Professor of Agronomy, Massey University

Researcher, Centre for Applied Ecology, School of Agriculture, University of Lisbon

Biodiversity Research Institute IMIB (CSIC-University of Oviedo-Principado de Asturias) …

Nature Conservation Foundation, Mysore and The Snow Leopard Trust

School of Natural Resource Sciences, North Dakota State University

Grassland Science, University of Goettingen

KU

Professor of Plant Ecology, University of Jordan

Facultad de Ciencias Agrarias, Universidad Nacional de Mar del Plata