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Alphonse Foundation Quarterly Update - April 2021 - Giant Trevally


MAPPING THE SPATIAL ECOLOGY AND POST-RELEASE BEHAVIOUR OF THE GIANT TREVALLY (CARANX IGNOBILIS) TO SUPPORT CONSERVATION MANAGEMENT DECISIONS

The flagship project bringing together academic expertise, fieldwork skills and incredible angling knowledge from all partners involved has officially been extended. The funds received will assist in extending the lifetime of the acoustic array (the receivers ‘listening’ to the movements of 75 tagged GTs) by another 12 months.

With preliminary findings from the project showing interesting trends, such as GTs may be far more site attached than previously imagined and a lot more habitat or prey specific, the extension is the logical step to ensure enough data is captured to give a clear picture of the GT behaviour particularly in response to seasonal variation in angling pressure.

Furthermore, the batteries for the receivers finally arrived after border delays so the first data download of 2021 can begin which is very exciting- a chance to see if the area closures of the St Francois fishery in 2020 had any impact on the movement and site utilisation of the GTs.


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