Original ResearchPublished 9 September 2026Eco-stoichiometric characteristics of carbon, nitrogen, and phosphorus in leaves, litter, humus, and soil across different forest types in the karst region of Southwest ChinaYan Wu · Jiabao Cen · Xumeng Tan · Liya Shi · Xun Liu · Bo Ding · Guili DiFrontiers in Forests and Global Changedoi 10.3389/ffgc.2026.1882910