▁research ▁programs ▁on ▁natural ▁resource ▁management ▁in ▁the ▁eastern , ▁southern ▁and ▁western ▁Amazon ▁bas in ▁foc using ▁on ▁the ▁e col ogy ▁of ▁natural ▁and ▁heavily ▁modified ▁land sc apes ▁and ▁their ▁role ▁in ▁the ▁ret ention ▁of ▁b iod iversity . ▁ ▁Biography ▁Per es ▁was ▁born ▁in ▁Bel ém , ▁Brazil , ▁and ▁was ▁exposed ▁to ▁Amazon ian ▁natural ▁history ▁from ▁early ▁child hood ▁on ▁his ▁father ' s ▁ran ch ▁in ▁eastern ▁Par á , ▁which ▁consisted ▁largely ▁of ▁primary ▁forest . ▁Since ▁ 1 9 8 2 ▁he ▁has ▁been ▁studying ▁wild life ▁community ▁e col ogy ▁in ▁Amazon ian ▁for ests , ▁the ▁bi ological ▁criteria ▁for ▁design ing ▁nature ▁res erves , ▁and ▁the ▁population ▁e col ogy ▁of ▁resource ▁management ▁within ▁and ▁outside ▁protected ▁areas . ▁He ▁currently ▁is ▁involved ▁in ▁four ▁conservation ▁e col ogy ▁research ▁programs ▁in ▁different ▁parts ▁of ▁Ama z onia . ▁He ▁has ▁published ▁over ▁ 3 5 0 ▁papers ▁on ▁ne otrop ical ▁forest ▁e col ogy ▁and ▁conservation ▁at ▁scales ▁r anging ▁from ▁single ▁populations ▁to ▁entire ▁regional ▁land sc apes . ▁Per es ▁was ▁the ▁co - editor ▁with ▁W . F . ▁Laur ance ▁of ▁the ▁ 2 0 0 6 ▁book ▁Emer ging ▁Th re ats ▁to ▁Trop ical ▁For ests . ▁He ▁currently ▁div ides ▁his ▁time ▁between ▁Nor wich , ▁A ar hus ▁and ▁field work ▁in ▁the ▁Brazil ian ▁Amazon . ▁ ▁Academ ic ▁posts ▁ ▁Post - do ctor al ▁fellow