Результаты поиска

1. Note sur l'étude des effets environnementaux, spatiaux, temporels et opérationnels sur la mortalité accidentelle des oiseaux dans la pêcherie à la palangre dans les secteurs de Crozet et Kerguelen en 2003–2006

   incidental mortality of seabirds was reduced by approximately half each year. A multivariate analysis has ... revealed that the incidental catch of white-chinned petrels and grey petrels is caused by a complex set of ... of the mortality of white-chinned petrels and grey petrels can be explained by the effects of season ... west) than at Crozet. Analyses show that a proportion of the incidental mortality can be explained by ...

   Meeting Document : SC-CAMLR-XXVI/BG/21 : Автор(ы): Délégation française

2. Beach debris survey – Main Bay, Bird Island, South Georgia, 2004/05

   Abstract:  During the fifteenth year of standardised beach surveys of man-made debris at Bird ... Island, South Georgia, a total of 251 items were collected. This represents an encouraging reduction of ... 43% on the 361 items recorded in 2003/04 that corresponded to the highest levels of summer beach ... debris since the 1999/00 season. The distribution of debris between summer and winter was more biased ...

   Meeting Document : SC-CAMLR-XXV/BG/12 : Автор(ы): Delegation of the United Kingdom

3. Detecting trends in the krill fishery

   Abstract:  The development of the krill fishery can be monitored and predicted using a number of ... different sources of information. Information on current catches and scientific information on the krill ... stocks is of limited value in plotting trends in the fishery at its current level. Predictions by Members ... of their future plans are also of limited use because they ultimately depend on the underlying ...

   Meeting Document : WG-EMM-02/25 : Автор(ы): S. Nicol and J. Foster (Australia)

4. Physical and behavioural influences on larval fish retention: contrasting patterns in two Antarctic fishes

   retention of the planktonic stages (eggs and larvae) of marine fish can play a key role in the maintenance ... of adult stocks. Here we use a numerical modelling approach to examine the influence of oceanographic ... and life history variability on the dispersal and retention of two species of Antarctic fish ... : Champsocephalus gunnari (mackerel icefish) and Notothenia rossii (marbled rockcod). Mean retention of N. rossii ...

   Meeting Document : WG-FSA-12/P10 : Автор(ы): E.F. Young, J. Rock, M.P. Meredith, M. Belchier, E.J. Murphy and G.R. Carvalho

5. Marine debris: a persistent and emerging threat to antarctic ecosystems

   Ocean; however it remains a persistent threat. Current understanding of the distribution and impacts of ... , and that they are from local and international sources. Knowledge of the impacts of debris ... , particularly microplastics, in Antarctic ecosystems is understudied. Combatting the problem of microplastics in ... System bodies, notably the CEP, introducing new mechanisms  instruments to mitigate local sources of ...

   Meeting Document : SC-CAMLR-XXXVI/BG/29 : Автор(ы): Submitted by ASOC

6. Human activity and disturbance: building an Antarctic site inventory

   Abstract:  There have been numerous human intrusions in the Antarctic Peninsula and west of the ... Peninsula. The region is where many Antarctic research stations are situated, and also where the bulk of ... Antarctic shipboard tourism takes place. A brief summary of this human history in Antarctica reveals a wide ... range of real and possible disturbances. Potential impacts from human activities continue to exist–and ...

   Meeting Document : WG-EMM-98/09 : Автор(ы): R. Naveen, Oceanites (USA)

7. KRILL FISHERY REPORT: 2008 UPDATE

   for krill in Area 48 in the 2007/08 season, and these vessels have taken 84110 t of krill to date. The ... preliminary estimate of the total catch of krill for the season is approximately 108343 t. This compares with ... 104586 t of krill reported in the STATLANT data for 2006/07. With the exception of Poland, all ... Contracting Parties have submitted complete sets of haul-by-haul data for 2006/07. The report includes ...

   Meeting Document : WG-EMM-08/05 : Автор(ы): Secretariat

8. Small scale krill surveys: simulations based on observed euphausiid distributions

   Abstract:  An observed distribution of Meganyctiphanes norvegica aggregations is used to examine ... the effects of krill swarm orientation and shape on the success of two proposed survey designs. The ... simulation involves a number of random paths of parallel or radially arranged transects passing through three ... distributions each of which is given 4 rotations. The results indicate that the coefficient of variation (c.v ...

   Meeting Document : WG-KRILL-91/19 : Автор(ы): D.J. Agnew (Secretariat) and S. Nicol (Australia)

9. Marine debris surveys at Bird Island, South Georgia 1990 to 1995

   Abstract:  The Antarctic marine environment has relatively few direct sources of man-made marine ... debris; however, there is concern over the dangers posed to wildlife by increasing amounts of such debris ... . Between 1990 and 1995 beached debris was monitored at Bird Island, South Georgia. This was part of a ... programme developed by the Commission for the Conservation of Antarctic Marine Living Resources (CCAMLR) to ...

   Meeting Document : CCAMLR-XV/BG/05 : Автор(ы): Delegation of the United Kingdom

10. Uncertainty in standard sphere calibrations

    Abstract:  In fisheries acoustics, the standard sphere method of echosounder calibration is most ... method, a series of experiments were conducted in a deep tank (Demer and Hewitt, 1993). Results indicated ... that variations in pulse length (0.1 and 0.3 ms), water temperature (0.5 to 5.5 C), and choice of ... variations in the system gains of 0.3, 0.2 and 1.5 dB, respectively. Additionally, system gain values ...

    Meeting Document : WG-EMM-95/70 : Автор(ы): Demer, D.A., Hewitt, R.P.

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