NEWSLETTER
OF THE ARIZONA-NEVADA
ACADEMY OF SCIENCE

NORTHERN ARIZONA UNIVERSITY
DEPARTMENT OF PHYSICS AND ASTRONOMY
BOX 6010, FLAGSTAFF, AZ, 86011
(520) 523-2680, FAX (520) 523-1371
Email: gordon.johnson@nau.edu

March, 2000

Editor, Stephen Williams
Glendale Community College
 swilliams@gc.maricopa.edu

The 44th Annual meeting of the Arizona- Nevada Academy of Science will be held at The University of Arizona, Tucson, Arizona, 14-15 April 2000.

Friday evening's activifies,wi11 be at the University of Arizona in the Harvill Building, Room 150, Second Street at Olive Ave. There will be a Board Meeting from 6:00 - 7:00 PM. Registration from 7:00 - 7:30 PM and the Evening Lecture from 7:30 - 8:30 PM.

Friday Evening, April 14, Speaker
Harvill Building, Room 150
7:30 - 8:30 pm

Victor R. Baker
Regents Professor and Head of the
Department of Hydrology, The
University of Arizona

"Science and Public Policy: Is it a
Dysfunctional Relationship?"


IMPORTANT DATES

April 14

 Harvill Building, Room 150 University of Arizona
6:00 - 7:00 pm Board Meeting
7:00 - 7:30 pm Registration
7:30 - 8:30 pm Friday Evening Speaker Dr. Victor R. Baker

April 15

University of Arizona

7:00 - 8:00 am Registration, Harvill Building, Atrium 1st Floor
8:00 - 11:30 am Harvill Building, ANAS Annual Meeting
12:00 - 1:15 pm Plaza Hotel 1900 E Speedway Blvd Wildcat Rooms I and II Luncheon and Annual Business Meeting
1:45 - 5:00 pm Harvill Building, ANAS Annual Meeting
2:00 - 4:00 pm Harvill Building, Arizona-Nevada Academy of Science Competition

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ABBREVIATED SCHEDULE AND
ACTIVITY LOCATIONS

Friday, April 14 University of Arizona,
Harvill Building Room 150
7:00 - 8:30 PM Registration and Evening Speaker
Saturday, April 15 University of Arizona,
Harvill Building
7:00 - 8: 00 AM Registration: Atrium, First Floor
8:00 - 10:00 AM Paper Sessions (See Section Schedules)
10:00 - 10:30 AM Coffee Break in Atrium, first floor of Harvill Building
10:30 - 11:30 AM Paper Sessions (See Section Schedules)
11:30 - 1:40 PM Annual Academy Awards Luncheon and Business Meeting Plaza International Hotel - Wildcat Rooms 1 and 2
1:40 - 3:00 PM Paper Sessions (See Section Schedules)
3:00 - 3:30 PM Coffee Break in Atrium, first floor of Harvill Building
3:30 - 5:30 PM Paper Sessions (See Section Schedules)
1:40 - 4:00 PM Junior Academy Competition (See Section Schedules)
4:30 PM Junior Academy Awards, Room 102

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SUMMARY OF SECTION MEETINGS
HARVILL BUILDING

Section Session Time Room
Biology I 8:00 108
  II 1:45 108

Chemistry I 8:00 240
  II 1:45 240

Conservation I 8:00 130
  II 1:45 130

Geography - Geology I 8:00 313
  II 1:45 313

Hydrology I 8:00 411
  II 2:00 411

Junior Academy   1:40 316, 318, 404, 415

Junior Academy Awards   4:30 102

Poster Session   10:00 Atrium 1st floor

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Biology Section

SESSION I 8:00 AM
ROOM: 108
Chairperson:

8:00 - 8:15 A COMPARISON OF TWO METHODS FOR SAMPLING THE GULF OF CALIFORNIA MUD-SHRIMP, NEOTRYPAEA UNCINATA (CRUSTACEA: THALASSINIDEA).
K. Garcia, S. Embry, D. Grossblat, A. Holbrook, W. McLaren, S. Reed, H. Wildey, and S. Shuster (Northern Arizona University, Flagstaff, AZ).

