from 1/50 000 to 1/20 000

Land occupancy of the department of Ain declined in 4 tram levels and under frames. This land use data carried out in partnership with CEN Rhône Alpes was formed in 2016 as part of a project wider inventory of eco-landscape continuity of interest departmental and local.安省（Ain）的土地占用状况在4个层级框架下呈下降趋势。本土地利用数据由与罗纳-阿尔卑斯自然研究中心（CEN Rhône Alpes）合作开展，于2016年编制完成，作为针对省级及地方级关注的生态景观连续性的更大规模调查项目的组成部分。