The Maryland Amphibian and Reptile Atlas: A Volunteer-Based Distributional Survey

Table 2

Species observed and person-hours of effort for blocks and quads.

Assessment	Count (quads/blocks)	Mean	Minimum	Maximum	SD
Species reported per quad	232	20.34	1	48.00	10.44
Species reported per block	1301	8.27	0	43.00	7.82
Person-hours per quad	246	51.51	0	649.00	79.55
Person-hours per block	1301	9.74	0	522.50	24.41