Результаты поиска

1. Survey design to estimate krill abundance during FIBEX

   of the primary aims of FIBEX (First International BIOMASS Experiment), 1981 was to study the ... methodology for assessing the abundance of krill. The survey design used in the southwest Atlantic study area ... of the FIBEX is described in this paper. Sampling involved the use of echo sounders for estimating ... krill abundance as well as collection of data on the size, density and distribution of krill swarms. In ... Reports 36: 96-156. 258 MARR, J.W.S. 1962. The natural history and geography of the Antarctic Krill ... ABUNDANCE DURING FIBEX I. Everson, I. Hampton, G.M. Jolly Abstract One of the primary aims of FIBEX ... of krill. The survey design used in the southwest Atlantic study area of the FIBEX is described in ... this papers. Sampling involved the use of echosounders for estimating krill abundance as well as ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 253–263 : Автор(ы): Everson, I., I. Hampton and G.M. Jolly

2. Estimating unaccounted fishing mortality in the Ross Sea region and Amundsen Sea (CCAMLR Subareas 88.1 and 88.2) bottom longline fisheries targeting Antarctic toothfish

   mortality resulting from the loss of sections of bottom longline gear in the Ross Sea region and Subarea ... / Description:  Stock assessments rely on estimates of total mortality resulting from fishing activities ... counted in estimates of total fishing removals or otherwise accounted for in stock assessment models. The ... average 208 tonnes of Antarctic toothfish mortality may be unaccounted for annually. While the current ... the loss of sections of bottom longline gear in the Ross Sea region and Subarea 88.2 Antarc- tic ... resulting from the loss of sections of bottom longline gear in the Ross Sea region and Subarea 88.2 ... , the purpose of this paper is to: (i) characterise bottom longline gear loss in the Ross Sea and ... terminol- ogy is used to distinguish categories of gear loss as reported to CCAMLR: (i) ‘gear’, which ...

   Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 17–30 : Автор(ы): Webber, D.N. and S.J. Parker

3. Exploratory fishing for Dissostichus spp. in the Antarctic region (Subareas 48.1, 48.2 and 88.3)

   del Fuego was conducted as part of the New Fisheries Projects developed by Chile, primarily to ... establish the presence of Dissostichus spp. in Subareas 48.1, 48.2 and 88.3. Industrial longlines (Spanish ... system) were used for the operation, with variable quantities of fish hooks (1 440 to 4 320), No. 9 ... Mustad Kirby type, set between depths of 600 and 2 550 m. Sardines (Sardinops sagax) and squid (Illex ... zone; however, nothing ever became of this effort. It was not until the 1960s that the Soviet Union ... , from Kerguelen to Bouvet Island, in the Indian Ocean and part of the Atlantic east of the Southern ... Abstract During February and March 1998, a 43-day cruise on FV Tierra del Fuego was conducted as part of ... the New Fisheries Projects developed by Chile, primarily to establish the presence of Dissostichus ...

   Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 1–17 : Автор(ы): Arana, P.M. and R. Vega

4. Identifying taxonomic groups vulnerable to bottom longline fishing gear in the Ross Sea region

   vulnerable marine ecosystems (VMEs) requires a specific list of the taxa that are considered vulnerable in ... the fishery being assessed. New Zealand identified an interim list of taxa to monitor in fishery by ... -catch in the Ross Sea as part of its benthic fisheries impact assessment. The rationale for including or ...  National Institute of Water and Atmospheric Research (NIWA) Ltd PO Box 893 Nelson, New Zealand Email ... specific list of the taxa that are considered vulnerable in the fishery being assessed. New Zealand ... identified an interim list of taxa to monitor in fishery by-catch in the Ross Sea as part of its benthic ... importance and value of deep-sea eco- systems and the biodiversity they contain’ (UNGA, 2007). Although ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 105–127 : Автор(ы): Parker, S.J. and D.A. Bowden

5. Spatially explicit population dynamics models for Antarctic toothfish in the Ross Sea region

   dynamics of spatial heterogeneity of the population along with age structure, movement and reproductive ... region and used as operating models to evaluate the performance of single-area assessments. The models ... shapes of the preference functions were established through iterative model testing whilst the parameters ... defining the preference functions were estimated within each model. The spatial structure of the models ... model, tag shedding, tag loss, tag growth loss and tag mortal- ity were not considered. For each of ... , the spatial structure and movement of fish has shown the potential to have a strong influ- ence on ... , risking overexploitation of those stocks (e.g. Ying et al., 2011). Spatially explicit stock assessments ... modelling of move- ment of fish populations between areas has general- ly been either where migration ...

