WILLIAM E. ROGERS, Ph.D.
Associate Professor
Department of Ecosystem Science and Management
Texas A&M University
2138 TAMU
College Station, TX 77843
Office room: ANIN 305, Lab rooms: ANIN 301, 303B, 309, 314 & 316
Office phone: (979) 845-0317
Office fax: (979) 845-6430
email: wer@tamu.edu
EDUCATION
Kansas State University. Manhattan, KS. Ph.D. (1998) Biology - Ecology Emphasis
Gustavus Adolphus College. St. Peter, MN. B.A. (1991) Biology & Chemistry
RESEARCH EXPERIENCE
September 2008-present. Associate Professor, Department of Ecosystem Science and Management, Texas A&M University, College Station, Texas.
June 2005-August 2008. Assistant Professor, Department of Ecosystem Science and Management (formerly Department of Rangeland Ecology and Management), Texas A&M University.
July 2003-May 2005. Faculty Fellow (grant-funded research faculty), Department of Ecology & Evolutionary Biology, Rice University, Houston, Texas.
July 1999-July 2003. Huxley Research Instructor (non-tenure track research and teaching faculty), Department of Ecology & Evolutionary Biology, Rice University, Houston, Texas.
January 1999-June 1999. Post-doctoral Research Assistant, Department of Ecology & Evolutionary Biology, Rice University, Houston, Texas. Advisor - Dr. Evan Siemann.
January 1993-December 1998. Graduate Research Assistant, Division of Biology, Kansas State University, Manhattan, Kansas. Ph.D. dissertation on “The Effects of Soil Disturbances in Tallgrass Prairie.” Advisor - Dr. David C. Hartnett.
September 1991- December 1992. Research Technician, Department of Biology, Gustavus Adolphus College, St. Peter, MN. Advisor - Dr. Timothy W. Sipe.
RESEARCH INTERESTS
Exotic plant invasions and post-introduction evolution
Conservation of rare and endemic plant species
Plant-animal interactions
Population dynamics and community structure of terrestrial ecosystems
Demographic processes and species diversity in plant communities
Natural disturbance and vegetation regeneration mechanisms
Ecological assembly rules
Autogenic restoration and rehabilitation of damaged ecosystems
FUNDED GRANT PROPOSALS
Total research funding (since 2000) = ~ $3 million received
2012 Co-PI (with Richard Teague and Urs Kreuter) Borlaug Institute for International Agriculture Howard G. Buffett Foundation/Texas AgriLife Research “Restoring Ecosystem Services and Enhancing Livelihoods on Degraded Rangelands in Southern Africa Through the Development of Appropriate Livestock Grazing Systems” $70,000.
2011-2012 Co-Investigator (w/ Fred Smeins), Brazos Valley Solid Waste Management Agency “Continuation of Interlocal Agreement Regarding Conservation Strategies for the Protection and Propagation of the Federally Endangered Orchid, Navasota Ladies Tresses (Spiranthes parksii).” $34,713.
2011 Principal Investigator (w/ Dirac Twidwell), The Rob & Bessie Welder Wildlife Foundation, “Continuation of Studies Investigating the Ecological Effects of Prescribed Extreme Fires in a Coastal Prairie Ecosystem.” $9,600.
2010-2012 Co-Investigator (w/ Jason B. West and Bob Lyons). Wintergarden Groundwater Conservation District, “Effects of mechanical brush removal and fire on plant community dynamics and distributed recharge of the Carizzo-Wilcox aquifer.” $209,407.
2010-2012 Co-Investigator (w/ Fred Smeins, Bob Lyons, Wayne Hanselka and Josh McGinty), DuPont Crop Protection and Land Management Services, “A New Herbicide for Managing Woody Encroachment in South Texas: Rate and Season of Application of Aminocyclopyrachlor on the Control of Acacia farnesiana and Prosopis glandulosa.” $56,000.
2010‑2013 Co‑PI (w/ PI-Kostya Krutovsky and 10 other TAMU faculty) United States Department of Agriculture‑National Needs Initiative. "A Graduate Program in Forest Resources: Developing Integrated Expertise in Forest Resource, Management, Conservation, and Restoration." $234,000 (plus $78,000 in matching funds to support additional student fellowships).
2007-2010 Principal Investigator (w/ Urs Kreuter) United States Department of Agriculture-National Resources Conservation Service, Conservation Innovation Grant, “Using hot summer fire to control Opuntia cacti: an innovative approach to resolving a pressing environmental issue.” $73,697.
2006-2011 Principal Investigator (w/ Fred Smeins), BVSWMA & USFWS “Conservation Strategies for the Protection and Propagation of the Federally Endangered Orchid, Navasota Ladies Tresses (Spiranthes parksii).” $384,262.
2005-2009 Co-PI (w/ Urs Kreuter, Richard Teague, Richard Conner, Lynn Drawe, Allen Rasmussen & Butch Taylor), United States Department of Agriculture-National Resources Conservation Service, EQIP “Ecological, economic and social dimensions of using summer fire to restore ecosystems in the southern plains of the USA.” $376,534.
