Nevertheless, in the 1970s, island biogeography began to be viewed as a model for biological reserves which, by being surrounded by anthropogenically transformed lands, were supposed to be similar to islands—see the entry on conservation biology. The initially prevalent view, based on island biogeography theory, was that reserves should be as large as possible.[66] In particular, one conclusion drawn from island biogeography theory was that “[i]n cases where one large area is infeasible, it