Résultats de la recherche
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e-sc-xxxii.pdf
... met from 21 to 25 October 2013 at the CCAMLR Headquarters in Hobart, Tasmania, Australia. The meeting ... achieve the objectives in Article II (v) indicators that reflect processes at different time- and space ... Article II in the contexts of climate change and feedback management (see also paragraphs 8.1 to 8.10 ... predator research community to work together in a collaborative manner to deliver results on predator
application/pdf attached to:SC-CAMLR-XXXIIMeeting Report : SC-CAMLR-XXXII
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The ecosystem approach to managing fisheries: achieving conservation objectives for predators of fished species
in its infancy. A general approach is proposed for maintaining ecological relationships and providing ... for the recovery of depleted populations in food webs supporting fisheries. This paper addresses the ... objectives? The approach proposed here takes account of uncertainties in knowledge of the structure of ... ecosystems. Estimates of predator production arising from the consumption of fished species (encapsulated in ... 20-30 years, wl~ich is the critical period over which the system should not be irreversibly changed ... zero after 20 years. Prey 2 is more abundant (-3x) than Prey 1 in the absence of fishing and then ... years (see text for details). Year Figure 7: Individual productivity for each predator in the trial ... discussed here. year to the next, such that there inay be more predators of fished species in years when ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 37–64 : Auteur(s): Constable, A.J
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Effects of weather and sea-ice on the reproductive performance of the Adélie penguin at Edmonson Point, Ross Sea
seasons. Weather and sea-ice regimes varied notably, especially in 2003, which was characterised by ... extensive and persistent sea-ice and strong winds with snowfalls in December. First incubation trips by ... females were significantly longer than in 1999 and 2001, which in turn delayed the mean departure date of ... delayed compared to dates recorded in 1999 and 2001. The average weight of adults rearing chicks was lower ... 0 10 20 30 40 50 60 70 80 W in d s p e e d ( k n o ts ) n = 97 n = 76 ... -January. In 2003 the fast-ice again extended about 20 km but, unlike the previous year, it did not ... -ice regimes (Ainley, 2002). Sea-ice may vary in persistence, concentration and extent from year to ... conditions varied during the three seasons (Figure 1). In 1999 maximum wind speed exceeded 30 knots on a ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 99–109 : Auteur(s): Olmastroni, S., F. Pezzo, V. Volpi and S. Focardi
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e-sc-xxxvii-a7.pdf
... information that should be obtained. 2.16 The Workshop did not discuss all the matters raised in the paper ... , Germany, in February 2018. 2.19 The Workshop noted that all three stock hypotheses developed at WS-DmPH ... CCAMLR scholarship during the last two years and encouraged her ongoing engagement in the work of ... dependent predators. She stressed that such evidence is not present even in the years of the greatest
application/pdf attached to:WS-SM-18Meeting Report : WS-SM-18
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e-sc-xxii-a4.pdf
... provisional total krill catch in 2001/02 (125 987 tonnes) was 20% higher than the catch reported in 2000/01 ... availability and for developing a biological basis for the identification of years in which predator ... 48.5). Over the past 10 years, the SOW SSMU has been fished intensely in the seasons 1994/95, 1998/99 ... presented in haul-by-haul form over a number of years. Once such a dataset is available, it would then be
application/pdf attached to:WG-EMM-03Meeting Report : WG-EMM-03
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e-sc-xxiii.pdf
... in the manual’s revision. 2.14 Unlike previous years, this year WG-FSA has not comprehensively ... . It was convened by Dr S. Hanchet (New Zealand). WG-FSA-SAM met from 5 to 9 July in Siena, Italy ... Fisheries 1.10 Under the conservation measures in force in the 2003/04 season (1 December 2003 to 30 ... could be estimated at comprising approximately 20 working days in 2005/06 and would cost about A$7 200
application/pdf attached to:SC-CAMLR-XXIIIMeeting Report : SC-CAMLR-XXIII
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Sensitivity investigation of the SDWBA Antarctic krill target strength model to fatness, material contrast and orientation
the distribution of animal orientations. Due to the high variability of TS to realistic changes in ... model is recognised as state-of-the-art in predicting acoustic target strength (TS) from fluid-like ... TS of Antarctic krill (Euphausia superba) for use in the acoustic echo-integration method. In this ... study, the SDWBA TS pattern and frequency response behaviours at standard survey frequencies and animal ... the along-axis deforma- tion and changes in animal body curvature during swimming. With a successive ... if that animal is representative of krill in the wild. In their validation of the SDWBA model to ... rb a M . n or ve gi ca N [4 5. 3, 30 .4 ] N [5 3. 8, 64 .2 ] O bs er va tio n in ... ] O bs er va tio n in a qu ar iu m C hu e t a l., 1 99 3 E. su pe rb a N [ 20 ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 97–122 : Auteur(s): Calise, L. and G. Skaret
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Improving estimates of Adélie penguin breeding population size: developing factors to adjust one-off population counts for availability bias
presented for the collection and development of data to adjust counts of Adélie penguins made at any time in ... point one week after the peak in egg laying, consistent with Standard Method A3 of the CCAMLR Ecosystem ... illustrated using data collected at the Béchervaise Island CEMP site in 2007/08. Estimates of the breeding ... , breeding-age penguins that failed to return to the breeding site in that breeding season, nor pre-breeding ... foraging and relieve the males from their incubating duties, who in turn leave the breeding sites to ... undertaken ‘on the same day each year…when about two-thirds of chicks have entered crèches’ in the same ... 1 Nov 16 1 Dec 16 1 Jan 16 1 Feb 16 0. 0 0. 2 0. 4 0. 6 0. 8 1. 0 0 10 20 30 40 50 60 ... Camera 2 16 1 Nov 16 1 Dec 16 1 Jan 16 1 Feb 16 0. 0 0. 2 0. 4 0. 6 0. 8 1. 0 0 10 20 30 40 50 ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 229–241 : Auteur(s): Southwell, C., J. McKinlay, L. Emmerson, R. Trebilco and K. Newbery
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e-sc-xxviii.pdf
... Antarctic Marine Living Resources met from 26 to 30 October 2009 at the CCAMLR Headquarters in Hobart ... Living Resources held in Hobart, Australia, from 26 to 30 October 2009. Reports of meetings and ... in 2008/09 and notifications for 2009/10 .......... 30 Tagging in exploratory toothfish fisheries ... ............................................ 30 Research hauls in exploratory fisheries ............................................... 32 Open
application/pdf attached to:SC-CAMLR-XXVIIIMeeting Report : SC-CAMLR-XXVIII
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e-sc-xxvi-a6.pdf
... ). I.30 In comparison with estimates for previous years, calculated in identical fashion, the value ... seabird captures in 2006/07 (Part II, Table 1). As last year, and in combination with the data from the ... its total seabird by-catch each successive year and noted the efforts made to achieve this result in ... , paragraph 20); (iii) all relevant raw by-catch data be submitted in the appropriate format, as is done
application/pdf attached to:WG-IMAF-07Meeting Report : WG-IMAF-07