2004-2005 Principal Investigator (w/ Evan Siemann & Dale Sawyer), Shell Center for Sustainability “Invasive species control in floodplain forests: seeking a economically viable means of conserving native biodiversity.” $35,000.
2004 Co-PI (w/ Evan Siemann), National Science Foundation REU grant “Do genetic differences in growth and defense contribute to the success of an invasive plant species?” $7,775.
2003-2005 Co-PI (w/ Evan Siemann), National Science Foundation DEB-0315796, “Do genetic differences in growth and defense contribute to the success of an invasive plant species?” $390,000.
2003-2005 Co-PI (w/ Evan Siemann), United States Department of Agriculture - NRI / Biology of Weedy and Invasive Plants “Does herbivory on an invasive tree species along a biogeographic gradient depend on time since introduction?” $195,001.
2002 Co-PI (w/ Evan Siemann), National Science Foundation REU grant “Does lack of herbivory and disease explain the success of an alien plant.” $6,000.
2002 Co-PI (w/ Evan Siemann), National Park Service award to monitor floodplain forest regeneration dynamics following removal of an invasive tree species. $10,000.
2001-2005 Co-PI (w/Evan Siemann & Jim Grace), Environmental Protection Agency, NCER-STAR “Chinese Tallow invasions into the endangered coastal prairie.” $381,687.
2001 Co-PI (w/ Evan Siemann), National Science Foundation REU grant “Does lack of herbivory and disease explain the success of an alien plant species.” $6,000.
2000-2004 Co-PI (w/ Evan Siemann), National Science Foundation DEB-9981654, “Does lack of herbivory and disease explain the success of an alien plant species.” $290,788.
2000-2004 Co-PI (with Paul Harcombe & Evan Siemann), National Park Service “Vascular Plant Inventory of the Big Thicket National Preserve.” $117,000.
2000-2001 Co-PI (w/ Evan Siemann), National Park Service grant to assess the impacts of feral hogs on forest regeneration dynamics. $2,500.
2000 Co-PI (w/ Evan Siemann), National Science Foundation REU grant “Does lack of herbivory and disease explain the success of an alien plant species. $5,000.
2000-2001 Co-PI (w/ Evan Siemann), National Park Service “Removing Chinese tallow trees: methods of control in floodplain forests.” $40,000.
PUBLICATIONS
Number of peer-reviewed publications to date: 49
Number of peer-reviewed book chapters to date: 2
Number of extension publications to date: 1
2012
Wang, Hsiao-Hsuan, William E. Grant, Jianbang Gan, William E. Rogers, Todd M. Swannack, Tomasz E. Koralewski, James H. Miller & John W. Taylor Jr (2012) Integrating spread dynamics and economics of timber production to manage Chinese tallow invasions in southern U.S. forestlands. PLoS One 7(3):e33877. DOI: 10.1371/journal.pone.0033877 (pdf)
Park, Isaac, Saara J. DeWalt, Evan Siemann & William E. Rogers (2012) Differences in cold hardiness between introduced populations of an invasive tree. Biological Invasions BINV2378. DOI 10.1007/s10530-012-0209-x (pdf)
Twidwell†, Dirac, William E. Rogers, Elizabeth A. McMahon*, Bryce R. Thomas†, Urs P. Kreuter & Terry Blankenship (2012) Prescribed extreme fire effects on richness and invasion in coastal prairie. Invasive Plant Science and Management IPSM-D-12-00017 (doi: 10.1614/IPSM-D-12-00017.1).
Twidwell†, Dirac, Jennifer M. Meza*, Charles J. Turney* & William E. Rogers (accepted) Does prescribed fire facilitate fire ant invasions in coastal prairies or aid management efforts by improving mound search efforts? Southeastern Naturalist.
