The Chaco biome is the second largest in area in South America, with a biodiversity only slightly inferior to that of tropical forest, but because of the range and intensity of human impacts it is considered one of the world’s critically endangered ecoregions. Although there are a small number of “paper reserves”, there is almost no area of Chaco in Argentina with effective biodiversity conservation on the ground. This paper describes a locally-based ecological reserve, “La Reserva Lagunas y Palmares”, near the community of La Gallareta, which features extensive monospecific stands of a palm, Copernicia alba. Results presented here show that palm distribution is significantly related to both flooding and fire regimes, which must be incorporated into management and development plans if the reserve’s distinctive characteristics are to be preserved.
|Keywords:||Argentina, Chaco, Copernicia alba, Intermediate Disturbance Hypothesis, Dispersal-assembly, Disturbance-dominated Ecosystem, Fire, Flooding, Landscape Dynamics, Palm Forest, Palmera, La Gallareta|
Universidad Nacional de Rosario, Argentina
Brock University, Canada
Centro de Investigaciones en Biodiversidad y Ambiente (ECOSUR), Argentina
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