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Changes in liana abundance and species diversity eight years after liana cutting anid logging in an eastern Amazonian forest



Changes in liana abundance and species diversity eight years after liana cutting anid logging in an eastern Amazonian forest



Conservation Biology 16(2): 4-8



The effects of complete liana cutting followed by reduced-impact logging on liana abundance and species diversity were assessed. In addition to being characteristic of many tropical forests and possibly serving multiple ecosystem functions, lianas can also increase logging damage and slow tree growth. Liana cutting prior to logging mitigates these negative effects. There was a 55 percent reduction in the stem density of climbing lianas [greater or equal]1 cm diameter in size, 8 years after liana cutting and 6 years after logging. There was an [similar] 85 percent reduction in liana basal area, aboveground biomass, and leaf area index. The primary mode of liana recruitment was coppicing of cut stems. A 14 percent reduction in the number of liana species present in a 0.20-ha sample resulted from liana cutting and logging; however, a cumulative species-area curve suggested that this percentage might have been reduced if a larger area was sampled.

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Accession: 009788914

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