Результаты поиска

1. The gentoo penguin as a candidate species for the CCAMLR Ecosystem Monitoring Program

   Regions (ISRs) of the CCAMLR Ecosystem Monitoring Program), we suggest (and provide a full bibliography of ... in the CEMP. The extensive dependence of this species in these ISRs on Euphausia superba, (including ... in winter), its residence in the ISRs in winter and its early attainment of sexual maturity are all ... features of special relevance to the CEMP. File:  30-Croxall-and-Williams.pdf ... at the South Shetland Islands (both within Integrated Study Regions (ISRS) of the CCAMLR Ecosystem ... Monitoring Program), we suggest (and provide a full bibliography of supporting literature) that the gentoo ... dependence of this species in these ISRs on Euphausia superba, (including in winter), its residence in the ... ISRs in winter and its early attainment of sexual maturity are all features of special relevance to ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 483–488 : Автор(ы): Croxall, J.P. and T.D. Williams

2. Management and assessment options for the crab fishery around South Georgia

   . The fishery is also new to CCAMLR, both in terms of the species and fishing gear. We provide an ... overview of the management options for crab fisheries in general and then consider these options in the ... context of this crab fishery with specific reference to the principles of the CCAMLR Convention. We ... outline the assessment methodologies and data requirements for the implementation of the various ... spinosissima, started in Subarea 48.3 in 1992. The fishery is also new to CCAMLR, both in terms of the species ... and fishing gear. We provide an overview of the management options for crab fisheries in general and ... then consider these options in the context of this crab fishery with specific reference to the ... principles of the CCAMLR Convention. We outline the assessment methodologies and data requirements for the ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 193–202 : Автор(ы): Basson, M. and D.D. Hoggarth

3. Australian research on Antarctic bird and seal diets

   data on the diets of important vertebrate predator species in Prydz Bay and around the sub-Antarctic ... rather low proportion of the diet of most vertebrate predators. Euphausia crystallorophias and the fish ... use of these predators to monitor the state of prey populations is thus very limited, although ... continuing studies will be useful to assess the natural variability of the system. Around the sub-Antarctic ... . JOHNSTONE. 1988. Changes in the diet of Adelie penguins breeding in East Antarctica. Aust. Wildl. Res. 15 ... BIRD AND SEAL DIETS R. Williams Abstract Many data on the diets of important vertebrate predator ... priority study area, Euphausia superba forms a rather low proportion of the diet of most vertebrate ... , and many predators can switch between prey species. The use of these predators to monitor the state ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 231-249 : Автор(ы): Williams, R.

4. Krill (Euphausia superba Dana) resources and distribution in the Wilkes Land area in the seasons 1986 to 1989

   the seasons 1986 to 1989 Abstract / Description:  Results of krill (Euphausia superba Dana) resource ... account an area to the north of the edge of the continental slope. Each subarea was described in terms of ... the number of krill aggregations, regularity of their observations, krill density and total krill ... conditions and extent of the ice cover. If ice conditions are favourable, the subarea between 143° and 150°E ... concentrations in the Pacific Ocean and in the East Indian Ocean sectors of Antarctic waters have been ... to the east of the Balleny Is (to 600W) and from 1.4 to 2.3xl()6 tonnes to the west of the Balleny ... Current and southern boundary waters of the east-bound Antarctic Circumpolar Current. Taking into account ... area east of 145°20'E was covered with ice 156 -VI -.l ~ I-~'- .- " I - --Tf -f _m ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 149–162 : Автор(ы): Dolzhenkov, V.N. and V.P.Timonin

5. Otolith and body size relationships in bigeye grenadier (Macrourus holotrachys) in CCAMLR Subarea 48.3

   CCAMLR Subarea 48.3 Abstract / Description:  A large sample of otoliths from bigeye grenadier (Macrourus ... 48.3 was measured and weighed, and the usefulness of otoliths as predictors of fish size was determined ... . Otolith mass provides good estimates of fish length, whereas otolith length and width measurements provide ... less accurate estimates of fish length. Seasonal variations in fish mass with reproductive condition ... ) from the upper and middle slope of the northwest- ern Mediterranean. Deep-Sea Res., I, 42 (3): 307 ... , Madingley Road Cambridge CB3 0ET, United Kingdom Email – markb@bas.ac.uk Abstract A large sample of ... (Dissostichus eleginoides) fi shery in Subarea 48.3 was measured and weighed, and the usefulness of otoliths as ... predictors of fi sh size was determined. Otolith mass provides good estimates of fi sh length, whereas ...

   Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 133–143 : Автор(ы): Morley, S. and M. Belchier

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

   South Sandwich Islands and South Georgia Abstract / Description:  During seven days of operations ... involving the setting and hauling of longlines to catch the toothfish Dissostichus eleginoides around the ... increased rapidly after dawn and large numbers of Cape, giant and storm petrels and smaller numbers of white ... of birds are clearly potentially vulnerable to setting operations in daylight hours. Several species ... days of operations involving the setting and hauling of longlines to catch the toothfish Dissostickus ... . Bird numbers increased rapidly after dawn and large numbers of Cape, giant and storm petrels and ... smaller numbers of white-chinned petrels and black-browed albatrosses were present during day hauling ... species in these aggregations of birds are clearly potentially vulnerable to setting operations in ...

   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

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

   digests of nine sub-regions of the mitochondrial genome. Polymorphisms were found in four of seven introns ... areas. Direct sequencing of cytochrome b (665 bp) and the left domain of the control region (639 bp ... 000 D. mawsoni have been tagged in McMurdo Sound (~77°S) since 1972 (DeVries and Eastman, 1998). Of ... ) OBSERVED WITH MITOCHONDRIAL AND INTRON DNA MARKERS P.J. Smith National Institute of Water and ... P.M. Gaffney College of Marine Studies University of Delaware Lewes, DE 19958, USA Abstract Two ... detected with restriction enzyme digests of nine sub-regions of the mitochondrial genome. Polymorphisms ...

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

8. Potential interactions between wandering albatrosses and longline fisheries for Patagonian toothfish at South Georgia

   Patagonian toothfish at South Georgia Abstract / Description:  We examine the extent of overlap between South ... that D. exulans breeding at South Georgia have a relatively low potential risk of interaction with ... through mid-May, adult birds of both sexes spend most of their time at sea over the South Georgia ... such a way as to avoid fishing between the end of February and mid-May. File:  07croxall-prince.pdf ... loss of its partner. The restriction of foraging activities to the vicinity of breeding colonies ... one parent at this time will certainly cause the young chick to die. Furthermore, body reserves of ... Cross, Madingley Road Cambridge CB3 OET United Kingdom Abstract We examine the extent of overlap ... , respectively. We conclude that D. exulans breeding at South Georgia have a relatively low potential risk of ...

   Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 101–110 : Автор(ы): Croxall, J.P. and P.A. Prince

9. Krill fishing in the Scotia Sea in relation to bathymetry, including the detailed distribution around South Georgia

   distribution around South Georgia Abstract / Description:  Analyses of the distribution of krill fishing based ... mainly in shelf and shelf-break areas on the northern side of the Scotia Arc. Regional analyses reveal ... that there are restricted parts of shelf and shelf-break areas where high catches have been obtained ... . Although these data give a general idea of where the fishery has operated, they do not reveal the localised ... , operate to the east of the South Orkney Islands over a series of deep banks (Bruce, Discovery and ... northeast of Cumberland Bay to the east of Royal Bay (Figure 7). Examination in relation to the bathymetry ... Cambridge CB3 OET, United Kingdom Abstract Analyses of the distribution of krill fishing based on fine ... shelf and shelf-break areas on the northern side of the Scotia Arc. Regional analyses reveal that ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 1–17 : Автор(ы): Murphy, E.J., P.N. Trathan, I. Everson, G. Parkes and F.H.J. Daunt

10. Seal mitigation measures on trawl vessels fishing for krill in CCAMLR Subarea 48.3

    Abstract / Description:  At the 2004 meeting of the Working Group on Ecosystem Monitoring and Management ... (WG-EMM) in Siena, Italy, the UK reported on the by-catch of fur seals (Arctocephalus gazella) in the ... avoid fur seal deaths in the fishery. WG-EMM requested that the UK provide further details of the ... Street, London W1J 5PN United Kingdom Email – j.hooper@mrag.co.uk Abstract At the 2004 meeting of the ... -catch of fur seals (Arctocephalus gazella) in the krill fi shery around South Georgia, and on ... requested that the UK provide further details of the methods employed for consideration by the ad hoc ... Hooper et al. 196 Introduction At the 2004 meeting of the Working Group on Ecosystem Monitoring and ...

    Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 195–205 : Автор(ы): Hooper, J., J.M. Clark, C. Charman and D. Agnew

Страницы