Resultados de la búsqueda
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Trends in bird and seal populations as indicators of a system shift in the Southern Ocean
Abstract: Although world oceans have been warming over the past 50 years, the impact on biotic ... over the past 50 years in the southern Indian Ocean, the increase starting in mid 1960s and stabilizing ... a time lag of 2–9 years with temperatures, the population size of most seabirds and seals monitored ... on several breeding sites have decreased severely, whilst two species have increased at the same time ...
Meeting Document : WG-EMM-03/53 : Autor(es): H. Weimerskirch, P. Inchausti, C. Guinet and C. Barbraud (France)
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Progress report on the Korean exploratory longline fishery for Dissostichus spp. in Division 58.4.1 in 2015/16
2016 in 2015/16 fishing season. One additional national observer was on board to perform various ... collected from one of the individuals released during 2014/15 fishing season. The research vessel, Kingstar ... . Total 20 times of plankton sampling were conducted in the area of Division 58.4.1. A Compact CTD (Micro ... observing sea ice. Author(s): Delegation of the Republic of Korea Title: Progress report on the Korean ...
Meeting Document : WG-SAM-16/28 : Autor(es): Delegation of the Republic of Korea
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Longline fishing at Tristan da Cunha: impact on seabirds
important seabird populations. Two longline fisheries occur within Tristan’s Exclusive Economic Zone: a ... lines during the day, only one bird (a Great Sheawater Puffinus gravis) was killed (mortality rate 0.001 ... effort, probably has a much greater impact. Observations aboard one vessel in mid-winter suggest a ... basic mitigation measures. There is a pressing need for better policing of Tristan’s waters. Author(s ...
Meeting Document : WG-FSA-00/13 : Autor(es): N. Glass, I. Lavarello, J.P. Glass and P.G. Ryan (South Africa)
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Documentation for the CCAMLR survey database and length-density analysis
Abstract: Over the past two years, the CCAMLR Data Centre has undertaken a major overhaul of the ... . While appropriate in earlier years, this procedure constricted the type of survey data that could be ... develop. Author(s): Secretariat Title: Documentation for the CCAMLR survey database and length-density ...
Meeting Document : WG-FSA-00/11 : Autor(es): Secretariat
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Krill catch distribution in relation to predator colonies 1987 to 1992
the total exploitation of krill in these two subareas respectively. Author(s): Secretariat Title ... is similar to that seen for other years, with 70% of the total catch from Subarea 48.1 being taken ... previous years. It is estimated that the catch in the critical period-distance was equal to 12% and 15% of ...
Meeting Document : WG-KRILL-93/10 : Autor(es): Secretariat
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Age and growth of Antarctic Euphausiacea (Crustacea) under natural conditions
Peninsula and the southeastern Weddell Sea. Life spans range from two years for Euphausia frigida to six ... only once. Author(s): V. Siegel (FRG) Title: Age and growth of Antarctic Euphausiacea (Crustacea ... years for the krill Euphausia superba. Growth in length and weight was calculated by non-linear ... species Euphausia triacantha, and a three-year life span proposed. Male Euphausia crystallorophias have a ...
Meeting Document : SC-CAMLR-VI/BG/24 : Autor(es): V. Siegel (FRG)
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Marine debris, entanglements and hydrocarbon soiling at Bird Island and King Edward Point, South Georgia, Signy Island, South Orkneys and Goudier Island, Antarctic Peninsula, 2010/11
summer 2010/11 (January to March 2011). Plastic was the most commonly observed item during the two ... Island, with the highest overall number (80 items) associated with grey-headed albatrosses, and the ... giant petrels, but above the mean in grey-headed and black-browed albatross. Author(s): Delegation of ...
Meeting Document : SC-CAMLR-XXX/BG/05 : Autor(es): Delegation of the United Kingdom
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Developments in the CCAMLR otolith program
location and number of otoliths aged. Responses were received from 9 Members and no amendments were made to ... at the Secretariat. Author(s): Secretariat Title: Developments in the CCAMLR otolith program ...
Meeting Document : WG-FSA-11/07 : Autor(es): Secretariat
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Poor breeding success of the Adélie penguin at Béchervaise Island in the 1998/99 season
Island during 1998-99, a season of high chick mortality. One thousand nests perished in the three weeks ... adult birds spending longer at sea foraging than in normal years. In most previous seasons birds have ... "good" years. Meal masses brought back to the chicks appeared normal, but feeding frequencies ... . Author(s): L. Irvine, J.R. Clarke and K.R. Kerry (Australia) Title: Poor breeding success of the Adélie ...
Meeting Document : WG-EMM-99/25 : Autor(es): L. Irvine, J.R. Clarke and K.R. Kerry (Australia)
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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
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 ... use and discarding of packaging bands within the Convention Area is of particular concern. Author(s ...
Meeting Document : SC-CAMLR-XVI/BG/06 : Autor(es): Delegation of the United Kingdom