I believe that there needs to be a seeding / enhancement programme along side closed seasons. If you have a skeleton biomass, then survival / recruitment of spat may only cover the die off for that year. They need to target beds that have being successfully enhanced in the past ...Goldenbay , out off Titarangi , not sure if Richmond or Kiutu were and yes okiwi, Tasman bay I'm hesitant about ..perhaps off the Glen in the sand at 60 - 80 ft /18-22 meters. In the Marine reserve at bark bay and off the Glen. But certainly not in the sludge in the middle of the bay. Out off Ruby bay and down by Adel Island where you have a settled firm bottom.This will give you a bio mass that is able to substain itself and increase due to the over all mass of spat being larger.
Hell even set up a give little page to fund it to gauge interest in seeing a programme like this undertaken. $1 for $1 with the government matching our commitment.
As an after thought, have the beds in these reserves ever being surveyed? There should be some sort of previous catch information for these areas and with them both being reserves for over 10 + years surely they would be an indicator of the actual situation weather it is fishing pressure or something else affecting the population.
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