8:15 - 8:30 ANALYSIS AND DISCUSSION OF ELEVEN MONTHLY SAMPLES OF THE GULF OF CALIFORNIA MUD SHRIMP NEOTRYPAEA UNCINATA (CRUSTACEA: THALASSINDEA)
Herbert C. Wildey and Stephen M. Shuster (Northern Arizona University ,Flagstaff Az)

8:30 - 8:45 THE EFFECTS OF CANNIBALISM ON NATURAL AND CAPTIVE POPULATIONS OF THE ENDANGERED SOCORRO ISOPOD.
N. Zorich and S. Shuster (Northern Arizona University, Flagstaff, Arizona) and B. Lang (New Mexico Game & Fish)

8:45 - 9:00 THE EFFECTS OF MATING ORDER ON FEMALE FECUNDITY IN A MARINE ISOPOD, PARACERCEIS SCULPTA HOLMES (CRUSTACEA: ISOPODA).
Saundra Embry and Stephen M. Shuster, (Northern Arizona University, Flagstaff, AZ)

9:00 - 9:15 THE EFFECTS OF LINKAGE AND SELECTION ON ALLOZYME VARIATION IN A MARINE ISOPOD, PARACERCEIS SCULPTA HOLMES (CRUSTACEA: ISPOPDA).
Kimberly Perry and Stephen M. Shuster (Northern Arizona University, Flagstaff, AZ)

9:15 - 9:30 THE EFFECTS OF FOOD AVAILABILITY ON ADULT PHENOTYPE IN PARACERCEIS SCULPTA HOLMES (CRUSTACEA: ISOPODA).
E. Omana, K. Johnson, S. Embry, J. Learned, S. Vuturo, and S. Shuster (Northern Arizona University, Flagstaff, AZ)

9:30 -9:45 EVIDENCE OF SIMULTANEOUS HERMAPHRODITISM WITH A PROTANDROUS PHASE IN THE COMMENSAL POLYCHAETE OPHIODROMUS PUGETTENSIS
Steven Vuturo and Stephen Shuster, Northern Arizona University, Flagstaff, Arizona

9:45 - 10:00 AN ANALYSIS OF GENETIC DIFFERENCES AMONG NINE POPULATIONS OF THE FRESHWATER ISOPOD THERMOSPHAEROMA SUBEQUALUM COLE AND BANE.
Jennifer Learned and S. Shuster (Northern Arizona University, Flagstaff, AZ)

10:00 - 10:30 COFFEE BREAK in Atrium of Harvill Building

10:30 - 10:45 *POPULATION ECOLOGY OF A DESERT PERENNIAL, HESPEROCALLIS UNDULATA
Janelle R. DeGroot, Thomas R. Jones (Grand Canyon University, Phoenix, Arizona)

10:45 - 11:00 CRYPTANTHA (BORAGINACEAE) - ARIZONA ANNUALS AND ANGUSTIFOLIAE
Jeffrey Wayne Brasher (Arizona State University, Tempe, Arizona)

11:00 -11:15 FREDERICK MORTIMER IRISH: FOUNDER OF THE ASU HERBARIUM
Trauth-Nare, Amy and Donald J. Pinkava (Arizona State University, Tempe, AZ)

11:15 - 11:30 Vascular Plant Type Specimens In The Arizona State University Herbarium
Stefanie M. Ickert-Bond and Donald J. Pinkava (Arizona State University, Tempe, Arizona)

11:30 - 1:40 ANNUAL ACADEMY AWARDS LUNCHEON AND BUSINESS MEETING PLAZA INTERNATIONAL HOTEL

SESSION II: 1:45 PM
ROOM: 108
Chairperson:

1:45 - 2:00 CRUCIFIXION THORNS: CONVERGENT DESERT ADAPTATION OF THREE UNRELATED GENERA
Carol Crimmins, Stephanie M. Ickert-Bond and Kathleen B. Pigg (Arizona State University, Tempe, Arizona)

2:00 - 2:15 NEW COLLECTIONS OF LESQUERELLA AND PHYSARIA (BRASSICACEAE) AS SOURCES OF HYDROXY FATTY ACIDS
Andrew Salywon (Arizona State University, Tempe, Arizona) and Dave Dierig (USDA-ARS, Phoenix, Arizona)

