Результаты поиска

1. Quantification of Southern Ocean phytoplankton biomass and primary productivity via satellite observations and biogeochemical models (submitted to the 2008 Joint CCAMLR-IWC Workshop)

   blooms is presented for the major provinces surrounding Antarctica. Some of the published information ... regarding phytoplankton species composition and succession is summarised. A review of ecosystem and ... biogeochemical models for the Southern Ocean is presented, with a focus on those models that have been validated ... /06, an interdis- ciplinary survey was conducted of East Antarctica (30°E to 80°E). The suite of ... blooms is presented for the major provinces surrounding Antarctica. Some of the published in- formation ... this review, the term ‘model’ is reserved for biogeochemical simulations, and ‘algorithm’ is used to ... ) data as input. Note the close match in the modelled and observed estimates for each of the six years ...

   Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 247–265 : Автор(ы): P.G. Strutton, N.S. Lovenduski, M. Mongin and R. Matear

2. Effect of line sink rate on albatross mortality in the Patagonian toothfish longline fishery

   fishery Abstract / Description:  An experiment was conducted on autoline and Spanish-system longline ... . Sink rates to 4 m depth were greatest with 35 m (0.44 m/s) and 50 m (0.33 m/s) between weights. For ... /s should greatly reduce the incidental take of albatrosses. For autoline vessels with gear and line ... hooks in about 25 minutes and 17 280 hooks in about 90 minutes (plus deployment time for the 140 m ... -browed albatrosses) and white-chinned petrels for about 20 and 33 S respectively. At 200 m spacings ... sufficient deterrents for albatrosses (see below). The bird line on the In Sung 66 consisted of a single 80 ... . Longlining. Fishing News Books. Blackwell Science Ltd., UK. Brothers, N. 1995. An investigation into the ...

   Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 133–150 : Автор(ы): Robertson, G.G

3. Trends in relative abundance of fjord Notothenia rossii, Gobionotothen gibberifrons and Notothenia coriiceps at Potter Cove, South Shetland Islands, after commercial fishing in the area

   reported for the period 1983-1990. A trend of increasing N. rossii catches was observed, but the levels of ... inshore sub-populations of N. rossii and G. gibberifrons over the last 16 years was most probably caused ... per haul was highly variable between years and within the same season. Therefore, for analysis, fish ... . coriiceps. We have used N . coriiceps as a reference species to obtain an abundance index for N. rossii ... . Barrera-Oro, E.R. and R.J. Casaux. 1992. Age estimation for juvenile Notothenia rossii from Potter Cove ... abundance were analysed using an ANOVA design, grouping the hauls on a sp1it;year basis. The split-year is ...

   Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 43–52 : Автор(ы): Barrera-Oro, E.R., E.R. Marschoff and R.J. Casaux

4. Results of Soviet investigations of the distribution and ecology of pelagic squids (Oegopsida) in the Southern Ocean

   specimens of that total were identified as Brachioteuthis riisei. In recent years (1978-1984) the collection ... description is also suggested for M. hamiltoni, the data on which come only from beaks found in sperm whale ... gears, including data published in other countries and in the monographic review "World Ocean ... habits of sperm whales in the Southern Ocean for 13 years were snmmed up, the scope of material on M ... . 125 specimens of that total were identified as Brachioteuthis riisei. In recent years (1978-1984 ... web. Such description is also suggested for M. hamiltoni, the data on which come only from beaks ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/2 (Selected Scientific Papers, SC-CAMLR-SSP/2) : 79-111 : Автор(ы): Lubimova, T.G.

5. A declining trend in the abundance of Notothenia rossii marmorata and Notothenia gibberifrons observed in fjords in two sites in the South Shetland Islands

   as significant. The material for the current study was obtained with trammel nets at Potter Cove ... , King George/25 de Mayo I., over a period of eight years from 1983 to 1990 and in waters around Half ... sampling by this method did not utilize a consistent amount of effort between years, the analysis made use ... to the catches of N. neglecta. A similar declining trend had been reported in the 1960s and 1970s for ... , expressed as proportions (Equation 1). An overall declining trend is evident for both species, and its ... WG-FSA-90/14 A DECLINING TREND IN THE ABUNDANCE OF ... material for the current study was obtained with trammel nets at Potter Cove, King George/25 de Mayo 1 ... ., over a period of eight years from 1983 to 1990 and in waters around Half-Moon 1., Moon Bay, in 1989 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 263–274 : Автор(ы): Barrera-Oro, E. and E. Marschoff

