Dr. B. Graeme Lockaby
Clinton McClure Professor
Director, Center for Environmental Studies at the Urban-Rural Interface (CESURI)
Associate Dean for Research & Professor, School of Forestry & Wildlife Sciences,
Auburn University

PhD, Mississippi State University, 1981, Agronomy
MS, Clemson University, 1977, Forestry
BS,Clemson University, 1975, Forestry

Contact: lockabg@auburn.edu

Teaching Responsibilities:

  • Forest Biogeochemistry, Research Methods

Research Interests:

  • Biogeochemistry of Floodplain Forests
  • Decomposition, Relationships between Nutrient Circulation and NPP
  • Effects of Urban Sprawl on Water Quality, Biogeochemistry of Riparian Forests


  • 2006 Outstanding Graduate Faculty Member (Auburn University)
  • 2003 National Wetlands Award, Science Research
  • 2003 Gulf Guardian Award, Civic/Nonprofit Organization

Selected Journal Articles

Ricker, M.C. and B.G. Lockaby. 2015. Soil organic carbon stocks in a large eutrophic floodplain forest of the Atlantic Coastal Plain, USA. Wetlands 35:291-301.

Enloe, H.A, B.G. Lockaby, W.C. Zipperer, and G.L. Somers. 2015. Urbanization effects on leaf litter decomposition, foliar nutrient dynamics and aboveground net primary productivity in the subtropics. Urban Ecosystems. DOI:10.1007/s11252-015-0444-x

Enloe, H.A., B.G. Lockaby, W.C. Zipperer, and G.L. Somers. Urbanization effects on soil nitrogen transformations and microbial biomass in the subtropics. Urban Ecosystems. DOI:10.1007/s11252-015-0462-8.

Noori, N.,  Kalin, L., Lockaby G. 2015. Larval development of Culex quinquefasciatus in water with low to moderate pollution levels. Journal of Vector Ecology. (Accepted)

Singh, H., L. Kalin , A. Morrison, P. Srivastava, B.G. Lockaby, S. Pan. 2015. Post-Validation of SWAT Model in a Coastal Watershed for Predicting Land Use/Cover change Impacts. Hydrology Research. DOI:10.2166/NH.2015.222

Pierfelice, K.N, B.G. Lockaby, K.W. Krauss, W.H. Conner, G.B. Noe, and M.C. Ricker.  2015. Salinity influences on above- and belowground net primary productivity in tidal wetlands. Journal of Hydraulic Engineering. DOI:10.1061/(ASCE)HE.1943-5584.0001223

Ricker, M.C. and B.G. Lockaby. 2014. Soil biogeochemical processes across a lateral toposequence in an old-growth floodplain forest. Soil Science Society of America Journal 78:2100-2111.

Zhang, C., H. Tian, S. Pan, G. Lockaby, and A. Chappelka. 2014. Multi-factor controls on terrestrial carbon dynamics in urbanized areas. Biogeosciences 11:7107-7124.

Anderson, C.J., B.G. Lockaby, and N. Click. 2013. Changes in wetland forest structure, basal area, and composition across a tidal gradient. American Midland Naturalist 170:1-13.

Isik, S., L. Kalin, J. Schoonover, P. Srivastava, B.G. Lockaby. 2013. Modeling Effects of Changing Land Use/Cover on Daily Streamflow: An Artificial Neural Network and Curve Number based Hybrid Approach. Journal of Hydrology 485:103-112.

Nagy, R.C., B.G. Lockaby, W. Zipperer, and L.J. Marzen. 2013. A comparison of carbon and nitrogen stocks among land uses/covers in coastal Florida. Urban Ecosystems 17:255-276.

Noe, G.B., K.W. Krauss, B.G. Lockaby, W.H. Conner, C.R. Hupp. 2013. The effect of increasing salinity and forest mortality on soil nitrogen and phosphorus mineralization in tidal freshwater forested wetlands. Biogeochemistry 114:225-244.