   Science Journal Paper : CCAMLR Science, Volume 21 (CCAMLR Science, Volume 21) : 19–37 : Автор(ы): Mormede, S., A. Dunn, S. Hanchet and S. Parker

6. Note on estimating krill abundance from acoustic data on individual aggregations

   Abstract / Description:  The fundamental equations and assumptions underlying estimation of krill abundance ... differences of the two approaches are highlighted. It is concluded that the echo-integration approach is ... superior for the estimation of regional krill abundance and its variance since it is easier to apply ... equations and assumptions underlying estimation of krill abundance using echo-integration information and ... aggregation parameters are briefly described. The chief differences of the two approaches are highlighted ... . It is concluded that the echo-integration approach is superior for the estimation of regional kriU ... (WG-Krill) emphasised the importance of acoustic techniques in the determination of krill abundance ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 219–223 : Автор(ы): Hampton, I. and D.G.M. Miller

7. Factors to consider in developing management measures for krill

   / Description:  A brief review of the objectives of the Convention for the Conservation of Antarctic Marine ... Living Resources is given along with an outline of steps for the evolution of management procedures for ... krill fisheries. Various possible elements of procedures such as reactive, predictive, and feedback ... management, modelling, indicator species, pulse fishing, and the use of open and closed areas and seasons are ... identified and calibrated, it would be an article of faith that the use of the condition factor as a ... MANAGEMENT MEASURES FOR KRILL W.K. de la Mare>l< Abstract A brief review of the objectives of the ... Convention for the Conservation of Antarctic Marine Living Resources is given along with an outline of ... steps for the evolution of management procedures for krill fisheries. Various possible elements of ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 175–187 : Автор(ы): de la Mare, W.K.

8. Southern elephant seals and CCAMLR

   research findings of primarily South African (including some French and Australian results) studies on the ... southern elephant seal (Mirounga leonina) in the Kerguelen province of the Southern Ocean. Sub-populations ... of this species have declined at Kerguelen, Marion, Prince Edward and Heard Islands. Population ... been recently confirmed for the Macquarie Island stock. The availability of food, competition with ... , D.G.M. Miller (South Africa) Abstract SC-CAMLR-VI/BG/28 This paper describes research findings of ... seal (Mirounga leonina) in the Kerguelen province of the Southern Ocean. Sub-populations of this ... recently confirmed for the Macquarie Island stock. The availability of food, competition with rapidly ... causes of the elephant seal's decline in the region. Such explanations assume that a communal feeding ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 465-473 : Автор(ы): Bester, M.N. and D.G.M. Miller

9. Scientific observations in CCAMLR fisheries – past, present and future

   / Description:  CCAMLR has the primary competency for managing fishing south of the Antarctic Polar Front ... . Despite a relatively long history of scientific research and fisheries, CCAMLR’s fisheries management ... -independent studies are difficult and expensive to conduct. In addition, the size of the Convention Area, its ... standard catch and effort data supplied by vessels, the collection of data by scientifically qualified ... technical coordinators to receive observer reports from vessels at the end of each fi shing trip and email ... south of the Antarctic Polar Front. Despite a relatively long history of scientifi c research and fi ... addition, the size of the Convention Area, its remoteness and prevailing inclement weather further ... collection of data by scientifi cally qualifi ed observers on board fi shing vessels has assumed prominence ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 81–98 : Автор(ы): Sabourenkov, E.N. and E. Appleyard

10. Preliminary study on nesting Adélie penguins disturbance by unmanned aerial vehicles

    Abstract / Description:  The importance of unmanned aerial vehicles (UAVs) in remote sensing is rapidly ... potential effects of wildlife disturbance by fixed-wing UAVs are investigated. In austral summer 2014/15 ... . Thomas (Western Shore of Admiralty Bay, King George Island, Antarctica, Subarea 48.1). The impacts of ... , vigilance/anxiety and aggression. Percentages of birds exhibiting different types of behaviour, time spent ... . Evaluation of the Ravens UAS to detect and monitor greater sage- grouse leks within the Middle Park ... aerial vehicles M. Korczak-Abshire and A. Kidawa Institute of Biochemistry and Biophysics Polish ... Academy of Sciences Department of Antarctic Biology Pawinskiego 5a, 02-106 Warsaw Poland Email ... – akidawa@arctowski.pl A. Zmarz University of Warsaw, Faculty of Geography and Regional Studies ...

    Science Journal Paper : CCAMLR Science, Volume 23 (CCAMLR Science, Volume 23) : 1–16 : Автор(ы): Korczak-Abshire, M., A. Kidawa, A. Zmarz, R. Storvold, S.R. Karlsen, M. Rodzewicz, K. Chwedorzewska and A. Znój

Страницы