Volume 34(2)

Journal
of the
Arizona-Nevada Academy of Science


CONTENTS

Effects of Inter-Annual Precipitation Patterns on Plant Cover According to Dispersal Mechanisms Along a Riparian Corridor in the Sonoran Desert, U.S.A.
    Taly Dawn Drezner and Patricia L. Fall
70
Use of Debris Morphology and Soil Development to Assess Surface Stability on Bedrock Hillslopes, South Phoenix, Arizona
    Michael T. Applegarth
81
Distribution and Potential Competitive Effects of an Exotic Zooplankter (Daphnia lumholtzi) in Arizona Reservoirs
    Dean R. Dobberfuhl and James J. Elser
89
Reproduction in the Chihuahuan Hook-nosed Snake, Gyalopion canum (Serpentes: Colubridae)
    Stephen R. Goldberg
95
Preliminary Test of a Surface Heat Island Model (SHIM) and Implications for a Desert Urban Environment, Phoenix, Arizona
    Anthony J. Brazel and Katherine Crewe
98
Riparian Plant Community Patterns: A Case Study from Southeastern Arizona
    Keirith A. Snyder, D. Phillip Guertin, Roy L. Jemison, and Peter F. Ffolliott
106
Attitudes Toward Child Abuse Preventions
    Melinda F. Davis, William N. Marshall, Jr., and Ellen Price
112
Book Review 120

2002
Published by the
Arizona-Nevada Academy of Science