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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.
Nathan Haan
Regular Faculty
Associated Departments
Scholars@UK
A multi-objective optimization model for cropland design considering profit, biodiversity, and ecosystem services
Geissler, C. H., Haan, N. L., Basso, B., Fowler, A., Landis, D. A., Lark, T. J. & Maravelias, C. T., Jan 2025, In: Ecological Modelling. 500, 110954.Research output: Contribution to journal › Article › peer-review
Long-term agricultural management reduces abundance and alters community structure of ground beetles (Coleoptera: Carabidae)
Fiser, C. M., Haan, N. L. & Landis, D. A., Feb 28 2025, In: Agriculture, Ecosystems and Environment. 379, 109337.Research output: Contribution to journal › Article › peer-review
Bioenergy cropping systems shape ant community composition and functional roles
Haan, N. L., Helms, J. A. & Landis, D. A., 2023, In: Frontiers in Conservation Science. 4, 1283225.Research output: Contribution to journal › Article › peer-review
Contrasting effects of bioenergy crops on biodiversity
Haan, N. L., Benucci, G. N. M., Fiser, C. M., Bonito, G. & Landis, D. A., 2023, In: Science advances. 9, 38, eadh7960.Research output: Contribution to journal › Article › peer-review
Pest suppression potential varies across 10 bioenergy cropping systems
Haan, N. L. & Landis, D. A., Jun 2023, In: GCB Bioenergy. 15, 6, p. 765-775 11 p.Research output: Contribution to journal › Article › peer-review
The importance of shifting disturbance regimes in Monarch butterfly decline and recovery
Haan, N. L. & Landis, D. A., 2019, In: Frontiers in Ecology and Evolution. 7, May, 191.Research output: Contribution to journal › Article › peer-review
Predators of monarch butterfly eggs and neonate larvae are more diverse than previously recognised
Hermann, S. L., Blackledge, C., Haan, N. L., Myers, A. T. & Landis, D. A., Dec 1 2019, In: Scientific Reports. 9, 1, 14304.Research output: Contribution to journal › Article › peer-review
Responding to the US national pollinator plan: a case study in Michigan
Bloom, E. H., Graham, K. K., Haan, N. L., Heck, A. R., Gut, L. J., Landis, D. A., Milbrath, M. O., Quinlan, G. M., Wilson, J. K., Zhang, Y., Szendrei, Z. & Isaacs, R., Mar 2022, In: Frontiers in Ecology and the Environment. 20, 2, p. 84-92 9 p.Research output: Contribution to journal › Review article › peer-review
Designing agricultural landscapes for arthropod-based ecosystem services in North America
Haan, N. L., Iuliano, B. G., Gratton, C. & Landis, D. A., Jan 2021, The Future of Agricultural Landscapes, Part II. Bohan, D. A. & Vanbergen, A. J. (eds.). p. 191-250 60 p. (Advances in Ecological Research; vol. 64).Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review
Instar-specific effects of host plants on survival of endangered butterfly larvae
Haan, N. L., Bakker, J. D., Dunwiddie, P. W. & Linders, M. J., Dec 2018, In: Ecological Entomology. 43, 6, p. 742-753 12 p.Research output: Contribution to journal › Article › peer-review
Video surveillance reveals a community of largely nocturnal Danaus plexippus (L.) egg predators
Myers, A. T., Haan, N. L. & Landis, D. A., Aug 1 2020, In: Journal of Insect Conservation. 24, 4, p. 731-737 7 p.Research output: Contribution to journal › Article › peer-review
Preference, performance, and chemical defense in an endangered butterfly using novel and ancestral host plants
Haan, N. L., Bowers, M. D. & Bakker, J. D., Dec 2021, In: Scientific Reports. 11, 1, 992.Research output: Contribution to journal › Article › peer-review
Landscape composition and configuration have scale-dependent effects on agricultural pest suppression
Zhang, Y., Haan, N. L. & Landis, D. A., Oct 15 2020, In: Agriculture, Ecosystems and Environment. 302, 107085.Research output: Contribution to journal › Article › peer-review
Intertwined Fates: Opportunities and Challenges in the Linked Recovery of Two Rare Species
Dunwiddie, P. W., Haan, N. L., Linders, M., Bakker, J. D., Fimbel, C. & Thomas, T. B., Apr 1 2016, In: Natural Areas Journal. 36, 2, p. 207-215 9 p.Research output: Contribution to journal › Article › peer-review
Predicting Landscape Configuration Effects on Agricultural Pest Suppression
Haan, N. L., Zhang, Y. & Landis, D. A., Feb 2020, In: Trends in Ecology and Evolution. 35, 2, p. 175-186 12 p.Research output: Contribution to journal › Review article › peer-review
Hemiparasites can transmit indirect effects from their host plants to herbivores
Haan, N. L., Bakker, J. D. & Bowers, M. D., Feb 1 2018, In: Ecology. 99, 2, p. 399-410 12 p.Research output: Contribution to journal › Article › peer-review
Does the Presence of the Biological Control Agent, Hypena opulenta (Lepidoptera: Erebidae) on Swallow-Worts Deter Monarch Oviposition?
Alred, B., Haan, N., Landis, D. A. & Szucs, M., Feb 1 2022, In: Environmental Entomology. 51, 1, p. 77-82 6 p.Research output: Contribution to journal › Article › peer-review
Investigating Predictors of Plant Establishment During Roadside Restoration
Haan, N. L., Hunter, M. R. & Hunter, M. D., May 2012, In: Restoration Ecology. 20, 3, p. 315-321 7 p.Research output: Contribution to journal › Article › peer-review
Grassland disturbance effects on first-instar monarch butterfly survival, floral resources, and flower-visiting insects
Haan, N. L. & Landis, D. A., Mar 2020, In: Biological Conservation. 243, 108492.Research output: Contribution to journal › Article › peer-review
Grassland disturbance increases monarch butterfly oviposition and decreases arthropod predator abundance
Haan, N. L. & Landis, D. A., May 2019, In: Biological Conservation. 233, p. 185-192 8 p.Research output: Contribution to journal › Article › peer-review
ARS/FAPRU: Improving Sustainability of Forage-Based Production Systems
Matthews, J. (PI), Anderson, L. (CoI), Bridges, P. (CoI), Ely, D. (CoI), Haan, N. (CoI), Harmon, D. (CoI), Hunt, A. (CoI), Ji, H. (CoI), McCulley, R. (CoI), McLeod, K. (CoI), Phillips, T. (CoI), Rentfrow, G. (CoI), Schardl, C. (CoI), Smith, S. (CoI), Suman, S. (CoI), Teutsch, C. (CoI), VanValin, K. (CoI) & Zhu, H. (CoI)
5/1/23 → 4/30/26
Project: Research project
ARS/FAPRU: Haan - Improving Sustainability of Forage-Based Production Systems
Haan, N. (PI)
5/1/23 → 4/30/26
Project: Research project