Search results
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Australian research on Antarctic bird and seal diets
Abstract: Many data on the diets of important vertebrate predator species in Prydz Bay and around ... , Euphausia superba forms a rather low proportion of the diet of most vertebrate predators. Euphausia ... between prey species. The use of these predators to monitor the state of prey populations is thus very ... limited, although continuing studies will be useful to assess the natural varibility of the system. Around ...
Meeting Document : SC-CAMLR-VII/BG/32 : Author(s): Delegation of Australia
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Estimating toothfish biomass in Subarea 48.3 using local depletions
Abstract: We investigated local depletions of toothfish under concentrated fishing effort as a ... means of estimating toothfish density at South Georgia. Over the four years 2000-2003, we found 25 areas ... of 12’ by 12’ where there had been forty or more hauls in any particular year. There were 62 ... individual vessel fishing events in these areas over this period, 40 of which appeared to be depletions ...
Meeting Document : WG-FSA-SAM-04/18 : Author(s): Pearce, J., Agnew, D.
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CEMP data inventory and summary analysis
krill-based ecosystems to provide a basis for regulating harvesting of Antarctic living marine resources ... process and methods used to provide data extracts for analyses by Members as part of the development of ... approaches to feedback management. This report also includes a number of issues for consideration in relation ... to the clarification of the format for submitting data on penguin breeding population size and ...
Meeting Document : WG-EMM-16/08 : Author(s): CCAMLR Secretariat
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Krill consumption by Adélie penguins in CCAMLR Divisions 58.4.1 and 58.4.2
Abstract: We estimate the total abundance of Adélie penguins foraging in Divisions 58.4.1 and ... 58.4.2 and provide preliminary estimates of krill consumed by breeding Adélie penguins in these Divisions ... using a newly developed bio-energetics model. Our estimate of ~6 million Adélie penguins substantially ... breeding population than was evident from previous work. The population of breeding Adélie penguins was ...
Meeting Document : WG-EMM-16/65 : Author(s): C. Southwell and L. Emmerson
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The Chinese national scientific observer program for the krill fishery in the Convention Areas from fishing season 2009/10 to 2014/15
krill fishing activities. The Bureau of Fisheries (BoF), Ministry of Agriculture (MOA) of P. R. China ... vessels/seasons out of the total 23 vessels/seasons in the fishery; the annual vessel coverage ranged from ... 66%-100%, with a six year mean of 82%. Scientific observer logbooks and cruise reports were submitted ... to the CCAMLR secretariat. Author(s): Delegation of the People’s Republic of China Title: The ...
Meeting Document : SC-CAMLR-XXXIV/BG/28 : Author(s): Delegation of the People’s Republic of China
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Different CPUE types in Soviet krill fishery statistics in 1977–1992
values of CFD and CEFD, and CFD and CH. Instead, correlation between daily values is rather low, due to ... high fluctuations in hauls duration caused by fishery strategy directed to different final product of ... , number of hauls per day ranged from 1 to 15, mainly 2-4, hauls lasted from 0,1 to 16 hours, mainly 3-8 ... higher number of hauls per day. The histograms of distribution of various CPUE, hauls duration, number of ...
Meeting Document : WG-EMM-03/35 : Author(s): F.F. Litvinov, A.Z. Sundakov and V. Arkhipov (Russia)
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Climate change and precautionary spatial protection: ice shelves
, particularly in the Antarctic Peninsula region. One of the most evident signs of climate change has been ice ... shelf collapse; overall, 87% of the Peninsula’s glaciers have retreated in recent decades. Ice shelf ... collapse will lead to new marine habitats and to biological colonisation. Colonisation of these habitats ... potentially removes physiological barriers that have previously led to the isolation of the Antarctic benthos ...
Meeting Document : WS-MPA-11/17 : Author(s): P.N. Trathan and S.M. Grant (UK)
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Proposal for an experimental crab fishery in Subarea 48.3
population dynamics of P. spinosissima, and consists of three phases to be conducted over a period of two ... years/fishing seasons. Phase 1 occurs at the start of the first fishing season and is a "survey ... beginning of the second fishing season and is a series of three depletion experiments conducted in local ... areas. After Phase 2 normal fishing operations are conducted until CCAMLR initiates closure of the ...
Meeting Document : WG-FSA-93/22 : Author(s): George Watters (USA)
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Improving mechanistic understanding between larval krill, krill recruitment, and sea ice
Abstract: Antarctic Krill, Euphausia superba, is the key species of the Southern Ocean ecosystem ... Southwest Atlantic Sector, which has been specifically linked to a decrease in extent and duration of sea ... -ice coverage. More recent studies suggest more complex and/or dynamic nature of krill population ... , timing and the duration of winter sea ice cover. The underside structures of sea ice are generally ...
Meeting Document : WG-EMM-18/07 : Author(s): B. Meyer and S. Kawaguchi
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2019 Ross Sea shelf survey results and notification for research in 2020
Abstract: The time series of relative abundance and age structure from the Ross Sea shelf survey ... 2012, with a revised proposal presented in 2017 for five years (2018–2022). The objectives of the ... survey included monitoring the abundance and age structure of sub-adult (≤ 110 cm TL) toothfish in the ... south of SSRUs 881.J and 881.L in the southern Ross Sea (Strata A–C) using standardised gear in a ...
Meeting Document : WG-SAM-2019/03 : Author(s): S. Parker and C. Jones