ReviewPublished 22 September 2026From nitrogen enrichment to ecosystem recovery: mechanisms driving forest ecosystem reorganization under changing nitrogen regimesXukun Dai · Hui Shi · Qian Liu · Zhenzhao Zhou · Changcheng Mu · Shichao Liu · Shenghan ShiFrontiers in Forests and Global Changedoi 10.3389/ffgc.2026.1967541