Resultados de la búsqueda

1. 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 ... are expected to increase–because of the growing number of expedition tour operators and of the number ... of trips being offered. In this context, the soon-to-be-effective Antarctic Environmental Protocol is ...

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

2. Some principles for fisheries regulation from an ecosystem perspective

   Abstract:  The paper discusses some principles to be considered in the formulation of a framework ... for the regulation of fisheries from an ecosystem perspective, under the Convention for the ... subsiduary objectives for regulation which have a more rigorous scientific interpretation than the broad ... principles of conservation set out in the Convention. An important property required for subsiduary ...

   Meeting Document : SC-CAMLR-V/BG/13 : Autor(es): Delegation of Australia

3. Annual report from SCAR to CCAMLR

   Abstract:  Abstract   This Background Paper reports on the various activities conducted by SCAR ... that are of potential interest to CCAMLR, with a focus on new activities. The book on Antarctic Climate ... Change and the Environment (ACCE) was published in October 2009 and the Southern Ocean Observing System ... (SOOS) planning document has been finalized, the implementation of which will be supported by a ...

   Meeting Document : CCAMLR-XXIX/BG/15 : Autor(es): Submitted by SCAR

4. A preliminary assessment of mackerel icefish (Champsocephalus gunnari) in Division 58.5.2, based on recent survey results

   Abstract:  The annual Random Stratified Trawl Survey was undertaken in Division 58.5.2 in the ... icefish population structure, abundance and yield for the area of Division 58.5.2 to the west of 79 o 20 ... ’ E using standard CCAMLR methods. A pattern of 5 year classes being present simultaneously in the ... 2+, dominate the population in both abundance and biomass. A new length weight model is estimated ...

   Meeting Document : WG-FSA-12/26 : Autor(es): D.C. Welsford (Australia)

5. Propuesta modificada de medida de conservación para establecer un Área Marina Protegida en el Dominio 1 (Península Antártica Occidental y Arco de Scotia meridional)

   Abstract:  This paper contains the revised version of the proposed draft Conservation Measure ... presented in last year’s paper CC-CCAMLR-XXXVII/31. The revised version of the D1MPA proposal addresses ... outstanding issues as raised by Members during the 37th Scientific Committee Meeting (Hobart, 2018). The ... rationale underlying the modifications in the D1MPA Model, aimed to achieve conservation objectives agreed ...

   Meeting Document : CCAMLR-38/25 Rev. 1 : Autor(es): Delegations of Argentina and Chile

6. Fish stock assessment survey in Subarea 48.3, 2004

   Abstract:  This report describes the activities and preliminary results of the 9th UK fish stock ... British Antarctic Survey scientists during January and February 2004. In addition to the random stratified ... bottom trawl survey the research was extended by a week in order that further investigations into the use ... of acoustic methods for the determination of icefish biomass could be undertaken. Following the ...

   Meeting Document : WG-FSA-04/85 : Autor(es): M. Belchier, M. Purves, M. Collins, S. Hawkins, T. Marlow, R. Mitchell, J. Szlakowski and J. Xavier (United Kingdom)

7. Growth of Antarctic krill Euphausia superba at South Georgia

   Abstract:  Antarctic krill Euphausia superba has a central role in the ecosystem of the Southern ... Ocean and knowledge of its growth rate is central to determining the factors influencing population ... dynamics. The length of Antarctic krill in the diet of Antarctic fur seals Arctocephalus gazella at South ... Georgia revealed a consistent increase in size between c 42- c 54 mm over the period October-March ...

   Meeting Document : WG-EMM-01/18 : Autor(es): K. Reid (United Kingdom)

8. Some changes observed in Antarctic seabird distribution and behaviour

   Abstract:  The data on sea birds distribution and abundance collected on the route Kaliningrad ... - Kaliningrad from 1999 November to 2000 April are analyzed. Significant shift of the southern boundary range of ... the great shearwater Puffinus gravis up to South Sandwich Islands (about 7 degrees) is revealed. The ... fact may be explained by abundance fluctuation or shift of the Southern Polar Front to the South ...

   Meeting Document : WG-EMM-00/36 : Autor(es): F. Litvinov (Russia)

9. Albatross populations: status and threats

   Abstract:  The status of the worlds albatrosses are reviewed within the framework of the taxonomic ... changes proposed by Nunn et al. (1996) and Robertson and Nunn (this volume). The latest estimates of size ... of breeding populations (pairs) at all known localities of each of the 24 proposed species are ... population monitoring the status (i.e. population trends) of two-thirds of the worlds ca. 150 albatross ...

   Meeting Document : SC-CAMLR-XV/BG/21 : Autor(es): Submitted by SCAR

10. Target strength of mackerel icefish (Champsocephalus gunnari) from a scattering model

    Abstract:  An anatomically detailed acoustic scattering model has been used to estimate the ... cm, at 38 kHz. The model used computed tomography (CT) scans of fish to determine the sound speed and ... density throughout the fish and simulated the complex interaction of the incident sound wave with the ... acoustic impedance contrasts throughout the fish. A preliminary length to tilt-averaged TS relationship is ...

    Meeting Document : SG-ASAM-09/06 : Autor(es): G. Macaulay (New Zealand)

Páginas