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Leadership Meet the Administrative Team Departments and Units Aute et fugiat ad est cupidatat esse laborum dolor ex anim anim cillum cillum exercitation culpa. Our Experts Aute et fugiat ad est cupidatat esse laborum dolor ex anim anim cillum cillum exercitation culpa.State Administration Get contact information for Extension administrative personnel by operational area and their respective support personnel. Area Extension Directors Get contact information for the Area Extension Directors (AEDs) County Extension Personnel Aute et fugiat ad est cupidatat esse laborum dolor ex anim anim cillum cillum exercitation culpa.
John Lhotka
Regular Faculty
Associated Departments
Scholars@UK
Economic impacts of maple syrup production potential in Kentucky: Input-output analysis
Thapa, B., Ochuodho, T. O., Lhotka, J. M., Thomas, W., Muller, J., Brandeis, T. J., Olale, E., Zhou, M. & Liang, J., Apr 2025, In: Forest Policy and Economics. 173, 103459.Research output: Contribution to journal › Article › peer-review
Assessing the factors affecting maple syrup yield in the US and predicting production potential in Kentucky
Thapa, B., Ochuodho, T. O., Lhotka, J. M., Thomas, W., Hackworth, Z. J., Muller, J., Brandeis, T. J., Olale, E., Zhou, M. & Liang, J., Sep 2024, In: Trees, Forests and People. 17, 100649.Research output: Contribution to journal › Article › peer-review
Informing Producers in a Nontraditional Maple Syrup Region: Red Maple and Sugar Maple Production Parameters in Kentucky
Hackworth, Z. J., Lhotka, J. M., Ochuodho, T. O. & Thomas, W. R., Apr 1 2024, In: Forest Science. 70, 2, p. 165-178 14 p.Research output: Contribution to journal › Article › peer-review
Will “Tall Oaks from Little Acorns Grow”? White Oak (Quercus alba) Biology in the Anthropocene
Abbott, A. G., Staton, M. E., Lhotka, J. M., DeWald, L. E., Zhebentyayeva, T., Kapoor, B., Thomas, A. M., Larson, D. A., Hadziabdic, D., DeBolt, S., Nelson, C. D. & Carlson, J. E., Feb 2024, In: Forests. 15, 2, 269.Research output: Contribution to journal › Review article › peer-review
Sustainability of White Oak (Quercus alba) Timber Supply in Kentucky
Dhungel, G., Ochuodho, T. O., Lhotka, J. M., Stringer, J. W. & Poudel, K., Jan 1 2024, In: Journal of Forestry. 122, 1, p. 79-90 12 p.Research output: Contribution to journal › Article › peer-review
Annals of Forest Science promotes multidisciplinary research devoted to forests and wood in a changing world
Dreyer, E., Bolte, A., Ferretti, M., Leban, J. M., Lhotka, J. M., Liu, S. & Lesage, V., Dec 2023, In: Annals of Forest Science. 80, 1, 8.Research output: Contribution to journal › Editorial
Twenty Years of Urban Reforestation: Overstory Development Structures Understory Plant Communities in Lexington, KY, USA
Sena, K. L., Hackworth, Z. J., Maugans, J. & Lhotka, J. M., Feb 2023, In: Sustainability (Switzerland). 15, 3, 1985.Research output: Contribution to journal › Article › peer-review
Long-Term Effects of Crop Tree Release on Growth and Quality in White-Oak (Quercus alba L.)-Dominated Stands
Vogel, P. J., Lhotka, J. M. & Stringer, J. W., Jun 1 2022, In: Forest Science. 68, 3, p. 343-352 10 p.Research output: Contribution to journal › Article › peer-review
Annals of Forest Science promotes multidisciplinary research on forests and wood in a changing world and is now a full Open Access journal
Dreyer, E., Leban, J. M., Liu, S. L., Bolte, A., Lhotka, J., Ferretti, M. & Lesage, V., Dec 2022, In: Annals of Forest Science. 79, 1, 1.Research output: Contribution to journal › Editorial
Summer Populations of Northern Long-eared Bat in an Eastern Kentucky Forest Following Arrival of White-nose Syndrome
Arant, P. L., Lacki, M. J., Lhotka, J. M. & Stringer, J. W., Jan 3 2022, In: American Midland Naturalist. 187, 1, p. 71-83 13 p.Research output: Contribution to journal › Article › peer-review
Light and regeneration patterns following silvicultural gap establishment in Quercus dominated stands of the northern Cumberland Plateau, USA
Patterson, C. P., Hackworth, Z. J., Lhotka, J. M. & Stringer, J. W., Feb 1 2022, In: Forest Ecology and Management. 505, 119871.Research output: Contribution to journal › Article › peer-review
Forest development over a twenty-year chronosequence of reforested urban sites
Sena, K. L., Hackworth, Z. J. & Lhotka, J. M., May 2021, In: Forests. 12, 5, 614.Research output: Contribution to journal › Article › peer-review
Development of mine soils in a chronosequence of forestry-reclaimed sites in eastern kentucky
Sena, K. L., Yeager, K. M., Barton, C. D., Lhotka, J. M., Bond, W. E. & Schindler, K. J., Apr 2021, In: Minerals. 11, 4, 422.Research output: Contribution to journal › Article › peer-review
