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1. Assessing the power to detect systematic change in Adélie penguin foraging trip duration

   duration Abstract / Description:  Models of variability in Adélie penguin foraging trip durations were ... Paper Title:  Assessing the power to detect systematic change in Adélie penguin foraging trip ... constructed and fitted to data collected at Béchervaise Island over a 12-year period when only natural ... variability among years was greater in the guard stage. Estimates of variability were used to explore the ... variation in penguin foraging trip dura- tion and the use of a 12-year dataset from Adélie penguins at ... trip durations were constructed and fitted to data collected at Béchervaise Island over a 12-year ... %. The strategy of including ice cover as a covariate to explain between-year variation in trip duration ... ; Croxall et al., 1988). Foraging trip duration is one of the parameters recommended for measurement under ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 201–215 : Autor(es): Southwell, C., J. Clarke and L.M. Emmerson

2. Estimation of natural mortality for the Patagonian toothfish at Heard and McDonald Islands using catch-at-age and aged mark-recapture data from the main trawl ground

   Paper Title:  Estimation of natural mortality for the Patagonian toothfish at Heard and McDonald ... adopted whereby the relatively long time series of catch-at-age and mark-recapture data from the main ... directly from the estimates of population numbers-at-age. The properties of these two models for estimation ... Islands using catch-at-age and aged mark-recapture data from the main trawl ground Abstract / Description ... size and the age-at-maturity ogive. The integrated assessments using CASAL (Bull et al., 2005) of ... Science, Vol. 18 (2011): 29–45 29 EstImatIon of natural mortalIty for thE PatagonIan toothfIsh at ... time series of catch-at-age and mark-recapture data from the main trawl ground at HIMI were used to ... require a catch equation but removes catch-at-age numbers directly from the estimates of population ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 29–45 : Autor(es): Candy, S.G., D.C. Welsford, T. Lamb, J.J. Verdouw and J.J. Hutchins

3. Estimation of effective sample size for catch-at-age and catch-at-length data using simulated data from the Dirichlet-multinomial distribution

   Paper Title:  Estimation of effective sample size for catch-at-age and catch-at-length data using ... distribution of catch-at-age or catch-at-length frequencies using a multinomial likelihood when there is extra ... simulated data from the Dirichlet-multinomial distribution Abstract / Description:  The incorporation of ... ‘effective sample size’ (ESS) in integrated assessments is an approximate but simple way of modelling the ... Estimation of EffEctivE samplE sizE for catch-at-agE and catch-at-lEngth data using simulatEd data from ... integrated assessments is an approximate but simple way of modelling the distribution of catch-at-age or ... catch-at-length data consist of sample frequencies for each age class or length bin usually obtained ... ., 1998) and Stock Synthesis Program (Methot, 2000, 2005) also limit input of catch-at-length or catch ...

   Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 115–138 : Autor(es): Candy, S.G

4. Breeding numbers and success of Eudyptes penguins at Marion Island, and the influence of mass and time of arrival of adults

   Paper Title:  Breeding numbers and success of Eudyptes penguins at Marion Island, and the ... influence of mass and time of arrival of adults Abstract / Description:  At sub-Antarctic Marion Island ... , there was substantial correlation in the numbers of adults breeding at study colonies of macaroni ... mass of chicks at fledging. For both species, mass on arrival of males was significantly correlated ... BREEDING NUMBERS AND SUCCESS OF EUDYPTES PENGUINS AT MARION ISLAND, AND THE INFLUENCE OF MASS AND TIME OF ... was substantial correlation in the numbers of adults breeding at study colonies of macaroni penguins ... with mass of chicks at fledging. For both species, mass on arrival of males was significantly ... species of Eudyptes (crested) penguins breed at Marion Island (46.9°S 37.9°E), one of two islands in the ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 175–190 : Autor(es): Crawford, R.J.M., B.M. Dyer, J. Cooper and L.G. Underhill

5. Effects of weather and sea-ice on the reproductive performance of the Adélie penguin at Edmonson Point, Ross Sea

   at Edmonson Point, Ross Sea Abstract / Description:  The breeding biology of the Adélie penguin ... males on the second incubation trip. A high number of chicks died during the post-hatching stage and the ... Paper Title:  Effects of weather and sea-ice on the reproductive performance of the Adélie penguin ... (Pygoscelis adeliae) was studied at Edmonson Point, Victoria Land, during the 1999, 2001 and 2003 breeding ... 69.6 Table 2: Departure date and trip duration of incubation shifts of Adélie penguins at Edmonson ... EFFECTS OF WEATHER AND SEA-ICE ON THE REPRODUCTIVE PERFORMANCE OF THE ADÉLIE PENGUIN AT EDMONSON POINT ... @unisi.it Abstract The breeding biology of the Adélie penguin (Pygoscelis adeliae) was studied at Edmonson ... trip. A high number of chicks died during the post-hatching stage and the breeding success was low ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 99–109 : Autor(es): Olmastroni, S., F. Pezzo, V. Volpi and S. Focardi

