Carrero-Rivera, Gloryvee

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Population ecology and reproductive behavior of the endangered Buxus vahlii Baillon (Buxaceae)
(2001) Carrero-Rivera, Gloryvee; Kolterman, Duane A.; College of Arts and Sciences - Sciences; Lewis, Allen; Silander, Susan; Department of Biology; González Lagoa, Juan G.
Buxus vahlii Baillon is an endangered plant species endemic to Puerto Rico and St. Croix (USVI). There are six known populations, four in Puerto Rico (Rincón, Isabela, two in Bayamón) and two in St. Croix (Frederiksted and Christiansted). The status of these populations was studied to provide information on the ecology of the species. The species showed the ability to adapt to different environmental conditions. Such adaptations include shrubby growth in dry areas where it grows as part of the understory (Rincón, Frederiksted and Christiansted) vs. an arborescent growth form in high precipitation areas (Isabela and Bayamón). Identified human impacts on the studied populations were: development (Frederiksted), illegal immigrants and fires (Rincón), and rock climbing and introduced species (Bayamón). The Isabela and Christiansted populations were not impacted due to their low accessibility. Actualization of the management plan is suggested to reverse the decline of this species and restore the populations.