WG-CEMP-94/01 Подробнее |
Provisional agenda |
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WG-CEMP-94/02 Подробнее |
List of participants |
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WG-CEMP-94/03 Подробнее |
List of documents |
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WG-CEMP-94/04 Подробнее |
TDR-derived foraging performance indices J.P. Croxall (United Kingdom) |
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WG-CEMP-94/05 Подробнее |
Vacant |
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WG-CEMP-94/06 Подробнее |
CCAMLR ecosystem monitoring program standard methods: revision of methods for black-browed albatrosses J.P. Croxall (United Kingdom) |
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WG-CEMP-94/07 Подробнее |
CCAMLR ecosystem monitoring program standard methods: revision of Method A4 for penguins W.Z. Trivelpiece (USA) |
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WG-CEMP-94/08 Подробнее |
CCAMLR ecosystem monitoring program standard methods: determination of sex of Adelie penguins K.R. Kerry, J.R. Clarke and G.D. Else (Australia)
Резюме:
The suggestion that sex of Adélie penguins, Pygoscelis adeliae, might be assigned by observing which member of the pair (the male) takes the first long incubation shift (Anon. 1991) was examined for each of the 1990–91, 1991–92 and 1992–93 breeding seasons. There was an 8- or 9-day period when more than 90% of the incubating birds were male and a 6- or 7-day period when more than 90% of the Read More
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WG-CEMP-94/10 Подробнее |
Spatial structure of the Southern Ocean ecosystem: predator-prey linkages in Southern Ocean food webs E.J. Murphy (United Kingdom) |
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WG-CEMP-94/11 Подробнее |
Temporal patterns of milk production in Antarctic fur seals (Arctocephalus gazella) J.P.Y. Arnould and I.L. Boyd (United Kingdom) |
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WG-CEMP-94/12 Подробнее |
Foraging behaviour of Antarctic fur seals during periods of contrasting prey abundance I.L. Boyd, J.P.Y. Arnould, T. Barton and J.P. Croxall (United Kingdom)
Резюме:
Published in Journal of Animal Ecology (1994) 63, 000-000
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WG-CEMP-94/13 Подробнее |
The use of heart rate to estimate oxygen consumption of free-ranging black-browed albatrosses Diomedia melanophrys R.M. Bevan, A.J. Woakes, P.J. Butler and I.L. Boyd (United Kingdom) |
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WG-CEMP-94/14 Подробнее |
The food and feeding ecology of the white-chinned petrel Procellaria aequinoctialis at South Georgia J.P. Croxall, A.J. Hall, H.J. Hill, A.W. North and P.G. Rodhouse (United Kingdom)
Резюме:
The diet of the white-chinned petrel at Bird Island, South Georgia was studied during the chick-rearing period in 1986 by quantitative analysis (by weight, frequency of occurrence and number of individuals) of regurgitated or lavaged adult stomach contents. Antarctic krill was the most important constituent of the diet, comprising over 90% of prey items and forming 47% of the diet by weight; Read More
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WG-CEMP-94/15 Подробнее |
Interannual variation in the breeding biology of the Antarctic prion Pachyptila desolata at bird island, South Georgia G.M. Liddle (United Kingdom) |
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WG-CEMP-94/16 Rev. 1 Подробнее |
CEMP indices and trends 1994 Secretariat
Резюме:
Indices of predator reproductive status are calculated for CEMP parameters such as adult weight on arrival at breeding colony, duration of foraging trips, breeding population size and success, chick weight and diet, and fur seal pup growth rates (Methods A1-A9, Bl-B2 and C1-C2) using data held at the CCAMLR Data Centre. Preliminary statistical and graphical analyses of the trends shown by Read More
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WG-CEMP-94/17 Подробнее |
Data on crabeater seal reproduction and demogrpahy: modeling functional relationships in the Antarctic marine ecosystem J.L. Bengtson and P.L. Boveng (USA) |
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WG-CEMP-94/18 Подробнее |
Compilation of information concerning the at-sea behavior of marine mammals and birds and the prospects for a workshop on TDR-related data P.L. Boveng (USA) |
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WG-CEMP-94/19 Подробнее |