Romagosa, C.M., W.C. Morse, and B.G. Lockaby. 2013. Emerging issues along urban-rural interfaces: an introduction to the special issue. Urban Ecosystems 16:1-2.

Crim, J.F., J.E. Schoonover, and B.G. Lockaby. 2012. Assessment of fecal coliform and Escherichia coli across a land cover gradient in west Georgia streams. Water Quality Exposure and Health 4:143-158.

Isik, S., L. Kalin, J. Schoonover, P. Srivastava, and G. Lockaby. 2012. Modeling effects of changing land use/cover on daily streamflow: an artificial neural network and curve number based hybrid approach. Journal of Hydrology 485:103-112.

Nagy, R.C., B.G. Lockaby, L. Kalin, and C. Anderson. 2012. Effects of urbanization on stream hydrology and water quality: the Florida Gulf Coast. Hydrological Processes 26:2019-2030.

Tian, H., G. Chen, C. Zhang, M. Liu, G. Sun, A. Chappelka, W. Ren, X. Xu, C. Lu, S. Pan, H. Chen, D. Hui, S. McNulty, G. Lockaby, and E. Vance. 2012. Century-scale responses of ecosystem carbon storage and flux to multiple environmental changes in the southern United States. Ecosystems 15:674-694.

Chen, G., H. Tian, C. Zhang, M. Liu, W. Ren, W. Zhu, A.H. Chappelka,. S.A. Prior, B.G. Lockaby. 2012. Drought in the Southern United States over the 20th century: variability and its impacts on terrestrial ecosystem productivity and carbon storage. Climatic Change 114:379-397.

Zhang, C., H. Tian, G. Chen, A. Chappelka, X. Xu, W. Ren, D. Hui, M. Liu, C. Lu, S. Pan, G. Lockaby. 2012. Impacts of Urbanization on Carbon Balance in Terrestrial Ecosystems of the Southern United States. Environmental Pollution 164:89101.

Anderson, C.J. and B.G. Lockaby. 2011. Forested wetland communities as indicators of tidal influence on the Apalachicola River, Florida, USA. Wetlands 31:895906.

Anderson, C.J. and B.G. Lockaby. 2011. Foliar nutrient dynamics in tidal and non-tidal freshwater forested wetlands. Aquatic Botany 95:153-160.

Anderson, C.J. and B.G. Lockaby. 2011. Seasonal patterns of river connectivity and saltwater intrusion in tidal freshwater forested wetlands. River Research and Applications 28:814-826.

Anderson, C.J. and B.G. Lockaby. 2011. Research gaps related to forest management and stream sediment in the United States. Environmental Management 47:303-313.

Mitchell, J.M., B.G. Lockaby, and E. Brantley. 2011. Influence of Chinese privet (Ligustrum sinense) on decomposition and nutrient availability in riparian forests. Invasive Plant Science and Management: 4:437-447.

Lockaby. B.G., C. Nagy, J.M. Vose, C.R. Ford, G. Sun, S. McNulty, P. Caldwell, E. Cohen, and J.M. Moore. 2011. Meta-issue: water and forests. Chapter 13 in The Southern Forest Futures Report. D.N. Wear and J.G. Greis. USFS. Southern Forest Experiment Station, Asheville, NC.

J.L. Trusty, H.C. Kesler, B.G. Lockaby, W.C. Zipperer. Projecting the impacts of urbanization on forested habitats in a rapidly developing coastal region: the Forgotten Coast of Florida. Florida Scientist. In press.

Nagy, R.C. and B.G. Lockaby. 2011. Urbanization in the Southeastern United States: socioeconomic forces and ecological responses along an urban rural gradient. Urban Ecosystems 14:71-86.

Nagy, R.C., B.G. Lockaby, B. Helms, L. Kalin, and D. Stoeckel. 2011. Relationships between forest conversion and water resources in a humid region: the southeastern United States. Journal of Environmental Quality 40:867 878.