2:15 - 2:30 DIATOMS OF TOWN LAKE
Jennifer Hunter, Mark Compton, Doug Crowl, and Milton Sommerfeld (Arizona State University, Tempe, Arizona)

2:30 - 2:45 THE EFFECTS OF SILICON DEPLETION ON LIPID METABOLISM IN THE DIATOM CHAETOCEROS MUELLERI
Nancy Engel, Karen McGinnis, and Milton Sommerfeld. Arizona State University, Tempe, Arizona

2:45 - 3:00 BASELINE STUDY OF THE BATS OF KARTCHNER CAVERNS STATE PARK, ARIZONA
Debbie C. Buecher (Cave Research Foundation, Tucson, Arizona)

3:00 - 3:30 COFFEE BREAK IN THE ATRIUM OF THE HARVILL BUILDING

3:30 - 3:45 PREDICTING THE EFFECTS OF KARTCHNER CAVERNS DEVELOPMENT ON BAT POPULATIONS IN THE WHETSTONE MOUNTAINS
Ronnie Sidner, Ph.D. (Ecological Consulting, Tucson, Arizona)

* Indicates a paper to be considered for the Best Student Paper Award

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Chemistry Section

SESSION I: 8:00 AM
Room: 240
Chairperson: Paul Smolenyak

 8:00 - 8:20 ASYMMETRIC SYNTHESIS OF 2,7-DIAMINOSUBERIC ACID
Shane Ellison, Mike Scott, Edgar Civitello (Northern Arizona University, Flagstaff, Arizona)

8:20 - 8:40 THE SYNTHESIS OF CHROMIUM(III)-DNA-PROTEIN CROSSLINK MODELS
Rick Leniek, Karin Haebe, Diane Stearns, Ph.D., Edgar Civitello, Ph.D., Department of Chemistry, Northern Arizona University

8:40 - 9:00 CHROMIUM(III) DIETARY SUPPLEMENTS CAUSE MITOCHONDRIAL DAMAGE IN CHINESE HAMSTER OVARY AA8 CELLS
Kevine Manygoats and Diane Stearns Northern Arizona University, Flagstaff, Arizona

9:00 - 9:20 *CHROMIUM GLUTATHIONE COMPOUNDS: MODELS FOR BIOLOGICALLY ACTIVE CHROMIUM.
Brian Picard and Dr. Diane Stearns, Northern Arizona University, Flagstaff, Arizona

9:20 - 9:40 FIBER-OPTIC SPR: DEVELOPMENT OF LOW COST, FIELD PORTABLE INSTRUMENTATION FOR ENVIRONMENTAL AND ON-LINE INDUSTRIAL ANALYSIS.
LA Obando, KS Booksh (Arizona State University, Tempe, Arizona)

9:40 - 10:00 FIBER OPTIC PROBES FOR DEEP-SEA EXPLORATION
ML Nahorniak, KS Booksh (Arizona State University, Tempe, AZ)

10:00 - 10:30 COFFEE BREAK IN ATRIUM OF HARVILL BUILDING

10:30 - 10:50 THE WAVEGUIDE RESONANCE (WGR) SENSOR: AN IMPROVEMENT ON CONVENTIONAL SURFACE PLASMON RESONANCE (SPR)
John Bradshaw, Sergio Mendes, Scott Saavedra (University of Arizona, Tucson, Arizona)

10:50 - 11:10 FORMATION AND CHARACTERIZATION OF STABLE SUPPORTED PHOSPHOLIPID BILAYERS
Eric Ross, John Conboy, Sanchao Liu, Scott Saavedra, David O'Obrien (University of Arizona, Tucson, Arizona)

11:10 - 11:30 LOW COLLISION ENERGY QUANTITATION OF METHYL / HYDROXY TERMINATED SELF-ASSEMBLED MONOLAYERS.
Darrin L. Smith, Vicki H. Wysocki (University of Arizona, Tucson, AZ 85721)

11:30 -1:40 ANNUAL ACADEMY AWARDS LUNCHEON AND BUSINESS MEETING PLAZA INTERNATIONAL HOTEL

SESSION II: 1:40 PM
ROOM: 240
Chairperson: Paul Smolenyak

1:40 - 2:00 *ATMOSPHERIC LEAD DEPOSITION AT THE MOHAVE POWER PLANT IN LAUGHLIN, NEVADA
Jens-Uwe Kuhn, and Richard D. Foust, Jr., Northern Arizona University, Flagstaff, AZ

