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Influencia de la invasión de Ligustrum lucidum (Oleaceae) sobre la comunidad de lianas en la sierra de San Javier (Tucumán – Argentina)

Journal Article

Ceballos SJ; Malizia A; Chacoff NP; Chacoff NP

2015

Ecología Austral

25

65-74

Native and invaded secondary forests are present in sierra de San Javier the latter dominated by Ligustrum lucidum which exerts an influence on native biodiversity. We analyzed the influence of the forest dominated by L. lucidum over liana communities compared to native secondary forests without dominance of exotic species. Forests were compared in abundance composition climbing mechanisms and distribution in size classes of liana stems. For this liana stems = 0.5 cm and the trees = 10 cm in diameter at height breast were measured identified and surveyed in 10 plots located in the yungas piedmont of sierra de San Javier. Native forests had four times more abundance and richness of liana stems than invaded forest of L. lucidum. Individual trees of L. lucidum hosted liana stems in very low abundance and in the forest dominated by this exotic species the liana hosts were mainly native trees. Besides the fact that they do not constitute suitable hosts for lianas they have an indirect influence through the exclusion of native host trees of lianas.

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Support

The Liana Ecology Project is supported by Marquette University and funded in part by the National Science Foundation.