Résumé
We provide a data set on demography of trees monitored over 20 years inUppangala permanent sample plot (UPSP) in undisturbed, old-growth wet evergreenDipterocarp forest located within the Pushpagiri Wildlife Sanctuary in India’s Western Ghatsbiodiversity hotspot. During 1989–1990, all trees _30 cm girth at breast height (gbh) weresampled in five north–south transects 20 m wide and 180 to 370 m long covering a total area of3.12 ha. In 1992–1993, additional rectangular plots were established, bringing the total areasampled to 5.07 ha. In all, 3870 trees were identified, tagged, mapped, and provided withpermanent dendrometer bands. Since then, the sampled area has been regularly censused at 3–5 year intervals, recording tree recruitment, mortality, and growth. We present data fromcensuses conducted in 1990–1993, 1994, 1997–1998, 2001–2002, 2007, and 2010. These datahave been used to study the natural forest dynamics and to calibrate spatially explicitsimulation models.