Timmons, Jared B., Blake Alldredge†, William E. Rogers & James C. Cathey (2012) Feral hogs negatively affect native plant communities. Texas AgriLife Extension – Texas A&M System Publication SP-467, 9pp. (pdf)
2011
DeWalt, Saara J., Evan Siemann & William E. Rogers (2011) Geographic distribution of genetic variation among native and introduced populations of Chinese tallow tree, Triadica sebifera (Euphorbiaceae). American Journal of Botany 98:1128-1138. (pdf)
Wang, Hsiao-Hsuan, William E. Grant, Todd M. Swannack, Jianbang Gan, William E. Rogers, Tomasz E. Koralewski, James H. Miller & John W. Taylor Jr. (2011) Predicted range expansion of Chinese tallow tree (Triadica sebifera) in forestlands of the southern United States. Diversity and Distributions 17:552-565. (pdf) (supporting information)
2010
Hartley†, Maria K., William E. Rogers & Evan Siemann (2010) Comparisons of arthropod assemblages on an invasive and native trees: abundance, diversity and damage. Arthropod-Plant Interactions 4:237-245. (pdf)
Hammons†, J Ryan, Fred E. Smeins & William E. Rogers (2010) Transplant methods for the endangered orchid, Spiranthes parksii Correll. North American Native Orchid Journal 16:38-46. (pdf)
Nijjer†, Somereet, William E. Rogers & Evan Siemann (2010) Impacts of fertilization on mycorrhizal production and investment in Western Gulf Coast Grasslands. American Midland Naturalist 163:124-133. (pdf)
2009
Siemann, E, Juli A. Carrillo†, Christopher A. Gabler†, Roy Zipp & William E. Rogers (2009) Experimental test of the impacts of feral hogs on forest dynamics and processes in the southeastern US. Forest Ecology and Management 258:546-553. (pdf)
Zou†, Jianwen, William E. Rogers & Evan Siemann (2009) Plasticity of Sapium sebiferum seedling growth to light and water resources: inter- and intraspecific comparisons. Basic and Applied Ecology: 10:79-88. (pdf)
2008
Zou†, Jianwen, Evan Siemann, William E. Rogers & Saara J. DeWalt (2008) Decreased resistance and increased tolerance to native herbivores of the invasive plant Sapium sebiferum. Ecography 31:663-671. (pdf)
Rúa*, Megan A., Somereet Nijjer†, Amy Johnson†, William E. Rogers & Evan Siemann (2008) Experimental approaches to test allelopathy: A case study using the invader Sapium sebiferum. Allelopathy Journal 22:1-14. (pdf)
Zou†, Jianwen, William E. Rogers & Evan Siemann (2008) Increased competitive ability and herbivory tolerance of the invasive plant Sapium sebiferum. Biological Invasions 10:291-302. (pdf)
Nijjer†, Somereet, William E. Rogers, Cin-Ty A. Lee & Evan Siemann (2008) The effects of soil biota and fertilization on the success of Sapium sebiferum. Applied Soil Ecology 38:1-11. (pdf)
2007
Nijjer†, Somereet, William E. Rogers & Evan Siemann (2007) Negative plant-soil feedbacks may limit persistence of an invasive tree due to rapid accumulation of soil pathogens. Proceedings of the Royal Society B: Biological Sciences 274:2621-2627. (pdf)
Siemann, Evan, William E. Rogers & James B. Grace (2007) Effects of nutrient loading and changing frequencies of extreme rainfall events on coastal tall grass prairies: invasion intensity, vegetation responses and C and N distribution. Global Change Biology 13:2184-2192. (pdf)
Zou†, Jianwen, William E. Rogers & Evan Siemann (2007) Differences in morphological and physiological traits between native and invasive populations of Sapium sebiferum. Functional Ecology 21:721-730. (pdf)
Siemann, Evan, & William E. Rogers (2007) The role of soil resources in an exotic tree invasion in Texas coastal prairie. Journal of Ecology 95:689-697. (pdf)
Hartley†, Maria K., William E. Rogers, James B. Grace & Evan Siemann (2007) Responses of prairie arthropod communities to fire and fertilizer: balancing plant and arthropod conservation. American Midland Naturalist 157: 92-105. (pdf)
2006
Siemann, Evan, William E. Rogers & Saara DeWalt (2006) Rapid adaptation of insect herbivores to an invasive plant. Proceedings of the Royal Society B: Biological Sciences. 273:2763-2769. (pdf)
Zou†, Jianwen, William E. Rogers, Saara J. DeWalt & Evan Siemann (2006) Chinese tallow tree (Sapium sebiferum) ecotype effects on ecosystem carbon and nitrogen processes. Oecologia 150:272-281. (pdf)
Dewalt, Saara J., William E. Rogers & Evan Siemann (2006) Microsatellite markers for an invasive tetraploid tree, Chinese Tallow (Triadica sebifera). Molecular Ecology Notes 6: 505-507. (pdf)
Donahue†, Candice, William E. Rogers & Evan Siemann (2006) Restoring an invaded prairie by mulching live Sapium sebiferm (Chinese tallow trees):Effects of mulch on Sapium seed germination. Natural Areas Journal 26:244-253. (pdf)
Siemann, Evan, & William E. Rogers (2006) Recruitment limitation, seedling performance and persistence of exotic tree monocultures. Biological Invasions 8:979-991. (pdf)
2005
Rogers, William E., & Evan Siemann (2005) Herbivory tolerance and compensatory differences in native and invasive ecotypes of Chinese tallow tree (Sapium sebiferum). Plant Ecology 181:57-68. (pdf)
Bossdorf, Oliver, Harald Auge, Lucile LaFuma, William E. Rogers, Evan Siemann & Daniel Prati (2005) Phenotypic and genetic differentiation in native versus introduced plant populations. Oecologia 144:1-11. (pdf)
Romañach†, Stephanie S., Eric W. Seabloom, O. James Reichman, William E. Rogers & Guy N. Cameron (2005) Effects of species, gender, age, and habitat on pocket gopher burrow geometry. Journal of Mammalogy 86:750-756. (pdf)
2004
Rogers, William E., & Evan Siemann (2004) Invasive ecotypes tolerate herbivory more effectively than native ecotypes of the Chinese tallow tree. Journal of Applied Ecology 41:561-570. (pdf)
Rogers, William E., & Evan Siemann (2004) The role of herbivores in alien plant invasions: insights using a combination of methods to enhance or reduce herbivory. Pp. 329-355 in: Insects and Ecosystem Function. Siemann, E. & W. Weisser (eds.). Springer-Verlag, Berlin. (pdf) & (galley proof corrections)
Siemann, Evan, Walter P. Carson, William E. Rogers & Wolfgang W. Weisser (2004) Reducing herbivory using insecticides. Pp. 303-327 in: Insects and Ecosystem Function. Siemann, E. & W. W. Weisser (eds.). Springer-Verlag, Berlin.
