Long-term chronosequence of forest succession in the upper Rio Negro of Colombia and Venezuela

J. G. Saldarriaga, D. C. West, M. L. Tharp, Christopher Uhl

Research output: Contribution to journalArticle

353 Citations (Scopus)

Abstract

Following slash-and-burn agriculture, number of species increased during the early stages of succession, with stands 20 to 40 years old having a species richness similar to that found in mature forests. Basal area varied from 11 m2 ha-1 in a 10-yr-old stand to 37 m2 ha-1 in a mature forest. Dry weights are given for leaves, twigs, branches, stems and roots in successional and mature tierra firme forests. The biomass for each component for 10-yr-old and mature forest stands, respectively, was 6-11 t ha-1 for leaves, 11-23 t ha-1 for twigs, 9-76 t ha-1 for branches, 18-145 t ha-1 for stems and 7-65 t ha-1 for roots. Above-ground living biomass ranged from 44 t ha-1 for 10-yr-old stands to 326 t ha-1 for mature forests. Dead biomass varied from 1 t ha-1 for 20-yr-old stands to 53 t ha-1 for a mature forest. Above-ground living biomass increases linearly during the first 40 yr. No significant changes occur for the next 40 yr, because biomass accumulation is offset by death of long-lived successional species. About 190 yr was the estimated time taken by a previously-cultivated site to reach mature forest basal area and biomass values. -from Authors

Original languageEnglish (US)
Pages (from-to)938-958
Number of pages21
JournalJournal of Ecology
Volume76
Issue number4
DOIs
StatePublished - Jan 1 1988

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forest succession
chronosequences
chronosequence
Venezuela
Colombia
biomass
branches
basal area
stem
shifting cultivation
stems
forest stands
leaves
biomass production
death
species richness
species diversity
agriculture

All Science Journal Classification (ASJC) codes

  • Ecology, Evolution, Behavior and Systematics
  • Ecology
  • Plant Science

Cite this

Saldarriaga, J. G. ; West, D. C. ; Tharp, M. L. ; Uhl, Christopher. / Long-term chronosequence of forest succession in the upper Rio Negro of Colombia and Venezuela. In: Journal of Ecology. 1988 ; Vol. 76, No. 4. pp. 938-958.
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Long-term chronosequence of forest succession in the upper Rio Negro of Colombia and Venezuela. / Saldarriaga, J. G.; West, D. C.; Tharp, M. L.; Uhl, Christopher.

In: Journal of Ecology, Vol. 76, No. 4, 01.01.1988, p. 938-958.

Research output: Contribution to journalArticle

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