Most of the land on the grid is on " The Mainland . " This is essentially a giant estate ( in several discontiguous pieces ) administered by " Governor Linden " ( a persona shared by several Linden Lab managers . ) The " tier " for an entire mainland sim is $ 195 / month ( with no discount for non-profits .)
42.
Frank W . Preston, an early investigator of the theory of the species area relationship, divided it into two types : samples ( a census of a contiguous habitat that grows in census area, also called " mainland " species area relationships ), and isolates ( a census of discontiguous habitats, such as islands, also called " island " species area relationships ).
