Premise: The Arboretum Curie, also known as the Arboretum du Col des Trois Soeurs, is a small arboretum located at 1470 metres altitude in the Col des Trois Soeurs near La Panouse, Lozère, Languedoc-Roussillon, France. It was created circa 1975 to study conifers suitable for reforestation, and according to Arbez et al., now contains 77 taxa (primarily conifers).
Hypothesis: Conifers are the main staple of the Arboretum and are the reason for which it was built.