The term shall in any case include pr
operty accessory to immovable property, livestock and equipment used in agricu
lture and forestry, rights to which the provisions of general law respecting landed
property apply, usufruct of immovable
property and rights to variable or fixed payments as considered for the working of, or the right to work, mineral deposits, sources and other natural resources; ships and aircraft shall not be regarded as immovable
property ...[+++].