Resultados de la búsqueda
-
An assessment of the impact of krill fishery on penguins in the South Shetlands
Paper Title: An assessment of the impact of krill fishery on penguins in the South Shetlands ... ) fishery and penguins during the penguins' breeding season (December to March) in the South Shetland ... krill catch is very low in December while the catch rate for the following three months is roughly ... constant (3 000 to 10 000 tonnes/10-day period) due to an increase in fishing intensity in areas closer to ... Demer (1993). (3) Distribution of krill catches in the middle 10 days of March 1991. Impact of the ... IMPACT OF THE KRILL FISHERY ON PENGUINS IN THE SOUTH SHETLANDS T. Ichii, M. Naganobu and T. Ogishima ... penguins' breeding season (December to March) in the South Shetland Islands (Subarea 48.1) was made based ... on available information on the fishery, penguins and krill. The krill catch is very low in December ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 107–128 : Autor(es): Ichii, T., M. Naganobu and T. Ogishima
-
Exploratory fishing for Dissostichus spp. in the Antarctic region (Subareas 48.1, 48.2 and 88.3)
Paper Title: Exploratory fishing for Dissostichus spp. in the Antarctic region (Subareas 48.1 ... establish the presence of Dissostichus spp. in Subareas 48.1, 48.2 and 88.3. Industrial longlines (Spanish ... °14'S), while Patagonian toothfish (Dissostichus eleginoides) were caught in waters from King ... George Island in the South Pacific Ocean (61°24'S) to the Scotia Sea in the South Atlantic (58°03 ... in the extensive continental shelf in the Bellingshausen Sea and on the eastern coast of the ... in the Pacific Ocean eastern zone, to the south of 62"s. He defines the southern limit as being in ... . mawsoni, placing it in the Pacific Ocean eastern sector, between 61°13'S and 70'38's. Furthermore, the ... FOR DISSOSTICHUS SPP. IN THE ANTARCTIC REGION (SUBAREAS 48.1,48.2 AND 88.3) P.M. Arana and R. Vega ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 1–17 : Autor(es): Arana, P.M. and R. Vega
-
Food consumption by predators in a CCAMLR integrated study region
Paper Title: Food consumption by predators in a CCAMLR integrated study region Abstract ... consumption of seabird predators is provided. This model is a development of earlier ones used in the South ... Georgia Integrated Study Region and incorporates new features, allowing for seasonal variation in predator ... determining feeding frequency in fur seals is straightforward (based on known foraging trip durations ... SC-CAMLR-IX/BG/16 FOOD CONSUMPTION BY PREDATORS IN A ... seabird predators is provided. This model is a development of earlier ones used in the South Georgia ... Integrated Study Region and incorporates new features, allowing for seasonal variation in predator weight ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 489–519 : Autor(es): Croxall, J.P., C. Ricketts and A.G. Wood
-
Diurnal variations in biological characteristics of krill, Euphausia superba Dana, to the west of the South Orkney Islands, 24 March to 18 June 1990 - based on data reported by a biologist-observer
Paper Title: Diurnal variations in biological characteristics of krill, Euphausia superba Dana ... biologist-observer Abstract / Description: Investigations of diurnal variations in the size composition of ... from March to June 1990. Observations at six daily stations were carried out in various locations ... trawl (9 to 12 tows per station, over one day). An increase in the total average size of animals caught ... be coincidental, because these stations are located close to each other. In the eastern area, where ... IV. Agreement between curves occurred in the middle of the day. As may be seen in Figure 5, curves ... average size remained unchanged in the middle of the night (in spite of a considerable increase in ... WG-KRlLL-92/9 DIURNAL V ARIATIONS IN BIOLOGICAL ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 201–222 : Autor(es): Vagin, A.V., R.R. Makarov and L.L. Menshenina
-
Precautionary spatial protection to facilitate the scientific study of habitats and communities under ice shelves in the context of recent, rapid, regional climate change
communities under ice shelves in the context of recent, rapid, regional climate change Abstract / Description ... : Recent rapid climate change is now well documented in the Antarctic, particularly in the Antarctic ... % of the Peninsula’s glaciers have retreated in recent decades. Further ice-shelf collapse will lead to ... the loss of existing marine habitats and to the creation of new habitats, with consequent changes in ... 70.416°S) which lost ~1 098 km2 in 1998 (Scambos et al., 2000); or it can be dramatic, such as the final ... for Antarctic toothfish in the eastern Weddell Sea (Subarea 48.5) has only taken place in the 2012 ... . Paradigm lost, or is top-down forcing no longer significant in the Antarctic marine ecosystem? Ant. Sci ... Regional climate change is now known to be well established in the Antarctic, particularly in the ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 139–151 : Autor(es): Trathan, P.N., S.M. Grant, V. Siegel and K.-H. Kock
-
