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Courses
- PPaleontology
Grants
- Minute 323 Monitoring Plan for the Colorado River Delta
Principal Investigator (PI)
2018
$1.3M
Active - Limitrophe and Cienega De Santa Clara Monitoring
Principal Investigator (PI)
2018
$128.8K
Active - LSAMP BD: University of Arizona, Western Alliance to Expand Student Opportunities
Co-Investigator (COI)
2018
$1.1M
- Bridge to Doctorate: WAESO LSAMP, Self Efficacy and Academic Community for Underrepresented Minority Student Success
Co-Investigator (COI)
2016
$1.0M
- GP-IMPACT - Pathways into Geosciences at the University of Arizona
Principal Investigator (PI)
2015
$288.4K
- Minute 319 Monitoring Plan for the Colorado River Delta
Principal Investigator (PI)
2014
$893.3K
- Preliminary Evaluation of Possible Opportunities for Active Management of Cienega de Santa Clara
Principal Investigator (PI)
2012
$19.4K
- Extended Summary of Cienega de Santa Clara Monitoring Report
Principal Investigator (PI)
2012
$3.6K
- Discovery & Documentation of New Triassic Microvertebrate Faunas in the Upper Chinle Formation, Petrified Forest National Park, Arizona (Yr2)UAZCP-285
Principal Investigator (PI)
2012
$2.9K
- Monitoring Project for the Cienega de Santa Clara, Mexico
Principal Investigator (PI)
2011
$102.0K
News
- Four Questions: UA Experts Discuss Drought Contingency Plan
2019
- 3 From UA Recognized by AAAS in New Class of Fellows
2018
- Colorado River Delta Report Provides Restoration Road Map
2018
- Colorado River Delta Flows Help Birds, Plants, Groundwater
2016
- Internships Give a Career Boost to Geosciences Transfer Students
2016
- Partnership Connects Transfer Students, Geosciences
2015
- UA Experts Can Offer Expertise on Issues Related to Mining Spills
2015
- Outreach to Parents Could Draw More Hispanics to Geosciences, UA Researchers Say
2014
- Colorado River Delta Greener After Engineered Pulse of Water
2014
- UA Leading Effort to Evaluate Unprecedented Environmental Flow to Colorado Delta
2014
- Conference Spotlights Interdisciplinary Environmental Research
2013
- EarthWeek to Feature Student Research
2012
- Ciénega de Santa Clara Unchanged After Pilot Run of Desalting Plant
2012
- Stephen Jackson Named New Southwest Climate Science Center Director
2012
- Putting the Dead to Work for Conservation Biology
2011
- Paul S. Martin, Pleistocene Extinctions Expert, Dies
2010
- New Book Examines U.S.-Mexico Border Conservation Challenges
2010
- UA-Led Team Studies Effect of Yuma Desalting Plant on Cienega de Santa Clara
2010
- Two UA Geoscientists Honored at Geological Society Meeting
2010
- Spencer Titley Honored for Half-Century of Teaching and Research at UA
2009
- UA Awarded $4.35M to Study Earth's Critical Zone
2009
- Transformation Produces School of Earth and Environmental Sciences
2009
- Snapshot in Time: The Changing College of Science
2009
- UA Seeks to Broaden Diversity in Engineering, Geosciences
2009
- Peter DeCelles Receives Lifetime Achievement Award from Geological Society of America
2008
- Mysterious collector donates $7 million collection to the UA Mineral Museum
2007
- Studying Water Quality in Colorado River Delta's Cienega de Santa Clara
2006
- Earstones Tell Fishes' Tale in Colorado River Estuary
2004
- Hidden Cost of Colorado River Diversions: $2.4 Billion Annually
2004
- Year in Review 2001: College of Science
2001
- Before the Dams: Environmental History of the Colorado River Delta
2001
- Colorado Water Could Help Revive Life on the Delta, UA Geoscientist Says
2000
Publications (87)
Recent
- A large-scale environmental flow experiment for riparian restoration in the Colorado River delta
2017
- Leveraging environmental flows to reform water management policy: Lessons learned from the 2014 Colorado River delta pulse flow
2017
- The experimental flow to the Colorado River Delta: Effects on carbon mobilization in a dry watercourse
2017
- Tracking cultural ecosystem services: water chasing the Colorado River restoration pulse flow
2016
- Fossil clam shells reveal unintended carbon cycling consequences of Colorado River management
2016
- Monthly Water Balance of an Iconic Coastal Desert Wetland Under Reduced Flows and Increased Salinities; Implications for Management
2015
- Conservation Paleobiology: Leveraging knowledge of the past to inform conservation and restoration
2015
- . Choosing the geoscience major: Important factors, race, ethnicity and gender.
