Supplementary Information for "Increasing bird diversity in a landscape in transition"

Supplementary Information Additional materials supporting this study are organized into seven thematic resources: Online Resource 1 – Socioeconomic and disturbance time series for the Côa River Basin, 1940–2025 (Fig. S1) Online Resource 2 – Land-use transition diagram based on COS 1995–2018 land-use (Fig. S2) Online Resource 3 – Baseline occurrence data and presence–absence matrices for T1 and T2 (Tables S1–S2) Online Resource 4 – Functional guilds and ecological traits for bird species (Table S3) Online Resource 5 – Species occurrence change categories and ecological classifications (Table S4) Online Resource 6 – Rarefaction and extrapolation curves based on Hill numbers q = 0, q = 1 and q = 2 (Fig. S3) Online Resource 7 – Generalized linear model with quasibinomial error distribution describing the relationship between species relative abundance in T1 and T2 (Fig. S4)