Problems of nature protection and peatland management in the valley of the Biebrza River
1986
Dyrcz, A. (Wroclaw University, Wroclaw (Poland). Dept. of Avian Ecology) | Kozikowska, Z. | Palczynski, A. | Raczynski, J. | Witkowski, J.
hThe peatlands of the Biebrza River rank among the world most valuable ones due to the following factors: occurrence of natural peatland ecosystems; well-developed transversal and longitudinal ecological zones; occurrence of peat forming associations typical for fens, also of boreal nature; numerous occurrence of rare plant species along with glacial relics; an abundant and valuable ornithofauna; occurrence of rare mammal species such as elk (Alces alces L.), beaver (Castor fiber L.), wolf (Lupus lupus L.), otter (Lutra lustra L.); high abundance of fish and lampreys and their nutritive fa
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