GREGORY ALLAN CRONIN

EDUCATION

Institution	Date	Degree	Major
Univ. of Kansas	1989	B.A.	Chem and Biochem
U. of North Carolina – Chapel Hill	1994	Ph.D.	Marine Sciences

PROFESSIONAL EXPERIENCE

1998-present	Assistant Professor of Biology, Univ. of Colorado at Denver
1998-present	Assistant Professor of Environmental Sciences, Univ. of Colorado at Denver
2001-present	Team Member , Western Water Assessment, CIRES/NOAA
2000-present	Trustee, Rocky Mountain Hydrologic Research Center
1998	Resource Person for Conservation Biology, Organization for Tropical Studies
1997-1998	Visiting Fellow, Cooperative Institute for Research in Environmental Sciences (CIRES), Univ. of Colorado at Boulder/NOAA
1997	Concurrent Asst. Prof. of Biological Sciences, Univ. of Notre Dame
1995-1997	Postdoctoral Research Associate, Univ. of Notre Dame
1989-1994	Research Assistant, Marine Ecology, UNC-Chapel Hill
1993	Student, Tropical Biology, Organization for Tropical Studies
1993	Teaching Assistant, Marine Chemical Ecology, UNC-CH
1992	Research Assistant, Marine Larval Chemical Ecology, National Undersea Research Center
1990 and 1991	Scientist, Marine Secondary Metabolites, Scripps Inst. of Oceanography
1989	Teaching Assistant, Marine Sciences, UNC-Chapel Hill
1988-1989	Research Assistant, Plant Physiological Ecology, Univ. Kansas
1988	Research Assistant, Biochemistry and Toxicology, Univ. Kansas
1987-1989	Lab Instructor, Dept of Chemistry, Univ. Kansas

REFEREED PUBLICATIONS

2003	Cronin G, and D. M. Lodge. Effects of light and nutrient availability on the growth, allocation, carbon/nutrient balance, phenolic chemistry, and resistance to herbivory of two freshwater macrophytes. Oecologia 137: 32-41.
2002	Cronin, G. David M. Lodge, M. E. Hay, M. Miller, A. M. Hill, T. Horvath, R. C. Bolser, N. Lindquist, and M. Wahl. Crayfish feeding preferences for freshwater macrophytes: the influence of plant structure and chemistry. Journal of Crustacean Biology. 22: 708–718
2001	Dorn, N. J., Cronin, G, Lodge D.M. Feeding preferences and performance of an aquatic lepidopteran on aquatic macrophytes: Plant hosts as food and habitat. Oecologia 128:406-415
2000	Smith, L.K., W.M. Lewis, Jr., J.P. Chanton, G. Cronin, and S.K. Hamilton. Methane emissions from the Orinoco River Floodplain, Venezuela. Biogeochemistry 51: 113-140.
1999	Cronin, G., T. Schlacher, D. M Lodge, and E. L. Siska. Intraspecific variation in feeding preference and performance of Galerucella nymphaeae (Chrysomelidae: Coleoptera) on aquatic macrophytes. J. North American Benthological Society 18:391-405.
1998	Cronin, G. Between-species and temporal variation in acacia-ant-herbivore interactions. Biotropica. 30: 135-139.
1998	Cronin, G, K. D. Wissing, and D. M. Lodge. Comparative feeding selectivity of herbivorous insects on water lilies: Aquatic vs. semi-terrestrial insects and submersed vs. floating leaves. Freshwater Biology 39: 243-257
1997	Cronin, G., V. J. Paul, M. E. Hay, and W. Fenical. Feeding deterrent effects of new diterpenes from Dictyota acutiloba: Geographic variation in herbivore resistance to seaweed defenses. J. Chemical Ecology 23: 289-302.
1996	Cronin, G. and M. E. Hay. Seaweed-herbivore interactions depend on recent history of both the plant and animal. Ecology 77: 1531-1543.
1996	Cronin, G. and M. E. Hay. Induction of seaweed chemical defenses by amphipod grazing. Ecology 77:2287-2301.
1996	Cronin, G. and M. E. Hay. Within-plant variation in seaweed palatability and chemical defenses: Optimal defense theory versus the growth-differentiation balance hypothesis. Oecologia 105: 361-368.
1996	Cronin, G. and M. E. Hay. Chemical defenses, protein content, and susceptibility to herbivory of diploid vs. haploid stages of the isomorphic brown alga Dictyota ciliolata (Phaeophyta). Botanica Marina 39: 395-399.
1996	Cronin, G. and M. E. Hay. Effects of light and nutrient availability on the growth, secondary chemistry, and resistance to herbivory of two brown seaweeds. Oikos 77:93-106.
1996	Hardt, I., W. Fenical, G. Cronin, and M. E. Hay. New feeding deterrents from the tropical brown alga Dictyota acutiloba. Phytochemistry 43: 71-73.
1996	Howard, J. J., M. L. Henneman, G. Cronin, J. A. Fox, and G. Hormiga. Conditioning of scouts and recruits during foraging by a leafcutting ant (Atta columbica). Animal Behaviour 52: 299-306.
1995	Cronin, G, M. E. Hay, W. Fenical, and N. Lindquist. Distribution, density, and sequestration of host chemical defenses by the specialist nudibranch Tritonia hamnerorum found at high densities on the sea fan Gorgonia ventalina. Marine Ecology Progress Series 119:177-189
1995	Cronin, G, N. Lindquist, M. E. Hay, and W. Fenical. Effects of storage and extraction procedures on yields of lipophilic metabolites from the brown seaweeds Dictyota ciliolata and D. menstrualis. Marine Ecology Progress Series 119:265-273

