Proceedings of the Latvian Academy of Sciences. Section B. Natural, Exact, and Applied Sciences.

Editor-in-Chief
Isaak Rashal (Īzaks Rašals), University of Latvia, Latvia

Managing Editor
Antra Legzdiņa, Latvia

Editorial Board
Elmārs Blūms, University of Latvia, Latvia
Roland von Bothmer, Swedish University of Agricultural Sciences, Sweden
Guntis Brūmelis, University of Latvia, Latvia
Jurijs Dehtjars, Rīga Technical University, Latvia
Nikolay P. Goncharov, Russian Academy of Sciences, Russia
Aldis Kārkliņš, Latvia University of Agriculture, Latvia
Alexander V. Kilchevsky, National Academy of Sciences of Belarus, Belarus
Māris Kļaviņš, University of Latvia, Latvia
Vija Kluša, University of Latvia, Latvia
Victor A. Kunakh, National Academy of Sciences of Ukraine, Ukraine
Renāte Ligere, University of Latvia, Latvia
Svetlana A. Limborska, Russian Academy of Sciences, Russia
Modra Murovska, Rīga Stradiņš University, Latvia
Ingrīda Rumba-Rozenfelde, University of Latvia, Latvia
Rajbir Sangwan, University of Picardie Jules Verne, France
Raimonds Valters, Latvian Academy of Sciences, Latvia

Language Editor
Guntis Brūmelis, University of Latvia, Latvia

Technical Editor
Elmārs Lange, Latvia

Contacts
Editorial office (head Antra Legzdiņa)
Akadēmijas laukums 1
Rīga, LV-1524
Latvia
Tel.: +371 28814129
E-mail: proceed@lza.lv

Editorial board (head Isaak Rashal)
Institute of Biology, University of Latvia
Miera Str. 3, Salaspils, LV-2169
Latvia
Tel.: +371 29516935
E-mail: izaks.rasals@lu.lv

Publisher
De Gruyter Poland
Bogumiła Zuga 32A Str.
01-811 Warsaw, Poland