Resource Details

Effects of above- and below-ground competition of shrubs and grass on Calophyllum brasiliense (Camb.) seedling growth in abandoned tropical pasture

Literature: Journal Articles Available at NO COST

Holl, K.D. 1998, "Effects of above- and below-ground competition of shrubs and grass on Calophyllum brasiliense (Camb.) seedling growth in abandoned tropical pasture", Forest Ecology and Management, vol. 109, no. 1-3, pp. 187-195.

Contact Info

kholl@ucsc.edu

Affiliations

  • Environmental Studies Department, University of California, Santa Cruz CA 95064, USA

Link(s)

Wake Forest University

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Forest Ecology and Management

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Species Info

  • Calophyllum brasilense

Description

This article evaluates the above and below-ground competition between grasses and shrubs and woody seedling in abandoned pasture in montane Costa Rica. One-year old seedlings of Calophyllum brasilense, a native early-successional tree species, were planted in patches of shrub growth and grass coverage. seedlings were treated in one of four ways: reduction of root competition, reduction of above-ground competition, reduction of both forms of competition, and control (untreated). Seedling biomass (above and below-ground) was highest in the plots where both above- and below-ground competition was reduced. For all treatments, biomass was higher in the grassy areas than in the shrub areas. Above-ground competition appears to have a stronger affect than under-ground competition. The authors assert than weeding treatments around seedlings multiple times a year are very important in reducing above-ground competition and encouraging seedling growth.

Geographical Region

  • Southern Central America
  • Ecosystems

  • Montane Forest
  • Country

  • Costa Rica
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