PUBLICATIONS IN REFEREED SYMPOSIA PROCEEDINGS

1999

Newman, R.M., G. Cronin, and S. L. Solarz. The importance of prior experience and population source in the determination of host range. Evaluating Indirect Ecological Effects of Biological Control - An International Symposium of the Global IOBC (International Organization for Biological Control), Agropolis International, Montpillier, France. IOBC Bulletin 22(2): 52

BOOKS AND BOOK CHAPTERS

2001	Cronin, G. Resource allocation in seaweeds and marine invertebrates: Chemical defense patterns in relation to defense theories. In: J.B McClintock and B.J. Baker (eds.) Marine Chemical Ecology. CRC Press. 325-353.
2001	Cronin, G. Defense mechanisms. Magill's Encyclopedia of Science: Animal Life. Salem Press. 314-319
2001	Cronin, G. Marine Biology. Magill's Encyclopedia of Science: Animal Life. Salem Press. 1000-1004
2001	Cronin, G. Reefs. Magill's Encyclopedia of Science: Animal Life. Salem Press. 1354-1356.
1998	Cronin G. Influence of macrophyte structure, nutritive value, and chemistry on the feeding choices of a generalist crayfish. In: Jeppesen, E, Sondergaard, M, Sondergaard, M., and Christoffersen, K (eds.) The structuring role of submerged macrophytes in lakes. Springer-Verlag. Vol. 131, pp. 307-317.
1998	Lodge, D.M., G. Cronin, E. Van Donk, and A.J. Froelich. Impact of herbivory on plant standing crop: Comparisons among biomes, between vascular and nonvascular plants, and among freshwater herbivore taxa. In: Jeppesen, E, Sondergaard, Ma., Sondergaard, Mo., and Christoffersen, K (eds.) The structuring role of submerged macrophytes in lakes. Springer‑Verlag. Vol. 131, pp. 149‑174.

