RT Journal Article SR Electronic T1 Breeding-Bird Population Changes Following Right-of-Way Maintenance Treatments JF Arboriculture & Urban Forestry (AUF) JO JOA FD International Society of Arboriculture SP 23 OP 32 DO 10.48044/jauf.1992.006 VO 18 IS 1 A1 W.C. Bramble A1 R.H. Yahner A1 W. R. Byrnes YR 1992 UL http://auf.isa-arbor.com/content/18/1/23.abstract AB The effects of herbicide and mechanical vegetation maintenance treatments on breeding-bird populations were compared on electric transmission rights-of-way (ROW) in the Allegheny Mountain and Piedmont Physiographic Provinces in Pennsylvania (hereafter termed the Allegheny ROW and the Piedmont ROW, respectively). Bird density decreased from pre-treatment (June) to post-treatment (August) in 1987 on handcut and mowed plus herbicide-treated ROW areas on both the Allegheny and Piedmont ROW; whereas, bird density increased on basal-, stem-foliage-, and foliage-sprayed ROW from pre-to post-treatment. A decrease occurred on the mowed ROW areas only on the Piedmont ROW. Retention of shrubby borders by selective treatment was a major factor in retaining the pre-treatment bird populations in the post-treatment period.