Fig. 1

Study site and experimental design. a. sea surface temperature (SST) for the broader Tasmanian region⁶⁸. b. surface Alk from a high resolution biogeochemical model²⁹ in the coastal ocean south-east of Tasmania (region in the black box in panel a). c. bathymetry of the study region⁶⁹ near Woodbridge Tasmania (red diamond). d. schematic representation of the field trial location overlaid on aerial photograph⁷⁰, associated sampling locations and parameters measured during the experiments. This figure was created using Python v3.9.23 (https://www.python.org/) and matplotlib v3.9.4 (https://matplotlib.org/).