Variability in diving behavior of Antarctic fur seals: implications for TDR studies P.L. Boveng, B.G. Walker and J.L. Bengtson (USA) |
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WG-CEMP-94/20 Подробнее |
Draft implementation plan for Antarctic pack ice seals (APIS) program: indicators of environmental change and contributors to carbon flux. SCAR Group of Specialists on Seals Convener, WG-CEMP |
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WG-CEMP-94/21 Подробнее |
Annual variation in fledging size and breeding success of Cape petrels at Seal Island, Antarctica M.K. Schwartz and J.L. Bengtson (USA) |
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WG-CEMP-94/22 Подробнее |
Effects of time-depth recorders on foraging behavior of lactating Antarctic fur seals B.G. Walker and P.L. Boveng (USA) |
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WG-CEMP-94/23 Подробнее |
Delayed laying and prolonged fasting in Adelie penguins Pygoscelis adeliae Joachim Ulbricht and Detlev Zippel (Germany)
Резюме:
Observations of nesting Adélie Penguins (Pygoscelis adeliae) were made at Ardley Island during spring 1990 when snow cover was unusually thick at some subcolony sites. Adélie Penguins at these sites had to delay egg laying until the snow melted. Maximum length of fasting periods comprising pre-breeding and incubation was 50 days. Long fasting seemed to have no detrimental effect on breeding. Read More
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WG-CEMP-94/24 Подробнее |
A generalized discriminant for sexing fulmarine petrels from external measurements J.A. van Franeker and C.J.F. ter Braak (The Netherlands)
Резюме:
Discriminant analysis can use morphometric differences between known male and female birds to predict the sex of unknown individuals in field studies. Geographic variation in size and shape often limits the predictive value of a discriminant function to the population from which it was derived. Specific discriminant functions for populations of five species of fulmarine petrels (Northern Read More
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WG-CEMP-94/25 Подробнее |
Sexing chinstrap penguins (Pygoscelis antarctica) by morphological measurments Jaun A. Amat, Javier Viñuela and Miguel Ferrer (Spain)
Резюме:
We applied discriminant analysis to morphometric data from Chinstrap Penguins (Pygoscelis antarctica) to obtain a function that can be used to predict sex. The function correctly classified 95% of 55 individuals. Bill depth was the most important discriminating variable, with males having deeper bills.
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WG-CEMP-94/26 Подробнее |
The diet of shags Phalacrocorax aristotelis during the chick-rearing period assessed by three methods M.P. Harris and S. Wanless (United Kingdom) |
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WG-CEMP-94/27 Подробнее |
Monitoring Antarctic environmental variables using penguins R.P. Wilson, B.M. Culik and R. Bannasch (Germany) and J. Lage (France)
Резюме:
Water temperature and krill abundance in Maxwell Bay, Antarctica, were examined using Pygoscelid penguins carrying appropriate sensors linked to position-determining devices. Fifty-three foraging trips from 49 penguins indicated that during December 1991 and January 1992 the temperature in the top 100 m of the water column was highest in the western section of the Bay which concurred with Read More
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WG-CEMP-94/28 Подробнее |
Synthesis of CEMP activities carried out at Cape Shirreff D. Torres N. (Chile) |
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WG-CEMP-94/29 Подробнее |
Preliminary results of a feeding trial on the blue-eyed shag Phalacrocorax atriceps R. Casaux, M. Favero, E. Barrera-Oro and P. Silva (Argentina)
Резюме:
Local fish species were used to feed a captive blue-eyed shag Phalacrocorax atriceps bransfieldensis during 45 days of the austral summer at Jubany Station, King George Island, South Shetland Islands. The otoliths identified in pellets were affected by the digestive process and consequently the fish species were differentialy underrepresented in number and size (length/mass). Except Read More
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WG-CEMP-94/30 Подробнее |
Progress report on AMLR project “A Modeling Study of the Population Biology of Krill, Seabirds and Marine Mammals in the Southern Ocean” M. Mangel, A. Stansfield and S. Rumsey (USA) |
