Resultados de la búsqueda
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Swimming speed and allocation of time during the dive cycle of Antarctic fur seals
cycle were measured in 10 adult female Antarctic fur seals (Arctocephalus gazella) while they were ... descent and ascent phases of dives with a reduction in speed near the bottom of the dive, when the seals ... or descent (3.6 time predicted BMR). Deep diving (>30 m) and high swim speeds also incurred costs ... in terms of reduced foraging time and may explain why mean dive depths for individuals were within ...
Meeting Document : WG-EMM-95/25 : Autor(es): Bevan, R.M., Boyd, I.L., Reid, K.
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CCAMLR-IWC Export Group Report: Primary Productivity and Phytopalnkton
available, from missions beginning with the Coastal Zone Color Scanner in the late 1970s through to the ... SeaWiFS and MODIS sensors that have been providing data for the last ten years. The characteristics of ... their use in the Southern Ocean. A brief history of algorithms linking ocean color to primary ...
Meeting Document : CCAMLR-IWC-WS-08/13 : Autor(es): Matear, R., Mongin, M., Lovenduski, N., Strutton, P.
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Outline proposal for geographic information services for CCAMLR
managed by WG-EMM. It also proposes joint working with the Secretariat to enable capacity building in ... Secretariat. BAS is well-placed to offer these geographic information services, with over 10 years of ... experience in developing award-winning web-based GIS and spatial data access systems. The proposal offers a ...
Meeting Document : WG-EMM-12/70 : Autor(es): Submitted by the Secretariat on behalf of Adrian Fox, British Antarctic Survey (United Kingdom)
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SKATE DIET AT SOUTH GEORGIA INDICATES BENTHIC HABIT OF KRILL
South Georgia, Southern Ocean. The diet of A. georgiana varied with skate size and between years ... presence of Antarctic krill in this skate’s diet indicates a benthic habit of this euphausiid species ...
Meeting Document : WG-FSA-09/15 : Autor(es): C.E. Main and M.A. Collins (United Kingdom)
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Mark-recapture inputs to the 2017 Ross Sea region stock assessment (Subarea 88.1 and SSRUs 88.2A–B)
detection rates for each vessel were calculated. In the last few years the effective tagging survival is ...
Meeting Document : WG-FSA-17/36 : Autor(es): S. Parker and S. Mormede
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Volume 17: CCAMLR. 2005. Statistical Bulletin, Vol. 17 (1995–2004). CCAMLR, Hobart, Australia.
. In Volume 17, the hardcopy version summarises data submitted over the most recent 10-year period ... ‘CCAMLR season’ (1 December of one year to 30 November of the following year). The abbreviated notation ... for CCAMLR seasons refers to the calendar year in which the season ends (e.g. 2001/02 is abbreviated ... reported under the CDS in the Statistical Bulletin are reported by calendar year. The year of landing is ...
Document : Site Section: Publications
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An alternative method for estimating the level of illegal fishing using simulated scaling methods on detected effort
performs better in the case of zero detections and can potentially better handle the evasion of detection ... method used directly affects the system. This is the prevention/detection problem, in which the greater ... fishing (in the simulation datasets) for a given estimated level of fishing is very large. This range of ... patrols starting every 30 days and lasting for 16 days. All dates are given in number of days from some ... . The ranges in the ‘New method’ column covers the cases of 1 to 20 detections. When there are zero ... Ball 150 made in years in which there are no detections. It can often be the case that an absence of ... , then it is natural to assume that they are behaving the same way in those years but that luck has ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 143–161 : Autor(es): Ball, I
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SC-CAMLR-XXVII
SC-CAMLR-XXVII/08 ACTION PLAN AIMED AT REDUCING SEABIRD BY-CATCH IN THE FRENCH EEZs IN STATISTICAL ... INCIDENTAL MORTALITY OF BIRDS IN THE LONGLINE FISHERY IN THE CROZET AND KERGUELEN AREAS 2003–2006 Delegation ... OPERATIONAL EFFECTS ON THE INCIDENTAL MORTALITY OF BIRDS IN THE LONGLINE FISHERY IN THE CROZET AND KERGUELEN ... AREAS 2003–2006 Delegation of France SC-CAMLR-XXVII/13 NOTIFICATION OF VULNERABLE MARINE ECOSYSTEMS IN ...
Meeting
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Estimation of the fishery–krill–predator overlap
the level of overlap in recent years (1995-98) than estimated with either the catch in the CPD or the ... by CCAMLR (catch in the Critical Period and Distance [CPD], Agnew-Phegan index, and Realised ... distributions. Only catch in the CPD can presently be used to estimate overlap in areas other than Subarea 48.1 ... . The catch in the CPD and the Agnew-Phegan index were closely correlated, as were the RPO and Schroeder ...
Meeting Document : WG-EMM-99/11 : Autor(es): Secretariat
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CCAMLR 2000 revisited
Abstract: The total abundance of krill in the Scotia Sea was estimated from an international ... revise the precautionary catch level for krill in the area from 1.5 to 4 Mt (SC-CAMLR, 2000). By ... incorporating recent improvements in the remote identification and target strength (TS) of krill, a range of ... resulting estimates of krill biomass in the Scotia Sea are 197.78 Mt (CV=11.06%) and 37.29 Mt (CV=21.20 ...
Meeting Document : WG-EMM-07/30 Rev. 1 : Autor(es): D.A. Demer, A.M. Cossio and C.S. Reiss (USA)