302 Walker Building
Pennsylvania State University
University Park, PA 16802
Wardrop, D. H., M. E. Kentula, D. L. Stevens, S. F. Jensen, and R. P. Brooks. 2007. Assessment of Wetland Condition: An Example form the Upper Juniata Watershed in Pennsylvania, USA. Wetlands 27: 416-431.
Wardrop, D. H., M. E. Kentula, S. F. Jensen, D. L. Stevens, K. C. Hychka, and R. P. Brooks. 2007. Assessment of Wetlands in the Upper Juniata Watershed in Pennsylvania, USA, Using the Hydrogeomorphic Approach. Wetlands 27: 432-445.
Wardrop, D. H., C. Herschner, K. Havens, K. Thornton, and D. Bilkovic. 2007. Developing and Communicating a Taxonomy of Ecological Indicators: A Case Study from the Mid-Atlantic. Ecohealth 4:179-186.
Miller, S. J., D. H. Wardrop, W. M. Mahaney, and R. P. Brooks. 2006. A plant-based index of biological integrity (IBI) for headwater wetlands in central Pennsylvania. Ecological Indicators 6:290-312.
Wardrop, D. H., J. A. Bishop, M. Easterling, K. Hychka, W. L. Myers, G. P. Patil, and C. Taille. 2005. Use of landscape and land use parameters for classification and characterization of watersheds in the Mid-Atlantic across five physiographic provinces. Environmental and Ecological Statistics 12:209-223.
Patil, G. P., J. Bishop, W. L. Myers, C. Taillie, R. Vraney, and D. H. Wardrop. 2004. Detection and delineation of critical areas using echelons and spatial scan statistics with synoptic cellular data. Environmental and Ecological Statistics: Special Issue on Multiscale Advanced Raster Map Analysis.
Brooks, R. P., D. H. Wardrop, and J. A. Bishop. 2004. Assessing wetland condition on a watershed basis in the mid-Atlantic region using synoptic land cover maps. Environmental Monitoring and Assessment, Vol 94(1):9-22.
Niemi, G., D. H. Wardrop, R. P. Brooks, S. Anderson, V. Brady, H. Paerl, C. Rakocinski, M. Brouwer, B. Levinson, M. McDonald. 2004. Rationale for a new generation of ecological indicators for coastal waters. Environmental Health Perspectives, Vol 112, No. 9, pp. 979-986.
Mahaney, W. M., D. H. Wardrop, and R. P. Brooks. 2004. Impacts of stressors on the emergence and growth of wetland plant species in Pennsylvania, USA. Wetlands, Vol 24 No. 3, pp. 538-549.
Cole , C. A., R. P. Brooks, and D. H. Wardrop. 1998. Wetland hydrology and water quality as a function of hydrogeomorphic subclass. Wetlands 17(4):456-467.
Methods for Evaluating Wetland Condition: Module #10, Using Vegetation to Assess Environmental Conditions in Wetlands. EPA 822-R-01-007j. December 2001. Major Contributors: S. Fennessey, M. Gernes, J. Mack, and D. H. Wardrop.
Wardrop, D.H., and R.P. Brooks. 1998. The Occurrence and impact of sedimentation in central Pennsylvania wetlands. Environmental Monitoring and Restoration 51(1-2), 119-130.