Identifying where Japanese agriculture is most at risk: A longitudinal analytical framework based on municipal boundaries as of 1950 for workforce decline and aging (2005–2020) - Kazuho Funakawa; Toshihiro Sakamoto; Kohei Imamura; Mizuki Morishita; Shoji Taniguchi; Nobusuke Iwasaki; Gen Sakurai (PLoS ONE, 2026)