Test of the accuracy of an age-height model for saguaro (Carnegiea gigantea)

Taly Dawn Drezner; Raymond M. Turner

doi:10.1894/N04-JB-39.1

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Taly Dawn Drezner,^1,* Raymond M. Turner²

¹Department of Geography, N430 Ross, York University, 4700 Keele Street, Toronto, Ontario, M3J 1P3, C
²United States Geological Survey, 5132 East Fort Lowell Road, Tucson, AZ 85712 (RMT)

^*Correspondent: drezner@yorku.ca

Abstract

A test of a general growth-model to estimate the age of Carnegiea gigantea, a keystone species of the Sonoran Desert, was conducted. Results suggest that standard errors are low (<2 years) and the model is robust for estimating age of establishment of the long-lived saguaro cactus.

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Taly Dawn Drezner and Raymond M. Turner "Test of the accuracy of an age-height model for saguaro (Carnegiea gigantea)," The Southwestern Naturalist 59(1), 121-122, (1 March 2014). https://doi.org/10.1894/N04-JB-39.1

Received: 31 August 2012; Accepted: 1 March 2013; Published: 1 March 2014

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