Biodiversity 1 Birds 1 Cavity nester 1 Cavity nesters 1 Conservation 1 Ecosystems 1 Feeding guild 1 Feeding guilds 1 Forestry 1 Habitat structures 1 Habitat type 1 Landscape 1 Landscape context Management 1 Nesting guild 1 Numerical response 1 Species richness 1 Species richness and diversities 1 abundance 1 biodiversity 1 bird 1 forest cover 1 forest ecosystem 1 habitat structure 1 human activity 1 landscape ecology 1 relative abundance 1 species diversity 1 species richness 1