Blacketts Lake, Gillis Lake and the Lower Sydney River were estimated to contain 0.564 km2, 0.145 km2 and, 1.81 km2 of usable habitat respectively. ###>Nous avons estimé que le lac Blacketts, le lac Gillis et la basse Sydney contenaient respectivement 0,564 km2, 0,145 km2 et 1,81 km2 d'habitat utilisable.