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  • Influence
The Saguaro: A Population in Relation to Environment.
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HIGHWAY MORTALITY OF SNAKES IN THE SONORAN DESERT OF SOUTHERN ARIZONA
Abstract We present an algebraic method for estimating highway mortality in snakes, based on careful data collection during low-speed driving on paved roads. A total of 368 snakes (104 live, 264Expand
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Biotic Communities of the Southwest.
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Supercooling in reptiles and other vertebrates.
Abstract 1. 1. Reptiles are able to escape the lethal effects of freezing by supercooling the entire body to as low as −8°C, 2–8°C below the freezing point of body tissues (ca. −0·6°C). 2. 2.Expand
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Critical Factors During the First Years of Life of the Saguaro (Cereus Giganteus) at Saguaro National Monument, Arizona
Germination and establishment of the saguaro giant cactus were studied by periodic observations on natural seedling populations, seedling distribution within rocky, rolling hill, and flat terrainExpand
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The Venomous Reptiles of Arizona
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