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Spread Of Common Native And Invasive Grasses And Ruderal Trees Following Anthropogenic Disturbances In A Tropical Dry Forest, Xavier A. Jaime, Skip J. Van Bloem, Frank H. Koch, Stacy A.C. Nelson
Spread Of Common Native And Invasive Grasses And Ruderal Trees Following Anthropogenic Disturbances In A Tropical Dry Forest, Xavier A. Jaime, Skip J. Van Bloem, Frank H. Koch, Stacy A.C. Nelson
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Introduction
A fundamental challenge to the integrity of tropical dry forest ecosystems is the invasion of non-native grass species. These grasses compete for resources and fuel anthropogenic wildfires. In 2012, a bulldozer from the Puerto Rico Electric Power Authority cleared a 570-m trail from a state road into a mature dry forest section of Guánica Forest to control a wildfire. We monitored colonization by a non-native invasive grass (Megathyrsus maximus), a highly invasive tree (Leucaena leucocephala), and a native grass (Uniola virgata), as well as natural regeneration, along the bulldozer trail. We determined whether …