Map of Study Area

The villages of our study area, St. Mary’s, Pilot Station, Kotlik, and Chevak, are located in the LYRB and the YK Delta region (Fig. 1). St. Mary’s and Pilot Station are riverine communities located along the Yukon River; Kotlik and Chevak are located along tributaries of the Yukon River in coastal areas. St. Mary’s, Pilot Station, and Kotlik are Yup’ik communities, whereas Chevak is a Cup’ik community whose residents speak the Cup’ik dialect of the central Yup’ik language and identify as a distinct population. According to the 2010 U.S. Census, the populations of St. Mary’s, Pilot Station, Kotlik, and Chevak are 507, 568, 577, and 938, respectively (U.S. Census Bureau 2010a).