Fig. 1

Patterns of soil acidity and iodine deficiency in relation to the extant huemul distribution. a Soil acidity in southern South America, from the Atlas of the Biosphere, Univ. Wisconisn, www.sage.wisc.edu/atlas/index.php: data taken from IGBP-DIS Global Soils Dataset, 1998. b Distribution of primary iodine deficiency [28, 29]. c Current distribution of huemul subpopulations: each square represents a huemul group mostly within 8 × 8 km or less.