Beldini, T.P., K.L. McNabb, B.G. Lockaby, F.G. Sanchez, and O. Navegantes-Cancio. 2010. The effect of Amazonian Eucalyptus plantations on soil aggregates and organic matter density fractions. Soil Use and Management 26:53-60.

Kalin, L., I. Sabahattin, J. Schoonover, and B.G. Lockaby. 2010. Predicting water quality in unmonitored watersheds using artificial neural networks. Journal of Environmental Quality 39:1429-1440.

Jolley, R.L., B.G. Lockaby, and G.G. Cavalcanti. 2010. Changes in riparian forest composition across a sedimentation rate gradient. Plant Ecology 210:317-330.

Jolley, R.L., B.G. Lockaby, and R.M. Governo. 2010. Vegetation nutrient dynamics associated with sedimentation in headwater riparian forests. Soil Science Society of America Journal 74:1389-1397.

Jolley, R.L., B.G. Lockaby, and R.M. Governo. 2010. Biogeochemical influences associated with sedimentation in riparian forests of the Southeastern Coastal Plain. Soil Science Society of America Journal 74:326336.

Hamilton, S.G. and B.G. Lockaby. 2009. Floodplain forests and people: Inextricably linked. SWS Research Brief. No. 2009-0007. October. p. 1-4.

Lockaby, B.G. 2009. Floodplain ecosystems of the Southeast: Linkages between forests and people. Wetlands 29:407-412.

Jolley, R.L., B.G. Lockaby, and G.G. Cavalcanti. 2009. Productivity of ephemeral headwater riparian forests impacted by sedimentation in the southeastern United States coastal plain. Journal of Environmental Quality 38:965-979.

Faucette, L.B., J. Governo, R. Tyler, G. Grigley, C.F. Jordan, and B.G. Lockaby. 2009. Performance of compost filter socks and conventional sediment control barriers used for perimeter control on construction sites. J. Soil and Water Conservation 64:81-88.

Ozalp, M., W. Conner, and G. Lockaby. 2008. Aboveground productivity and litter decomposition in a tidal freshwater forested wetland on Bull Island, SC. Forest Ecology and Management. 245:31-43.

Zhang, C., H.Q. Tian, S. Pan, M. Liu, B.G. Lockaby, E. Schilling, and J. Stanturf. 2008. Effects of forest regrowth and urbanization on ecosystem carbon storage in a rural urban gradient in the Southeast United States. Ecosystems 11:1211-1222.

Trusty, J.L, K.J. Johnson, B.G. Lockaby, and L.R. Goertzen. 2007. Bi-Parental Cytoplasmic DNA inheritance in Wisteria (Fabaceae): Evidence from a natural experiment. Plant Cell Physiology 48:662-665.

Trusty, J.L., L.R. Goertzen, W.C. Zipperer, and B.G. Lockaby. 2007. Invasive Wisteria in the southeastern United States: Genetic diversity, hybridization, and the role of urban centers. Urban Ecosystems 10:379-395.

Schoonover, J.S., B.G. Lockaby, and J. Shaw. 2007. Channel morphology and sediment origin in streams draining the Georgia Piedmont. Journal of Hydrology 342:110-123.

Trusty, J.L., Lockaby, B. G., Zipperer, W.C., Goertzen, L. 2007. Identity of naturalised exotic Wisteria (Fabaceae) in the south-eastern United States. Weed Research 47: 479-487.

Cavalcanti, G.G. and B.G. Lockaby. 2006. Effects of sediment deposition on aboveground net primary productivity, vegetation composition, and structure in riparian forests. Wetlands 26:400-409.

Schoonover, J.S., B.G. Lockaby, and B. Helms. 2006. Impacts of Land Cover on Stream Hydrology in the West Georgia Piedmont, USA. Journal of Environmental Quality 35:2123-2131.

Schoonover, J.S. and B.G. Lockaby. 2006. Land cover impacts on stream nutrients and fecal coliform in the lower Piedmont of West Georgia. Journal of Hydrology 331:371-382.

