/Editorial/ Liliana Pedraja-Rejas CHALLENGES TO PUBLIC MANAGEMENT IN THE KNOWLEDGE SOCIETY 146 /Articles/ Luz A. Delgado M., Silvia Matteucci, Miguel Acevedo, Carol Valeri, Rafael Blanca y Jeserlis Márquez DIRECT CAUSES INDUCING LAND USAGE AND FOREST COVER CHANGES, AT LANDSCAPE SCALE,IN SOUTHERN VENEZUELA (in Spanish) 148 Emilio Ramírez-Juidías y Jesús Yanes-Figueroa ENVIRONMENTAL STUDY OF THE MUNICIPALITY […]