Head of Dept.( retired) Centro de Investigacion Forestal .Xunta de Galicia

Federal Office for Agriculture, Bern, Switzerland

Full Professor, Universidad Politécnica de Cartagena

PhD Institute of Soil Science and Plant Cultivation-State Research Institute

University of Nottingham

JENA-GEOS®-Ingenieurbüro GmbH

Чорноморський національний університет ім. П.Могили

Dr. of Landscape Ecology

University of Debrecen, Department of Physical Geography and Geoinformatics

VUMOP, ISSAR