NON-REFEREED PUBLICATIONS

1997	Cronin, G. Native Insect is Purple Loosestrife Biocontrol Candidate. Restoration and Management Notes. Summer 1997.

PUBLICATIONS OF SUPERVISED STUDENTS

2003	Dean, W.E., Neff, B.P., Rosenberry, D.O., Winter, T.C., and Parkhurst, R.S., The significance of ground water to the accumulation of iron and manganese in the sediments of two hydrologically distinct lakes in North-Central Minnesota: A geological perspective, Ground Water, 41: 951-963.

PUBLICATIONS IN PREPARATION

In Review	Schlacher T. and G. Cronin. A trophic cascade in a macrophyte-based food web: predators reduce plant damage via indirect effects and higher order interactions.
In Review	Cronin, G., W.M. Lewis, Jr., and MA Scheisher. Ecosystem roles of submersed macrophytes in the littoral zone of a plains reservoir. Freshwater Biology likely
In Prep	Cronin, G. J. H. McCutchan, W.M. Lewis, Jr., J.F. Saunders, III. In prep. Effects of discharge and temperature on ecosystem metabolism in a plains river. J. North American Benthological Society likely
In Prep	Cronin, G., S. Klemm, and W.M. Lewis, Jr. Temporal and spatial variation in the recovery of sediment organic carbon following a spate. J. North American Benthological Society likely
In Prep	Cronin, G. and P. Ellis. Direct and interactive effects of nutrients and ultraviolet radiation on the benthic community of a Rocky Mountain stream. J. North American Benthological Society likely
In Prep	Cronin, G. Comparison of stream vs. terrestrial predation rates in a tropical rain forest. Biotropica likely
In Prep	Stearns, M., R. Healy, J Tindall, and G. Cronin. Effects of coal-bed methane discharge waters on soil and vegetation in Juniper Draw of the Powder River Basin, WY

COURSES TAUGHT

Oceanography (Notre Dame)

Conservation Biology (UCD)

Fundamentals of Applied Ecology (UCD)

Applied Environmental Biology (UCD)

Marine Biology (UCD)

Invertebrate Zoology (UCD)

Aquatic Ecology (UCD)

Spring Seminar (UCD)

