Resource Details

Determinants for successful reforestation of abandoned pastures in the Andes: Soil conditions and vegetation cover

Literature: Journal Articles

Günter, S., Gonzalez, P., Álvarez, G., Aguirre, N., Palomeque, X., Haubrich, F. & Weber, M. 2009, "Determinants for successful reforestation of abandoned pastures in the Andes: Soil conditions and vegetation cover", Forest Ecology and Management, vol. 258, no. 2, pp. 81-91.

Contact Info

Corresponding Author: sven_gunter@yahoo.de

Affiliations

  • Institute of Silviculture, Department of Ecology and Ecosystem Management, Technische Universität München, Am Hochanger 13, 85354 Freising, Germany
  • Universidad Nacional de Loja, Ecuador
  • Institute for Soil Science and Site Ecology, Dresden University of Technology, Pienner Str. 19, 01737 Tharandt, Germany

Link(s)

Forest Ecology & Management

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Species Info

Alnus acuminata
Cedrela montana
Juglans neotropica
Heliocarpus americanus
Tabebuia chrysantha
Pinus patula (exotic)
Eucalyptus saligna (exotic)

Description

  • This article compares the three years growth of seedlings of native and exotic species planted in abandoned pasture, brachen ferns, and shrubs Andean Ecuador.
  • The species used (native: Alnus acuminata, Cedrela montana, Juglans neotropica, Heliocarpus americanus, Tabebuia chrysantha, exotic: Pinus patula and Eucalyptus saligna) were planted in a block design in the different successional stages and in plots with and without above-ground weeding.
  • Alnus acuminata had the greatest height growth of the native species and was competitive with Eucalyptus saligna.
  • The species that grew the best in pasture were mostly early-successional (light demanding) while the mid-successional species (H. americanus, C. montana, J. neotropica) grew in bracken fern, and T. chrysantha grew best in the shrubs. Bracken fern sites were higher in Mn and N and lower in P than the other sites. For T. crysantha and H. americanus, weeding improved growth while for C. montana, weeding reduced growth (likely due to desiccation from the shade reduction).
  • Authors conclude that soil heterogeneity (with regards to Mg, Mn, and P) affected growth of E. saligna and A. acuminata, and that small-scale variation in the soil conditions (nutrient composition) make difficult the establishment of generic site index values for reforestation and plantations (as is commonly done in the temperate zone).

Geographical Region

  • Andean Region
  • Country

  • Ecuador
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