Woody and herbaceous aboveground production of a Patagonian steppe

R. J. Fernandez-A.; O. E. Sala; R. A. Golluscio

doi:10.2307/4002739

Woody and herbaceous aboveground production of a Patagonian steppe

R. J. Fernandez-A., O. E. Sala, R. A. Golluscio

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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 language	English (US)
Pages (from-to)	434-437
Number of pages	4
Journal	Journal of Range Management
Volume	44
Issue number	5
DOIs	https://doi.org/10.2307/4002739
State	Published - 1991
Externally published	Yes

ASJC Scopus subject areas

Ecology
Animal Science and Zoology

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title = "Woody and herbaceous aboveground production of a Patagonian steppe",

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",

author = "Fernandez-A., {R. J.} and Sala, {O. E.} and Golluscio, {R. A.}",

year = "1991",

doi = "10.2307/4002739",

language = "English (US)",

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AU - Fernandez-A., R. J.

AU - Sala, O. E.

AU - Golluscio, R. A.

PY - 1991

Y1 - 1991

N2 - 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

AB - 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

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ER -

Woody and herbaceous aboveground production of a Patagonian steppe

Abstract

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