PRESENTATIONS AT MEETING AND SEMINARS PRESENTED

2004	The chemical ecology of prey: tradeoffs among growth, defense, and stress tolerance - Invited Seminar, Colorado State University
2004	Allocation of resources with respect to chemical defenses: when is it possible to grow and defend? – Annual Meeting, North American Benthological Society, Vancouver, Canada
2003	Ecological roles of freshwater macrophytes – Invited Seminar, Phytoremediation Workshop, Univ. of Colorado at Denver
2003	The chemical ecology of prey-consumer interactions - Invited Seminar, Math Science Initiative, Univ. of Colorado at Denver
2003	There is more to life than growth and defense: applying Grime’s model of plant life histories to seaweed chemical defenses – Annual Meeting, Marine Benthic Ecology Meeting, Storrs, CT
2002	The chemical ecology of prey-consumer interactions. - Invited Seminar, Math Science Initiative, Univ. of Colorado at Denver
2002	Effects of nutrient and UVR availability on a subalpine stream - Annual Meeting, North American Benthological Society, Pittsburgh, PA
2002	Effects of nutrient and UVR availability on a subalpine stream. Annual Meeting, Rocky Mountain Hydrological Research Center, Boulder, CO
2001	A career as an ecologist - Invited Seminar, Math Science Initiative, Univ. of Colorado at Denver
2001	Effects of nutrient and UV availability on St. Vraine: Preliminary results - Annual Meeting, Rocky Mountain Hydrologic Research Center, Boulder, CO
2001	Effect of springs on macrophyte distribution - AWMA Meeting, Univ. of Colorado at Denver
2001	Relationship between hydrology and ecosystem function in the South Platte River, Colorado - Annual Meeting, North American Benthological Society, LaCrosse, WI.
2000	Outcome of plant-herbivore interaction depends on recent history of both the plant and animal – Invited seminar, Univ. of Northern Colorado
2000	Effect of light and nutrient availability on the growth, carbon/nitrogen balance, phenolic chemistry, and resistance to herbivory in two freshwater macrophytes - Annual Meeting, North American Benthological Society, Keystone, CO.
1999	The influence of macrophytes on macroinvertebrates and sediment-water interactions - Annual Meeting, North American Benthological Society, Duluth, MN.
1998	Aquatic macrophyte-herbivore interactions: Consumer preferences, plant defenses, and roles in ecosystem processes – Invited Seminar, Univ. of Colorado at Denver
1998	Susceptibility to herbivory depends on recent history of both the plant and the animal: effects of previous attack, desiccation, and starvation – Invited Seminar, Dept. of Botany, Univ. of Kansas
1997	The effects of the environment on chemically mediated seaweed-herbivore interactions – Invited seminar, Bowdoin College, Brunswick, ME.
1997	Why do crayfish eat what they eat? The role of plant structure, chemical defenses, and nutritive value - Annual Meeting, Midwest Ecology and Evolution Conference
1997	Chemical warfare between seaweeds and herbivores - – Invited seminar, Middlebury College, Middlebury, VT.
1997	Chemical defenses in 3 kingdoms – Invited seminar, Union College, Schenectady, NY.
1996	Influence of macrophyte structure, nutritive value, and chemistry on the feeding choices of a generalist crayfish – Invited seminar, National Environmental Research Institute, Silkeborg, Denmark
1996	Freshwater macrophyte-herbivore interactions: feeding preferences of herbivores and the effects of higher trophic levels - Annual Meeting, Ecological Society of America Meeting, Macrophyte Symposium, Providence, RI
1996	Intraspecific variation in host preference of Galerucella nymphaeae: genetic vs. environmental influences. Annual Meeting, Midwest Ecology and Evolution Conference, Michigan State University
1996	Stress alters seaweed chemical defenses and susceptibility to herbivores: Effects of previous attack, desiccation, and U.V. radiation - Annual Meeting, Southeastern Phycological Colloquy
1996	Intraspecific variation in seaweed palatability and chemical defenses: Effects of previous attack, UV exposure, and desiccation - Annual Meeting, Marine Benthic Ecology Meeting
1995	Amphipod grazing induces chemical defenses in the brown alga Dictyota menstrualis – Invited seminar, Kellogg Biological Station, Michigan State University
1995	Freshwater macrophyte-herbivore-predator interactions – Invited seminar, University of Notre Dame
1995	Amphipod grazing induces chemical defenses in the brown alga Dictyota menstrualis – Invited seminar, University of Notre Dame
1995	Water-lily-herbivore interactions: feeding selectivity, herbivory rates, and leaf turnover - Annual Meeting, North American Benthological Society Meeting, Keystone, Colorado
1995	Freshwater macrophyte-herbivore interactions: generalist vs. specialist grazers - Annual Meeting, Midwest Ecology and Evolution Conference, Bowling Green College
1995	Freshwater macrophyte-herbivore interactions: generalist vs. specialist grazers - Annual Meeting, Gordon Conference, Oxnard, California
1995	Amphipod grazing induces chemical defenses in the brown alga Dictyota menstrualis - Annual Meeting, Marine Benthic Ecology Meeting.
1994	Determinants of plant preference by generalist crayfishes - Annual Meeting, North American Benthological Society Meeting, Orlando, FL
1994	Plant preference by freshwater specialist herbivores: selection of enemy-free-space? - Annual Meeting, North American Benthological Society Meeting
1994	Within-thallus variation in palatability and chemical defenses in the brown alga Dictyota ciliolata - Annual Meeting, Southeastern Phycological Colloquy
1994	Effect of desiccation on the brown alga Dictyota ciliolata and its resistance to herbivores - Annual Meeting, Marine Benthic Ecology Meeting.
1994	Effect of desiccation and UV radiation on the brown alga Dictyota ciliolata and its resistance to herbivores - Annual Meeting, Students of Organismal Biology Symposium, UNC-Chapel Hill.
1993	Distribution, abundance, and predator avoidance of the specialist nudibranch Tritonia hamnerorum - Annual Meeting, Marine Benthic Ecology Meeting.
1993	Distribution, abundance, and predator avoidance of the specialist nudibranch Tritonia hamnerorum - Annual Meeting, Duke University Marine Lab Graduate Symposium.
1992	Effects of environment on Dictyota chemistry and resistance to herbivory: A test of the resource availability hypothesis - Annual Meeting, Annual Meeting,
1991	Can an alga distinguish between amphipod and urchin grazing? - Annual Meeting, Northeast Algal Symposium
1991	Can an alga distinguish between amphipod and urchin grazing? - Annual Meeting, Marine Benthic Ecology Meeting.
1988	Serine esterases of the yolk sac membrane - Biochemistry Symposium, Univ. of Kansas.

