Результаты поиска

1. Interactions of Patagonian toothfish fisheries with killer and sperm whales in the Crozet Islands Exclusive Economic Zone: an assessment of depredation levels and insights on possible mitigation strategies

   Paper Title:  Interactions of Patagonian toothfish fisheries with killer and sperm whales in the ... Patagonian toothfish were lost due to depredation by killer whales and both killer and sperm whales. Killer ... pods were involved in 81.3% of the interactions. Significant variations of interaction rates with ... ) Sperm whales Killer whales Figure 3: Interaction rates of killer and sperm whales with longlines ... rates were found to vary significantly between years (Figure 6), with a minimum in 2004/05 (2.8 ± 9.6 ... tuna and swordfish longline fishery off southern and south-eastern Brazil: a comparison with shark ... operating in the Crozet Islands EEZ. The vessels operated all year round with higher activ- ity in February ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 179–195 : Автор(ы): Tixier, P., N. Gasco, G. Duhamel, M. Viviant, M. Authier and C. Guinet

2. Killer whale (Orcinus orca) and sperm whale (Physeter macrocephalus) interactions with longline vessels in the Patagonian toothfish fishery at South Georgia, South Atlantic

   vessels, although smaller groups (2–3 animals) were also relatively common. Interactions with killer ... 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 ... with both species. A comparison of geographic plots of cetacean sightings during hauls to fi shing ... vessels, although smaller groups (2–3 animals) were also relatively common. Interactions with killer ... небольшие группы 113 Killer and sperm whale interactions with longline vessels (2–3 животных) также ... this fi shery as early as 1994 (SC-CAMLR, 1994), but in recent years anecdotal reports by observers ... for Data Analyses Total Number of Vessels with Fishing Licences 2000 3 3 1 1 8 11 2001 2 2 1 ...

   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

3. 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 occurred, as against 2.2 % of fish lost from the hooks during line hauling. File ... (1 - 3) 174.8 124.5 (3 - 382) 1.6i- 1.3 (0-4) 0 0 Longline Sets with Seal Interaction 16 ... INTERACTION OF MARINE MAMMALS WITH THE LONGLINE FISHERY AROUND THE KERGUELEN ISLANDS (DIVISION 58.5.1 ... occurred with the Antarctic fur seal (Auctocephalus gazella). These seals are responsible for the loss of ... lost from the hooks during line hauling. Resume Les interactions observees entre les palangriers ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 171–174 : Автор(ы): Capdeville, D

4. Preliminary appraisal of Antarctic fish selection by the 32/36 bottom trawl combined with various codends

   with various codends Abstract / Description:  Selectivity properties of single and doubler-layer twine ... codends (mesh size 120 mm) and single-layer tape codends with a mesh size of 60 and 100 mm were determined ... used in fishing for them requires further research. It should first of all cover twine codends with a ... mesh size of 80 mm, currently used on factory trawlers, as well as codends with a structure resembling ... ANTARCTIC FISH SELECTION BY THE 32/36 BOTTOM TRAWL COMBINED WITH VARIOUS CODENDS J. Zaucha (Poland ... -layer tape codends with a mesh size of 60 and 100 mm were determined. It was found that the ... fishing for them requires further research. It should first of all cover twine codends with a mesh size ... of 80 mm, currently used on factory trawlers, as well as codends with a structure resembling tape ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 1-48 : Автор(ы): Zaucha, J.

5. Seabird interactions with longlining operations for Dissostichus eleginoides at the South Sandwich Islands and South Georgia

   Paper Title:  Seabird interactions with longlining operations for Dissostichus eleginoides at the ... South Sandwich Islands, actual and potential interactions with seabirds were assessed. Bird numbers ... operations were performed; the first on 25 February and the last on 3 March 1993, with one operation per ... albatrosses (Diomedeiz melanophris) were present at the end of the two sets which overlapped with the early ... associated with day-hauling operations at each site, and Table 3 gives the mean bird abundance at different ... at night, numbers rising with the early morning light; large numbers of birds were then associated ...

