Department of Earth and Environmental Science

Christopher Emil Bernhardt

Publications

Bernhardt, C.E. and Willard, D.A. 2009. Response of the Everglades' Ridge and Slough landscape to late Holocene climate variability and 20th century water-management practices.  Ecological Applications, IN PRESS

Bernhardt, C.E, R. J. Mitchell, H. J. Michaels.  2008. Effect of Lupinus perennis population size and local density on pollinator behavior.  International Journal of Plant Sciences. 169: 944-953.

Culver, S.J., Farrell, K., Mallinson, D.J., Horton, B.P., Willard, D.A., Thieler, E.R., Riggs, S.R., Snyder, S.W., Wehmiller, J.F., Bernhardt, C.E., and Hillier, C. 2008.  Micropaleontologic record of Late Pliocene and Quaternary paleoenvironments in the northern Albemarle Embayment, North Carolina, U.S.A.  Palaeogeography, Palaeoecology, Palaeoclimatology 264: 54-77.

Willard, D.A., Bernhardt, C.E., Brooks, G.R., Cronin, T.M., and Edgar, T., 2007.  High-resolution pollen record of deglacial climate variability from central Florida, USA.  Palaeogeography, Palaeoclimatology, Palaeoecology 251: 366-382.

Willard, D.A., Bernhardt, C.E., Holmes, C.W., Landacre, B., and Marot, M. 2006.  Response of Everglades tree islands to environmental change.  Ecological Monographs, 76: 565-583.

Willard, D.A., Bernhardt, C.E., Korejwo, D.A., and  Meyers, S.R..2005. Impact of millennial-scale Holocene climate variability on eastern North American terrestrial ecosystems: pollen-based climatic reconstruction. Global and Planetary Change 47: 17-35.

Willard, D.A., Bernhardt, C.E., Cooper, S.R., Jensen, J., and Weimer, L.M.  2004. Atlas of South Florida Pollen. Palynology, 28: 175-227. 

USGS Open File Reports:

Bernhardt, C.E., and Willard, D.A.  2006.  Marl prairie vegetation response to 20th century hydrologic change.  U.S. Geological Survey Open-File Report 2006-1355.

Bernhardt, C.E., D.A. Willard, M. Marot, C. Holmes. 2004. Anthropogenic and Natural Variation in the Ridge and Slough Pollen Assemblages. U.S. Geological Survey Open-File Report 2004-1448.

Willard, D.A., T.M. Cronin, C.E. Bernhardt, J. Damon, 2004.  Sediment transport in Pocomoke Sound, Maryland inferred from microfossils in surface sediments.  In:  Cronin, T.M. (Ed.), Pocomoke Sound sedimentary and ecosystem history.  U.S. Geological Survey Open-File Report 2004-1350.

Willard, D.A., Bernhardt, C.E., 2004.  Pollen stratigraphy and land-use change, Pocomoke Sound, Maryland.  In:  Cronin, T.M. (Ed.), Pocomoke Sound sedimentary and ecosystem history.  U.S. Geological Survey Open-File Report 2004-1350.

Wingard G.L., Thomas M. Cronin, Charles W. Holmes, Debra A. Willard, Gary Dwyer, Scott E. Ishman, William Orem, Christopher P. Williams, Jessica
Albietz, Christopher E. Bernhardt, Carlos A. Budet, Bryan Landacre, Terry
Lerch, Marci Marot, Ruth E. Ortiz, 2004, Ecosystem History of Southern and
Central Biscayne Bay:  Summary Report on Sediment Core Analyses - Year Two:
U.S. Geological Survey Open File Report 2004-1312.

Wingard, G L; Cronin, T C; Dwyer, G S; Ishman, S E; Willard, D A; Holmes, C W; Bernhardt, C E; Williams, C P; Marot, M E; Murray, JB; Stamm, R G; Murray, J H; Budet, C.  Ecosystem history of southern and central Biscayne Bay; summary report on sediment core analyses.  Open-File Report - U. S. Geological Survey, Report: OF 03-0375, 2003 [URL:http://sofia.usgs.gov/publications/ofr/03-375/]

Bernhardt,C.E., D.A Willard, and C.W. Holmes. 2003. Development and Stability of the Everglades Ridge and Slough Landscape.  USGS Open-File Report 03-54.

Willard D.A., W.H. Orem, C.E. Bernhardt, and C.W. Holmes. 2003. Everglades Tree-Island Response to Hydrologic Change. USGS Open-File Report 03-54.

Other Publications:

Cover photograph for Frontiers in Ecology and the Environment 9(5) 2007.

In Review:

Bernhardt, C.E., and Willard, D.A. Climate variability and anthropogenic impacts on wetland development: the sawgrass ridge and slough landscape, Everglades, Florida. IN REVIEW Ecological Applications

Bernhardt, C. E., Stanley, J-D., and Horton, B.P.  Rapid responses of a wetland plant community to 20th century anthropogenic pressures, Manzala Lagoon, Nile Delta, Egypt.

In Preparation:
Bernhardt, C. E., and B.P. Horton.  Geologic and sea level history of Augustan Alexandria, Egypt.  in Mapping Roman Alexandria.  L. Hasselberger (ed).  Supplement of Journal of Roman Archeaology.

Bernhardt, C.E., and D.A., Willard.  Pollen atlas of Mid-Atlantic wetlands, United States of America.