2:00 - 2:20 VARIFICATION OF LEAD CONTAMINATION SOURCES THROUGH ISOTOPIC IDENTIFICATION
Kim Givler (Northern Arizona University, Flagstaff, Arizona)

2:20 - 2:40 *TRACE METAL TRANSPORT IN ARID ENVIRONMENTS
Kenneth Neely, Christopher Lewers, Gordon Southam, Richard D. Foust, Jr. (Northern Arizona University, Flagstaff, Arizona)

2:40 - 3:00 ATMOSPHERIC HEAVY METAL DEPOSITION IN THE VICINITY OF THE NAVAJO POWER PLANT, PAGE, ARIZONA
T. N. Thomas and J. Regner, Northern Arizona University, Flagstaff, Arizona

3:00 -3:30 COFFEE BREAK IN ATRIUM OF HARVILL BUILDING

3:30 - 3:50 THE EFFECT OF STRUCTURAL DIFFERENCES ON PEPTIDE FRAGMENTATION MECHANISMS.
L.Breci, G.Tsaprailis, T. Vaisar*, V. H. Wysocki University of Arizona, Tucson, AZ *Molecumetics, Ltd., Bellevue, WA 98005

3:50 - 4:10 A STUDY OF THE INTERFACIAL PROPERTIES OF POLYMER-CLAY NANOCOMPOSITES
Brett Lahner, Michael P. Eastman (Northern Arizona University, Flagstaff, Arizona) Robin Helburn (Research Triangle Institute, Research Triangle Park, North Carolina)

4:10 - 4:30 REMOVAL OF URANIUM AND LEAD FROM NATURAL WATERS BY ADSORPTION/COPRECIPITATION WITH CALCIUM HYDROXYAPATITE
James A. Jordan, Jeff Hom and Michael E. Ketterer

4:30 - 5:00 MICROBIAL STUDIES IN MONTEZUMA WELL
J. Reifel, Northern Arizona University, Flagstaff, Arizona

* Indicates a paper to be considered for the Best Student Paper Award

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Conservation Section

SESSION I: 8:00 AM
ROOM: 130
Chairperson: Jim deVos

8:00 - 8:15 A.M. DISTRIBUTION, MOVEMENTS, AND PREDATION OF LITTLE COLORADO SPINEDACE
Michael Sweetser, Anthony Robinson, and Scott Bryan (Arizona Game and Fish Department, Phoenix, Arizona)

8:15 - 8:30 A.M. ESTABLISHMENT OF ATRIPLEX SHRUBS EVALUATED UNDER A LINE-SOURCE SPRINKLER IRRIGATION SYSTEM DURING THE SUMMER AND WINTER
Carolyn Watson (University of Arizona, Tucson, Arizona), Bruce Roundy (Brigham Young University, Provo, Utah), Steve Smith (University of Arizona, Tucson, Arizona) Bruce Munda and Mark Pater, (Plant Materials, Tucson, Arizona)

8:30 - 8:45 A.M. MAMMAL DISTRIBUTION AND HABITAT ASSOCIATION IN CENTRAL SONORA USING CAMERA TRAPS
Gustavo Lorenzana Pi-a (CESUES, Hermosillo, Sonora, Mexico), Carlos A. L-pez Gonz‡lez (Denver Zoological Foundation, Denver, Colorado)

8:45 - 9:00 A.M. SONORAN OCELOTS: CAN THEY MAKE IT TO ARIZONA?
Carlos A. L-pez Gonz‡lez (Denver Zoological Foundation, Denver, Colorado), David E. Brown (Arizona State University, Tempe, Arizona), Gustavo Lorenzana Pi-a (CESUES, Hermosillo, Sonora, Mexico)

9:00 - 9:15 A.M. EVALUATION OF FOUR DIFFERENT RADIO-COLLARS FOR THE TASSEL-EARED SQUIRREL
MariAnn M. Koloszar, Norris L. Dodd (Arizona Game and Fish Department, Phoenix, Arizona), Melissa F. Lema (Northern Arizona University, Flagstaff, Arizona), and Danny D. Decker (Telonics Inc., Mesa, Arizona)