PROFESSIONAL ORGANIZATIONS

North America Benthological Society

Organization for Tropical Studies

Western Water Assessment

Rocky Mountain Hydrological Research Center

Association for tropical Biology (past member)

Ecological Society of America (past member)

OTHER INDICATORS OF SCHOLARSHIP

Submitted Proposals

2004	A University Course for Aquatic Resource Managers, Western Water Assessment, $24,000 requested, not funded.
2004	Design Of Urban Sustainable Infrastructure Engineering Systems: CU Denver’s Sustainable Youth Zone (SYZ) Project In Commerce City, Colorado (w/ Anu Ramaswami et al.), NSF, not funded.
2003	CAREER: Ecological Impacts of Damming, Diverting, and Polluting Western Rivers $629,570, NSF, not funded. To be resubmitted in July 2004
2003	Collaborative Research: Hydrogeomorphic Controls on Ecosystem Processes in a Western River (w/ WM Lewis and J Pitlick), $152,551, NSF, recommended for funding, but not funded. Resubmitted July 8, 2004.
2003	Mentoring for underrepresented groups in Environmental Biology (w/ D. Tomback, T. Roane, L. Bruederle, and M. Greene). UMEB NSF. Not funded.
2002	Effects of Macrophytes on the Structure and Function of Littoral Communities: Do Macrophyte Species Richness and Composition Matter? $ 351,343, NSF, not funded
2002	Collaborative Research: Hydrogeomorphic Controls on Ecosystem Processes Along a River Continuum (w/ WM Lewis and J Pitlick), $152,550 requested, NSF, not funded.
2001	Phytoremediation of MTBE using poplar trees(w/ Anu Ramuswami et al.), EPA, NSF, DOE, and ONR, requested ~$300k
2001	Influence of ultraviolet radiation and nutrient enrichment on alpine stream ecosystems, Global Change and Environmental Quality (GCEQ) Program, ~$2000 funded, UCD
2001	Influence of Macrophyte Species Richness On Littoral Communities, Sediment-Water Interactions, and Nutrient Dynamics, $ 436,470 requested, not funded
2000	Influence of Macrophyte Species Richness On Littoral Communities, Sediment-Water Interactions, and Nutrient Dynamics, $408,670 requested, not funded.
1998	RUI Research: Influence of Macrophytes and Plant Species Richness On Littoral Communities, Sediment-Water Interactions, and Nutrient Dynamics, $333,354 requested, NSF, not funded
1998	National Rivers Coalition, REI Seed Grant Program, $1000 requested, program terminated
1988	Ecosystem Health and Water Quality of Cherry Creek, Junior Faculty Development Program, UCD, funded
1996	The Roles of Aquatic Macrophytes in Maintaining Clear Water Lakes: Biogeochemical Processes, Littoral-Pelagic Links, and the Influence of Large Herbivores. CIRES Visiting Fellowship Program, U. Colorado. 1 yr. funded.
1995	Freshwater Plant-Herbivore-Predator Interactions: A Comparison of Temperate vs. Tropical North America.. NSF Postdoctoral Research Fellowship in Biosciences Related to the Environment. Very good rating, not funded.
1995	Aquatic macrophyte-herbivore interactions: relative importance of the macrophyte as food vs. habitat. REU supplement to David Lodge’s NSF grant. $5000 awarded.
1994	Feeding Preferences of Painted Turtles (Chrysemys picta) Among Aquatic Macrophytes: Proximal Cues Used in Feeding Decisions. REU supplement to David Lodge’s NSF grant. $5000 awarded.
1994	Feeding Habits of the Chrysomelid Beetle Galerucella nymphaeae: Can Protection From Predators Be an Ultimate Factor for Specializing on a Noxious Host? REU supplement to David Lodge’s NSF grant. $5000 awarded.
1993	In situ Quantification of Exudates from Chemically Defended Seaweeds. Sigma Xi. not funded.
1992	Effects of Environmental Factors on the Chemical Defenses of the Tropical Brown Alga Dictyota acutiloba. PADI. Honorable mention.
1989	Assessing the Cost of Secondary Metabolite Production in a Brown Alga. NSF Graduate Fellowship. Honorable mention.

