Propagules removal in fragments of native forest and in reforested areas in an Araucaria Forest region of Paraná State
DOI:
https://doi.org/10.5433/1679-0367.2011v32n1p29Keywords:
Araucaria, Conservation, Eucalyptus, Interaction, Pinus, Predation, Understory.Abstract
A question that has been discussed is the role that reforestations with exotic species in native fauna and several studies have shown that removal of propagules is lower in these environments. This study compared the removal rate of propagules (araucaria seeds, peanuts, corn) from areas of native forest (FN), reforestations of Pinus taeda L. (RP), Eucalyptus saligna Sm. (RE) and Araucaria angustifolia (Bertol) Kuntze (RA). In FN all propagules were removed. There was no difference in the removal of araucaria seeds between FN and RA, and removal rate in both areas differ from the removal rate in the RP and RE. In RP there was high removal of peanuts, while the RE showed the lowest value of removal of the three propagules. The low removal rates in reforestation of pine and eucalyptus reflect the decreased exploitation of these habitats for wildlife, which may be related to a poorly structured understory.
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