Результаты поиска

1. A RISK MANAGEMENT FRAMEWORK FOR AVOIDING SIGNIFICANT ADVERSE IMPACTS OF BOTTOM FISHING GEAR ON VULNERABLE MARINE ECOSYSTEMS

   Abstract:  CCAMLR adopted a new conservation measure in 2007 (CM 22-06) to ensure that significant ... adverse impacts of bottom fishing gear on Vulnerable Marine Ecosystems (VMEs) are avoided. Due to the high ... levels of uncertainty surrounding both the evidence of VME presence and the consequences of interaction ... used successfully by IMAF to minimise the effects of longline fishing mortality on seabirds. The aim of ...

   Meeting Document : WG-FSA-08/64 : Автор(ы): K. Martin-Smith (Australia)

2. Distribution, density and relative abundance of Antarctic krill estimated by maximum likelihood geostatistics on acoustic data collected during commercial fishing operations

   regular scientific monitoring of the resource. Recently, however, the Commission for the Conservation of ... , and likely correlation in space and time. The applied method showed low sensitivity of monthly ... Abstract:  There is a substantial harvestfor Antarctic krill in the Southern Ocean, butlittle ... fisheries to increase the amount of relevant information available for making management decisions. We here ...

   Meeting Document : WG-EMM-16/P12 : Автор(ы): E.J. Niklitschek and G. Skaret

3. Net diagrams and MED of CM 21-03 for Korean Krill fishing vessels

   ):  Delegation of the Republic of Korea Title:  Net diagrams and MED of CM 21-03 for Korean Krill fishing vessels ... Abstract:  As required by Conservation Measure 21-03, Annex 21-03/A, net diagrams and mammal ... exclusion devices included in Korean krill fishery notifications are submitted by Korea. Author(s ...

   Meeting Document : WG-EMM-15/08 : Автор(ы): Delegation of the Republic of Korea

4. KRILLBASE: a circumpolar database of Antarctic krill and salp numerical densities, 1926–2016

   on the abundance of both taxa have been obtained from net sampling surveys since 1926, but much of ... conservation. Previous versions of KRILLBASE have led to a series of papers since 2004 which illustrate some of ... the potential uses of this database. With increasing numbers of requests for these data we here ... 56 seasons in two epochs (1926–1939 and 1976–2016). Here, we illustrate the seasonal, inter-annual ...

   Meeting Document : WG-EMM-17/P03 : Автор(ы): A. Atkinson, S.L. Hill, E.A. Pakhomov, V. Siegel, R. Anadon, S. Chiba, K.L. Daly, R. Downie, S. Fielding, P. Fretwell, L. Gerrish, G.W. Hosie, M.J. Jessopp, S. Kawaguchi, B.A. Krafft, V. Loeb, J. Nishikawa, H.J. Peat, C.S. Reiss, R.M. Ross, L.B. Quetin, K. Schmidt, D.K. Steinberg, R.C. Subramaniam, G.A. Tarling and P. Ward

5. Estimating nest-level phenology and reproductive success of colonial seabirds using time-lapse cameras

   corroborated general understanding of latitudinal trends and species-level plasticity in phenology. 4. The ... camera network in the Antarctic Peninsula region to demonstrate its utility. 3. Mean egg lay and ... Abstract:  We wish to draw the attention of Members to an online application of the R code ... published in the attached paper. The web-based app ‘photoR’ (https://jefferson.shinyapps.io/photor2 ...

   Meeting Document : WG-EMM-18/P01 : Автор(ы): J.T. Hinke, A. Barbosa, L.M. Emmerson, T. Hart, M.A Juáres, M. Korczak-Abshire, G. Milinevsky, M. Santos, P.N. Trathan, G.M. Watters and C. Southwell

6. INVESTIGATING LENGTH AT MATURITY OF ANTARCTIC TOOTHFISH (DISSOSTICHUS MAWSONI) BASED ON SCIENTIFIC OBSERVERS’ DATA

   Abstract:  Through generalised linear models, the gonadosomatic index of Antarctic toothfish in ... difference in the GSI values of fish at different maturity stages. However these studies were carried out on ... 137cm. The equivalent GSI at 50% maturity was in the range of 1.1 to 1.4%. These results were used to ... histology and GSI data, most fish found in the northern areas, about a third of those found in the slope ...

   Meeting Document : WG-FSA-08/48 : Автор(ы): S. Mormede, S. Parker and P. Grimes (New Zealand)

7. Multiple acoustic estimates of krill density at South Georgia during 2000/2001 reveal significant intra-annual and spatial variability

   was less than that in the eastern box (80.4 g m-2). Analysis of mid-season western survey box transect ... was intermediate between the eastern and western areas. The size structure of the krill in the central ... density to the south-west of South Georgia was 32.1 g m-2 mid-season. By March, krill density in the ... single “snap-shot” acoustic survey data. This is a crucial step in the elucidation of response functions ...

   Meeting Document : WG-EMM-01/15 : Автор(ы): A.S. Brierley, C. Goss, S.A. Grant, J.L. Watkins, K. Reid, M. Belchier, I. Everson, M.J. Jessop, V. Afanasyev and J. Robst (United Kingdom)

8. IMPACTS OF CLIMATE CHANGE ON ANTARCTIC MARINE ECOSYSTEMS: A CALL FOR ACTION

   decade, but little in the way of policy or operational change has resulted at CCAMLR. Over the past 50 ... ice. "The uncertainty in climate predictions leads to uncertainty in projections of impacts, but ... Committee needs to increase its work on climate change impacts in order to consider the consequences of a ... approach to management in the context of the unknowns of climate change, and to include in this approach ...

   Meeting Document : CCAMLR-XXVII/BG/27 : Автор(ы): Submitted by ASOC

9. An index of per capita recruitment

   )eM where R1 is the proportion of age-1 animals sampled in year y and M is the post-recruit mortality ... the population is available; and 4) the proportion of age-1 animals in the sample can be determined ... assumed in order to investigate the resulting distributions of PCR. Distributions of PCR are skewed toward ... conclusions are insensitive to changes in the shape of the functional relationship between spawners and ...

   Meeting Document : WG-EMM-99/50 : Автор(ы): R. Hewitt (USA)

10. NET-BASED VERIFICATION OF ACOUSTIC TECHNIQUES USED TO IDENTIFY ANTARCTIC KRILL

    model derived target id window only identified krill in 6 of the 16 nets correctly. The ‘2 freq 2-16 ... ’ algorithm attributed more than 90 % of the total backscatter to krill in all but 1 aggregation with the ‘2 ... krill in 12 out of the 16 nets. The ‘2 freq 2 – 12’ window only attributed more than 90 % of the total ... backscatter to krill in 6 nets while the ‘3 freq model’ attributed only just greater than 50 % of the ...

    Meeting Document : WG-EMM-08/54 : Автор(ы): J. Watkins and S. Fielding (United Kingdom)

Страницы