Search results
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Cetaceans as indicators of historical and current changes in the East Antarctica ecosystem
minke whale, resulting in a decreasing trend in the age at sexual maturity of this species between ... approximately 1940 and 1970. A low age at sexual maturity favored an increase in the recruitment rate and total ... and stomach content weight since the 1980’s. This observation is consistent with the stable trend of age ... the Antarctic minke whale, resulting in a decreasing trend in the age at sexual maturity of this species between ...
Meeting Document : WG-EMM-16/64 : Author(s): Y. Fujise and L.A. Pastene
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30 years of krill fisheries management – challenges remain
. Author(s): Submitted by ASOC Title: 30 years of krill fisheries management – challenges remain Approval ... 30 years of krill fisheries management – challenges remain ... the two-year experimental design of scientific observation produced positive results, it seems ... vessels in the krill fishery as the best way to achieve systematic observer coverage. The review of CEMP ...
Meeting Document : CCAMLR-XXX/BG/19 : Author(s): Submitted by ASOC
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CCAMLR conservation measures: a review
living resources. The first measure was introduced in 1984, and the number of measures in force each year ... are in force for a period of one year only. Other conservation measures include specifications for protecting ... at a steady rate of approximately one new element every two to three years. Elements include access ... . This review allowed the development of two alternative approaches for simplifying the drafting of fishery ...
Meeting Document : CCAMLR-XX/BG/04 : Author(s): Secretariat
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A statistical method for analysing the extent of IUU fishing in CCAMLR waters: application to Subarea 48.3
/01. Each year covered fully the period 1 October – 30 September, thus including one summer and one ... the total number of days of IUU fishing that could occur during each year. For each IUU incident detected ... model. For each year, the model simulated 1000 IUU fishing incidents during the year, and from the known ... associated with IUU fishing. The catch rate of fish was calculated for each Area and each year using reported ...
Meeting Document : WG-FSA-02/4 : Author(s): D.J. Agnew and G.P. Kirkwood (United Kingdom)
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Downward adjustments to local catch limits for the krill fishery in Subarea 48.1
and observations on breeding phenology for Adélie, chinstrap, and gentoo penguins. Mean age at crèche can predict ... poor recruitment; when the chicks in a cohort crèche at a relatively young age, cohort strength ... , with remote cameras, the mean ages at crèche of Adélie, chinstrap, and gentoo penguins at multiple sites ... by this camera network, and camera-based estimates of age at crèche are on par with those based on visual ...
Meeting Document : WG-EMM-16/46 : Author(s): Antarctic Ecosystem Research Division, Southwest Fisheries Science Center and NOAA Fisheries
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Entanglement of Antarctic fur seals in man-made debris at Bird Island, South Georgia
compared to 30), it was substantially lower than during the 1988/89 and 1989/90 seasons (190 and 156 ... of entanglement during the pup-rearing period was slightly higher than in the previous year (48 compared to 30 ... the incidence of entanglement during the pup-rearing period was slightly higher than in the previous year (48 ... years. Author(s): Delegation of United Kingdom Title: Entanglement of Antarctic fur seals in man-made ...
Meeting Document : SC-CAMLR-XI/BG/09 : Author(s): Delegation of United Kingdom
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Report of the first SCAR Krill Action Group (SKAG) meeting (Cambridge, United Kingdom, 16 July 2018)
for the initial two-year period (2019 and 2020). The first SKAG planning meeting was held on 16 th July 2018 ... for the initial two-year period (2019 and 2020). The first SKAG planning meeting was held on 16th July 2018 ... Abstract: At last year’s meeting the Scientific Committee requested that SCAR consider ... in relation to the review of CM 51-07. Interaction between SKAG and Integrating Climate and Ecosystem Dynamics ...
Meeting Document : SC-CAMLR-XXXVII/23 : Author(s): B. Meyer
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Update of the integrated stock assessment for the Patagonian toothfish (Dissostichus eleginoides) for the Heard and McDonald Islands (Division 58.5.2)
, both trawl and longline, were used for 2009 to 2011 since there were few fished aged for these years ... updating total removals by sub-fishery and updating catch-at-age and catch-at-length proportions ... was the inclusion of random stratified trawl survey (RSTS) abundance-at-age for 2010 and 2011 and conversion of 2008 ... and 2009 RSTS abundance-at-length to abundance-at-age. This was possible due to the large number ...
Meeting Document : WG-FSA-11/24 : Author(s): S.G. Candy and D.C. Welsford (Australia)
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ABUNDANCE ESTIMATES FOR CRABEATER, WEDDELL AND LEOPARD SEALS AT THE ANTARCTIC PENINSULA AND IN THE WESTERN WEDDELL SEA (90º - 30º W, 60º - 80º S)
Peninsula and the western Weddell Sea region (90º to 30º W and 60º to 80º S). Author(s): J. Forcada and P.N ... AT THE ANTARCTIC PENINSULA AND IN THE WESTERN WEDDELL SEA (90º- 30º W, 60º- 80º S) Approval: Approved ... and the western Weddell Sea region (90º to 30º W and 60º to 80º S). ... AND IN THE WESTERN WEDDELL SEA (90º - 30º W, 60º - 80º S) ...
Meeting Document : WG-EMM-PSW-08/06 : Author(s): J. Forcada and P.N. Trathan (United Kingdom)
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Population and survival trends of wandering albatrosses (Diomedea exulans) breeding on Macquarie Island
Marion Island, Iles Crozet and Amsterdam Island. The age distribution of the current breeding population ... and Amsterdam Island. The age distribution of the current breeding population also provides supporting evidence ... than 20 breeding pairs. Most breeding birds in this small population are banded and monitoring over ... the last 40 years has increasingly focused on their conservation status. Demographic trends ...
Meeting Document : WG-FSA-04/50 : Author(s): A. Terauds, R. Gales, R. Alderman and G.B. Baker (Australia)