Influence of climatic and edaphic factors on the distribution of eragrostis lehmanniana nees in arizona, usa

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33 Citations (Scopus)

Abstract

Lehmann lovegrass (Eragrostis tehmanniana Nees) was introduced into Arizona, USA, from South Africa in 1932 and has since been sown throughout the southwestern USA and Northern Mexico. The species is well adapted in southeastern Arizona where it has been sown on over 69 115 ha and has spread by seed to an additional 76 040 ha. Where Lehmann lovegrass predominates and spreads, surface soils are sandy, summer rainfall is greater than or equal to 200 mm and winter temperatures rarely fall below 0° C. Factors contributing to the spread of Lehmann lovegrass in southeastern Arizona include fire, cattle grazing and drought.

Original languageEnglish (US)
Pages (from-to)25-29
Number of pages5
JournalJournal of the Grassland Society of Southern Africa
Volume3
Issue number1
DOIs
StatePublished - Jan 1 1986

Fingerprint

Eragrostis lehmanniana
edaphic factors
climatic factors
sandy soil
cattle
soil surface
grazing
drought
seed
rainfall
winter
summer
Eragrostis
temperature
South Africa
Mexico
rain
seeds
distribution
Africa

Keywords

  • Cattle grazing
  • Fire
  • Plant invasion
  • Rangeland revegetation and seed germination

ASJC Scopus subject areas

  • Ecology
  • Animal Science and Zoology

Cite this

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abstract = "Lehmann lovegrass (Eragrostis tehmanniana Nees) was introduced into Arizona, USA, from South Africa in 1932 and has since been sown throughout the southwestern USA and Northern Mexico. The species is well adapted in southeastern Arizona where it has been sown on over 69 115 ha and has spread by seed to an additional 76 040 ha. Where Lehmann lovegrass predominates and spreads, surface soils are sandy, summer rainfall is greater than or equal to 200 mm and winter temperatures rarely fall below 0° C. Factors contributing to the spread of Lehmann lovegrass in southeastern Arizona include fire, cattle grazing and drought.",
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AU - Ruyle, George B

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AB - Lehmann lovegrass (Eragrostis tehmanniana Nees) was introduced into Arizona, USA, from South Africa in 1932 and has since been sown throughout the southwestern USA and Northern Mexico. The species is well adapted in southeastern Arizona where it has been sown on over 69 115 ha and has spread by seed to an additional 76 040 ha. Where Lehmann lovegrass predominates and spreads, surface soils are sandy, summer rainfall is greater than or equal to 200 mm and winter temperatures rarely fall below 0° C. Factors contributing to the spread of Lehmann lovegrass in southeastern Arizona include fire, cattle grazing and drought.

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