Landscape Architect
October 2023
RDG Planning and Design
Des Moines, Iowa 50312
Firm Associate | Research and Metrics
August 2022 - October 2023
Genus Landscape Architects
Des Moines, Iowa 50312
Assistant Professor
17 September 2018 – 30 June 2022
Department of Horticulture
Iowa State University
Position Responsibilities: 70% Teaching, 30% Research
Ph.D., Horticultural Biology
August, 2018
School of Integrative Plant Sciences, Horticulture Section
Cornell University, Ithaca, NY
Dissertation: Implications of land-use legacy on soil microbiomes of urban grasslands
Major Professor: Jenny T. Kao-Kniffin
Graduation Student Marshall, Ph.D. Graduate Students
M.S., Horticultural Biology
August, 2014
School of Integrative Plant Sciences, Horticulture Section
Cornell University, Ithaca, NY
Thesis: Applying biodiversity and ecosystem function theory to urban grassland management
Major Professor: Jenny T. Kao-Kniffin
B.S. Horticulture
December, 2007, magna cum laude with honors
Department of Horticulture
Iowa State University
Ames, IA
Advisor: Ann Marie VanDerZanden
Graduation Student Marshall, College of Agriculture and Life Sciences
B.S. Landscape Architecture
December, 2007, magna cum laude with honors
Department of Landscape Architecture
Iowa State University
Ames, IA
Advisor: Michael Martin
License
Professional Landscape Architect, State of Iowa, No. 00584 (2011-current)
††graduate student advisee; ††† undergraduate research mentee
King WL, Kaminsky LM†††, Thompson GL, Kao-Kniffin J, Bell TH. Soil salinization accelerates microbiome stabilization in iterative selections for plant performance. New Phytologist. https://doi.org/10.1111/nph.17774
Zheng T, Xie H, Thompson GL, Bao X, Deng F, Yan E, Zhou X, Liang C. (2021). Shifts in microbial metabolic pathway for soil carbon accumulation along subtropical forest succession. Soil Biology and Biochemistry. https://doi.org/10.1016/j.soilbio.2021.108335
Thompson GL, McCombs, A, Jansen, MD††. (2021). Relationships between consultant discipline and specified tree diversity: A case study of two Iowa (USA) communities. Urban Forestry & Urban Greening. 62:127183. https://doi.org/10.1016/j.ufug.2021.127183
Bray N, Thompson GL, Fahey T, Kao-Kniffin J, Wickings, K. (2020). Soil macroinvertebrates alter the fate of root and rhizosphere carbon and nitrogen in a turfgrass lawn. Soil Biology and Biochemistry. 148(107903). https://doi.org/10.1016/j.soilbio.2020.107903
Thompson GL, Kao-Kniffin J. (2019). Urban grassland management implications for soil C and N dynamics: A microbial perspective. Frontiers in Ecology and Evolution. 7(315) https://doi.org/10.3389/fevo.2019.00315
Thompson GL, Bell TH, Kao-Kniffin J. (2018). Rethinking invasion impacts across multiple field sites using European Swallowwort (Vincetoxicum rossicum) as a model invader. Invasive Plant Science and Management. 11(3):109-116. https://doi.org/10.1017/inp.2018.22
Kaminsky LM†††, Thompson GL, Trexler RV, Bell TH, Kao-Kniffin J. (2018). Medicago sativa has reduced biomass and nodulation when grown with soil microbiomes conditioned to high phosphorus inputs. Phytobiomes Journal. 2(4):237-248. https://doi.org/10.1094/PBIOMES-06-18-0025-R
Thompson GL, Kao-Kniffin J. (2017). Applying biodiversity and ecosystem function theory to turfgrass management. Crop Science. 57(S1):S-238-S-248. https://doi.org/10.2135/cropsci2016.05.0433
Thompson GL, Kao-Kniffin J. (2016). Diversity enhances NPP, N retention, and soil microbial diversity in experimental urban grassland assemblages. PLOS ONE 11(5): e0155986. https://doi.org/10.1371/journal.pone.0155986
*presenter; †organizer; ††graduate student advisee; ††† undergraduate research mentee
Thompson GL.. Urban grassland management practices alter urban soil nutrient cycling. ASA, CSSA, SSSA International Annual Meeting, Salt Lake City, UT, United States. November 9, 2021. https://scisoc.confex.com/scisoc/2021am/prelim.cgi/Paper/132866
Thompson GL.. Specifying diverse urban forests: Does consultant firm type make a difference? [Poster session]. International Society of Arboriculture Annual Virtual Conference. Dec. 15-17, 2020.
Fontanier C, Kratsch H, Thompson GL†, Yeager T. Stocking a living inventory: Linking nursery production and plant demand. [Conference workshop]. American Society for Horticultural Science Virtual Conference. August 10-13, 2020. https://ashs.confex.com/ashs/2020/meetingapp.cgi/Session/9946
Thompson GL. Plant diversity and land-use legacies alter the soil microbiome of urban grassland ecosystems [Oral presentation]. American Society for Horticultural Science Annual Conference, Las Vegas, NV, United States. July 21-25, 2019. https://ashs.confex.com/ashs/2019/meetingapp.cgi/Paper/31492
Kaminsky, L.M*†††., Bell, T.H., Thompson, G.L., Kao-Kniffin, J. Soil microbial communities conditioned to different fertilization regimes differently impact growth of Medicago sativa. [Poster presentation]. MiCROPe 2017. Microbe-assisted crop production – opportunities, challenges, and needs. Vienna, Austria. Dec. 4-7, 2017.
