Holocene Environmental Change at the Upper Forest Line in Northern Ecuador: Bakker et al. Citation Bakker, Johan, Marcela Moscol Olivera, and Henry Hooghiemstra. “Holocene Environmental Change at the Upper Forest Line in Northern Ecuador.” The Holocene 18, no. 6 (September 1, 2008): 877–93. Share this:EmailTwitterFacebookWhatsAppPrint Related