2015
- Monthly water balance of an iconic coastal desert wetland under reduced flows and increased salinities: Implications for management
2015
- The role of economics in transboundary restoration water management in the Colorado River Delta
2014
- Why are there so few hispanic students in geoscience?
2014
- Water for nature in the Colorado River delta
2014
- From accident to management: The Cienega de Santa Clara ecosystem
2013
- Salinity responses to inflow alterations in a 6500ha Typha wetland
2013
- Identification of chemicals of potential concern (COPECs) in anthropogenic wetlands of the Colorado River delta
2013
- Reprint of: Salinity responses to inflow alterations in a 6500ha Typha wetland
2013
- Long-term sustainability of the hydrology and vegetation of Cienega de Santa Clara, an anthropogenic wetland created by disposal of agricultural drain water in the delta of the Colorado River, Mexico
2013
- Flooding the Colorado river delta: A landscape-scale experiment
2013
- Restoration potential of the aquatic ecosystems of the Colorado River Delta, Mexico: Introduction to special issue on Wetlands of the Colorado River Delta
2013
- Post-dam sediment dynamics and processes in the Colorado River estuary: Implications for habitat restoration
2013
- Salinity limits of vegetation in the Cienega de Santa Clara, an oligotrophic marsh in the delta of the Colorado River, Mexico: Implications for a salinity increase.
2012
- Salinity limits of vegetation in Cienega de Santa Clara, an oligotrophic marsh in the delta of the Colorado River, Mexico: Implications for an increase in salinity
2012
- Delta dynamics: Effects of a major earthquake, tides, and river flows on Ciénega de Santa Clara and the Colorado River Delta, Mexico
2012
- Restoration flows for the Colorado River estuary, México: Estimates from oxygen isotopes in the bivalve mollusk Mulinia coloradoensis (Mactridae: Bivalvia)
2012
- Conservation paleobiology: Putting the dead to work
2011
- The delta mudsucker, gillichthys detrusus, a valid species (Teleostei: Gobiidae) endemic to the colorado river delta, Northernmost gulf of California, Mexico
2011
- Ecosystem services across borders: A framework for transboundary conservation policy
2010
- Fish without water: Validation and application of δ sup 18 /sup O in Totoaba macdonaldi otoliths
2008
- Diverting the Colorado River leads to a dramatic life history shift in an endangered marine fish
2008
- Just add water and the Colorado river still reaches the sea
2007
- Taphonomic variation despite catastrophic mortality: Analysis of a mass stranding of false killer whales (Pseudorca crassidens), gulf of California, Mexico
2007
- Trilobite taphonomy and temporal resolution in the Mt. Orab shale bed (Upper Ordovician, Ohio, U.S.A.)
2006
- Distribution of the intertidal macrofauna of the Colorado River Delta, northern Gulf of California, Mexico
2006
- Reliability of multitaxon, multiproxy reconstructions of environmental conditions from accretionary biogenic skeletons
2006
- Forging a common agenda for ecology and paleoecology
2005
- The importance of Colorado River flow to nursery habitats of the Gulf corvina (Cynoscion othonopterus)
2005
- Who cares about a vanishing clam? Trophic importance of Mulinia coloradoensis inferred from predatory damage
2005
- The use of oxygen isotope variation in shells of estuarine mollusks as a quantitative record of seasonal and annual Colorado River discharge
2004
- Detecting time-averaging and spatial mixing using oxygen isotope variation: A case study
2004
- Bones on the beach: Marine mammal taphonomy of the Colorado delta, Mexico
2003
- High-resolution analysis of δ sup 18 /sup O in the biogenic phosphate of modern and fossil lingulid brachiopods
2003
- Upstream dams and downstream clams: Growth rates of bivalve mollusks unveil impact of river management on estuarine ecosystems (Colorado River Delta, Mexico)
2003
- Sclerochronology and growth of the bivalve mollusks Chione (Chionista) fluctifraga and C. (Chionista) cortezi in the northern Gulf of California, Mexico
2002
- Reconstructing daily temperatures from growth rates of the intertidal bivalve mollusk Chione cortezi (northern Gulf of California, Mexico)
2002
- Macrofaunal and isotopic estimates of the former extent of the Colorado River estuary, upper Gulf of California, México
2001