6. A review of the diet and at-sea distribution of penguins breeding within the CAMLR Convention Area (submitted to the 2008 Joint CCAMLR-IWC Workshop)

   Paper Title:  A review of the diet and at-sea distribution of penguins breeding within the CAMLR ... published information on the diet and at-sea distribution of the six penguin species that breed in the CAMLR ... bioenergetics models that estimate the amount of prey consumed by predators are required to inform such policy ... . These models require information on the number of predators in a population, their nutritional demands ... management subareas of the Southern Ocean. Quotas can then be set at levels that ensure that stocks are not ... ), while spatially explicit models require additional data describing the at-sea distribution of the ... the components of the models that relate to foraging ecology; namely their diet and at-sea ... methods for studying the diet and at-sea distribution of penguins and a commentary on the uncertainties ...

   Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 75–114 : Autor(es): Ratcliffe, N. and P. Trathan

7. Measurements of differences in the target strength of Antarctic krill (Euphausia superba) swarms at 38 kHz and 120 kHz

   superba) swarms at 38 kHz and 120 kHz Abstract / Description:  Differences in the target strength of adult ... differences in the mean back-scattering strength of swarms simultaneously insonified at these two frequencies ... experimental work on the target strength of encaged E. superba at 38 and 120 kHz but are in major conflict with ... Paper Title:  Measurements of differences in the target strength of Antarctic krill (Euphausia ... TARGET STRENGTH OF ANTARCTIC KRILL (EUPHAUSIA SUPERBA) SWARMS AT 38 KHZ AND 120 KHZ I. Hampton ... ) at 38 and 120 kHz have been inferred from differences in the mean back-scattering strength of swarms ... are in good agreement with recent experimental work on the target strength of encaged E. superba at ... (Euphausia superba) abundance have commonly been conducted at echosounder frequencies of between 50 and 200 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 75–86 : Autor(es): Hampton, I.

8. Distribution of mackerel icefish (Champsocephalus gunnari) (Channichthyidae) around South Georgia at various stages of its life cycle

   South Georgia at various stages of its life cycle Abstract / Description:  The distribution of mackerel ... icefish (Champsocephalus gunnari) around South Georgia (FAO Statistical Subarea 48.3) at various stages of ... ) were mainly observed near the bottom and at depths of up to 75 m from the bottom. Young fish undertake ... fish were found to be distributed throughout the water column at all times of the day, but they also ... ) AROUND SOUTH GEORGIA AT VARIOUS STAGES OF ITS LIFE CYCLE Zh.A. Frolkina AtlantNIRO 5 Dmitry Donskoy ... (<6 cm) were mainly observed near the bottom and at depths of up to 75 m from the bottom. Young fi ... distribution of the species is limited mostly to records of depths at which fi sh have been observed ... . Variability of the distribution of C. gunnari by depth stratum and season at various stages of its life ...

   Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 49–69 : Autor(es): Frolkina, Zh.A

9. Intra-annual variability in the density of Antarctic krill (Euphausia superba) at South Georgia, 2002–2005: within-year variation provides a new framework for interpreting previous ‘annual’ estimates of krill density

   Paper Title:  Intra-annual variability in the density of Antarctic krill (Euphausia superba) at ... ‘annual’ estimates of krill density Abstract / Description:  Upward-looking acoustic Doppler current ... of South Georgia between 14 October 2002 and 29 December 2005 to measure density of Antarctic krill ... explained 64% of the observed week-to-week variation. Estimates of krill density from moored instruments ... verano (promedio = 89.5 g m–2, SD = 64.2). 29 Intra-annual density variability of krill at South ... argued that this is indicative of year-to-year variation in krill density at the island. However, there ... throughout the summer breeding season (November–February), but lack of corroborating at-sea data have pre ... variations in krill density have poten- tially worrying implications for analyses of ecosys- tem processes at ...

   Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 27–41 : Autor(es): Saunders, R.A., A.S. Brierley, J.L. Watkins, K. Reid, E.J. Murphy, P. Enderlein and D.G. Bone

10. Maximum entropy reconstructions of krill distribution and estimates of krill density from acoustic surveys at South Georgia, 1996–2000

    . Krill densities had previously been determined at approximately 0.5 km intervals along each of the ten ... Paper Title:  Maximum entropy reconstructions of krill distribution and estimates of krill density ... from acoustic surveys at South Georgia, 1996–2000 Abstract / Description:  This paper presents Maximum ... Entropy (MaxEnt) reconstructions of krill distribution and estimates of mean krill density within two ... been determined at approximately 0.5 km intervals along each of the ten 80 km transects in each box ... effective the MaxEnt approach was at inferring individual cell densities in the absence of observed data ... , 52 data points were removed at random from the raw data prior to one analysis of one cruise (JR38W ... ). After reconstruc- tion in the absence of these data, the MaxEnt- generated points at these positions ...

    Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 91–100 : Autor(es): Wafy, M.H., A.S. Brierley, S.F. Gull and J.L. Watkins

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