Page 36

PR OP OR TION

50

A vailable habitat S um m er us e

40 +

30 20

+

W inter use

+

+

-

-

10 -

-

0 Non-fore st De ciduous

M ix e d

Upla nd spruce

Low la nd spruce

P ine

FOR ES T TYPE 50

P R OPOR TION

+

+

+

A vailable habitat S um m er us e

40

W inter use 30 20 -

10 0 Young

P ole

M a ture

Old

SE R AL S TAGE

Fig. 2.1. Territory scale forest type and seral stage availability compared to pileated woodpecker use in summer and winter at Hinton, Alberta, 1993–96. The + symbol indicates use significantly greater than abundance and the – symbol indicates use significantly less than abundance, Bailey 95% confidence intervals.

26

Pwp 2001 04 rpt phdthesis pileatedwoodpeckerhabitatecologyinabfoothills  

http://foothillsri.ca/sites/default/files/null/PWP_2001_04_Rpt_PhDThesis_PileatedWoodpeckerHabitatEcologyinABFoothills.pdf