Hi Jacob:

Along the lines of Manuel's suggestion, here is a literature citation  
on adaptive cluster sampling in an application involving freshwater  
mussels that might interest you.

Smith et al. (2003), "Application of adaptive cluster sampling to low- 
density populations of freshwater mussels," Environmental and  
Ecological Statistics, 10, 7 - 15.

Good luck,

-- Phil

Philip Turk
Assistant Professor of Statistics
Department of Statistics
410 Hodges Hall, PO Box 6330
West Virginia University
Morgantown, WV 26506
Phone: 304-293-3607 x1058
Fax: 304-293-2272
E-mail: pturk@stat.wvu.edu
URL: http://www.stat.wvu.edu/Faculty/pturk.html




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