Lankau*, Richard A., William E. Rogers & Evan Siemann (2004) Constraints on the utilisation of the invasive Chinese Tallow Tree (Sapium sebiferum) by generalist native herbivores in coastal prairies. Ecological Entomology 29:66-75. (pdf)
Butterfield*, Bradley J., William E. Rogers & Evan Siemann (2004) Growth of Chinese tallow tree (Sapium sebiferum) and four native trees under varying water regimes. Texas Journal of Science 56:335-346. (pdf)
Donahue†, Candice, William E. Rogers & Evan Siemann (2004) Effects of Sapium sebiferum (Chinese tallow tree) mulch on seed germination: restoring an invaded prairie. Texas Journal of Science 56:347-356. (pdf)
Nijjer†, Somereet, William E. Rogers & Evan Siemann (2004) The effect of mycorrhizal inoculum on the growth of five native tree species and the invasive Chinese Tallow Tree (Sapium sebiferum). Texas Journal of Science 56:357-368. (pdf)
Hartley†, Maria K., Saara DeWalt, William E. Rogers & Evan Siemann (2004) A comparison of arthropod assemblages on native trees versus the introduced Chinese tallow tree (Sapium sebiferum). Texas Journal of Science 56:369-382. (pdf)
2003
Rogers, William E., & Evan Siemann (2003) Effects of simulated herbivory and resources on Chinese tallow tree (Sapium sebiferum, Euphorbiaceae) invasion of native coastal prairie. American Journal of Botany 90:241-247. (pdf)
Rogers, William E., Evan Siemann & Richard Lankau* (2003) Damage induced production of extrafloral nectaries in native and introduced seedlings of Chinese tallow tree (Sapium sebiferum). American Midland Naturalist 149:413-417. (pdf)
Siemann, Evan, & William E. Rogers (2003) Herbivory, disease, recruitment limitation and the success of alien and native tree species. Ecology 84:1489-1505. (pdf)
Siemann, Evan, & William E. Rogers (2003) Reduced resistance of invasive varieties of the alien tree Sapium sebiferum to a generalist herbivore. Oecologia 135:451-457. (pdf)
Siemann, Evan, & William E. Rogers (2003) Increased competitive ability of an invasive tree may be limited by an invasive beetle. Ecological Applications 13:1503-1507. (pdf)
Siemann, Evan, & William E. Rogers (2003) Changes in light and nitrogen availability under pioneer trees may indirectly facilitate tree invasions of grasslands. Journal of Ecology 91:923-931. (pdf)
2002
Rogers, William E., & Evan Siemann (2002) Effects of simulated herbivory and resource availability on native and invasive exotic tree seedlings. Basic and Applied Ecology 3:297-307. (pdf)
Nijjer*, Somereet, Richard A. Lankau*, William E. Rogers & Evan Siemann (2002) Effects of temperature and light on Chinese tallow (Sapium sebiferum) and Texas Sugarberry (Celtis laevigata) seed germination. Texas Journal of Science 54:63-68. (pdf)
2001
Rogers, William E., & David C. Hartnett (2001) Temporal vegetation dynamics and recolonization mechanisms on different-sized disturbances in tallgrass prairie. American Journal of Botany 88:1634-1642. (pdf)
Rogers, William E., & David C. Hartnett (2001) Vegetation responses to different spatial patterns of soil disturbance in burned and unburned tallgrass prairie. Plant Ecology 155:99-109. (pdf)
Rogers, William E., David C. Hartnett & Bradley Elder (2001) Effects of plains pocket gopher (Geomys bursarius) disturbances on tallgrass-prairie plant community structure. American Midland Naturalist 145:344-357. (pdf)
Siemann, Evan, & William E. Rogers (2001) Genetic differences in growth of an invasive tree species. Ecology Letters 4:514-518. (pdf)
2000
Rogers, William E., Somereet Nijjer*, Carrie L. Smith* & Evan Siemann (2000) Effects of resources and herbivory on leaf morphology and physiology of Chinese tallow (Sapium sebiferum) tree seedlings. Texas Journal of Science 52S:43-56. (pdf)
Keay*, June, William E. Rogers, Richard Lankau* & Evan Siemann (2000) The role of allelopathy in invasion of Chinese tallow tree (Sapium sebiferum). Texas Journal of Science 52S:57-64. (pdf)
(* Undergraduate student contribution ; † Graduate student contribution )
INVITED AND MEETING PRESENTATIONS: 107 to date
Most Recent:
2011. Ecological Society of America 96th Annual Meeting, Austin, TX. Invited Talk – “Applying prescribed extreme fire within a resilience framework to help stakeholders adapt to changing rangeland environments.” Dirac Twidwell†, William E. Rogers & Charles A. Taylor, Jr.
