Resultados de la búsqueda
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The incidence of plastic in the diets of Antarctic seabirds
live prey. Among species that feed a t the surface, most of which eat both live and dead organisms ... that the Antarctic Convergence blocks plastic debris, which is commonly found a t the sea surface in ... that feed below the sea surface contained little plastic, as expected; these birds live entirely on ... , incidence of plastic was highest among the smaller ones and those that are omnivores, or feed on zooplankton ...
Meeting Document : SC-CAMLR-X/BG/18 : Autor(es): Delegation of USA
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e-cc-i.pdf
... 28 May 1982. 7. It was agreed that it would be appropriate for all signatories which are not yet ... majority of delegations agreed with that interpretation. Some delegations, however, did not agree ... . In the event of the absence of one member of the Commission from a meeting, that member could be ... consulted about matters to be considered at that meeting. 15. The question of observers and the nature of
application/pdf attached to:CCAMLR-I
Meeting Report : CCAMLR-I
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e-cc-xxix-a5.pdf
... that the Secretariat be tasked with preparing a report concerning the practice in other multilateral ... website (www.ccamlr.org) and sought constructive feedback from Members to assist with that task. 9. The ... management systems since CCAMLR’s establishment and requested that funds be made available in the 2011 ... would be considered pending review of the Strategic Plan. 14. SCAF recommended that, to improve
application/pdf attached to:SCAF-10
Meeting Report : SCAF-10
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Revised selectivities for Dissostichus eleginoides taken by longliners in Subarea 48.3
Abstract: Kirkwood and Agnew (2001, paper WG-FSA-01/48) proposed an ad hoc method for estimating ... – 1999. This method was applied by WG-FSA-01, with minor amendments, to estimate annual age-specific ... method for estimating the selectivities based on an assumption that the proportions of the total CPUE in ... an area for a particular length class that are taken in different depth zones are Beta-distributed ...
Meeting Document : WG-FSA-02/64 : Autor(es): G.P. Kirkwood (United Kingdom)
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Fishery Report: Dissostichus eleginoides (TOP) Kerguelen Islands (Division 58.5.1)
. The Working Group recommended that, where possible, areas with high by-catch rates should be avoided ... undertaken, the integrated assessment using CASAL that was presented in WG-FSA-12/09, could be used to ... provide management advice for 2013 and agreed that the current catch limit of 5 100 tonnes could be used ... be strengthened by regular meetings between TAAF and fishing masters of vessels with high by-catch ...
Document : Site Section: Publications
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Report on bottom fisheries and vulnerable marine ecosystems
that specific guidance would need to be developed to adequately monitor fisheries by-catch for ... effort is not included, and the C1 database may be incomplete with respect to some recent research ... the mainline with hooks. Similarly, an assessment of the impacts of bottom trawling may be expected ... particular interaction with the fishing gear. Fragility will be different for different VME taxa; when the ...
Document : Site Section: Publications
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MODELLING ANTARCTIC KRILL: SCALE, MOVEMENT AND AGE‐STRUCTURE
039;s capabilities are illustrated using 19 years of survey data collected by the U.S. AMLR Program ... around the South Shetland Islands, but it is being developed to be applicable to any region where multi ... time of year in which the data were collected, with multiple surveys at different times within a year ... and environmental time series will also be incorporated. Annual movement by krill among areas is ...
Meeting Document : WG-EMM-11/43 Rev. 1 : Autor(es): D. Kinzey, G. Watters and C. Reiss (USA)
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Evidence to support the annual formation of growth zones in otoliths of Antarctic toothfish (Dissostichus mawsoni)
estimates agree with growth curves calculated previously from a sample of data that was large but lacked any ... D. mawsoni that had been injected with oxytetracycline some years before recapture. The six ... the Ross Sea (CCAMLR Subarea 88.1) have been aged assuming that one translucent zone is formed ... in each consecutive mode. This indicates that the modes represented year classes and that one ... addition, sagittal otoliths were examined from D. mawsoni that had been injected with oxytetracycline some ... length (TL) are seldom caught (Hanchet et al., 2001). Horn (2002) concluded that multiple banding was ... -frequency data (with associated otoliths) exhibiting distinct juvenile modes (Jones et al., 2001), and a ... set of otoliths from recaptured D. mawsoni that had previously been injected with oxytetracycline ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 125–138 : Autor(es): Horn, P.L., C.P. Sutton and A.L. DeVries
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Structure and distribution of the slope fish community in the vicinity of the sub-Antarctic Prince Edward Archipelago
-/benthopelagic prey. Diet data on 6 species and stable isotopes of 22 fish species revealed that with a few ... investigated during the pilot survey conducted in April 2001 onboard fishing vessel MV Ibis. A total of 56 fish ... average fish diversity and total CPUE positively correlated with the trawling depth. Overall, mean ... . The hierarchal analysis identified three distinct fish assemblages with very pronounced dominant ...
Meeting Document : SC-CAMLR-XXIII/BG/20 : Autor(es): Delegation of South Africa
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Precision of growth band determination from eyestalk sections of Antarctic krill (Euphausia superba) preserved in formalin
value with the accumulation of reading runs. The estimated VBFGs were expressed as L t =60.50*(1-e-0.50 ... information for Antarctic krill (Euphausia superba) will be important for stock assessment modeling and future ... *(t-0.45)) for males and L t =69.59*(1-e-0.25*(t+0.58)) for females, respectively (note: those ... technique before reading, contrary to Krafft et al. (2016) and Kilada et al. (2017). Combined with published ...
Meeting Document : WG-EMM-18/P16 : Autor(es): G.P. Zhu, Y. Yang, Q. Song and H.T. Zhang