Characterisation of white and blue warehou fisheries

Trophia has been contracted by the New Zealand Ministry of Fisheries (MFish) to review the status of the major blue warehou (Seriolella brama) and white warehou (Seriolella caerulea) fishstocks. The specific objectives for this project include: 1. To characterise the blue warehou fisheries by analysis of existing commercial catch and effort data up to 2002/03, and review the data from research trawl surveys and Observer logbooks to determine any trends in size… Read More

Adaptive Management Programme proposals and monitoring

Trophia is contracted for a second year by the New Zealand Seafood Industry Council (SeaFIC) to assist with analyses required under the the adaptive Management Programme. The adaptive Management Programme (AMP) was introduced in 1991 by the NZ Ministry of Fisheries (MFish) as a basis for varying the levels of Total Allowable Commercial Catch (TACC) of fishstocks for which there is limited information on stock size. New proposals include a descriptive analysis… Read More

Fine scale reporting of catch effort information

Trophia was contracted by the New Zealand Ministry of Fisheries MFish, to consult and report on options for improving the spatial resolution in catch and effort data from New Zeland fisheries. The demand for more spatial resolution in fisheries catch-effort data comes from managers, scientists and compliance officers and is driven largely by the movement towards managing fisheries at a finer spatial scale. Several options exist for improving the spatial resolution of… Read More

Fishery Characterisations and CPUE analyses in support of the NZ Adaptive Management Programme

Trophia was contracted by the New Zealand Seafood Industry Council (SeaFIC) to assist with analyses required under the the adaptive Management Programme. The adaptive Management Programme (AMP) was introduced in 1991 by the NZ Ministry of Fisheries (MFish) as a basis for varying the levels of Total Allowable Commercial Catch (TACC) of fishstocks for which there is limited information on stock size. New proposals include a descriptive analysis of current knowledge and… Read More

Characterisation of the red gurnard fisheries in GUR 2

Trophia was contracted by the New Zealand Ministry of Fisheries (MFish) to characterise the red gurnard ( Chelidonichthys kumu ) fishery in GUR 2 and those of associated species taken by the Area 2 inshore trawl fishery by analysis of existing commercial catch and effort data and data from other sources; and make recommendations on appropriate methods to monitor or assess the status of individual Fishstocks or groups of species combined This… Read More