Fritz, M.K., J.W. Feminella, C. Colson, B.G. Lockaby, R. Governo, and R.B. Rummer.2006. Biomass and decay rates of roots and detritus in sediments of intermittent Coastal Plain Streams.
Hydrobiologia 556:265-277.

Schilling, E. and B.G. Lockaby. 2006. Relationships between productivity and nutrient circulation within two contrasting southeastern U.S. Floodplain forests. Wetlands 26:181-192.

Lockaby, B.G., D. Zhang, J. McDaniel, H. Tian, and S. Pan. 2005. Interdisciplinary research at the urban-rural interface: the WestGa project. Urban Ecosystems 8:7-21.

Schoonover, J., B.G. Lockaby, and S. Pan. 2005. Changes in chemical and physical properties of stream water across an urban-rural gradient in western Georgia. Urban Ecosystems 8:107-124.

Cavalcanti, G.G. and B.G. Lockaby. 2005. Effects of sediment deposition on fine root dynamics in riparian forests. Soil Science Society of America Journal 69:729-737.

Schilling, E.B. and B.G. Lockaby. 2005. Microsite Influences on productivity and nutrient circulation within two southeastern floodplain forests. Soil Science Society of America Journal 69:1185-1195.

Lockaby, B.G., R. Governo, E. Schilling, G. Cavalcanti, and C. Hartsfield. 2005. Effects of sedimentation on soil nutrient dynamics in riparian forests. Journal of Environmental Quality 34:390-396.

Schilling, E., B.G. Lockaby, and R. Rummer. 2004. Biomass partitioning and root architecture responses of loblolly pine seedlings to tillage in Piedmont and Coastal Plain soils. Southern Journal of Applied Forestry 28:76-82.

Lockaby, B.G., R. Governo, R. Rummer, and C. Colson. 2004. Silviculutural management within streamside management zones of intermittent streams: Effects on decomposition, productivity, nutrient cycling, and vegetation. Southern Journal of Applied Forestry 28:211-224.

Lockaby, B.G., B.D. Keeland, J.A. Stanturf, M.D. Rice, G. Hodges, and R.M. Governo. 2002. Arthropods in decomposing wood of the Atchafalaya River Basin. Southeastern Naturalist 1:339-352.

Clawson, R.G., B.G. Lockaby and B. Rummer. 2001. Changes in production and nutrient cycling across a wetness gradient within a floodplain forest. Ecosystems 4:126-138.

Wright, R.B., B.G. Lockaby, and M.R. Walbridge. 2001. Phosphorus availability in an artificially flooded southeastern floodplain forest soil. Soil Science of America Journal 65:1293-1302.

Baker, T.T., W.H. Conner, B.G. Lockaby, J.A. Stanturf, and M.K. Burke. 2001. Fine root productivity and dynamics on a forested floodplain in South Carolina. Soil Science Society of America Journal 65:545-556.

Baker, T.T., B.G. Lockaby, W.H. Conner, C.E. Meier, J.A. Stanturf, and M.K. Burke. 2001. Leaf litter decomposition and nutrient dynamics in four southern forested floodplain communities. Soil Science Society of America Journal 65:1334-1347.

Wigginton, J.D., B.G. Lockaby, C.C. Trettin. 2000. Soil organic matter formation and sequestration across a forested floodplain chronosequence. Ecological Engineering 15:S141-S155.

Jones, R.H., S.L. Stokes, B.G. Lockaby, and J.A. Stanturf. 2000. Vegetation responses to helicopter and ground based logging in blackwater floodplain forests. Forest Ecology and Management 139:215-225.

Basnyat, P., L.D. Teeter, B.G. Lockaby, and K.M. Flynn. 2000. The use of remote sensing and GIS in watershed level analyses of non-point source pollution problems. Forest Ecology and Management 128:65-73.

Basnyat, P., L. Teeter, B.G. Lockaby, and K. Flynn. 2000. Land use characteristics and water quality: A methodology for valuing forested buffers. Environmental Management 26:153-161.

