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Table 1 Madrean Ecoregion Sky Islands, US and Mexico, size and elevation characteristics, sorted by country then area (km2). Elevation values were derived from Shuttle Radar Topography Mission (STRM) 30 meter Digital Elevation Model (Farr et al. 2007). Mapped locations of each Sky Island can be found in Fig. 1

From: Distant neighbors: recent wildfire patterns of the Madrean Sky Islands of southwestern United States and northwestern Mexico

Sky Island Country Area (km2) Perimeter (km) Minimum elevation (m) Maximum elevation (m) Mean elevation (m) Median elevation (m)
Chiricahua USA 1802 522 1202 2988 1802 1751
Galiuro USA 1663 247 726 2321 1390 1359
Huachuca-Patagonia USA 1194 292 1141 2878 1636 1605
Santa Teresa USA 1060 173 839 2483 1396 1356
Rincon USA 971 194 834 2641 1372 1295
Pinaleno USA 920 189 998 3267 1767 1656
Santa Rita USA 895 174 1018 2855 1473 1425
Santa Catalina USA 853 138 778 2792 1498 1422
Peloncillo USA 685 616 1014 1978 1406 1400
Baboquivari USA 609 357 860 2255 1267 1235
Animas USA 599 316 1404 2603 1720 1695
Mule USA 369 170 1324 2241 1641 1610
Whetstone USA 232 131 1306 2339 1662 1621
Perilla USA 212 252 1185 1923 1447 1428
Big Hatchet USA 169 66 1315 2540 1620 1585
Sierrita USA 164 102 793 1886 1360 1322
Swisshelm USA 147 69 1359 2184 1591 1570
Los Ajos-La Madera Mexico 5588 935 542 2621 1308 1304
El Tigre Mexico 3591 437 417 2447 1266 1243
Peloncillo-Pan Duro Mexico 3523 788 894 2522 1638 1644
El Carmen-Verde Mexico 2955 412 499 1996 1098 1081
Atascosa-Cibuta Mexico 2689 527 745 2073 1206 1206
Aconchi Mexico 2477 331 441 2185 1024 996
San Antonio-Azul Mexico 2355 298 778 2452 1339 1318
El Gato Mexico 1361 304 669 2428 1408 1378
El Pinito Mexico 1038 171 889 2220 1378 1338
La Madera-Cucurpe Mexico 883 318 781 2042 1160 1126
La Huerta Mexico 573 122 485 1784 893 873
Mariquita-Elenita Mexico 368 83 1267 2495 1628 1577