Proceedings of the Second Natural History of the Gila Symposium, October 2008 / The New Mexico Botanist, Special Issue No. 2, October 2010 Felger and Kindscher / Trees of the Gila Forest Region 39 Trees of the Gila Forest Region, New Mexico Richard Felger Research Associate, San Diego Natural History Museum and Herbarium, University of Arizona, Tucson, AZ
[email protected] Kelly Kindscher Senior Scientist, Kansas Biological Survey, University of Kansas, Lawrence, KS to protect the forest is to know the trees areas, referred to here as the Gila Region (fig. 1). This region includes the proclaimed Gila National Forest (1,110,756 Abstract ha, or 2,744,664 acres); the proclaimed New Mexico por- tion of the Apache National Forest (261,294 ha, or 645,649 We present information on the flora, distribution, and ecol- acres), which is administered by the Gila National Forest; ogy of the trees of the Gila National Forest Region of New and adjacent nonforest areas such as the vicinity of Silver Mexico. We include their geographical affinities, abundances, City. The Gila and New Mexico Apache Forests extend adaptations to thrive in the region, and data on riparian continuously into the Apache-Sitgreaves National Forest of trees at 49 sites, each with three plots, along the Gila River. Arizona (853,996 ha, or 2,110,196 acres. National Forest The Gila Region is home to 67 tree species comprised of areas calculated from the U.S. Forest Service GIS boundary 17 conifers, 1 monocot, and 49 eudicot trees. Among these layers by Marc Levesque [personal communication, 2010]).