2011. Ecological Society of America 96th Annual Meeting, Austin, TX. Contributed Poster – “Using prescribed extreme fire for coastal prairie restoration: effects on species richness and invasion.” William E. Rogers, Dirac Twidwell†, Elizabeth A. McMahon*, Bryce R. Thomas†, Urs P. Kreuter & Terry L. Blankenship.
2011. Ecological Society of America 96th Annual Meeting, Austin, TX. Contributed Talk - “Predicted range expansion of Chinese tallow tree (Triadica sebifera) in forestlands of the southern United States.” Hsiaohsuan Wang, William E Grant, Todd M. Swannack, Jianbang Gan, William E. Rogers, Tomasz E. Koralewski, James H. Miller & John W. Taylor, Jr.
2011. Ecological Society of America 96th Annual Meeting, Austin, TX. Contributed Talk – Fire-induced divergence of the lifecycle of an endangered terrestrial orchid (Spirantheses parksii Correll). Carissa L. Wonkka†, William E. Rogers, Fred E. Smeins & Dirac Twidwell†.
2011. Welder Wildlife Student Symposium, Sinton, TX. Invited Talk – “Prairie and savanna restoration with controlled wildfire.” Dirac Twidwell & William E. Rogers.
2011. Grasslands in a Global Context – Konza Prairie Anniversary Symposium, Manhattan, KS. Contributed Poster – “Reducing prickly pear encroachment with prescribed fire.” Gabriela Sosa†, William E. Rogers & Charles A. Taylor, Jr.
2011. West Gulf Coastal Plain and Big Thicket Science Conference, Nacogdoches, TX. Contributed Talk - “Restoring west Gulf coastal prairies using prescribed extreme fires.” William E. Rogers, Dirac Twidwell† & Terry L. Blankenship.
2011. West Gulf Coastal Plain and Big Thicket Science Conference, Nacogdoches, TX. Contributed Talk - “Alien fire ant and native harvester ant responses to coastal prairie restoration with fire.” Dirac Twidwell†, Jennifer M. Meza*, C. Jack Turney* & William E. Rogers.
2011. Department of Geography, Texas A&M University – Invited Seminar, “The causes and consequences of Chinese tallow tree invasions in North America.”
2011. Society of Range Management Annual Meeting, Billings, MT. Contributed Talk - “Moving Beyond the Myths and Traditions of Fire Behavior in Rangelands.” Dirac Twidwell†, William E. Rogers, Samuel Fuhlendorf, Charles Taylor, Jr., David Engle.
2011. Society of Range Management Annual Meeting, Billings, MT. Contributed Talk - “Conquering Social and Ecological Fire Thresholds to Empower and Equip Ranchers to Manage Rangelands.” Charles A. Taylor, Jr., Dirac Twidwell†, William E. Rogers.
2011. Society of Range Management Annual Meeting, Billings, MT. Contributed Talk - “Herbivore effects on life-stage transitions of an endangered orchid, Spiranthes parksii Correll.” Carissa L. Wonkka†, William E. Rogers, Fred E. Smeins, and Dirac Twidwell†.
2010. Applied Biodiversity Science Program, Texas A&M University – Invited Seminar - “A decade of investigating Chinese tallow tree invasions in North America: what have we learned and where do we go from here?”
2010. USDA-AFRI Regional CAP Planning Grant Meeting, Arlington, TX. Invited Talk - “Using prescribed extreme fire to restore degraded rangelands in the Edwards Plateau region.”
2010. Ecological Society of America 95th Annual Meeting, Pittsburgh, PA, “Experimental manipulation of biotic and abiotic factors to determine their implications for conservation of an endangered endemic orchid (Spiranthes parksii)” Carissa L. Wonkka†, William E. Rogers, Dirac Twidwell†, Sarah J. Haller†, Fred E. Smeins, and J. Ryan Hammons†.
2010. Ecological Society of America 95th Annual Meeting, Pittsburgh, PA. Contributed Talk - “Using prescribed extreme fire to collapse and restore ecological systems: the benefits of quantifying resilience.” Dirac Twidwell†, William E. Rogers, Samuel D. Fuhlendorf, and Charles A. Taylor, Jr.
