Distribution, natural history, and conservation of Cambarus dubius in Pennsylvania Author Allison, Patrick F. Author Lieb, David A. Author Loughman, Zachary J. text Journal of Natural History 2022 2022-08-18 56 13 - 16 829 848 http://dx.doi.org/10.1080/00222933.2022.2069056 journal article 127382 10.1080/00222933.2022.2069056 d3937bd3-e349-449d-b6a6-eb3955bda55b 1464-5262 7012082

Table 3. Comparisons of mean land-cover habitat variables between sites with Cambarus dubius or burrowing crayfishes present vs absent. P values <0.0024 were significant (shown in bold).

	Cambarus dubius		All burrowers
Variable	P value	t statistic	P value	t statistic
Open water	0.3773	−2.7007	0.7505	0.1972
Developed – open	0.2862	−1.0441	0.3778	−0.8611
Developed – low	0.0095	−5.0060	0.0204	−2.7289
Developed – medium	0.1599	−3.3150	0.0484	−2.6557
Developed – high	0.4493	−2.1720	0.2378	−1.7744
Barren land	0.6124	−1.6434	0.0332	−2.6543
Deciduous forest	<0.0001	4.8632	<0.0001	4.8000
Evergreen forest	0.7996	0.1409	0.8406	−0.2843
Mixed forest	0.7948	0.2163	0.7091	−0.3665
Shrub-scrub	0.3444	−2.7200	0.8829	0.1071
Grassland-herbaceous	0.1685	−3.1471	0.0389	−2.6376
Pasture-hay	0.0004	−5.7624	0.0016	−3.6539
Cultivated crop	0.0043	−5.6179	0.0112	−3.1719
Woody wetland	0.1289	0.9926	0.0219	1.7851
Emergent herbaceous wetland	0.6783	0.3347	0.5857	−0.7288