TY - RPRT TI - Effects of shade-coffee certification programs on bird, trees and butterfly diversity in Colombia AU - Gomez, J. P. AU - Ortiz, E. AU - Botero, J. E. PY - 2018 DO - 10.1101/251231 UR - https://www.biorxiv.org/content/10.1101/251231v1 ID - 10.1101/251231 ER -