- Cross-calibration of daily growth increments, stable isotope variation, and temperaturre in the Gulf of California Bivalve Mollusck Chione cortezi: Implications for paleoenvironmental analysis
2001
- Effects of upstream diversion of river water on the estuarine bivalve mollusc Mulinia coloradoensis
2001
- Ecology and conservation biology of the Colorado River delta, Mexico
2001
- Dead delta's former productivity two trillon shells at the mouth of the Colorado River
2000
- Seasonal predation by migratory shorebirds recorded in shells of lingulid brachiopods from Baja California, Mexico
2000
- Well-traveled cockles: Shell transport during the Holocene transgression of the southern North Sea
1998
- High-resolution estimates of temporal mixing within shell beds: the evils and virtues of time-averaging
1998
- Radiocarbon reservoir ages in the Gulf of California: Roles of upwelling and flow from the Colorado River
1997
- Phenetic discrimination of biometric simpletons: Paleobiological implications of morphospecies in the lingulide brachiopod Glottidia
1997
- Gastropod shell repair in the intertidal of Bahia la Choya (N. Gulf of California)
1997
- Variation in amino acid epimerization rates and amino acid composition among shell layers in the bivalve Chione from the Gulf of California
1997
- Predatory scars in the shells of a recent lingulid brachiopod: Paleontological and ecological implications
1997
- Time-averaging and postmortem skeletal survival in benthic fossil assemblages: Quantitative comparisons among Holocene environments
1997
- Faunal gradients in surface and subsurface shelly accumulations from a recent clastic tidal flat, Bahia la Choya, northern Gulf of California, Mexico
1996
- Improving with age: The fossil record of lingulide brachiopods and the nature of taphonomic megabiases
1996
- Ternary taphograms and the comparative taphonomy of recent mollusks from the north sea and the Gulf of California
1996
- Bioturbation rates in Bahía la Choya, Sonora, Mexico
1996
- Comparative taphonomy and faunal composition of shelly cheniers from northeastern Baja California, Mexico
1995
- The quality of the fossil record: Populations, species, and communities
1995
- Ternary taphograms: triangular diagrams applied to taphonomic analysis
1995
- Biogeography of recent marine bivalve molluscs and its implications for paleobiogeography and the geography of extinction: a progress report
1995
- A predatory drillhole in Glottidia palmeri Dall (Brachiopoda; Lingulidae) from Recent tidal flats of northeastern Baja California, Mexico
1994
- Taphofacies analysis of recent shelly cheniers (beach ridges), northeastern baja california, Mexico
1994
- Shell survival and time-averaging in nearshore and shelf environments: estimates from the radiocarbon literature
1994
- Time and taphonomy: quantitative estimates of time-averaging and stratigraphic disorder in a shallow marine habitat
1993
- Post-collection taphonomy: Shell destruction and the chevrolet
1992
- NSF Funding for paleontology and sedimentary geology
1990
- All generalizations about NSF are false. Including this one
1990
- The facts of mass extinctions
1990
- Taphonomic pathways and comparative biofacies and taphofacies in a Recent intertidal/shallow shelf environment
1990
- Fossils out of sequence: computer simulations and strategies for dealing with stratigraphic disorder
1990
- Taphonomy of tidal flat moluscs in the Northern Gulf of California: Paleoenvironmental analysis despite the perils of preservation.
1987
- Declining Phanerozoic background extinction rates: Effect of taxonomic structure?
1985
- Biogeography and paleobiology.
1985
- Comment on 'Late Oligocene transgression of middle Atlantic Coastal Plain'
1981
- Planktonic foraminiferal diversity in the interglacial and glacial North Atlantic: a test of diversity gradients as a paleoceanographic technique.
1980
- Comment on 'Geologic implications of the relationship between mammalian faunal similarity and geographic distance'
1979
- Geologic implications of the relationship between mammalian faunal similarity and geographic distance
1979
- Trends in trans-North Atlantic commonality among Phanerozoic invertebrates, and plate tectonic events: Discussion
1978
- Patterns of planktonic foraminiferal abundance and diversity in surface sediments of the western North Atlantic
1978
- Sedimentation rates in a coastal marsh determined from historical records
1977
- Large scale extinctions
1976