   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

6. Seabird interactions with trawl and longline fisheries for Dissostichus eleginoides and Champsocephalus gunnari

   Paper Title:  Seabird interactions with trawl and longline fisheries for Dissostichus eleginoides ... was zero at Macquarie Island and very low at Kerguelen; most was associated with a single vessel using ... a netsonde cable while targetting C. gunnari. Most mortality associated with both longliners and ... trawlers was of white-chinned petrels, with a lesser mortality of albatross species. Mortality rates ... Capdeville C. gunnari 76 1 0 0 Table 3: Apparent causes of incidental mortalit associated with the ... CCAMLR Science, Vol. 3 (1996): 93-99 SEABIRD ... INTERACTIONS WITH TRAWL AND LONGLINE FISHERIES FOR DISSOSTICHUS ELEGINOIDES AND CHAMPSOCEPHAL US GUNNARI R ... associated with a single vessel using a netsonde cable while targetting C. gunnari. Most mortality ...

   Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 93–99 : Автор(ы): Williams, R. and D. Capdeville

7. 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 ... debris found in association with seabirds at sub-Antarctic Marion Island for the period May 1996 to April ... been found in association with seabird nests at Marion Island. Fishery-related marine debris was found ... most frequently in association with wandering albatross nests, while 'other' (non-fishing ... FISHING GEAR ASSOCIATED WITH SEABIRDS AT SUB-ANTARCTIC MARION ISLAND, l996197 AND 1997198: IN RELATION ... association with seabirds at sub-Antarctic Marion Island for the period May 1996 to April 1998 is reported ... from the southern bluefin tuna longline industry) had been found in association with seabird nests at ... Marion Island. Fishery-related marine debris was found most frequently in association with wandering ...

   Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 85–96 : Автор(ы): Nel, D.C. and J.L. Nel

8. 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 ... years, most new research vessels, and also some fishing vessels, are being equipped with an instrument ... – requIrements and solutIons exemplIfIed wIth a new vessel O.R. Godø* Institute of Marine Research PO Box ... presently seen in the ecosystems of the Antarctic region require a precautionary approach with respect to ... Conti, 2005; SC-CAMLR, 2010) with a precaution- ary catch limit of 5.6 million tonnes (Conservation ...

   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

9. Low genetic diversity in the Antarctic toothfish (Dissostichus mawsoni) observed with mitochondrial and intron DNA markers

   with mitochondrial and intron DNA markers Abstract / Description:  Two molecular methods, mitochondrial ... appeared to be characterised by low diversity; no genetic variation was detected with restriction enzyme ... digested with the restriction enzymes, but there was no population differentiation among the three sea ... ) OBSERVED WITH MITOCHONDRIAL AND INTRON DNA MARKERS P.J. Smith National Institute of Water and ... detected with restriction enzyme digests of nine sub-regions of the mitochondrial genome. Polymorphisms ... were found in four of seven introns digested with the restriction enzymes, but there was no population ... number of populations or stock units of D. mawsoni is unknown. There may be one genetic stock with gene ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 43–51 : Автор(ы): Smith, P.J. and P.M. Gaffney

10. Calibration of an acoustic echo-integration system in a deep tank, with system gain comparisons over standard sphere material, water temperature and time

    Paper Title:  Calibration of an acoustic echo-integration system in a deep tank, with system gain ... outlines the theory and procedures for calibrating an echo integration acoustic system with a standard ... sphere. It presents the results of an extensive calibration of a Simrad EK500 scientific echosounder with ... with the Cu sphere are, with the exception of the long pulse length, lower than those from the WC ... tank is a cylindrical steel structure, approximately 10 m deep by 3 m in diameter. It was filled with ... calibrations with optimal copper spheres. J. Acoust. Soc. Am., 73 (3): 1054-1063. FOOTE, K.G., and D.N ... -INTEGRATION SYSTEM IN A DEEP TANK, WITH SYSTEM GAIN COMPARISONS OVER STANDARD SPHERE MATERIAL, WATER ... procedures for calibrating an echo integration acoustic system with a standard sphere. It presents the ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 127–144 : Автор(ы): Demer, D.A. and R.P. Hewitt

Страницы