9:15 - 9:30 A.M. IMPACTS OF HUMAN ACTIVITIES ON MONTEZUMA QUAIL (Cyrtonyx montezumae mearnsi) IN SOUTHEASTERN ARIZONA: PRELIMINARY RESULTS
Kirby D. Bristow, and Richard A. Ockenfels (Arizona Game and Fish Department, Phoenix, Arizona)

9:30 - 9:45 A.M. USE OF REMOTE CAMERA SYSTEMS TO ASSESS DIET, PREY DELIVERY RATES, AND BEHAVIOR OF NORTHERN GOSHWAKS (ACCIPITER GENTLILIS) ON THE APACHE-SITGREAVES FOREST IN EAST CENTRAL ARIZONA; BENEFITS AND CONSTRAINTS TO THIS TECHNOLOGY.
Andi S. Rogers (University of Arizona, Tucson and Arizona Game and Fish Department, Phoenix, Arizona)

9:45 - 10:00 A.M. CHARACTERISTICS OF SUMMER ROOST SITES SELECTED BY MALE MERRIAMÕS TURKEYS IN NORTH-CENTRAL ARIZONA
Timothy D. Rogers, and Brian F. Wakeling (Arizona Game and Fish Department, Phoenix, Arizona)

10:00 - 10:30 COFFEE BREAK IN THE ATRIUM OF THE HARVILL BUILDING

10:30 - 10:45 A.M. DESERT BIGHORN ON PUSCHE RIDGE, WE WATCHED THE EXTIRPATION.
James C. deVos, Jr. (Arizona Game and Fish Department, Phoenix, Arizona)

10:45 - 11:00 A.M. THE SPORT FISH AND WILDLIFE RESTORATION OUTREACH PROGRAM IN ARIZONA. WHAT IS THIS BEAST AND WHAT ARE WE GOING TO DO WITH IT IN THE FUTURE??
Tom McMahon (Arizona Game and Fish Department, Phoenix, Arizona)

11:00 - 11:15 A.M. BREEDING BIRD RESPONSE TO JUNIPER EXPANSION IN NORTHERN ARIZONA GRASSLANDS.
Steven S. Rosenstock (Arizona Game and Fish Department, Phoenix, Arizona)

11:15 - 11:30 A.M. REPRODUCTIVE SUCCESS OF WESTERN BLUEBIRDS IN UNRESTORED AND RESTORED FORESTS; A PRELIMINARY COMPARISON
Heather L. Germaine, and S. S. Germaine (Arizona Game and Fish Department, Phoenix, Arizona)

11:30 - 1:40 ANNUAL ACADEMY AWARDS LUNCHEON AND BUSINESS MEETING PLAZA INTERNATIONAL HOTEL

SESSION II 1:45 PM
ROOM: 130
Chairperson: Jim deVos

1:45 - 2:00 P.M. ENVIRONMENTAL CHARACTERISTICS OF MULE DEER BED SITES IN CURRENT-CONDITION AND RESTORED PONDEROSA PINE FOREST: A PRELIMINARY ASSESSMENT
Stephen S. Germaine, H. L. Germaine, T. Gehr, and D. Brown (Arizona Game and Fish Department, Phoenix, Arizona)

2:00 - 2:15 P.M. OTOLITHS USED TO AGE ROUNDTAIL CHUB, GILA ROBUSTA
Lorraine D. Avenetti, Mark J. Brouder, and Diana D. Rogers (Arizona Game and Fish Department, Phoenix, Arizona)

2:15 - 2:30 P.M. COMPETITIVE INTERACTIONS AMONG CRAYFISH, A SMALL PREY FISH, AND A PREDATORY SALMONID
Scott D. Bryan, Anthony T. Robinson, and Michael G. Sweetser (Arizona Game and Fish Department, Phoenix, Arizona)

3:00 - 3:30 COFFEE BREAK IN THE ATRIUM OF THE HARVILL BUILDING

* Indicates a paper to be considered for the Best Student Paper Award

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Geography - Geology Section

SESSION I: 8:30 AM
ROOM: 313
Chairperson: Robert Altschul

8:30 - 8:50 MAPPING SONORAN DESERT VEGETATION USING LANDSAT THEMATIC MAPPER AND ERS-1 RADAR SATELLITE IMAGERY
Scott Shupe (University of Arizona, Tucson, Arizona)

