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Table 2 Estimated establishment and successional rates (years) in the absence of disturbance.

From: Potential Effects of Disturbance Types and Environmental Variability on Sagebrush-Steppe Community Dynamics

 

Establishment

 

Years in community phase

 

Sagebrush group

Probability

Frequency

Early Seral

Mid Seral Open

Late Seral Open

Late Seral Closed

  

years

Warm-Moist

0.75

1.5

0 to 14

15 to 20

21 to 24

>25

Cool-Moist

0.62

2

0 to 18

19 to 25

26 to 30

>31

Warm-Dry

0.18

6

0 to 48

49 to 66

67 to 78

>78

Shallow-Dry

0.15

7

0 to 55

56 to 76

77 to 90

>91

  1. Note: Establishment parameters based on probabilities of certain climatological conditions in Oregon Climate Division 7. Years in each community phase based on establishment frequency and estimates of canopy closure derived from the literature.