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Foraging trip duration in male and female macaroni penguins at Bouvetøya
recommend using only males. However, males attend the chicks at the nest during most of the brooding period ... -transmitters in the middle of the brooding period (chick age 12-18 days) and 17 females instrumented at the ... start of the creching period (chick age 25-30 days). Males made their first foraging trips at the start ... of the creching period. The first trip usually lasted several nights, whereas the subsequent trips ...
Meeting Document : WG-EMM-98/28 : Автор(ы): F. Mehlum, K. Isaksen and V. Bakken (Norway)
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THE ROSS SEA AS A UNIQUE EVOLUTIONARY SITE
Abstract: The case is made that the Ross Sea is an evolutionary site on par with those of the ... Antarctic marine groups. The Ross Sea fish fauna includes 95 species of fishes, dominated by 61 species of ... notothenioids, an endemic perch-like group. Relative to fish fauna in warmer regions, the nature of the Ross Sea ... fish diversity overshadows the absolute numbers of species. Antarctic notothenioid fishes, living at ...
Meeting Document : WG-EMM-09/13 : Автор(ы): J.T. Eastman and D.G. Ainley (USA)
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Krill biomass estimates for South Georgia, December and January 1996/97
conducted within two 80 x 100 km areas over the shelf-break to the north-east and north-west of South ... Georgia during December/January 1996/97. Netting suggested that the mean lengths of krill within the ... box-specific krill target strength (TS) values of-38.89 and-38.59 dB kg-1. Acoustic signals believed ... to be attributable to krill were identified on the basis of the difference between mean volume ...
Meeting Document : WG-EMM-97/48 : Автор(ы): Goss, C., Watkins, J.L., Brierley, A.S.
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Temporal variability in Antarctic marine ecosystems: periodic fluctuations in the phocid seals
Abstract: Three species of seals around Antarctica have shown quasi-cyclic patterns in some ... aspect of their biology: the age structure of crabeater seals (Lobodon carcinophagus) around the ... and with the Southern Oscillation Index (SOI). All of the seal data sets showed evidence of cyclical ... behavior when demodulated at a period of 5 yr. The Weddell seals were generally in phase with the SOI since ...
Meeting Document : WG-CEMP-91/13 : Автор(ы): J.W. Testa, G. Oehlert, D.G. Ainley, J.L. Bengtson, D.B. Siniff, R.M. Laws and D. Rounsevell (USA)
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Relationship with the Antarctic Treaty System
2.1.1 Extent to which CCAMLR effectively implements its obligations under Articles III and V of ... increasing number of CPs, including States that have no traditional linkages to the Antarctic Treaty (or the ... ATS), the RP sees virtue in reinforcing the obligations of Articles III, V (and IV.1). This might be ... achieved by: requesting the Depositary to bring to the attention of an Acceding State, or a State seeking ...
Page : Site Section: The Organisation
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Squeezed from both ends: Decline in Antarctic fur seals in the South Shetland Islands driven by both Top–down and Bottom–up processes
Abstract: Understanding the relative contributions of different sources of mortality and survival ... in predator populations can improve ecosystem models and management of marine ecosystems. Within the ... . This has led to an under emphasis of the role of bottom-up drivers for controlling fur seal production ... provided as an indicator of bottom-up drivers and we contrast these with early season neonate mortality and ...
Meeting Document : WG-EMM-14/39 : Автор(ы): M.E. Goebel and C.S. Reiss (USA)
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Admiralty Bay (South Shetland Islands) - long-term marine monitoring program
vulnerable region of Western Antarctic. It is widely assumed that Antarctic biota are sensitive to ... the site of comprehensive environmental studies over the last 30 years and existing data sets provide ... the opportunity for long-term comparisons, and recognition of any ecosystem changes, and potential ... predictions of future change. Comparison of the collected data with the archive data sets will allow us to ...
Meeting Document : WG-EMM-15/47 : Автор(ы): A. Panasiuk-Chodnicka, M. Korczak-Abshire, M.I. Żmijewska, K. Chwedorzewska, E. Szymczak, D. Burska, D. Pryputniewicz-Flis and K. Łukawska-Matuszewska (Poland)
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Krill CPUE standardisation and comparison with acoustic data based on data collected from Chinese fishing vessels in Subarea 48.1
Abstract: The usability of CPUE data as Antarctic krill abundance index was a widely discussed ... than catch per day data. The veridical distribution and movement of krill could be important source of ... differences between CPUE and acoustic data. The uncertainties and biases of CPUE data implied that CPUE used ... to indicate the krill stock abundance should be very caution. However, the dynamics of CPUE could ...
Meeting Document : WG-EMM-17/41 : Автор(ы): Y. Ying, X. Wang, J. Zhu and X. Zhao
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Preliminary results from the International Synoptic Krill Survey in Area 48, 2019
presented. Of the six vessels that participated in the survey, this report provides methods and preliminary ... results from four (vessels from the Association of Responsible Krill harvesting companies (ARK), Norway ... , Ukraine, and the United Kingdom), covering 8719 n. miles of acoustic transects and occupying 149 sampling ... distribution maps of krill NASC (nautical area scattering coefficient). A preliminary spatial cluster analysis ...
Meeting Document : WG-EMM-2019/47 : Автор(ы): G. Macaulay, G. Skaret, T. Knutsen, O.A. Bergstad, B. Krafft, S. Fielding, S.G. Choi, S. Chung, K. Demianenko, V. Podhornyi, K. Vishnyakova, L. Pshenichnov, A. Chuklin, A. Shishman and M.J. Cox
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Moving towards a new era in ecosystem-based krill fishery management
Abstract: To move towards ecosystem-based management of the Antarctic krill fishery and meet the ... requirements of Article II of the Convention, ASOC recommends that: SC-CAMLR endorses the work plan proposed by ... WG-EMM and prioritizes implementation of the work plan to enable revision of Conservation Measure (CM ... a comprehensive review of CEMP, considering the growing ecosystem monitoring requirements of CCAMLR ...
Meeting Document : SC-CAMLR-38/BG/22 : Автор(ы): Submitted by ASOC
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