Resource Details

Enrichment planting in a logged-over tropical mixed deciduous forest of Laos

Literature: Journal Articles

Sovu, Tigabu, M., Savadogo, P., Oden, P. & Xayvongsa, L. 2010, "Enrichment planting in a logged-over tropical mixed deciduous forest of Laos", Journal of Forestry Research, vol. 21, no. 3, pp. 273-280.

Contact Info

Corresponding Author: sovueseng@yahoo.com.au

Affiliations

 

  • Swedish University of Agricultural Sciences, Faculty of Forest Sciences, Southern Swedish Forest Research Centre, PO Box 101, SE-230 53 Alnarp, Sweden
  • Lamphoune Xayvongsa National University of Laos, Faculty of Forestry, PO Box 7322 Vientiane, Lao P.D.R. 

Link(s)

Journal of Forestry Research

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Species Info

  • Pterocarpus macrocarpu
  • Afzelia zylocarpa
  • Dalbergia cochinchinensis
  • Dipterocarpus alatus
  • Vatica cinerea

Description

  • In this article, the researchers engaged in enrichment planting using five native species planted in degraded (logged) forests in different arrangements.
  • The species, Pterocarpus macrocarpu, Afzelia zylocarpa, Dalbergia cochinchinensis, Dipterocarpus alatus, and Vatica cinerea were planted in 8 x 8m gaps or in 100m long lines (with 2m width), with species grouped by gap or part of the line.
  • After seven years since planting, the survival rate did not vary by enrichment planting method, but did vary by species: P. macrocarpus and A. xylocarpa had the lowest survival (under 37%) while D. alatus and V. cinera had the highest survival (between 50 and 52%).
  • All together, the trees in the gaps had higher root collar diameters and height growth than those in the line plantings. D. alatus and V. cinera had the highest root collar diameter and height growth as well, with V. cinera having the highest height in gaps (315.0cm) and D. alatus in line plantings (202.3cm).
  • The authors describe that canopy closure occurred rapidly in both lines and gaps and, therefore, seems to favor the more shade-tolerant species (D. alatus and V. cinerea) in both treatments. They recommend larger gap sizes be used to favor a balance of both both light-demanding and shade tolerant species.

Geographical Region

  • Mainland Southeast Asia
  • Country

  • Lao PDR
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