MIGUEL ANGEL HERRERA MACHUCA2026-01-292026-01-29201410.1007/s11676-013-0419-92-s2.0-84899967009https://www.scopus.com/inward/record.uri?eid=2-s2.https://ucocris.uco.es/handle/123456789/25376ForestryFragmentation patterns and systematic transitions of the forested landscape in the upper Amazon region, Ecuador 1990-2008research article