Thompson GL. Soil organic matter formation in urban ecosystems: Does land-use legacy control the trajectory of microbial stabilization processes. [Oral presentation]. School of Integrative Plant Sciences (SIPS) Research Symposium, Section of Horticulture. Cornell University. Ithaca, NY. October 11, 2016.
Thompson, G.L. and Kao-Kniffin, J. The effects of pale swallowwort (Vincetoxicum rossicum) on soil microbial processes. [Oral presentation]. North East Weed Science Society Annual Meeting. Williamsburg, VA. Jan. 5-8, 2015.
Thompson, G.L. and Kao-Kniffin, J. Incorporating diversity into grass polycultures to enhance ecosystem function. [Poster presentation]. Soil Science Society of America Annual Meeting. Tampa, FL. Nov. 3-6, 2013.
*presenter; †organizer; ††graduate student advisee; ††† undergraduate research mentee
Thompson GL. Relationships between consultant discipline and specified tree diversity. [Oral presentation]. Minnesota Shade Tree Advisory Council (MNSTAC). 20 May 2021. Invited. Recording: https://www.youtube.com/watch?v=JN96MDiQgA4&t=311s
Nair, A., Thompson GL. Yard and Garden: Raised Bed Questions Answered. Iowa State University Extension and Outreach News. 10 May 2021. https://www.extension.iastate.edu/news/yard-and-garden-raised-bed-questions-answered
Marcus J.* †† & Thompson, GL. Evaluating the potential for tillage radish cultivars to enhance plant establishment in compacted soils. [Oral presentation]. 65th Iowa State University Shade Tree Short Course, Virtual. 24 February 2021.
Thompson, GL. Specifying diverse urban forests: Does consultant firm type make a difference? [Oral presentation]. 65th Iowa State University Shade Tree Short Course, Virtual. 23 February 2021.
Clemens, Z., DeBlieck, S., Thompson GL. Assessing Tree Damage from the Derecho. Iowa State University Extension and Outreach Horticulture Home and Pest News. 18 September, 2020. https://hortnews.extension.iastate.edu/2020/09/assessing-tree-damage-derecho
Thompson GL. Plant Sleuth - Iowa State University Woody Plant ID Class videos. [Channel contributor and content creator]. 2020-2021. https://www.youtube.com/watch?v=soccHPlQ_6I&list=PLoybVp1rZHHpuxYhKPuIbrHiyJJVMzKf2
Thompson GL. Ecology Plus Diversity. Iowa State University Extension and Outreach - Master Gardener Summer Webcast Series. [Oral presentation] 9 November, 2019. Invited. https://www.youtube.com/watch?v=R8rDd2bjwCQ
Iles J and Thompson GL. Diversity in the urban landscape [Oral presentation]. Iowa Chapter of the American Society of Landscape Architects Spring Conference, Ames, IA United States. March 25, 2019.
Thompson GL†, Tauke P, Douglas B, Swihart E, Ewalt T, Gustason B. Grow, spec, plant: Supply chain challenges and opportunities in the landscape industry [Conference workshop]. 63rd Annual Iowa State University Shade Tree Short Course, Ames, IA, United States. February 20, 2019.
Thompson, GL. Weed ecology and management in turfgrass. Southern Tier Nursery and Landscape Association. Owego, NY. 2 March, 2017. Invited.
Thompson, GL. Weed identification and control workshop. New York State Turfgrass Association – Turf & Grounds Expo. Rochester, NY. 18 November, 2015. Invited.
Thompson, GL. Developing a new online weed identification and control tool – NYS IPM Update. New York State Turfgrass Association – Turf & Grounds Expo. Rochester, NY. 12-14 November, 2014.
Thompson, GL. Turfgrass and Landscape Weed ID. [Website, photos, documentation, and coordination]. Cornell University. 2014. http://turfweeds.cals.cornell.edu/
Thompson, GL. Diversity in urban grasslands affects ecosystem function. New York State Turfgrass Association – Turf & Grounds Expo. Rochester, NY. 11-14 November, 2013.
International Society of Arboriculture Annual Meeting. Virtual Conference. 7–11 December 2020.
The Landscape Belowground IV, International Conference on Tree Root Development in Urban Soils. Lisle, IL, USA. 15–17 October 2018.
American Society for Horticultural Science Annual Meeting. Virtual. 10–13 August 2020.
American Society for Horticultural Science Annual Meeting. Las Vegas, NV. 21–25 July 2019
North East Weed Science Society Annual Meeting. Williamsburg, VA. Jan. 5-8, 2015.
Soil Science Society of America Annual Meeting. Tampa, FL. Nov. 3-6, 2013.
65th Shade Tree Short Course, Iowa State University. Virtual. 22–26 February 2021.
64th Shade Tree Short Course, Iowa State University. Ames, IA. 26–28 February 2020.
Landscape Expo, National Association of Landscape Professionals. Louisville, KY. 15–18 October 2019
Iowa Chapter, American Society of Landscape Architects. Ames, IA. 24 March 2019.
63rd Shade Tree Short Course, Iowa State University. Ames, IA. 19–21 February 2019.
Southern Tier Nursery and Landscape Association. Owego, NY. 2 March 2017.
New York State Turfgrass Association – Turf & Grounds Expo. Rochester, NY. 18 November 2015.
New York State Turfgrass Association – Turf & Grounds Expo. Rochester, NY. 12-14 November 2014.
New York State Turfgrass Association – Turf & Grounds Expo. Rochester, NY. 11-14 November 2013.