Table 2 Means and standard deviations (in parenthesis) for all distance measures by ecoregion.

From: Social media reveal ecoregional variation in how weather influences visitor behavior in U.S. National Park Service units

Ecoregion

Flickr n

Dist. to road (m)

Dist. to water (m)

Dist. to parking (m)

Dist. to building (m)

Warm deserts

25,784

83.9 (279.6)

3697.9 (9165.7)

1181.9 (4547.2)

462.9 (1131.6)

Southern semi-arid highlands

1258

26.0 (66.2)

355.4 (587.0)

347.0 (944.7)

402.7 (828.2)

Tropical wet forests

2157

120.4 (401.7)

319.9 (643.9)

666.4 (1216.9)

452.0 (1134.9)

Southeastern USA plains

1391

9.3 (17.2)

145.5 (268.7)

552.3 (1331.9)

174.2 (447.1)

Temperate Sierras

797

165.2 (287.4)

5829.1 (2924.4)

626.9 (1557.0)

612.4 (1586.6)

Mississippi alluvial and southeast USA coastal plains

18,337

161.7 (787.5)

73.1 (108.7)

594.2 (1377.0)

102.2 (222.1)

Cold deserts

86,804

72.3 (351.4)

941.8 (1918.5)

549.2 (1465.6)

574.0 (1201.2)

Ozark, Ouachita-Appalachian forests

17,830

17.3 (32.5)

213.6 (352.8)

505.5 (1329.1)

197.2 (537.2)

Great plains

24,901

9.3 (95.9)

881.6 (1975.9)

309.2 (3307.9)

262.2 (793.2)

Mixed wood plains

14,228

57.6 (348.0)

87.1 (128.3)

430.0 (2109.3)

265.2 (679.5)

Northern forest

6035

77.0 (425.1)

56.5 (92.1)

752.1 (1431.1)

599.9 (1530.6)

Northwest forested mountains

209,173

72.2 (258.5)

119.9 (213.4)

417.6 (1078.5)

297.9 (546.6)

Mediterranean California

76,508

25.9 (110.3)

80.5 (164.7)

100.6 (252.2)

548.1 (847.9)

Marine west coast forest

3858

15.1 (20.8)

222.3 (262.8)

259.9 (412.8)

497.4 (543.2)

  1. Values represent data from May to September.
  2. We did not use road or parking data for three units (Channel Islands, Isle Royale, and Apostle Islands) because these parks are islands that do not have publicly accessible roads or parking.