Результаты поиска
-
Distribution and size of Antarctic krill (Euphausia superba Dana) in Polish commercial catches taken in the Atlantic sector of the Southern Ocean from 1997 to 1999
). Hardy and Günther (1935) and Marr (1962) produced a diagram showing the distribution of krill ... . However, in the 1980s and early 1990s krill concentrations in this area were found to be numerous and ... from 20 to 70 m depth (Marr, 1962; Kalinowski and Witek, 1980), while during the day they occur in ... : 173–176. Marr, J.W.S. 1962. The natural history and geo- graphy of the Antarctic krill (Euphausia ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 83–105 : Автор(ы): Jackowski, E
-
Long-term monitoring of krill recruitment and abundance indices in the Elephant Island area (Antarctic Peninsula)
Island time series indicate that a substantial decrease has occurred since the early 1980s; this must ... the time of krill maximum abundance. However, the onset of spawning can be observed from early ... narrow band extending across the northern shelves where countercurrents flow from east to west in ... the area (Siegel, 1988). To the east of Elephant Island these various discrete size groups are ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 19–35 : Автор(ы): Siegel, V., W. de la Mare and V. Loeb
-
Acoustic estimates of krill density at South Georgia, 1981 to 1998
density was higher to the east. File: 04brierley-etal.pdf ... seasons density was higher to the east. Resume Estimations acoustiques de la densite du krill ... , South Georgia, CCAMLR INTRODUCTION and when the early Discovery investigations were underway there ... both the highest and lowest variances (1998 east and west South Georgia box surveys respectively; see ... the east of South Georgia (high variance) only 15 of the possible 210 four-transect means fell ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 47–57 : Автор(ы): Brierley, A.S., J.L. Watkins, C. Goss, M.T. Wilkinson and I. Everson
-
Interaction of marine mammals with the longline fishery around the Kerguelen Islands (Division 58.5.1) during the 1995/96 cruise
interaction occurred, as against 2.2 % of fish lost from the hooks during line hauling. File ... lost from the hooks during line hauling. Resume Les interactions observees entre les palangriers ... interactions were observed: * fur seals feed on toothfish lost from the hooks during hauling (21 fish were ... eaten out of 70 lost); fur seals dived along the line and took the fish from the hooks (23 fish were ... the number of toothfish lost from hooks during hauling (R = 0.13, p = 0.61). DISCUSSION ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 171–174 : Автор(ы): Capdeville, D
-
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
Patagonian toothfish were lost due to depredation by killer whales and both killer and sperm whales. Killer ... Patagonian toothfish were lost due to depredation by killer whales and both killer and sperm whales. Killer ... hooks can be lost while underwater, because of entanglement during setting, or entanglement or drag on ... killer whales between 1 September 2003 and 31 August 2008. Longitude (East) 44.5 45.5 ... –47.5 (b) Longitude (East) 44.5 45.5 46.5 47.5 ...
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
-
Results of the CCAMLR Antarctic fish otoliths/scales/bones exchange system
South Shetland Islands (Table 5). Sample size: 70. Four otoliths were lost during transportation ... antarcticum from the Mawson Sea (East Antarctic) (Table 6). Sample size: 50. Two otoliths were broken during ... ): 155-162. SLOSARCZYK, W. 1987. Contribution to the early life history of Ghannichthyidae from the ... ) respectively 2: U. Hoffman (GDR) 3: E. 8arrera-Oro (ARG) 4: K.-H. Kock (FRG) not available, lost n r not ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 197–226 : Автор(ы): Kock, K.-H.
-
An impact assessment framework for bottom fishing methods in the CAMLR Convention Area
). • Scenario 3: Floats on both ends lost; attempted recovery of lost gear (additional impact arises from ... dragging a recovery grapnel to snag and recover the lost backbone). • Scenario 4: Gear recovery failed ... effects of uncertainty, such that alteration of key assumptions in the early stages of the impact ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 195–210 : Автор(ы): Sharp, B.R., S.J. Parker and N. Smith
-
Growth and age/length structure of populations of Notothenia (Lepidonotothen) squamifrons (Nototheniidae) in various areas of the Indian sector of the Southern Ocean
(1969 to 1972), and during the period reflecting the current state of the exploited population (1980 to ... Islands. The age of these fish varied from 1 to 15 years. In the first years of the fishery (1969 to 1972 ... (1969-1972) Both sexes 20.1 23.3 26.3 29.1 31.7 34.0 36.2 38.3 40.1 41.9 Aae in years Area Sex 1 2 3 ... 800 969 1140 1310 - Both sexes 5 24 65 132 225 341 478 631 796 970 1148 1329 1508 (1969-1972) Both ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 123–139 : Автор(ы): Zaitsev, A.K.
-
Seabird interactions with longlining operations for Dissostichus eleginoides at the South Sandwich Islands and South Georgia
albatrosses (Diomedeiz melanophris) were present at the end of the two sets which overlapped with the early ... setting operations. The potential cost in lost time, equipment or fishing efficiency should not be under ... at night, numbers rising with the early morning light; large numbers of birds were then associated ... a greater distance from the stern. It should also be noted that if line is lost during fishing ...
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
-
Fishing ground selection in the Antarctic krill fishery: trends in patterns across years, seasons and nations
follows: SSMUs (Figure 1): APE: Antarctic Peninsula East APW: Antarctic Peninsula West APBSW: Antarctic ... Peninsula Bransfield Strait West APBSE: Antarctic Peninsula Bransfield Strait East APDPW: Antarctic ... Peninsula Drake Passage West APDPE: Antarctic Peninsula Drake Passage East APEI: Antarctic Peninsula ... Elephant Island SOSE: South Orkney South East SOW: South Orkney West SONE: South Orkney North East SGW ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 117–141 : Автор(ы): Kawaguchi, S., S. Nicol, K. Taki and M. Naganobu
Страницы
- « первая
- ‹ предыдущая
- …
- 9
- 10
- 11
- 12
- 13
- 14
- 15
- 16
- 17
- …
- следующая ›
- последняя »