2010. Ecological Society of America 95th Annual Meeting, Pittsburgh, PA. Contributed Talk - “Restoring shrub invaded rangelands with prescribed extreme fire.” William E. Rogers, Dirac Twidwell†, Gabriela Sosa†, and Charles A. Taylor, Jr.
2010. Ecological Society of America 95th Annual Meeting, Pittsburgh, PA. Contributed Poster - “PhD-instructed undergraduate research: more than an undergraduate education and doctoral dissertation.” Dirac Twidwell†, William E. Rogers, & Steven G. Whisenant
2010. Society of Range Management-Weed Science Society of America Joint Meeting, Denver, CO. Invited Talk - “Prescribed extreme fire for restoring Texas rangelands degraded by persistent invasive plants.” William E. Rogers, Dirac Twidwell†, Gabriela Sosa†, Charles A. Taylor.
2010. Student Research Week-Ecological Integration Symposium, College Station, TX. Contributed Poster - “Restoring a Degraded Rangeland: Examining the effects of seasonality and herbivory on Opuntia Cacti Management.” Gabriela Sosa†, William E. Rogers, Dirac Twidwell† and Charles A. Taylor, Jr. Second Place Poster Winner.
2009. University of Texas‑San Antonio. Invited Talk - "Restoring habitats degraded by an invasive alien tree species: an experimental approach." William E. Rogers.
2009. Society of Range Management meeting, Albuquerque, NM. Contributed Poster - "Ecological and social resilience in fire dependent systems: a preview." Dirac Twidwell†, William E. Rogers, Samuel D. Fuhlendorf, Charles A. Taylor, Jr. & Urs P. Kreuter.
2009. Society of Range Management meeting, Albuquerque, NM. Contributed Talk - "Prescribed fire impacts on red imported fire ant (Solenopsis invicta) densities across three ecoregions in Texas." Charles J. Turney*, Dirac Twidwell†, & William E. Rogers.
2009. Society of Range Management meeting, Albuquerque, NM. Contributed Talk - "Ecological, economic, and social dimensions of using summer fire to restore ecosystems in the southern plains of the US. Urs Kreuter, W. Richard Teague, William E. Rogers, C. A. Taylor Jr. & D. Lynn Drawe.
2009. 94th Annual Ecological Society of America Meeting, Albuquerque, New Mexico. "Evaluating cross‑scale resilience of an invaded savanna using field‑based pulsed lidar." Alfredo Delgado*, Dirac Twidwell†, Robert A. Washington‑Allen, William E. Rogers, and Sorin C. Popescu.
2009. 94th Annual Ecological Society of America Meeting, Albuquerque, New Mexico. "Interactive effects of soil resources and light availability on the establishment and growth of an endangered orchid, Navasota Ladies' Tresses (Spiranthes parksii)" Sarah J. Haller†, William E. Rogers, Fred E. Smeins, and Carissa L. Wonkka†.
2009. 94th Annual Ecological Society of America Meeting, Albuquerque, New Mexico. "Predicting the cyclic collapse between grassland and juniper woodland." Dirac Twidwell†, William E. Rogers, Samuel D. Fuhlendorf, Charles A. Taylor Jr., and Urs P. Kreuter.
2009. 94th Annual Ecological Society of America Meeting, Albuquerque, New Mexico. Small threats, big challenges: Using prescribed fire to locate and manage for fire ant (Solenopsis invicta) invasion in Texas." Charles J. Turney*, Dirac Twidwell†, and William E. Rogers.
2009. 94th Annual Ecological Society of America Meeting, Albuquerque, New Mexico. "The effects of fire and herbivory on an endangered endemic orchid, Navasota ladies tresses (Spiranthes parksii)." Carissa L. Wonkka†, William E. Rogers, and Dirac Twidwell†.
2009. 19th Conference of the Society for Ecological Restoration International, Perth, Australia. "Using extreme fire to restore ecosystems in the southern plains: an ecological, economic and social evaluation." Urs P. Kreuter, W. Richard Teague, J. Richard Conner, William E. Rogers, Charles Taylor, Jr.
2009. 19th Conference of the Society for Ecological Restoration International, Perth, Australia. "Overcoming ecological and social resilience to restore fire dependent systems." Dirac Twidwell†, William E. Rogers, Samuel D. Fuhlendorf, Charles A. Taylor, Jr. and Urs P. Kreuter. Awarded Best Student Oral Presentation.
2009. 19th Conference of the Society for Ecological Restoration International, Perth, Australia. Restoring a degraded rangeland: using fire and herbivory to control Opuntia cacti encroachment." Gabriela Sosa†, William E. Rogers, Charles A. Taylor, Jr., and Dirac Twidwell†.
