Annual rainfall, topoedaphic heterogeneity and growth of an arid land tree (Prosopis glandulosa)

D. Miller, Steve Archer, S. F. Zitzer, M. T. Longnecker

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

Basal area growth rates for Prosopis glandulosa were quantified for contrasting landscape elements in a subtropical savanna. We hypothesized that growth rates of P. glandulosa plants (1) are a function of seasonal or annual rainfall; and (2) vary with patch type and in the rank order observed for large trees. Prosopis glandulosa growth was responsive to changes in rainfall (-0.974 cm2 year-1 in a dry year; 9.108 in a wet year), but correlations with rainfall were low. Growth of trees in contrasting patches was not consistently different, suggesting that contrasts in tree sizes across the landscape reflect differences in establishment dates rather than differences in growth rates.

Original languageEnglish (US)
Pages (from-to)23-33
Number of pages11
JournalJournal of Arid Environments
Volume48
Issue number1
DOIs
StatePublished - 2001
Externally publishedYes

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Prosopis glandulosa
arid lands
rain
rainfall
basal area
tree growth
savanna
savannas
arid land

Keywords

  • Dendrometer bands
  • Encroachment
  • Invasion
  • Mesquite
  • Savanna

ASJC Scopus subject areas

  • Earth-Surface Processes
  • Ecology

Cite this

Annual rainfall, topoedaphic heterogeneity and growth of an arid land tree (Prosopis glandulosa). / Miller, D.; Archer, Steve; Zitzer, S. F.; Longnecker, M. T.

In: Journal of Arid Environments, Vol. 48, No. 1, 2001, p. 23-33.

Research output: Contribution to journalArticle

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