• Location: Barro Colorado Island in Lake Gatun in the Panama canal, Panama | |
• Coordinates: 09°09′ N, 79°51′ W | |
• Principal investigators: Richard Condit, Stephen Hubbell and Robin Foster | |
• Plot size: 50 ha (1000 m × 500 m), divided in 1250 (20 m × 20 m) quadrats | |
• Average precipitation: 2581 mm·yr− 1 | |
• Average temperature: 27 °C | |
• 120–160 m above sea level | |
• 8 surveys conducted in 1982+, 1985, 1990, 1995, 2000, 2005, 2010, 2015 | |
• Number of tree species in the 8 censuses combined: 325 | |
• 207719 tree stems ≥1 cm DBH1 in the 2015 survey; 297 species | |
• In the 1985 census, | |
➢ Mean number of species per 20 m × 20 m quadrat: 53.5 | |
➢ Range of values of number of species per 20 m × 20 m quadrat: [20, 84] |