Search results
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Physical and behavioural influences on larval fish retention: contrasting patterns in two Antarctic fishes
, and support internationally important fisheries. However, there is significant inter-annual variability ... internationally important fisheries. However, there is significant inter-annual variability in fish stocks ...
Meeting Document : WG-FSA-12/P10 : Author(s): E.F. Young, J. Rock, M.P. Meredith, M. Belchier, E.J. Murphy and G.R. Carvalho
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Preliminary analyses of an ectoparasite Eubrachiella antarctica as a marker for stock discrimination of Antarctic toothfish in the Ross Sea
of Fisheries Observers on four toothfish longline vessels recorded the number of E. antarctica on the fins ... as a marker for stock discrimination of Antarctic toothfish in the Ross Sea. New Zealand Ministry of Fisheries ...
Meeting Document : WG-FSA-06/28 : Author(s): P.J. Smith, A. McKenzie and L. Tubbs (New Zealand)
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COLLAPSE OF SOUTH AFRICA’S PENGUINS IN THE EARLY 21ST CENTURY
of purse-seine fisheries. In Algoa Bay, numbers of African penguins halved from 21 000 pairs in 2001 to 10 ... fisheries. In Algoa Bay, numbers of African penguins halved from 21 000 pairs in 2001 to 10 000 pairs ...
Meeting Document : WG-EMM-11/P8 : Author(s): R.J.M. Crawford, R. Altwegg, B.J. Barham, P.J. Barham, J.M. Durant, B.M. Dyer, D. Geldenhuys, A.B. Makhado, L. Pichegru, P.G. Ryan, L.G. Underhill, L. Upfold, J. Visagie, L.J. Waller and P.A. Whittington
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Incidental mortality of seabirds associated with longline fishing in Subarea 48.3 – preliminary results of scientific observations onboard the Chilean longliner, Puerto Ballena, from March to May 1996
Abstract: Estimates of the number of seabirds taken incidentally in longline fisheries ... Estimates of the number of seabirds taken incidentally in longline fisheries on Patagonian ...
Meeting Document : WG-FSA-96/31 : Author(s): Selling, J., Kock, K.-H.
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Notes on the availability of three important finfish species in offshore waters of the lower South Shetland Islands (Subarea 48.1)
survey was compared to the 1998 Potter Cove data to examine potential inshore-offshore relationships ... for these three species. In general, these two data sets are complementary, and demonstrate well-defined changes ... be increased. However, the value of these data as a combined singular data set for one year of sampling ... information, and allow a more direct comparison of the two data sets to be realised, particularly with respect ...
Meeting Document : WG-FSA-99/31 : Author(s): C.D. Jones (USA), E.R. Barrera-Oro, E.R. Marschoff and R.J. Casaux (Argentina)
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Biogeographic patterns of benthic invertebrate megafauna on shelf areas within the Southern Ocean Atlantic sector
shelf communities ideally incorporates a range of data on physical, environmental and biological ... Peninsula and the South Shetland Islands, the data indicate a two-layered pattern based on standardised ... total biomass data and the composition of phyla that contribute to that biomass. An examination ... of physical oceanographic data reveals a pattern of shelf faunal zonation: the benthic invertebrate ... information for the commercial bottom trawl fishery that occurred in this region is not reliably documented ... Fisheries Science Center 8604 La Jolla Shores Drive La Jolla, CA 92037, USA Email – chris.d.jones ... incorporates a range of data on physical, environmental and biological properties. Analysis of the benthic ... Islands, the data indicate a two-layered pattern based on standardised total biomass data ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 167–192 : Author(s): Lockhart, S.J. and C.D. Jones
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Priority research surveys to address uncertainties in the assessment of toothfish in Subareas 88.1 and 88.2
. Given the continued uncertainty arising from the relative paucity of abundance data, age and length ... composition data and gonad data for toothfish in some geographic areas and seasons, and from lack ... of sufficient data to understand toothfish movements and stock structure, we believe that research of this kind ... . Given the continued uncertainty arising from the relative paucity of abundance data, age and length ...
Meeting Document : WG-FSA-13/55 : Author(s): S. Hanchet, B. Sharp and S. Parker (New Zealand)
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Interannual changes in body fat condition, stomach content mass and distribution of minke whales in Antarctic Areas IV and V
suggests that girth can be a useful indicator of food availability. In Areas IV and V, krill (Euphausia ... V. In Area V, in a year of high sea-ice extent, the krill-rich slope region in the western zone was covered ... suggests that girth can be a useful indicator of food availability. In Areas IV and V, krill (Euphausia ... V. In Area V, in a year of high sea-ice extent, the krill-rich slope region in the western zone was covered ...
Meeting Document : WG-EMM-97/18 : Author(s): Ichii, T., Nishiwaki, S., Tamura, T., Fujise, Y., Matsuoka , K.
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Temporal scales of foraging in a marine predator: implications for interpreting the distribution of prey
primarily on krill, which is patchily distributed. When combined with information about swimming speed ... and/or the spatial distribution of krill swarms varied between years. The behavior of fur seals suggested ... to adapt quickly to changes in the spatial patterning of prey. Antarctic fur seals feed primarily on krill ... and/or the spatial distribution of krill swarms varied between years. The behavior of fur seals suggested ...
Meeting Document : WG-EMM-95/23 : Author(s): Boyd, I.L.
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Temporal variability in Adélie penguin CEMP parameters and their response to changes in prey availability
was much greater than was observed in the two years with concurrent krill abundance. If the temporal ... in krill availability at low levels (ie the Hollings type II shape curve). Our results highlight ... in response parameters was much greater than was observed in the two years with concurrent krill abundance ... occurring with changes in krill availability at low levels (ie the Hollings type II shape curve). Our ...
Meeting Document : WG-EMM-12/22 : Author(s): L. Emmerson and C. Southwell (Australia)