Identifying taxonomic groups vulnerable to bottom longline fishing gear in the Ross Sea region
Paper Title: Identifying taxonomic groups vulnerable to bottom longline fishing gear in the Ross ... vulnerable marine ecosystems (VMEs) requires a specific list of the taxa that are considered vulnerable in ... the fishery being assessed. New Zealand identified an interim list of taxa to monitor in fishery by ... -catch in the Ross Sea as part of its benthic fisheries impact assessment. The rationale for including or ... at either extreme, but in the middle, categorising some species as vulnerable or not will ... throughout the Ross Sea and in eastern regions of Subarea 88.2. Observations from the fishery show anemones ... IDENTIFYING TAXONOMIC GROUPS VULNERABLE TO BOTTOM LONGLINE FISHING GEAR IN THE ROSS SEA REGION S.J. Parker ... specific list of the taxa that are considered vulnerable in the fishery being assessed. New Zealand ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 105–127 : Autor(es): Parker, S.J. and D.A. Bowden
-
Biological characteristics of Antarctic fish stocks in the southern Scotia Arc region
Paper Title: Biological characteristics of Antarctic fish stocks in the southern Scotia Arc ... region Abstract / Description: Commercial exploitation of finfish in the southern Scotia Arc took place ... from 1977/78 to 1989/90, and was in its heyday from 1977/78 to 1981/82. Except for Elephant Island, the ... , despite substantial catches in the first four years of the fishery and ample opportunity to sample these ... Eastern Bloc countries. The fishery in the Atlantic Ocean sector began on the stock of Notothenin rossii ... trawl surveys since the mid- 1960s. The fish fauna was well known in terms of its composition and a ... CHARACTERISTICS OF ANTARCTIC FISH STOCKS IN THE SOUTHERN SCOTIA ARC REGION K.-H. Kock Institut fur ... Hamburg, Germany Abstract Commercial exploitation of finfish in the southern Scotia Arc took place ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 1–41 : Autor(es): Kock, K.-H., C.D. Jones and S. Wilhelms
-
Composition and characteristics of ichthyofauna in pelagic waters of South Georgia (Subarea 48.3)
Paper Title: Composition and characteristics of ichthyofauna in pelagic waters of South Georgia ... trawl census surveys conducted in Subarea 48.3. From 1984 to 1990 daily sampling stations aimed at ... ichthyocenosis in the subarea consisted of pelagic fishes (mainly Myctophidae), distributed at a depth range of ... 250 to 300 m, as well as demersal fishes in the pelagic stage of their life cycle. Catches contained ... species was caught mainly in the southern and eastern areas where it was the predominant Channichthyidae ... specimens per haul taken in the eastern area. In pelagic hauls specimens measured from 69 to 215 mm ... southern and eastern sectors. G. nicholsi often dominated catches by Ichthyofauna in Pelagic Waters of ... CHARACTERISTICS OF ICHTHYOFAUNA IN PELAGIC WATERS OF SOUTH GEORGIA (SUBAREA 48.3) G.A. Frolkina, M.P ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 125–164 : Autor(es): Frolkina, G.A., M.P. Konstantinova and I.A Trunov
-
Status of the coastal stocks of Dissostichus spp. in East Antarctica (Divisions 58.4.1 and 58.4.2)
Paper Title: Status of the coastal stocks of Dissostichus spp. in East Antarctica (Divisions ... participation in the fishery, with only some Small-scale Research Units (SSRUs, consisting of 10° longitude ... there are two stocks in the area, one in Division 58.4.1 and one in Division 58.4.2, with the division ... tonnes per SSRU in the west (Division 58.4.2) and 1 000–1 700 tonnes per SSRU in the east (Division ... mostly adults, extending from the eastern side of SSRUs 5841C to 5841H. Since in Division 58.4.1 ... yields should be applied to SSRUs in Division 58.4.1 – if the eastern population is an extension of the ... the coaStal StockS of Dissostichus Spp. in eaSt antarctica (DiviSionS 58.4.1 anD 58.4.2) D.J. Agnew ... prerequisite for participation in the fishery, with only some Small-scale Research Units (SSRUs, consisting ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 71–100 : Autor(es): Agnew, D.J., C. Edwards, R. Hillary, R. Mitchell and L.J. López Abellán
-
CPUEs, body length and greenness of Antarctic krill during 1987/88 season in the fishing ground north of Livingston Island
Paper Title: CPUEs, body length and greenness of Antarctic krill during 1987/88 season in the ... fishing ground north of Livingston Island Abstract / Description: In order to identify whether or not ... there was a marked change in two kinds of CPUEs, body length and greenness of krill during the fishing ... season, these parameters were examined for each 10-day period of the Japanese krill fishery in the ... Figure 2a: Trawling positions of Japanese trawlers in the first and middle 10 days of January in the ... trawlers in the middle and last 10 days of February in the 1987/88 season. 330 58S~6~5_W ... 60 55 50 Figure 2d: Trawling positions of Japanese trawlers in the first and middle 10 days of ... ANTARCTIC KRILL DURING 1987/88 SEASON IN THE FISHING GROUND NORTH OF LlVINGSTON ISLAND Y. Endo and T ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 323–338 : Autor(es): Endo, Y. and T. Ichii