2009. 19th Conference of the Society for Ecological Restoration International, Perth, Australia. "Woody shrub encroachment limits the establishment of an endangered orchid, Navasota Ladies' Tresses (Spiranthes parksii): restoration strategies for Texas post oak savanna." William E. Rogers, Sarah Haller†, Ryan Hammons†, Fred E. Smeins, and Carissa L. Wonkka†.
2009. Fall meeting of the American Geophysical Union, San Francisco, CA. "Undergraduate Research Experiences in Support of Dryland Monitoring: Field and Satellite Remote Sensing of Change in Savanna Structure, Biomass, and Carbon after Prescribed Fires." Robert A. Washington‑Allen, Dirac Twidwell†, Vincent P. Mendieta†, Alfredo Delgado*, Brett Redman, Winston Trollope, Lynne Trollope, Navashni Govender, Izak Smit, Sorin Popescu, Chris de Bruno Austin, William E. Rogers, and Matt C. Reeves.
2009. Silvilaser the 9th international conference on lidar applications for assessing forest ecosystems, College Station, TX. "Undergraduate Research Experiences in Support of Dryland Monitoring: Field and Satellite Remote Sensing of Change in Savanna Structure, Biomass, and Carbon after Prescribed Fires." Robert A. Washington‑Allen, Dirac Twidwell†, Vincent P. Mendieta†, Alfredo Delgado*, Brett Redman, Winston Trollope, Lynne Trollope, Navashni Govender, Izak Smit, Sorin Popescu, Chris de Bruno Austin, William E. Rogers, and Matt C. Reeves.
2009. 10th Annual Ecological Integration Symposium. College Station, TX. "Ecological and social resilience in fire dependent systems: a preview." Dirac Twidwell†, William E. Rogers, Samuel D. Fuhlendorf, CharlesA. Taylor, Jr., Urs P. Kreuter. Best graduate presentation ‑ 2nd place poster.
2009. 10th Annual Ecological Integration Symposium. College Station, TX. "The effects of fire and herbivory on an endangered endemic orchid, Navasota Ladies Tresses (Spiranthes parksii)." Carissa L. Wonkka†, William E. Rogers, Dirac Twidwell†. Best graduate presentation ‑ 1st place poster.
2009. 12th Annual TAMU Student Research Week, College Station, TX. "Prescribed fire as a management tool to prevent Opuntia cacti encroachment." Gabriela Sosa†, William E. Rogers, Dirac Twidwell† and Charles A. Taylor, Jr.
2009. Texas Plant Conservation Conference, Austin, TX. "In situ seed germination and mycorrhizal associations of the endangered orchid Spiranthes parksii." Martha C. Ariza†, J. Ryan Hammons†, William E. Rogers, and Fred E. Smeins.
2009. Texas Plant Conservation Conference, Austin, TX. "Demographics, life history, and transplantation methods for an endangerted orchid endemic to texas, Navasota ladies' tresses (Spiranthes parksii Correll)." J. Ryan Hammons†, Fred E. Smeins, and William E. Rogers.
(* Undergraduate student contribution; † Graduate student contribution)
GRADUATE STUDENT SUPERVISORY COMMITTEES
|
Currently Active Students |
Dates |
Institution |
Dept |
Degree |
|
Major (co-*)Advisor |
|
|
|
|
|
Carissa Wonkka* |
2010-present |
Texas A&M |
ESSM |
PhD student |
|
Martha Ariza |
2009-present |
Texas A&M |
ESSM |
PhD candidate |
|
Gabriela Sosa |
2009-present |
Texas A&M |
ESSM |
PhD student |
|
Bryce Thomas |
2009-present |
Texas A&M |
ESSM |
MS student |
|
Sarah Haller |
2006-present |
Texas A&M |
ESSM |
MS student |
|
Nicole Ortiz |
2012-present |
Texas A&M |
ESSM |
MS student |
|
Matthew Jackson |
2009-present |
Texas A&M |
ESSM |
MNRD student |
|
Michele Clark* |
2012-present |
Texas A&M |
ESSM |
MS student |
|
|
|
|
|
|
|
Committee Member |
||||
|
Dale Kruse |
2005-present |
Texas A&M |
ESSM |
PhD student |
|
Dan Leavitt |
2008-present |
Texas A&M |
WFSC |
PhD candidate |
|
Jonathan King |
2008-present |
Texas A&M |
ENTO |
MS student |
|
Paul Lenhart |
2009-present |
Texas A&M |
ENTO |
PhD candidate |
|
David Toledo |
2008-present |
Texas A&M |
ESSM |
PhD candidate |
|
Chris Labosier |
2010‑present |
Texas A&M |
GEOG |
PhD candidate |
|
Ashley Long |
2011-present |
