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Table 5--The relationships of amphibians to physiographic features and other habitat elements. Data are summarized from species accounts presented in Wilson (1995)

eys to Matrix Symbols S Suitable Habitat M Marginal Habitat O Optimal Habitat B Breeding Habitat N/A Not Applicable W Winter Only X Requires Substrate Habitat element	Salamanders		Frogs and toads
	No.	%	No.	%
Physiographic feature
Sandhills	3	3	8	20
Flatwoods	12	13	12	30
Narrow stream margins	29	32	3	8
Broad stream margins	22	24	20	50
Swamps	16	17	17	43
Cypress strands	10	11	5	13
Cypress ponds	14	15	12	30
Cypress drains	13	14	9	23
Willow heads	11	12	9	23
Bays and pocosins	15	16	14	35
Rivers and streams	34	37	9	23
Permanent ponds	8	9	20	50
Vernal ponds	16	17	27	68
Lakes	9	15	13	33
Specific requirement
Closed canopy	76	83	11	28
Open canopy	12	13	32	80
Shrub thickets	0	0	8	20
Moist soil	69	75	25	63
Sandy or friable soils	5	5	18	45
Leaf litter	75	82	22	55
Snags	0	0	2	5
Fallen logs	70	76	5	13
Rock outcrops	8	9	1	3
Crevices and/or caves	11	12	0	0
Seepages	23	25	12	30
Potholes	12	13	22	55
Aquatic rocks and/or logs	30	33	0	0
Aquatic vegetation	10	11	26	65

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