Woody and herbaceous aboveground production of a Patagonian steppe

R. J. Fernandez-A., Osvaldo Sala, R. A. Golluscio

Research output: Contribution to journalArticle

74 Citations (Scopus)

Abstract

Aboveground net primary production (ANPP) of steppe in SW Chubut (Argentina) was estimated, yielding a value of 79 g of dry matter (DM) m-2 yr-1 (SE 19 g DM m-2 yr-1) for an annual rainfall of 191 mm. Two thirds of production were accounted for by perennial grasses and one third by shrubs. There was a large reduction in ANPP during a year of extreme drought; however, there were no increases in ANPP during years with above-average precipitation, suggesting that the carrying capacity for the Patagonian steppe may not be linearly related to precipitation. -from Authors

Original languageEnglish (US)
Pages (from-to)434-437
Number of pages4
JournalJournal of Range Management
Volume44
Issue number5
StatePublished - 1991
Externally publishedYes

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aboveground production
net primary production
steppes
steppe
primary productivity
dry matter
carrying capacity
shrub
Argentina
shrubs
drought
grass
grasses
rain
rainfall

ASJC Scopus subject areas

  • Animal Science and Zoology
  • Ecology

Cite this

Woody and herbaceous aboveground production of a Patagonian steppe. / Fernandez-A., R. J.; Sala, Osvaldo; Golluscio, R. A.

In: Journal of Range Management, Vol. 44, No. 5, 1991, p. 434-437.

Research output: Contribution to journalArticle

Fernandez-A., RJ, Sala, O & Golluscio, RA 1991, 'Woody and herbaceous aboveground production of a Patagonian steppe', Journal of Range Management, vol. 44, no. 5, pp. 434-437.
Fernandez-A., R. J. ; Sala, Osvaldo ; Golluscio, R. A. / Woody and herbaceous aboveground production of a Patagonian steppe. In: Journal of Range Management. 1991 ; Vol. 44, No. 5. pp. 434-437.
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