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Providing evidence to improve practice

Individual study: Effect of artificial addition of snags and nest boxes on the diversity and abundance of breeding bird species in young pine plantations near Gainesville, Florida, USA

Published source details

Caine L.A. & Marion W.R. (1991) Artificial addition of snags and nest boxes to slash pine plantations. Journal of Field Ornithology, 62, 97-106

This study is summarised as evidence for the intervention(s) shown on the right. The icon shows which synopsis it is relevant to.

Provide artificial nesting sites for songbirds Bird Conservation

A replicated, controlled, paired sites study in 1985-6 in slash pine Pinus elliotti plantations in Florida, USA (Caine & Marion 1991), found that bird species richness and abundance were significantly higher on three sites with snags and nest boxes installed, compared to control plots without them (6.8 species and 9.5 pairs of birds on experimental plots vs. 3.5 species and 4.5 pairs on control plots). Eastern bluebirds Sialia sialis and great crested flycatchers Myiarchus crinitus were both significantly more abundant on experimental plots, with flycatchers using more small boxes (15 x 15 x 20 cm, nine boxes used) than large (25 x 25 x 50 cm, three used). Sixteen snags (8 m tall pine trunks) were erected evenly across plots, each with a small or large nest box attached.