Search results
-
An impact assessment framework for bottom fishing methods in the CAMLR Convention Area
of a the local benthic community over years, and ‘negligible’ at the scale of the entire ecosystem over decades ... in the CCAMLR context are defined in Article II, as the risk that human activities will: (i) cause harvested ... 7– 20 08 ). A f ul l im pa ct a ss es sm en t ta bl e w ou ld i nc lu d e se pa ra ... were examined on a year-by-year basis it was apparent that fishing in non-preferred areas has been ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 195–210 : Author(s): Sharp, B.R., S.J. Parker and N. Smith
-
The Kerguelen database
4tl.30 Q8.40 U8.50 49..00 119.10 U9.20 u9.30 U9.IIO 09.50 50,00 50.1U 50.2u 50.30 5u.IIU ... ll7 .00 4"1.10 '17 .20 117.30 47.40 47.50 £1\\.00 48.10 aa.20 lIil.3U . '18.40 48.50 u9.00 ... 119.1n 119.20 49.3U 1l9.40 Q9.50 5 O. 00 50.10 50.20 '50.30 50.41) 50.50 51.00 51.1(1 51.20 ... + .' 1 3 70.40 ... 5 1 71.30 + 72.20 + 2 ? 4 513 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 23-54 : Author(s): Duhamel, G.
-
Food and feeding of the mackerel icefish (Champsocephalus gunnari) around South Georgia in January/February 1991
or lanternfish (Myctophidae) are of minor importance. In years when krill is abundant it represents the staple ... food. Mackerel icefish then tend to aggregate in areas of krill concentrations. In years of low krill ... are often more dispersed in these years of krill scarcity (Kock, 1981). During the UK Demersal Fish Survey ... 33.7 1 839 21.6 2 777 20.0 3 803 20.7 4 152 3.9 The proportion of empty stomachs varied ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 15–23 : Author(s): Kock, K.-H., I. Everson, S. Campbell, G. Parkes, Z. Cielniaszek and J. Szlakowski
-
Preliminary results of a bottom trawl survey around Elephant Island in October and December 1987
and December 1987. >- (,) c Q) :J cr Q) '- 10 20 10 Figure 8: 10 20 30 Chaenocephalus ... cTapllIeM). CocTaB YJIOBOB C. gunnari CI1JIbHO OTJIl1lIaJIC.H OT COCTaBOB YJIOBOB B npe,aw,aYW;l1x ce30 ... as their interactions with the environment and their trophic links with plankton and benthos. In the first years (1975 ... using a 140' bottom trawl with a small meshed liner of 20 mm. Sampling depth varied from 65-458 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 185-200 : Author(s): Kock, K.-H.
-
The fishery for Patagonotothen brevicauda guntheri in CCAMLR Subarea 48.3
NOT LXX Other Species eS) eW) 1987 Nov 1-10 ANI 54 38 38 0 14 0 0 11-20 ANI 54 38 79 0 29 0 0 21-30 ... 32 30 - 28 - 26 - 24 - 22 - 20 - 18 - 16 - 14 - 12 - 10 ... 9 o 7 6 6 4 3 2 1 o - - - - - - - - - ~ - - - - - - - - - t5 ) \~ I 10 I 11S I 20 21S 30 I 31S T 40 41S I ISO IS IS 80 81S 7i I Size ... ). ! I \ ~ /\ ) l I I I I I I - I I i i i J T I I I I cm o 6 10 16 20 25 30 36 40 46 60 66 60 86 70 cm Figure 2: Size frequency distribution ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 275–283 : Author(s): Everson, I. and C. Mitchell
-
On the intensity of sampling krill trawl catches
stages; • for most purposes a minimum sample size of at least 100 animals/trawl is necessary to obtain ... information on maturity stages; • for most purposes a minimum sample size of at least 100 animals/trawl ... 120 100 90 80 70 60 50 40 30 20 10 30 35 ... 8012, South Africa 29 30 • l'examen des differences minimales de longueurs decelables d'une ... from the aft-quarter of the trawl codend and the lengths of 50, 100 and 150 animals were measured ... . A variable number of animals per sample were also measured until 50 animals in a single 1 mm size class were ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 29–48 : Author(s): Miller, D.G.M.
-
Preliminary model of krill fishery behaviour in Subarea 48.1
and Elephant Islands in alternate years would result in an average yearly catch similar to that at present ... during alternate years. File: 06agnew-marin.pdf ... and Elephant Islands in alternate years would result in an average yearly catch similar to that at present ... during alternate years. ... and Elephant Islands in alternate years would result in an average yearly catch similar to that at present ... predators during alternate years. Resume Description d'un modele simple du comportement de la pecherie ... ) and the South Shetland Islands (Subarea 48.1). Although only about 20% of the South Atlantic catch has been ... assumed to be 30 days long). Data from the Chilean fishery in Subarea 48.1 were used to parameterise ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 71–79 : Author(s): Agnew, D.J. and V.H. Marín
-
Potential impacts of bottom trawling on benthic communities in Prydz Bay, Antarctica
that bottom trawling in the past 20 years has had a considerable effect on the community structure ... B 3aJIHBe TIpIO~3 B 1990/91 r. C06paHHble ~aHHble HCnOJIb- 30BaJIHCb B H3Y'-leHHH nOTeH~HaJIbHOrO B03 ... integridad. 1. INTRODUCTION In the last 10 years, a number of studies have highlighted the impacts ... for a standard haul duration on the bottom of 30 minutes at 3 knots. The sweeps (25 mm diameter combination rope ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 403–410 : Author(s): Constable, A.J.
-
Age and growth of Antarctic euphausiacea (crustacea) under natural conditions
Peninsula and the south-eastern Weddell Sea. Life spans range from two years for Euphausia frigida to six ... years for the krill Euphausia superba. Growth in length and weight was calculated by non-linear ... for the species Euphausia triacantha, and a three-year life span proposed. Male Euphausia crystallorophias have ... and the south-eastern Weddell Sea. Life spans range from two years for Euphausia frigida to six years ... and the south-eastern Weddell Sea. Life spans range from two years for Euphausia frigida to six years ... triacantha, and a three-year life span proposed. Male Euphausia cr¥stallorophias have a shorter life span ... 3TOi TOQKH 3peHHH. SbIn 3aHOBO npoaHanH3HpoBaH ce30HHbli POCT AnH BHAa Euphausia triacantha ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 369-370 : Author(s): Siegel, V.
-
A review of data on abundance, trends in abundance, habitat use and diet of ice-breeding seals in the Southern Ocean (submitted to the 2008 Joint CCAMLR-IWC Workshop)
, and moulting in mid- to late summer. For the rest of the year, these species spend much of their time ... m in ear- lier surveys). Shipboard survey methods were the same as those used in previous years. The area ... al. (1983); analysis and synthesis of these data with all the data collected in previous years ... (20°E–90°E) and Weddell Sea (20°E–60°W)). The haul-out model developed for crabeater seals ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 49–74 : Author(s): Southwell, C., J. Bengtson, M. Bester, A.S. Blix, H. Bornemann, P. Boveng and M. Cameron, J. Forcada, J. Laake, E. Nordøy, J. Plötz, T. Rogers, D. Southwell, D. Steinhage, B.S. Stewart and P. Trathan