Page 45

Live Deciduous T rees 30 +

P ER C E N T U S E

25

+

Available trees C avity trees

+

20 15

+

10

+

5

+

0 >25-30 >30-35 >35-40 >40-45 >45-50 >50-55 >55-60 >60-65 >65-70 >70-75

>75

D B H C LASS (cm)

Dead T rees 30

+

Available trees

P ER C E N T U SE

25

+

20

+

15 10

C avity trees

+ -

+

5

+

+

+

+

0 >25-30 >30-35 >35-40 >40-45 >45-50 >50-55 >55-60 >60-65 >65-70 >70-75

>75

D B H C LAS S (cm) Fig. 2.10. Pileated woodpecker cavity tree size (dbh class) compared to available trees for live deciduous trees and dead trees at Hinton, Alberta, 1993–98. The + symbol indicates use significantly greater than abundance and the – symbol indicates use significantly less than abundance, Bailey 95% confidence intervals.

35

Pwp 2001 04 rpt phdthesis pileatedwoodpeckerhabitatecologyinabfoothills  

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

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