Ecological Archives M081-009-A2

Feng Liu, David J. Mladenoff, Nicholas S. Keuler, Lisa Schulte Moore. 2011. Broadscale variability in tree data of the historical Public Land Survey and its consequences for ecological studies. Ecological Monographs 81:259–275.

Appendix B. Logistic regressions for major species.

TABLE B1. P values of the logistic regression models for major species. P < 0.05 indicates significant influence of the variable on that species. Spatial locations of townships were represented by columns “Township” and “Range”.

Species	Point type	Surveyor	Tree sequence	Location	Year	Township	Range
Aspen	0.0099	0.0001	0.1465	0.8823	0.0001	0.0001	0.0001
Beech	0.0001	0.0001	0.5613	0.0627	0.0001	0.0001	0.0001
Hemlock	0.0001	0.0001	0.065	0.0001	0.0001	0.0001	0.0001
Jack Pine	0.0001	0.0001	0.3453	0.0001	0.0001	0.0001	0.0001
Red Pine	0.0001	0.0001	0.0002	0.0001	0.0001	0.0001	0.0001
Sugar Maple	0.0001	0.0001	0.0053	0.0001	0.0001	0.0001	0.0001
Tamarack	0.0001	0.0001	0.0118	0.0001	0.0001	0.0001	0.0001
White Birch	0.0001	0.0001	0.0001	0.8886	0.0001	0.0001	0.0001
White Pine	0.0001	0.0001	0.0001	0.0001	0.0001	0.0001	0.0001
Yellow Birch	0.0001	0.0001	0.0001	0.0001	0.0001	0.0001	0.0001

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