Fig. 5

Movement numbers for all observed topshells per 30-min interval. Movements (black lines) and light intensity (grey lines) were measured in New Caledonia (a) and in Vanuatu (b)
Movement numbers for all observed topshells per 30-min interval. Movements (black lines) and light intensity (grey lines) were measured in New Caledonia (a) and in Vanuatu (b)