Professor in Water Resources Engineering, Pennsylvania State University

Assoc Prof, James Cook University

West Siberian Branch of VNSukachev Institute of Forest, SB RAS, Novosibirsk, Russia

Dr. rer nat.

Instituto Nacional de Pesquisas da Amazônia and University of Massachusetts

Associate Professor of Geography and Environmental Studies, Texas State University

Federal University of Amapá, Brazil

University of New England, Australia

The University of Texas Rio Grande Valley

Federal University of Mato Grosso