SERVICE

International (including American journals with international scope)

2004	Proposal reviewer for the Swedish Foundation for Strategic Research, Individual Grant for the Advancement of Research Leaders, 6,000,000 SEK award competition
1998	Proposal reviewer for National Research Council of the UK
1995 - present	Manuscript reviewer (not every year, but have reviewed for each journal at least once) - Ecology, Ecological Monographs, Oecologia, Limnology and Oceanography, Coral Reefs, Functional Ecology, Marine and Freshwater Research, J. North American Benthological Society, J. Chemical Ecology, Marine Ecology Progress Series, Marine Biology, Marine Ecology, Arctic, Aquatic Living Resources, Botanica Marina, Entomologia Experimentalis et Applicata, J. Tropical Ecology, J. Phycology, International. J. Plant Scence, African Journal of Marine Science, Archiv für Hydrobiologie, C. Bronmark’s ‘The Biology of Lakes and Ponds”, Marine Chemical Ecology, and Springer Press

National

2004	Panel member, EPA's STAR Fellowship "Aquatic Systems Ecology", Washington, D.C.
2002	Panel member, EPA's STAR Fellowship "Aquatic Systems Ecology", Washington, D.C.
1998-present	Proposal reviewer, 10 proposals for NSF
1998-present	Proposal reviewer for EPA, NOAA, Minnesota DNR, New York Sea Grant, and the Research Corporation, University of Minnesota Agricultural Experiment Station

State

2004	Citizen Participation Group, Environmental Management System (EMS), Metro Wastewater Reclamation District
2002	Advisory Panel for the Chatfield Nature Preserve of the Denver Botanical Garden

Public

1998-present	Participant/Developer of Earthworks: Earth system science for secondary teachers, Cooperative Institute for Research in Environmental Sciences, University of Colorado at Boulder
2002	Journey Guide, Colorado Ocean Journey, Denver, CO
2001-present	Volunteer, MountainView Elementary School, Broomfield, CO

University

2002-Present	Commencement Marshal
2001	Sponsored two teachers through the E-2020 Program
1998-2003	Webmaster for aquatic sciences at the University of Colorado System http://cires.colorado.edu/waterweb/index.htm.

College

2003-present	CLAS Academics Ethics Committee
1999-present	MSES faculty advisory committee
1999-2003	Advisory committee of the Center for Environmental Sciences

Department

2004	Merit Evaluation Committee
2003	Mentoring Committee for Arlene Larson
2002-2003	Biology Outcomes Assessment Committee
2000-2003	Open-House Committee
2000	Teaching Evaluation Committee
1999-present	MSES curriculum committee