302 Walker Building
Pennsylvania State University
University Park, PA 16802
Telehone: 814.863.1005
FAX: 814.863.7943
Email: dhw110@psu.edu
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.