Результаты поиска
-
Commercial fishing vessels as research vessels in the Antarctic – requirements and solutions exemplified with a new vessel
solutions exemplified with a new vessel Abstract / Description: The climate-induced changes presently seen ... in the ecosystems of the Antarctic region require a precautionary approach with respect to the human ... – requIrements and solutIons exemplIfIed wIth a new vessel O.R. Godø* Institute of Marine Research PO Box ... owners so that new fishing vessels might be designed and instru- mented with the option of operating as ... years, most new research vessels, and also some fishing vessels, are being equipped with an instrument ... scientific fishing Olympic Shipping is building a new krill trawler and has established contact with the ...
Science Journal Paper : CCAMLR Science, Volume 21 (CCAMLR Science, Volume 21) : 11–17 : Автор(ы): Godø, O.R., C. Reiss, V. Siegel, J.L. Watkins
-
Marine debris and fishing gear associated with seabirds at sub-Antarctic Marion island, 1996/97 and 1997/98: in relation to longline fishing activity
Paper Title: Marine debris and fishing gear associated with seabirds at sub-Antarctic Marion ... been found in association with seabird nests at Marion Island. Fishery-related marine debris was found ... ) marine debris was found most frequently in association with grey-headed albatrosses and southern giant ... island, 1996/97 and 1997/98: in relation to longline fishing activity Abstract / Description: Marine ... . Fishing gear, oil and marine associated with seabirds at Bird Island, South Georgia, during 1993 / 1994 ... Marion Island. Fishery-related marine debris was found most frequently in association with wandering ... albatross nests, while 'other' (non-fishing) marine debris was found most frequently in association with ... provide us with much-needed information about the amount and type of marine debris available within ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 85–96 : Автор(ы): Nel, D.C. and J.L. Nel
-
Interaction of marine mammals with the longline fishery around the Kerguelen Islands (Division 58.5.1) during the 1995/96 cruise
Paper Title: Interaction of marine mammals with the longline fishery around the Kerguelen Islands ... during the 1995/96 cruise and marine mammals occurred with the Antarctic fur seal (Arctocephalus gazella ... INTERACTION OF MARINE MAMMALS WITH THE LONGLINE FISHERY AROUND THE KERGUELEN ISLANDS (DIVISION 58.5.1 ... (Dissosfichus eleginoides) to the west of the Kerguelen Islands during the 1995/96 cruise and marine mammals ... occurred with the Antarctic fur seal (Auctocephalus gazella). These seals are responsible for the loss of ... commercial fisheries and marine mammals can result from competition for the same resource (Northridge, 1984 ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 171–174 : Автор(ы): Capdeville, D
-
Australian research on Antarctic bird and seal diets
Paper Title: Australian research on Antarctic bird and seal diets Abstract / Description: Many ... BIRD AND SEAL DIETS R. Williams Abstract Many data on the diets of important vertebrate predator ... superba 22.3 Cephalopods 0 Others 0.2 Generally no significant differences with time, but P ... . antarcticum tended to increase slightly through the study period, with a consequent slight decrease in E ... in the Adelie penguin, breeding success is inversely correlated with the amount of E. superba in the ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 231-249 : Автор(ы): Williams, R.
-
Significant conservation benefits obtained from the use of a new fishing gear in the Chilean Patagonian toothfish fishery
Paper Title: Significant conservation benefits obtained from the use of a new fishing gear in the ... Chilean Patagonian toothfish fishery Abstract / Description: A new fishing technique, adapted from the ... macrocephalus). The performance of this fishing technique with regard to seabird mortality and depredation by ... then compared with similar data obtained in 2002 in the same fleet in the same fishing grounds prior to ... little research into finding new operational solutions to both the problem of bird mortality and ... with similar seabird and marine mammal issues. materials and methods Study area The Chilean ... marine mammals The results of the application of this gear con- figuration in 2006 were compared with ... catch damage was two-fold less with the use of the new system (Figure 3). One important observation ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 79–91 : Автор(ы): Moreno, C.A., R. Castro, L.J. Mújica and P. Reyes
-
Precautionary measures for a new fishery on Martialia hyadesi (Cephalopoda, Ommastrephidae) in the Scotia Sea: an ecological approach