8:50 - 9:10 EOLIAN MODIFICATION OF MORAINE SOILS, WHISKEY BASIN, WYOMING
Michael Applegarth, Arizona State University, Tempe, AZ, Dennis Dahms, University of Northern Iowa, Cedar Falls, IA

9:10 - 9:30 MONITORING REGIONAL TRANSFORMATION IN A BINATIONAL CONTEXT
Vera Pavlakovich-Kochi and Meagan E. Cahill (The University of Arizona, Tucson, Arizona)

9:30 - 9:50 LANDSCAPE AND WATER QUALITY CHANGE IN THE LAS VEGAS VALLEY, NV BETWEEN 1972 AND 1998
Krystyna Stave and Kate Lederle, UNLV, Las Vegas, NV

10:00 - 10:30 COFFEE BREAK IN ATRIUM OF HARVILL BUILDING

Chairperson: Phil Pearthree

10:30 - 10:45 THUMB BITTE: A VENT-CONCEALING FLOW REMNANT?
Beth Nichols Boyd (Yavapai College, Prescott, Arizona)

10:45 - 11:00 ALLUVIAL FAN DEPOSITIONAL EVENTS IDENTIFED BY COSMOGENIC DATING
Sarah E. Robinson and J. Ramon Arrowsmith (Geology Dept., Arizona State University, Tempe, AZ)

11:00 - 11:15 ASSESSMENT OF ALLUVIAL FAN FLOOD HAZARDS: AN EXAMPLE FROM WEST-CENTRAL ARIZONA
Ted Lehman (JE Fuller Hydrology / Geomorphology, Tempe, AZ) Philip Pearthree and Tim Orr (Arizona Geological Survey, Tucson, AZ)

11:15 - 11:30 THE EVALUATION OF THE DISPLACEMENT HISTORY OF A FAULTED QUATERNARY BASALT, WUPATKI NATIONAL MONUMENT, ARIZONA
Lee Amoroso (Arizona State University, Tempe, AZ)

11:30 - 1:40 ANNUAL ACADEMY AWARDS LUNCHEON AND BUSINESS MEEETING PLAZA INTERNATIONAL HOTEL

SESSION II: 1:45 PM
ROOM: 313
Chairperson: Phil Pearthree

1:45 - 2:00 SURFICIAL GEOLOGY AND GEOARCHAEOLOGY OF GROWLER VALLEY, GOLDWATER AIR FORCE RANGE, SOUTHWESTERN ARIZONA
Philip A. Pearthree (Arizona Geological Survey, Tucson, Arizona) and Andrea K. Freeman (University of Calgary, Calgary, Alberta)

2:00 - 2:30 SOIL-STRATIGRAPHIC RELATIONSHIPS OF HOLOCENE DUNES ON THE KAIBITO PLATEAU, NAVAJO INDIAN RESERVATION, NORTHERN ARIZONA
Kirk C. Anderson, NAU and Navajo Nation Archaeology Department, Flagstaff Arizona L. Theodore Neff, Navajo Nation Archaeology Department, Flagstaff, Arizona

2:30 - 2:45 BASEMENT FABRICS IN SOUTHEASTERN NEW MEXICO: FAULT REACTIVATION, BASINAL ARCHITECTURE, NEOTECTONICS, AND NATURAL RESOURCE MANAGEMENT
Robert R. Casavant (University of Arizona, Tucson, AZ) casavant@geo.arizona.edu

2:45 - 3:00 PRELIMINARY ANALYSIS OF BASEMENT FABRICS TAKEN FROM LANDSAT SATELLITE IMAGERY--NEW MEXICO AND ARIZONA
Casavant, Robert R. (University of Arizona, Tucson, AZ, (casavant@geo.arizona.edu) Horstman, Kevin C. (Consulting Geologist, Tucson, AZ, kchorstman@aol.com)

3:00 - 3:30 COFFEE BREAK IN THE ATRIUM OF HARVILL BUILDING

* Indicates a paper to be considered for the Best Student Paper Award

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Hydrology Section

Session I: 8:00 AM
Room: 411
Chairperson: Don Young

8:00 - 8:30 BACTERIOLOGICAL WATER QUALITY TREND ANALYSIS IN OAK CREEK CANYON, ARIZONA.
Boris Poff and Aregai Tecle (School of Forestry, NAU, Flagstaff, AZ.)

