Factors influencing the distribution and abundance of endemic pigeons on São Tomé Island (Gulf of Guinea)

摘要: Understanding the factors that determine habitat use and abundance of exploited species is essential to develop effective conservation strategies. We studied four forest pigeons on Sao Tome Island assess species’ distribution patterns. determined ecological likely be associated with each habitats numbers, as well influence hunting pressure. In total, 35 km line transects were surveyed in rainy season at start dry season. Pigeons differed their habitats; there also strong seasonality effects. The most abundant was Lemon Dove Columba simplex , only non-hunted species. Green Pigeon Treron sanctithomae Maroon thomensis less had more restricted ranges. Both strongly old-growth forests. contrast, Bronze-naped malherbii relatively widespread; this favours human-altered such shade forests non-forested areas. Fruit availability measured within different linked three hunted Potential human predation pressure all from signs found along transects. There a significant negative correlation between two Our results indicate importance adequately protecting secondary core for survival viable populations pigeon island. However, control crucial.