Maps, aerial photos or documents from authorities or authorised providers show that since 1 January 2014 no part of the farm within its boundaries that legal protection or other effective means protect from conversion (national or local protected areas, IUCN categories, areas protected by other effective means) has been converted into agricultural area or other uses.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.