The birds of Pasvik / E. I. Khlebosolov, O. A. Makarova, O. A. Khlebosolova [et al. ; English transl. Nikita Chernetsov]. - Ryazan : Golosgubernii, 2007. - 175 с. : ил., портр.
S.L. Eliseev ЕЛ. Khlebosolov The Yellow Wagtail is an intra- Yellow Wagtails prefer flat grassy parts of wetlands and lake- zonal species broadly represent- side depressions, ed in boreal ecosystems. Analysis o f spatial distribution o f Yellow Wagtails shows that when feeding, the birds occur relatively flat hummock-free areas (the degree o f unevenness o f the peat is on average 4 cm) covered with sedge, on average 4 cm high and with 18% densi ty (Fig. 3.26). Figure 3.25. Map o f breeding territories o f Yellow Wagtails (A) and Meadow Pipits (B) in the wetland at Janiskoski study plot. 1 - f o r e s t; 2 - bog; 3 —stream; 4 —open water. 145
Made with FlippingBook
RkJQdWJsaXNoZXIy MTUzNzYz