Paper Title: Precautionary measures for a new fishery on Martialia hyadesi (Cephalopoda ... development of a new fishery for the ommastrephid squid Martialia hyadesi in the Scotia Sea, this paper ... 000 tonnes, with an upper estimate of 550 000 tonnes if less reliable data are included. M. hyadesi ... spawns between autumn and mid-summer with peak hatching in winter/spring. Its life span has not been ... MEASURES FOR A NEW FISHERY ON MARTIALIA HYADESI (CEPHALOPODA, OMMASTREPHIDAE) IN THE SCOTIA SEA: AN ... United Kingdom Abstract In anticipation of the development of a new fishery for the ommastrephid ... annual consumption of M. hyadesi by higher predators in the Scotia Sea is 245 000 tonnes, with an upper ... -summer with peak hatching in winter/spring. Its life span has not been established. Data from the CCAMLR ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 125–139 : Автор(ы): Rodhouse, P.G
-
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
South Georgia, 2002–2005: within-year variation provides a new framework for interpreting previous ... = 64.2). A sinusoidal regression model (period = 52 weeks) with time as the independent variable ... estimates with the observed pattern of within-year variability showed that some of the apparent ‘year-to ... ) AT SOUTH GEORGIA, 2002–2005: WITHIN-YEAR VARIATION PROVIDES A NEW FRAMEWORK FOR INTERPRETING ... PREVIOUS ‘ANNUAL’ ESTIMATES OF KRILL DENSITY R.A. Saunders and A.S. Brierley Gatty Marine Laboratory ... sinusoidal regression model (period = 52 weeks) with time as the independent variable explained 64% of the ... region between 1990 and 2005. Comparison of these ‘snap-shot’ ship survey estimates with the observed ...
Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 27–41 : Автор(ы): Saunders, R.A., A.S. Brierley, J.L. Watkins, K. Reid, E.J. Murphy, P. Enderlein and D.G. Bone
-
Killer whale (Orcinus orca) and sperm whale (Physeter macrocephalus) interactions with longline vessels in the Patagonian toothfish fishery at South Georgia, South Atlantic
with longline vessels in the Patagonian toothfish fishery at South Georgia, South Atlantic Abstract ... / Description: Killer whale (Orcinus orca) and sperm whale (Physeter macrocephalus) interactions with longline ... most abundant marine mammal observed in the vicinity of vessels when lines were being hauled, being ... with both species. A comparison of geographic plots of cetacean sightings during hauls to fi shing ... behaviour of marine mammals and entanglements with fi shing gear are also important considerations. Further ... Africa, Western Australia, New Zealand and Chile (Gaskin, 1982). Sperm whales feed primarily on large ... –longline interactions in the New Zealand fi shery (Visser, 2000). Although it seems as though cetacean ... killer whales took toothfi sh. Visser (2000) reported that in New Zealand killer whales selectively ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 111–126 : Автор(ы): Purves, M.G., D.J. Agnew, E. Balguerías, C.A. Moreno and B. Watkins
-
Estimation of natural mortality using catch-at-age and aged mark-recapture data: a multi-cohort simulation study comparing estimation for a model based on the Baranov equations versus a new mortality equation.
; constant catch ODE (CCODE) model uses a new total mortality ODE with constant within-year catch per unit ... new mortality equation. Abstract / Description: An estimation strategy for natural mortality, M ... with recruitment average of 2 million with annual coefficient of variation (CV) of 0.3 and annual catch ... estimates with that for M. In contrast, when sigmoidally shaped selectivity was simulated, and the ... (CCODE) model uses a new total mortality ODE with constant within-year catch per unit time and does not ... Equations vErsus a nEw mortality Equation S.G. Candy Australian Antarctic Division Department of ... predicted catch-at-age numbers. Simulations assumed 1 000 releases per year over 12 years with ... recruitment average of 2 million with annual coefficient of variation (CV) of 0.3 and annual catch of 500 000 ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 1–27 : Автор(ы): Candy, S.G.
-
Seabird interactions with longlining operations for Dissostichus eleginoides at the South Sandwich Islands and South Georgia
South Sandwich Islands, actual and potential interactions with seabirds were assessed. Bird numbers ... Paper Title: Seabird interactions with longlining operations for Dissostichus eleginoides at the ... mortality was seen and only one bird was caught on a hook; nevertheless many species in these aggregations ... the New Zealand sub-Antarctic squid trawl fishery, 1990. Bird Conservation International, 1: 351-359 ... during both setting and hauling. Information was recorded on data sheets as used by the New Zealand ... associated with day-hauling operations at each site, and Table 3 gives the mean bird abundance at different ... capture of seabirds by Japanese southern bluefin tuna longline vessels in New Zealand waters 1988-1992 ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 143–153 : Автор(ы): Ashford, J.R., J.P. Croxall, P.S. Rubilar and C.A. Moreno
Страницы
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- …
- следующая ›
- последняя »