Midstory removal facilitates growth but reduces competitiveness of oak reproduction prior to and after shelterwood establishment cutting
Hackworth, Z. J., Lhotka, J. M. & Stringer, J. W., Jun 1 2020, In: Forest Science. 66, 3, p. 371-381 11 p.Research output: Contribution to journal › Article › peer-review
Examining growth relationships in Quercus stands: An application of individual-tree models developed from long-term thinning experiments
Lhotka, J. M., Feb 1 2017, In: Forest Ecology and Management. 385, p. 65-77 13 p.Research output: Contribution to journal › Article › peer-review
Comparison of unmanaged and managed trojan fir–scots pine forests for structural complexity
Kara, F. & Lhotka, J. M., 2020, In: Turkish Journal of Agriculture and Forestry. 44, 1, p. 62-70 9 p.Research output: Contribution to journal › Article › peer-review
Development of three underplanted hardwood species 7 years following midstory removal
Lhotka, J. M. & Loewenstein, E. F., May 2013, In: Southern Journal of Applied Forestry. 37, 2, p. 81-90 10 p.Research output: Contribution to journal › Article › peer-review
Influence of canopy structure on the survival and growth of underplanted seedlings
Lhotka, J. M. & Loewenstein, E. F., Jan 2008, In: New Forests. 35, 1, p. 89-104 16 p.Research output: Contribution to journal › Article › peer-review
Designing Nelder wheel plots for tree density experiments
Parrott, D. L., Brinks, J. S. & Lhotka, J. M., Mar 2012, In: New Forests. 43, 2, p. 245-254 10 p.Research output: Contribution to journal › Article › peer-review
Effect of silvicultural gap size on 51 year species recruitment, growth and volume yields in Quercus dominated stands of the Northern Cumberland Plateau, USA
Lhotka, J. M., Cunningham, R. A. & Stringer, J. W., Oct 1 2018, In: Forestry. 91, 4, p. 451-458 8 p.Research output: Contribution to journal › Article › peer-review
USFS NASP 18 Module 4 in 2025 - University of Kentucky Subaward
Lhotka, J. (PI) & Muller, J. (CoI)
Virginia Polytechnic Institute and State University
7/1/24 → 6/14/25
Project: Research project
USFS NASP 17 Module 4 in 2024 - University of Kentucky Subaward
Lhotka, J. (PI) & Muller, J. (CoI)
Virginia Polytechnic Institute and State University
4/21/23 → 6/14/24
Project: Research project
USFS NASP 16 Module 4 in 2023 - University of Kentucky Subward
Lhotka, J. (PI) & Muller, J. (CoI)
Virginia Polytechnic Institute and State University
11/1/22 → 8/31/23
Project: Research project
US Forest Service National Advanced Silviculture Program (NASP) - Session 4 Advanced Silviculture Module for NASP 15 (2021-2022)
Lhotka, J. (PI) & Muller, J. (CoI)
Virginia Polytechnic Institute and State University
11/1/21 → 10/31/22
Project: Research project
Cross-walk and Develop GIS Mapping Applications and Accomplishment Monitoring Geospatial Database
Lhotka, J. (PI)
KY Energy and Environment Cabinet
8/1/10 → 6/30/11
Project: Research project
Silvicultural Approaches for Regenerating Upland Stands in the Northern Cumberland Plateau
Lhotka, J. (PI) & Stringer, J. (CoI)
5/13/09 → 12/31/10
Project: Research project
Evaluating Seedling Development, Stand Structure, and Understory Microenvironment Six Growing Seasons Following Midstory Removal
Lhotka, J. (PI) & Stringer, J. (CoI)
7/16/08 → 9/30/08
Project: Research project
R&D Seed Grant: Techniques for Establishing Woody Biomass Plantations on Surface Mines as Feedstocks for energy Production
Barton, C. (PI), Agouridis, C. (CoI), Lhotka, J. (CoI) & Warner, R. (CoI)
10/1/07 → 6/30/10
Project: Research project
Effect of grading technique on forest productivity of high-value tree species in reforested surface mine lands
Lhotka, J. (PI), Barton, C. (CoI) & Stringer, J. (CoI)
6/1/15 → 12/31/17
Project: Research project
Enhancing the Awareness, Knowledge, and Understanding of Sustainable Maple Syrup Production Practices Among Current and Potential Maple Syrup Producers
Ochuodho, T. (PI), Lhotka, J. (CoI), Muller, J. (CoI) & Thomas, W. (CoI)
Agricultural Marketing Service
9/30/20 → 9/29/24
Project: Research project
USFS NASP Module 4 in 2021 - University of Kentucky Subward
Lhotka, J. (PI), Muller, J. (CoI) & Stringer, J. (CoI)
Virginia Polytechnic Institute and State University
7/1/20 → 9/30/21
Project: Research project
Informing Management Practice Through Understanding the Effects of Species and Tree Characteristics on Maple Sap Volume and Sugar Content
Lhotka, J. (PI), Ochuodho, T. (CoI) & Thomas, W. (CoI)
Natural Resources Conservation Service
9/17/19 → 9/14/22
Project: Research project
Economic Analysis of Maple Syrup Production Potential in Kentucky
Ochuodho, T. (PI), Lhotka, J. (CoI) & Thomas, W. (CoI)
Natural Resources Conservation Service
9/17/19 → 6/30/23
Project: Research project
Upland Oak Sustainability
Stringer, J. (PI), Crocker, E. (CoI) & Lhotka, J. (CoI)
11/5/18 → 6/30/22
Project: Research project