8:30 - 9:00 SPATIAL VARIABILITY AND MODEL COMPLEXITY IN EROSION PREDICTION ON A SEMIARID RANGELAND WATERSHED
Howard Evan Canfield (USDA-NRCS, Window Rock, Arizona)

9:00 - 9:30 WATERSHED CHARACTERISTICS OF OAK SAVANNAS IN THE SOUTHWESTERN BORDERLANDS
Gerald J. Gottfried and Daniel G. Neary (USDA Forest Service, Rocky Mountain Research Station, Flagstaff, Arizona) and Ronald J. Bemis (USDA Natural Resources Conservation Service, Douglas, Arizona)

9:30 - 10:00 INITIAL ABSTRACTION AND LOSS IN THE CURVE NUMBER METHOD
Richard H. Hawkins (University of Arizona, Tucson, Arizona) Ali Vali Khojeini (University of Tehran, Karaj, Iran)

10:00 - 10:30 COFFEE BREAK in atrium of Harvill Building

10:30 - 11:00 A WATER BUDGET FOR EMORY OAK WOODLANDS: AN INITIAL APPROXIMATION
Peter F. Ffolliott (University of Arizona, Tucson, Arizona)

11:00 - 11:30 HABITAT UTILIZATION BY TWO NATIVE, THREATENED FISH SPECIES, NEW MEXICO
John N. Rinne and Brian Deason (Rocky Mountain Research Station, Flagstaff, Arizona)

11:30 - 1:40 ANNUAL ACADEMY AWARDS LUNCHEON AND BUSINESS MEETING PLAZA INTERNATIONAL HOTEL

SESSION II: 2:00 PM
ROOM: 411
Chairperson: Don Young

2:00 - 2:30 EFFECT OF ROCK AND GREEN WASTE MULCHES ON SOIL MOISTURE AND TEMPERATURE
D.F. Post, J.P. Dubay, and A.D. Matthias (University of Arizona, Tucson, AZ)

2:30 - 3:00 AN EVALUATION OF METHODS TO MEASURE SOIL HYDRAULIC CONDUCTIVITY
M. H. Bagour and D. F. Post (University of Arizona, Tucson, AZ)

3:00 - 3:30 COFFEE BREAK in atrium of Harvill Building

3:30 - 4:00 ACCESSING WATERSHED-RELATED DATA SETS THROUGH THE WORLD WIDE WEB
Malchus B. Baker, Jr. (USDA Forest Service, Flagstaff, Arizona), Daniel P. Huebner (USDA Forest Service, Flagstaff, Arizona), and Peter F. Ffolliott (University of Arizona, Tucson, Arizona)

4:00 - 4:30 FLASH FLOODING FOLLOWING WILDFIRES IN ARIZONA: THE CARR FIRE
Daniel G. Neary and Robert E. Lefevre (Rocky Mountain Research Station, Flagstaff, Arizona, and Coronado National Forest, Tucson, Arizona)

4:30 - 5:00 IMPACT OF PONDEROSA PINE RESTORATION TREATMENTS ON WATERSHED CONDITION
Daniel G. Neary (Rocky Mountain Research Station, Flagstaff, Arizona)

5:00 - 5:30 GROUNDWATER MOVEMENT AND WATER CHEMISTRY AT BRYCE CANYON NATIONAL PARK
Llyn Doremus and David Kreamer (UNLV, Las Vegas, Nevada)

* Indicates a paper to be considered for the Best Student Paper Award

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ACKNOWLEDGEMENTS

The 44th Annual meeting of the Arizona- Nevada Academy of Science was made possible in part by the generous donations of the following contributors.

Arizona Game and Fish Department

College of Agriculture, University of Arizona

Department of Geosciences, University of Arizona

Desert Archaeology, Inc., Tucson, Arizona

Institue for the Study of Planet Earth, University of Arizona

Organization of Arid Land Studies, University of Arizona

University of Arizona Vice President for Research

University of Arizona College of Science

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Last Modified 3/30/00 by OKD