Biodiversity in tropical plantations is influenced by surrounding native vegetation but not yield : A case study with dung beetles in Amazonia

Beiroz, W. and Barlow, J. and Slade, E.M. and Borges, C. and Louzada, J. and Sayer, E.J. (2019) Biodiversity in tropical plantations is influenced by surrounding native vegetation but not yield : A case study with dung beetles in Amazonia. Forest Ecology and Management, 444. pp. 107-114. ISSN 0378-1127

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Human-modified forests, including plantations and managed forest, will be a major component of tropical landscapes in the near future. To conserve biodiversity across modified tropical landscapes we must first understand what influences diversity in planted areas. We studied dung beetle communities in Eucalyptus plantations to assess the influence of local (canopy openness and soil texture)and landscape factors (surrounding native forest cover)on taxonomic and functional diversity, and to determine whether biodiversity in plantations is affected by timber production. Dung beetle community composition in Eucalyptus plantations was largely explained by the surrounding native forest cover, as Simpson's diversity and functional diversity (Rao's quadratic entropy)increased with the extent of native forest in buffer areas. However, the abundance of dung beetle species associated with native forest was not explained by any of the explanatory variables. The coarse sand content of the soil explained much of the functional similarity between plantations and native forests, as well as variation in dung beetle community structure. The total abundance of dung beetles in plantations increased with coarse sand content, whereas body mass declined, and dung beetle abundance and functional originality decreased with canopy openness. Timber production intensity did not explain the variation in any of the measured diversity parameters. If enhancing biodiversity in plantations is a management goal, then these results highlight the importance of restoring or retaining native forest areas in modified landscapes. They also suggest that integrated management could improve biodiversity in Eucalyptus plantations without reducing timber production. © 2019 Elsevier B.V.

Item Type:
Journal Article
Journal or Publication Title:
Forest Ecology and Management
Additional Information:
This is the author’s version of a work that was accepted for publication in Forest Ecology and Management. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Forest Ecology and Management, 444, 2019 DOI: 10.1016/j.foreco.2019.04.036
Uncontrolled Keywords:
?? forestryland-sharingland-sparingscarabaeinaesilviculturebiodiversitytexturestimbertropicscommunity compositioneucalyptus plantationsexplanatory variablesfunctional diversityfunctional similarityintegrated managementcoleopteraeucalyptusnature and landscape ??
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Deposited On:
10 May 2019 09:44
Last Modified:
05 Jan 2024 00:23