Basnyat, P., L. Teeter, K. Flynn, and B.G. Lockaby. 1999. Relationships between landscape characteristics and non-point source pollution inputs to coastal estuaries. Environmental Management 23:539-549.

Burke, M.K., B.G. Lockaby, and W.H. Conner. 1999. Aboveground primary productivity and nutrient circulation across a flooding gradient in a SC coastal plain forest. Canadian Journal of Forest Research 29:1402-1418.

Lockaby, B.G., C.C. Trettin, and S.H. Schoenholtz. 1999. Effects of silvicultural activities on wetland biogeochemistry. Journal of Environmental Quality 28:1687-1698.

Schilling, E.B., B.G. Lockaby, and R. Rummer. 1999. Belowground nutrient dynamics following three harvest intensities on the Pearl River floodplain, Mississippi. Soil Science Society of America Journal. 63:1856-1868.

Lockaby, B.G. and W.H. Conner. 1999. N:P balance in wetland forests: Productivity across a biogeochemical continuum. The Botanical Review 65:171-185.

Clawson, R.G., B.G. Lockaby and R.B. Rummer. 1999. Harvest influences on floodwater properties in a forested floodplain. Journal of the American Water Resources Association 35:1081-1088.

Darke, A., M. Walbridge, and B.G. Lockaby. 1997.Changes in Al and Fe crystallinity and P sorption capacity in a flood-plain forest soil subjected to artificially manipulated flooding regimes in field mesocosms. Wetland Ecology and Management 4:235-244.

Lockaby, B.G., J.A. Stanturf, and M. Messina. 1997. Effects of silvicultural activity on ecological processes in floodplain forests of the southern United States: a review of existing reports. Forest Ecology and Management 90:93-100.

Rummer, R., B. Stokes, and B.G. Lockaby. 1997. Sedimentation associated with forest road surfacing in a bottomland hardwood ecosystem. Forest Ecology and Management 90:195-200.

Rice, M.D., B.G. Lockaby, J.A. Stanturf, and B.J. Keeland. 1997. Woody debris decomposition in the Atchafalaya River Basin of Louisiana following hurricane disturbance. Soil Science Society of America Journal 61:1264-1274.

Lockaby, B.G., R.G. Clawson, K. Flynn, R. Rummer, S. Meadows, B. Stokes, and J. Stanturf. 1997. Influence of harvesting on biogeochemical exchange in sheetflow and soil processes in a eutrophic floodplain forest. Forest Ecology and Management 90:187-194.

Lockaby, B.G., R.H. Jones, R.G. Clawson, J.S. Meadows, J.A. Stanturf, and F.C. Thornton. 1997. Influences of harvesting on functions of floodplain forests associated with low-order, blackwater streams. Forest Ecology and Management 90:217-224.

Clawson, R.G., B.G. Lockaby, and R.H. Jones. 1997. Amphibian responses to helicopter harvesting in forested floodplains of low order, blackwater streams. Forest Ecology and Management 90:225-235.

Jones, R.H., B.G. Lockaby, and G. Somers. 1996. Effects of microtopography and disturbance on fine root dynamics in floodplains of low order streams. American Midland Naturalist 136:57-71.

Lockaby, B.G., R.S. Wheat, and R.G. Clawson. 1996. Influence of hydroperiod on litter conversion to soil organic matter in a floodplain forest. Soil Science Society of America Journal 60:1989-1993.

Lockaby, B.G., A.L. Murphy, and G.L. Somers. 1996. Hydroperiod influences on nutrient dynamics in decomposing litter of a floodplain forest. Soil Science Society of America Journal 60:1267-1272.

Walbridge, M. and B.G. Lockaby. 1994. Effects of forest management on biogeochemical functions in southern forested wetlands. Wetlands 14:10-17.

Lockaby, B.G., F.C. Thornton, R.H. Jones, and R.G. Clawson. 1994. Ecological responses of an oligotrophic floodplain forest to harvesting. Journal of Environmental Quality 23:901-906.