Biodiversity-productivity relationships in small-scale mixed-species plantations using native species in Leyte province, Philippines

Huong Thu Thi Nguyen; John L Herbohn; Jennifer Firn; David Lamb

doi:10.1016/j.foreco.2012.02.022

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Biodiversity-productivity relationships in small-scale mixed-species plantations using native species in Leyte province, Philippines

Journal article

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Biodiversity-productivity relationships in small-scale mixed-species plantations using native species in Leyte province, Philippines

Huong Thu Thi Nguyen, John L Herbohn, Jennifer Firn and David Lamb

Forest Ecology and Management, Vol.274, pp.81-90

2012

DOI: https://doi.org/10.1016/j.foreco.2012.02.022

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Abstract

species richness

Shannon's index

functional species

native species

small-scale forestry

rainforestation

In this study, we investigate the relationship between tree species diversity and production in 18 mixed-species plantations established under the Rainforestation Farming system in Leyte province, the Philippines. The aim was to quantify productivity in the mixed-species plantations in comparison to the monocultures, and identify key drivers of productivity including environmental conditions, stand structural characteristics and surrogate measures of biodiversity, i.e. species richness, Shannon's diversity index and functional groups. We found that monocultures had a much higher productivity than mixtures of the same and other species. In the mixtures, biodiversity and productivity did not have a simple relationship. Instead the proportion of exotic and native species, and the proportion of fast-growing species had a marginally significant positive effect on stand productivity, but no significant relationship was found with species richness or Shannon's diversity. Instead stand structural characteristics such as density and age were the strongest drivers of increased productivity. Production levels within the mixed-species plantations varied significantly between sites. Overall, we found that the productivity of mixed species plantations was driven more by the characteristics of species present and stand structural characteristics then by simply the number and abundance of species, which suggests management practices are key for balancing multiple objectives to meet sustainable development needs. © 2012.

Details

Title: Biodiversity-productivity relationships in small-scale mixed-species plantations using native species in Leyte province, Philippines
Authors: Huong Thu Thi Nguyen (Author) - The University of Queensland
John L Herbohn (Author) - University of Queensland
Jennifer Firn (Author) - Queensland University of Technology
David Lamb (Author) - University of Queensland
Publication details: Forest Ecology and Management, Vol.274, pp.81-90
Publisher: Elsevier BV
Date published: 2012
DOI: 10.1016/j.foreco.2012.02.022
ISSN: 0378-1127
Organisation Unit: Australian Centre for Pacific Islands Research; Tropical Forests and People Research Centre; University of the Sunshine Coast, Queensland; Forest Research Institute
Language: English
Record Identifier: 99447761302621
Output Type: Journal article

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Collaboration types: Domestic collaboration
Web Of Science research areas: Forestry

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