The Gazette is working with the Linn Landowner Forum to present a weekly series of columns about elements landowners should consider when replacing trees and plants lost in the Aug. 10 derecho. The series will focus on recovery, the importance of native plants and other topics. Fourth in a series.Many property owners in Linn County are seeing the light — literally.With trees and shrubs downed or damaged, properties are looking a lot sunnier these days.