Texas A&M |
WFSC |
PhD student |
|
Michael Neisch |
2011-present |
Texas A&M |
WFSC |
MS student |
|
Collin McMichael |
2011-present |
Texas A&M |
ENTO |
PhD student |
|
Zach Hurst |
2011-present |
Texas A&M |
ESSM |
PhD student |
|
Casey Riggs |
2011-present |
Texas A&M |
ANTH |
Non-thesis MS |
|
Austin Richards |
2011-present |
Texas A&M |
ESSM |
MS student |
|
Richard Bruton |
2011-present |
Texas A&M |
ESSM |
MS student |
|
Cameron Brademan |
2012-present |
Texas A&M |
ESSM |
MNRD student |
|
|
|
|
|
|
|
Past Students with Degrees |
Dates |
Institution |
Dept |
Degree |
|
Major (co-*)advisor |
|
|
|
|
|
Somereet Nijjer* |
2002-2006 |
Rice University |
EEB |
PhD 2006 |
|
Gabriela Sosa |
2007‑2009 |
Texas A&M |
ESSM |
MS thesis 2009 |
|
Carissa Wonkka |
2008-2010 |
Texas A&M |
ESSM |
MS thesis 2010 |
|
2006-2012 |
Texas A&M |
ESSM |
PhD 2012 |
|
|
Joshua McGinty* |
2010-2012 |
Texas A&M |
ESSM |
MS thesis 2012 |
|
W. Tyler Jones |
2009-2012 |
Texas A&M |
ESSM |
MNRD 2012 |
|
|
|
|
|
|
|
|
|
|
|
|
|
Committee Member |
|
|
|
|
|
Maria Hartley |
2000-2002 |
Rice University |
EEB |
MS 2002 |
|
Candice Donahue |
2002-2004 |
Rice University |
EEB |
MA thesis 2004 |
|
Maria Hartley |
2002-2006 |
Rice University |
EEB |
PhD 2006 |
|
Jianwen Zou |
2003-2005 |
Rice University |
EEB |
PhD 2007 |
|
Shannon Farrell |
2005-2007 |
Texas A&M |
WFSC |
MS thesis 2007 |
|
Nicole Smolensky |
2008 |
Texas A&M |
WFSC |
MS thesis 2008 |
|
J. Ryan Hammons |
2006‑2008 |
Texas A&M |
ESSM |
MS thesis 2008 |
|
Trevor Knight |
2005-2009 |
Texas A&M |
WFSC |
MS thesis 2009 |
|
Christopher Lituma |
2006-2009 |
Texas A&M |
WFSC |
MS thesis 2009 |
|
Emily Marquardt |
2004-2009 |
Univ of Houston |
BIOL |
PhD 2009 |
|
Tara Conkling |
2008-2010 |
Texas A&M |
WFSC |
MS thesis 2010 |
|
Melissa Lackey |
2008-2010 |
Texas A&M |
WFSC |
MS thesis 2010 |
|
Terri Pope |
2008-2011 |
Texas A&M |
WFSC |
PhD 2011 |
|
Melinda Barnes |
2011-2012 |
Texas A&M |
ESSM |
MNRD 2012 |
CURRENT TEACHING
RLEM 416/ ESSM 626 Fire and Natural Resource Management (3 credits - lecture), Fall Semesters, graduate & undergraduate offering. Co-taught with Dirac Twidwell.
RLEM 320 Terrestrial Landscape Restoration (2 credits - lecture), Spring Semesters.
RLEM 321 Field Studies in Ecological Restoration (1 credit - lab), Spring Semesters.
RLEM 430 Advanced Restoration Ecology (3 credits - lecture/writing intensive), Spring Semesters. Co-taught with Georgianne Moore.
RENR 400/RLEM 485 Study Abroad in Natural Resources: The Ecological and Human Dimensions of Biodiversity, Conservation, and Nature-based Tourism in Southern Africa. Summer 2012. Co-taught with Urs Kreuter & Amanda Stronza
RLEM 484 Undergraduate Internship (various), Ongoing year-round.
RLEM 485/685 Graduate and Undergraduate Directed Studies Research (various), Ongoing year-round.
RLEM 681 ESSM Departmental Seminar Series (1 credit) – Spring 2006, Fall 2011
RLEM 691 Graduate Research Instruction (various), Ongoing year-round.
PROFESSIONAL ACTIVITIES
Associate Editor - Plant Ecology (An International Journal)
Peer-reviewed for over 30 scientific journals, publishers and funding agencies
Texas A&M Affiliations:
Applied Biodiversity Science Program – Selection Committee & Participating Faculty
Interdisciplinary Research Program in Ecology and Evolutionary Biology – Executive Committee Member, Seminar Committee Chair
Student Guild for the Society for Ecological Restoration – Faculty Advisor
Hispanic Leadership Program in Agriculture and Natural Resources - Participating Faculty
Alfred P. Sloan Foundation Minority PhD Program - Participating Faculty
ESSM Tenure and Promotion Committee
ESSM Undergraduate Curriculum Leadership Team
ESSM Science Core Curriculum sub-committee
ESSM Management Core Curriculum sub-committee
ESSM Scholarship Committee
ESSM Graduate Curriculum Committee
Memberships in Professional Societies:
Society for Ecological Restoration