6. The Patagonian toothfish (Dissostichus eleginoides) fishery in the Kerguelen Islands (Indian Ocean sector of the Southern Ocean)

   eleginoides) have been fished in the Kerguelen Islands zone for 20 years, firstly with trawlers and more ... the Kerguelen Islands zone for 20 years, firstly with trawlers and more recently with longliners ... entered in a single- table database called ‘Kerpêche’ for trawlers (split- years – 1 July to 30 June ... years. In 1987 (Duhamel, 1987), this was estimated to be 56 cm for males and 80 cm for females, but ... – 1979/80 to 2000/01) and in Excel tables for longliners (1990/91 to 2003/04). All these data have been ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 1–25 : Автор(ы): Lord, C., G. Duhamel and P. Pruvost

7. Otolith microstructure of juvenile mackerel icefish (Champsocephalus gunnari) (Channichthyidae) in the South Georgia area

   relationship found between fish length and daily otolith increments could be used for age differentiation of ... comprised two year classes arising from spawning in the 1999/2000 and 2000/01 split-years. The mean width of ... increments. TL varied from 5.5 to 10.4 cm for fish in their first year (120–250 days) to 12.5–13.3 cm in 1 ... ) to 2.8 μm at 500 days (TL 13.1 cm). The pelagic stage of egg incubation development for fish of the ... variation in the published length estimates for fi sh of the same age. Kock (1981) reported the mean ... used for age–growth analyses. One otolith of each pair was immersed in an alcohol–water solution ... shown in Figures 1, 2 and 3. For age-reading purposes, the Antarctic split- year system was used, in ... the 1999/2000 (5 speci- mens) and 2000/01 (20 specimens) split-years. The 1999/2000 year class ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 173–181 : Автор(ы): Shcherbich, L.V

8. Archival and satellite-linked data recorders

   provides an overview of currently-available data recorders for use in research on marine animals. These ... recorders are deployed on freely swimming animals and gather data on aspects of an animal’'s diving ... Recorders, wherein the instrument is attached to an animal and data recovery and/or geolocation are ... between years. SECTION I. ARCHIVAL DATA RECORDERS An archival recorder is an instrument which gathers ... data (.e.g. depth, temperature) about an animal of interest and stores these data until the animal ... potential for - 481 - geolocation of the animal. The details of the ARGOS system and the transmission ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 475-493 : Автор(ы): Hill, R.D.

9. Characteristics of krill aggregations in the South Sandwich Islands subarea in January–February 2000

   biomass is shown. About 64% of the krill biomass was concentrated in krill swarms in the upper 80 m depth ... 20 00 19 83 19 90 Po te nt ia l F is hi ng G ro un d s (J an ua ry ... horizontal density (over 20 g m-2) was related to krill swarm concentrations within the 15–80 m depth layer ... be r 19 84 Ja nu ar y 19 85 M ea n d ep th r an ge (m ) 70 80 80 50 62 44 .0 ... with densities greater than 20 g m-2, formed by swarm fi elds distributed within the 0–80 m layer ...

   Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 145–164 : Автор(ы): Kasatkina, S.M., A.P. Malyshko, V.N. Shnar and O.A. Berezhinsky

10. Analysis of results from demersal fish surveys at South Georgia, undertaken by the United Kingdom and the USSR, January and February 1990

    these large hauls were considered in the analysis. No ideal method was found for incorporating the large ... series. All hauls were intended to last for 30 minutes at a speed of 3 to 3.5 knots. Hauls were ... five years. He felt that there was some tendency for the fish to migrate within Subarea 48.3 with the ... mentioned above and it was concluded that they were responsible for the major difference between the ... .... 18 Remainder of South Georgia 150 to 250 m stratum 190623 (N=12) 18271 (N=20) Total biomass for ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 223–254 : Автор(ы): (Report of a Joint UK/USSR Workshop, 23 to 27 July 1990)

Страницы