Affiliation: | 1. Center of Ecological Research, Polish Academy of Sciences, Dziekanów Le?ny, PL 05 092 ?omianki, Poland;2. Trojdena 11m 104, PL 02 109 Warszawa, Poland;3. Institute of Biotechnology and Environment Protection, University of Zielona Góra, Monte Cassino 21b, PL 65 562 Zielona Góra, Poland;4. Department of Ecology, Institute of Zoology, Warsaw University, Banacha 2, PL 02 097 Warszawa, Poland;5. Laboratory of Electronics, Faculty of Physics, Warsaw University, Pasteura 7, PL 02 093 Warszawa, Poland;6. Institute of Geophysics, Warsaw University, Pasteura 7, PL 02 093 Warszawa, Poland |