The experiment was left in the field for 14 days, during which time
the blocks were visually inspected often. Any material fouling the
cages was removed and any mesh needing repair was secured with
cable ties. The temperature of the air and the sediment inside and outside
the cages was recorded in each block of each experiment during
one day-time low tide using a digital probe thermometer inserted approximately
5 cm into the sediment or dangled from the mesh of a cage.