ridge
trawls during the integrated surveys in December 1977 and in January 1978 on Elan Bank consisting of two ... with depth and they were quite abundant. Most abundant on Elan Bank were Macrourus whitsoni, Antimora ... rostrata and Alepocephalus sp. cf. antipodiana. The paper contains an annotated list of species and a brief ...
Meeting Document : WG-FSA-96/13 : Autor(es): Piotrovsky, A.S.
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EXTRAPOLATING CONTINUOUS PLANKTON RECORDER DATA THROUGH THE SOUTHERN OCEAN USING BOOSTED REGRESSION TREES
, called BRT (Boosted Regression Trees), to data on the distribution of Oithona similis, a small cyclopoid ... estimate abundances of O. similis through the Southern Ocean. We present a number of methods for ... be done on a tow by tow basis as there is significant within-tow correlation. (2) Spatial cross ... fitted relationships explained 28–38% of the total variance in abundance (depending on method of cross ...
Meeting Document : WG-SAM-08/12 : Autor(es): M.H. Pinkerton, A.N.H. Smith (New Zealand), B. Raymond, G. Hosie (Australia) and B. Sharp (New Zealand)