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 C (Table C1). The expected number of detections based on model-assisted sampling for Nephroma occultum and Nephroma parile from classification tree model of Pseudocyphellaria anomala.

	No. of sites in PILOT	No. of detections in PILOT data set			No. of sites proposed	No. of expected detections
		Nephroma occultum	Nephroma parile			Nephroma occultum	Nephroma parile
0.0 – 0.2	228	0	2		12	0.0	0.1
0.2 – 0.4	11	0	0		36	0.0	0.0
0.4 – 0.6	36	0	2		60	0.0	3.3
0.6 – 0.8	3	0	0		84	0.0	0.0
0.8 – 1.0	22	1	3		108	4.9	14.7
Total	300	1	7		300	4.9	18.1

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