Ecological Archives E086-057-A2

Thomas C. Edwards, Jr., D. Richard Cutler, Niklaus E. Zimmerman, Linda Geiser, and Jim Alegria. 2005. Model-based stratifications for enhancing the detection of rare ecological events. Ecology 86:1081–1090.

Appendix B (Table B1). The expected number of detections based on model-assisted sampling for Pseudocyphellaria rainierensis and Nephroma laevigatum from classification tree model of Lobaria pilmonaria.

 

No. of sites in PILOT

No. of detections in PILOT data set

 

No. of sites proposed

No. of expected detections

   

Pseudocyphellaria rainierensis

Nephroma laevigatum

   

Pseudocyphellaria rainierensis

Nephroma laevigatum

0.0 – 0.2

210

0

11

 

12

0.0

0.6

0.2 – 0.4

22

0

0

 

36

0.0

0.0

0.4 – 0.6

14

0

1

 

60

0.0

4.3

0.6 – 0.8

13

1

0

 

84

6.5

0.0

0.8 – 1.0

41

1

7

 

108

2.6

18.4

Total

300

2

19

 

300

9.1

23.3

   Note: See Table A1 for an explanation of deriving the expected number of detections.



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