Search results
-
Scientific Abstracts 2006
is still being lost by vessels into the marine environment and marine vessels working in this region ... during their fledging period, defined as the time between a chick’s first trip to sea and its final ... parental provisioning, behaviours not observed in other Pygoscelis species. Chicks took their first trip ... . During this fledging period, individual chicks made an average of five trips to sea. Trip duration ...
Document : Site Section: Publications
-
Scientific Abstracts 1992
the Australian SIBEX-II data. The Australian SIBEX-II estimate falls in the middle of the range of densities ... the day. With regard to body size and maturity of krill in the inshore foraging areas, middle-sized krill ...
Document : Site Section: Publications
-
Scientific Abstracts 1998
1997/98: a dis- cussion of possible causes. R. Hucke-Gaete, D. Torres, A. Aguayo and V. Vallejos ... ; on longest trips, parents lost body mass. For this penguin species, suc- cessful foraging during chick ... foraging trip duration was transformed into a normally distributed index of environmental variation ... - pendence on krill, the feasibility of taking alternative prey and constraints on trip duration and/or meal ...
Document : Site Section: Publications
-
Birds: Trophic modelling of the Ross Sea
entangled in lost fishing gear, disturbed by fishing activity, or affected by pollution from fishing ... then alternately forage (trips taking 1–3 weeks) and provision the chick for about 150 days (Dewey 1999) until Dec ... fledging and before moulting when adults travel up to 1200 km to eastern Ross Sea to forage (Kooyman et ... . Note that the foraging trip of emperor penguins lasts several days and even weeks but diet values ...
Document : Site Section: Publications
-
Fishes of the Ross Sea Region – A field guide to common species caught in the longline fishery
. Often flattened and broad posteriorly. Median fins. Unpaired fins located in the middle of the upper ... behind the gill opening(s). May be lost or reduced in some species. Pelagic. Free swimming in the sea ... and middle), chin barbel present. 430. Bathydraconidae (Antarctic dragonfishes) Long body, one ... , and sometimes one thorn behind each eye (may be lost resulting in a scar). Also one thorn on each shoulder ...
Document : Site Section: Publications
-
Fishery Report: Exploratory fishery for Dissostichus spp. (TOT) in Subareas 88.1 and 88.2
clockwise rotating eastern gyre covering the rest of Subareas 88.1 and 88.2), and may either move west ... with the eastern Ross Sea gyre settling out along the continental slope and shelf to the east of the Ross Sea ... of D. mawsoni was selected on the basis of data quality metrics for individual trips (WG-FSA-11/42). The method ... first selected an initial informative dataset comprising trips (i) with high (above median) rates ...
Document : Site Section: Publications
-
CCAMLR and its links to the Antarctic Treaty
and birds, have been exploited since about the mid-1960s. 2. Under Article IX.1(f) of the 1959 Antarctic ... into force in 1982. The Agreed Measures were followed by the 1972 Convention for the Conservation ... . 3. Extensive harvesting of fish in the Sub-Antarctic during the late 1960s and mid-1970s, along ...
Document : Site Section: The Organisation
-
Scientific Abstracts 2005
pieces), indicating that debris is still being lost by vessels into the marine environment. Therefore ... : breeding success and foraging trip duration. Concordance between the two proxies was apparent when ... considering guard stage foraging trip durations but this was not as strong for the crèche foraging trips ... strongly correlated with later foraging trips than with earlier trips. These results could be interpreted ...
Document : Site Section: Publications
-
Scientific Abstracts 2002
_________________________________________________________________________________________ ________________________________________________________________________________________ 7 WG-EMM-02/15 Conflict or co-existence? Foraging dis- tribution and competition for prey between ... dis- tribution and SST anomalies in South Georgia waters from December 1989 to March 1991 ... from Py Point took longer foraging trips and spent significantly more time in foraging activities ... trips of 10–26 d, both sexes travelled long distances from Bird Island (male average = 572 km; female ...
Document : Site Section: Publications
-
SC-CAMLR-SSP/8
.............. .......... .... ............ ..... ... ....... .... 225 PROSPECCIONES A PEQUENA ESCALA DEL KRILL: SIMULACIONES BASADAS EN DIS1RIBUCIONES CONOCIDAS DE ... varied locally. Krill was predominantly found in fish collected on the eastern shelf while mysids were ...
Document : Site Section: Publications