Intertidal　vegetation　plays　an　essential　role　in　habitat　provision　for　waterbirds　but　suffers　great　losses　due　to　human　activities.　However,　it　is　challenging　in　tracking　the　human-driven　loss　and　degradation　of　intertidal　vegetation　due　to　rapid　urbanization　in　a　high　temporal　resolution.　In　this　study,　a　methodological　framework　based　on　full　Landsat　time-series　(FLTS)　is　proposed　to　detect　the　year　of　change　(YOC)　of　intertidal　vegetation　converted　to　impervious　surfaces　(ISs)　and　artificial　ponds　(APs),　and　the　condition　of　the　remaining　intertidal　vegetation　was　also　assessed　by　FLTS,　in　the　Fujian　province,　a　subtropical　coastal　area　lying　in　southeast　China.　The　accuracies　of　the　YOC　detection　of　intertidal　vegetation　converted　to　IS　and　AP　were　91.84%　and　72.73%,　with　mean　absolute　errors　of　0.26　and　1.06,　respectively.　The　total　areas　of　intertidal　vegetation　encroached　by　IS　and　AP　were　31.68　km(2)　and　23.85　km(2),　respectively.　Most　ISs　were　developed　later　than　2010,　and　most　APs　were　developed　earlier　than　2005,　which　are　highly　related　to　the　implementation　of　local　policies　for　economic　development.　The　remaining　intertidal　vegetation　in　growing,　stable,　and　degraded　conditions　were　43.05%,　56.38%,　and　0.57%,　respectively.　The　results　indicated　that　areas　of　intertidal　vegetation　were　reclaimed　for　anthropogenic　uses　at　a　considerable　rate,　although　the　intertidal　vegetation　still　increased　owing　to　natural　development　after　the　establishment　of　natural　reserves.　The　study　demonstrates　that　the　FLTS　has　capacities　in　monitoring　the　dynamics　in　coastal　zones　solely　for　its　dense　earth　observations.