XVIII
Contributors
A. Martinez-Arroyo
Centro de Ciencias de la Atmosfera, Universidad Nacional
Autonoma de Mexico, CP 04510 Mexico DF, Mexico
J .E. Merrill
Department of Microbiology, 178 Giltner Hall, Michigan State
University, East Lansing, MI 48824, USA
I.M. Munda
Centre for Scientific Research, Slovene Academy of Science
and Arts, 6100 Ljubljana, Slovenia
F.X. Niell
Department of Ecology, University of Malaga, Campus
de Teatinos, 29071 Malaga, Spain
P.H. Nienhuis
Department of Environmental Studies, University of Nijmegen,
P.O. Box 9010,6500 GL Nijmegen, The Netherlands
and Netherlands Institute of Ecology, Centre for Limnology,
Rijksstraatweg 6,3631 AC Nieuwersluis, The Netherlands
J.C. Oliveira
Portuguese Institute of Marine Research, A v. Brasilia,
1400 Lisboa, Portugal
M. Perez
Department of Ecology, University of Barcelona, Diagonal 645,
08028 Barcelona, Spain
J.1. Perez-Llorens
Department of Ecology, University of Cadiz, Cadiz, Spain
C.J.M. Philipp art
Institute of Forestry and Nature Research, P.O. Box 165,
1790 AD Den Burg, The Netherlands