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Evaluating The Effects Of Landscape Configuration On Site Occupancy And Movement Dynamics Of Odonates In Iowa, Tyler Harms, Karen Kinkhead, Stephen Dinsmore
Evaluating The Effects Of Landscape Configuration On Site Occupancy And Movement Dynamics Of Odonates In Iowa, Tyler Harms, Karen Kinkhead, Stephen Dinsmore
Tyler Harms
Odonates contribute highly to global biodiversity and are considered good indicators of environmental quality, but they are under-studied and quantitative information on their habitat associations is lacking. Our objective was to examine the effects of landscape configuration on site occupancy and movement dynamics of four odonate species in Iowa: Tramea onusta, Epitheca princeps, Pantala flavescens, and Calopteryx maculata. We conducted standardized visual encounter surveys for odonates at 233 public properties in Iowa from 2007 to 2011 and computed landscape variables within a 200, 600 m, and 1 km radius of each surveyed site. Using a robust design occupancy model in …