Results 71 to 80 of about 138 (102)
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Reduced seabird night strikes and mortality in the Tristan rock lobster fishery
African Journal of Marine Science, 2013The main impact of the fishery for Tristan rock lobster Jasus tristani on seabirds at the Tristan archipelago and Gough Island is through night strikes, when petrels collide with a ship after being disorientated by its lights. Tristan fishery observers have kept records of night strikes on the MV Edinburgh since the 2010/2011 fishing season.
Peter G Ryan
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Summary of OMP development and implementation schedule for Tristan rock lobster.
, 2018 This document provides a summary of the OMP development and implementation schedule for Tristan rock lobster.
Johnston, Susan
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Short CommunicationReduced seabird night strikes and mortality in the Tristan rock lobster fishery
African Journal of Marine Science, 2013 The main impact of the fishery for Tristan rock lobster Jasus tristani on seabirds at the Tristan archipelago and Gough Island is through night strikes, when petrels collide with a ship after being disorientated by its lights. Tristan fishery observers have kept records of night strikes on the MV Edinburgh since the 2010/2011 fishing season.
Glass, JP, Ryan, PG
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Recommendations on rock lobster TACs for the Tristan group of islands for the 2019/20 season
, 2019 OMPs have recently been accepted as the basis to recommend rock lobster TACs for all four islands of the Tristan da Cunha Group. The application of these OMPs using the most recent standardized CPUE data for input result in the following TACs. The OMP for Tristan recommends the TAC for 2019 at 120 MT (2018 TAC 120 MT).
Butterworth, Doug S, Johnston, Susan
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Recruitment of rock lobster on Vema Seamount from the islands of Tristan da Cunha
Deep-sea Research Part A, Oceanographic Research Papers, 1981J R E Lutjeharms
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Recommendations on rock lobster TACs for Tristan and nightingale islands for the 2018/19 season
, 2018 OMPs have recently been accepted as the basis to recommend TACs for Tristan and Nightingale islands. The application of the OMPs together with the most recent standardized CPUE data result in the following TACs: The OMP for Tristan sets the TAC for 2018 at 120 MT. (No change from 2017.) The OMP for Nightingale sets the TAC for 2018 at 83 MT.
Butterworth, Doug S, Johnston, Susan
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Recommendations on rock lobster TACs for the Tristan group of islands for the 2016/17 season
, 2016 OMPs have recently been accepted as the basis to recommend TACs for Tristan, Inaccessible and Gough islands. Given that for Inaccessible and Gough the recent catch rates continue to be above the associated OMP’s target catch rate, the OMPs indicate increases to the TACs for both islands for the 2016 season: Inaccessible: 77 MT to 81 MT Gough: 105 MT to
Butterworth, Doug S, Johnston, Susan J
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, 2020 Development of a revised OMP (OMP 2020) for the Tristan island rock lobster resource first leads to a recommendation to include the annual Edinburgh/GS CPUE and the biomass survey index as well as the Tristan powerboat CPUE index as inputs to the formula to provide an annual TAC recommendation.
Johnston, Susan, Butterworth, Doug
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Initial Results in the Development of a new OMP 2016 for Tristan da Cunha island rock lobster
, 2016 An OMP for setting the TAC for the rock lobster fishery at Tristan da Cunha island was developed and implemented in 2013 (Johnston and Butterworth 2013). The operating model (i.e. the underlying stock assessment model used to simulation test the candidate OMPs) at the time was fitted to GLM standardized CPUE for the period 1994-2012.
Johnston, Susan J, Butterworth, Doug S
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Diet of the Tristan rock lobster Jasus tristani following the 2011 soya spill at Nightingale Island
, 2017 The spiny lobster Jasus tristani inhabits the Tristan da Cunha Island archipelago in the South Atlantic Ocean 2,400km from the West coast of South Africa. It is commercially exploited across the archipelago and is the main economic source of income for the local government as it accounts for nearly 80% of the local gross domestic product.
Jones, Luke
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