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Long term effects of electrical right-of-way vegetation management on floral and faunal communities
For over 65 years, academic researchers in partnership with electric transmission and vegetation managers have been studying the effects of rights-of-way treatments on wildlife communities at State Game Lands 33 in Centre County, Pennsylvania. Recently, these studies have expanded to examine the effects of vegetation management on pollinators and ground beetles—both bioindicators of environmental condition. Preliminary findings indicate that pollinators, in particular native bees, are compatible with selective application of herbicides. However, abundance of pollinators declines at high volume, non-selective herbicide applications. Mechanical treatments (mowing, handcutting) support the lowest abundance of pollinators. Ground beetles, on the other hand, were most abundant on handcutting sites but least abundant on mowing sites—indicating that it may be vegetation structure rather than herbicide application that affects ground beetle abundance.

Sep 14, 2021 12:00 PM in Central Time (US and Canada)

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