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WG-CEMP-94/31 Подробнее |
Analysis of the stomach content in the blue-eyed shag Phalacrocorax atriceps bransfieldensis at Nelson Island, South Shetland Islands N. Coria, R. Casaux, M. Favero and P. Silva (Argentina)
Резюме:
Forty stomach contents of the blue eyed shag Phalacrocorax bransfieldensis were sampled at Nelson Island, South Shetland Islands, in January 1994. The analysis of the diet showed that fish were by far the main component, followed by octopods, polychaetes and gammarids. Notothenia coriiceps, predominated in frequency (58%) and in weight (65%), whereas Nototheniops nudifrons was the most Read More
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WG-CEMP-94/32 Подробнее |
Fish as diet of the blue-eyed shag, Phalacrocorax atriceps bransfieldensis at Half-Moon Island, South Shetland Islands E.R. Barrera-Oro and R.J. Casaux (Argentina)
Резюме:
Thirty eight regurgitated casts collected in a colony at Half-moon Island, South Shetland Islands, during January and February 1993, were analyzed to determine the importance of fish in the diet of the blue-eyed shag Phalacrocorax atriceps bransfieldensis. Fish species were identified by means of otoliths found in the casts. The size and weight of the fish were estimated from the otolith Read More
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WG-CEMP-94/33 Подробнее |
Adelie penguins as consumers of fish and zooplankton communities K. Kerry, J. Clarke, S. Brown, R. Lawless and K. Young (Australia) |
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WG-CEMP-94/34 Подробнее |
Infectious diseases and parasites of Antarctic and sub Antarctic penguins and the implications for CEMP J. Clarke and K. Kerry (Australia)
Резюме:
This paper draws attention to the possible implications for the CCAMLR Ecosystem Monitoring Program (CEMP) of infectious and parasitic disease among penguin being monitored and to this end present a summary of all such diseases of penguin species found in the Antarctic and sub-Antarctic. Haematological and biochemical values for healthy penguins which may be of use in diagnosis are presented Read More
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WG-CEMP-94/35 Подробнее |
Diseases and parasites of penguins J. Clarke and K. Kerry (Australia)
Резюме:
The study of diseases in wild penguins is important for the identification of endemic diseases and the detection of exotic diseases should these occur. It is also important in the understanding of the degree to which disease may be expected to influence the results of biological studies. Results may be confounded and interpretation made difficult by both the transient and long term presence of Read More
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WG-CEMP-94/36 Подробнее |
Diving behaviour of chinstrap penguins at King George Island H.-C. Shin and S. Kim (Republic of Korea) |
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WG-CEMP-94/37 Подробнее |
US AMLR Program - 1993/94 field season report Delegation of the USA |
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WG-CEMP-94/38 Подробнее |
TDR-derived foraging performance indices W.Z. Trivelpiece and S.G. Trivelpiece (USA) |
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WG-CEMP-94/39 Подробнее |
Seabird research at Svarthamaren, Dronning Maud Land N. Røv (Norway) |
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WG-CEMP-94/40 Подробнее |
Recommendations from the Workshop on Researcher-seabird Interactions for consideration for inclusion in the WG-CEMP standard methods W. Trivelpiece (USA) |
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WG-CEMP-94/41 Подробнее |
Sex determination of Antarctic petrels Thalassoica antarctica by discriminant analysis of morphometric characters S.-H. Lorentsen and N. Røv (Norway)
Резюме:
We present data on sexual dimorphism in some morphological measurements (wing length, head length, bill depth and bill length) in the Antarctic Petrel Thalassoica antarctica. Males were on average larger than females for all measurements. Sexual dimorphism was on average largest for bill depths whereas wing lengths discriminated least between the sexes. A discriminant function including bill Read More
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WG-CEMP-94/9 Rev. 1 Подробнее |
Coordination of CEMP site protection within the Antarctic Treaty System Secretariat |
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