Forest ecology, invasion ecology, fire ecology, forest soils
Weaver N.S., Barrett R.K. and Hagan D.L. (2017). The influence of exurban development age on riparian vegetation. Urban Ecosystems.
Mikhailova E., Hagan D., Sharp J., Allerton T., Burdette K., Mealing V., Ritter B., Solomons A., Stiglitz R.,and M. Schlautman. (2017). Landscape, soil and plant analysis of Japanese stiltgrass (Microstegium vimineum) invasion around Lake Issaqueena, SC. Communications in Soil Science and Plant Analysis.
Hagan, D.L. (2016). Could agroforestry be an option for your land? Forest Landowner 73(3): 32-37.
Waldrop, T.A., Hagan, D.L., and Simon, D. (2016). Repeated application of fuel reduction techniques in the southern Appalachian mountains, USA. Implications for achieving management goals. Fire Ecology 12(2): 28-47.
Mikhailova, E., Hagan, D., Sharp, J., Allerton, T., Burdette, K., Mealing, V., Ritter, B., Solomons, A., and R. Stiglitz. (2016). Geospatial soil and plant tissue analysis of Sericea Lespedeza (Lespedeza cuneata) invasion around Lake Issaqueena, SC. Communications in Soil Science and Plant Analysis 47(5): 630-638.
Hagan, D. (2015). Invasive plants? Out-of-control vines? Crazy kudzu? Time to bring in the goats. Forest Landowner 72(6) 13-19.
Hagan D.L., Waldrop T.A., Reilly M. and Shearman T. (2015). Impacts of repeated wildfire on long-unburned Southern Appalachian plant communities. International Journal of Wildland Fire 24: 911-920.
Stricker K.B., Hagan D.L. and Flory S.L. (2015). INVITED REVIEW: Improving methods to evaluate the impacts of plant invasions: Lessons from 40 years of research. AoB Plants 7:1-10.
Hagan D.L., Mikhailova E.A., Shearman T.M., Ma P.T., Nankaya J.S., Hart S.K., Valdetero H.E., Bridges W.C. and Yun H. (2014). The role of soil and landscape factors in Chinese privet (Ligustrum sinense) invasion in the Appalachian Piedmont. Invasive Plant Science and Management 7(4):483-490.
Hagan D.L. and Jose S. Mycorrhizae and alien plants. (2013). In: Jose S. (Ed). Invasive Plant Ecology. CRC Press/Taylor and Francis.
Hagan D.L., Jose S., Bohn K., and Escobedo F. (2013). Cogongrass (Imperata cylindrica) invasion and eradication: implications for soil nutrient dynamics in a longleaf pine sandhill ecosystem. Invasive Plant Science and Management 6(3):433-443.
Hagan D.L., Jose S. and Lin C. (2013). Allelopathic exudates of cogongrass (Imperata cylindrica): implications for the performance of native pine savanna species in the southeastern US. Journal of Chemical Ecology 39(2):312-322.
Hagan D.L., Dobbs C., Timilsina N., Escobedo F., Toor G. and Andreu M. (2012). Anthropogenic effects on the physical and chemical properties of subtropical coastal urban soils. Soil Use and Management 28(1):78-88.
Hagan D.L. and Jose S. (2011). Interspecific competition enhances nitrogen fixation in an actinorhizal shrub. Plant Ecology 212(1):63-68.
Shields J., Jose S., Freeman J., Bunyan M., Celis G., Hagan D.L., Morgan M. and Zak J. (2011). Short-term impacts of laurel wilt on redbay (Persea borbonia (L.) Spreng.) mortality and stand-level forest measures in a mixed evergreen-deciduous forest in northern Florida. Journal of Forestry 109(2):82-88.
Hagan D.L., Jose S., Thetford M. and Bohn K. (2010). Partitioning of applied 15N fertilizer in a longleaf pine-native woody ornamental intercropping system. Agroforestry Systems 79(1):47-57.
Hagan D.L., Jose S., Thetford M. and Bohn K. (2009). Production physiology of three native shrubs intercropped in a young longleaf pine plantation. Agroforestry Syst. 76(2):283-294. Also published in: Jose S. (Ed.) 2009. Agroforestry for Commodity Production: Ecological and Social Dimensions. Springer.