 The New South Wales Parks and Wildlife Service has divided New South Wales into 17 distinct bioregions . <unk> are quite large areas of land that capture a geophysical pattern which is linked to fauna and flora ecosystems . The Riverina bioregion is an area of land that comprises part of the larger Riverina area but also extends into Victoria . It has been defined by the New South Wales Parks and Wildlife Service as extending from Ivanhoe in the Murray Darling Depression <unk> south to Bendigo , and from Narrandera in the east to Balranald in the west . 74 @.@ 03 % of the bioregion is in New South Wales , the remainder in Victoria . 
