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Research onTidal Wetlands - Refinement and Validation of a Multi-Level Assessment Method for Mid-Atlantic Tidal Wetlands

Forest marsh

ArcIMS Projects - Level I & Level II

- Nanticoke River, MD

- York River, VA

To monitor the extent and condition of wetland resources across the Mid-Atlantic physiographic region, efforts are currently underway in a number of states, most notably Delaware, Maryland, Pennsylvania and Virginia, to develop and implement wetland assessment models. The purpose of these models is to assess the condition of wetland resources and to track changes in the condition
of these systems over time, primarily due to anthropogenically induced stressors surrounding individual wetlands or the watershed in which they are located.

This project is designed to provide the Virginia Marine Resources Commission (VMRC), Virginia Department of Environmental Quality (DEQ), Delaware Department of Natural Resources and Environmental Control (DE DENREC), Maryland Department of Natural Resources (MD DNR) and the Maryland Department of the Environment (MDE) with the ability to report the current extent and condition of estuarine wetlands of three major, tidal river systems of the Delmarva. We have developed this multi-level (Level I, Level II and Level III) tidal wetland inventory and assessment methodology for Delmarva using the estuarine segments of the York River, Virginia, Nanticoke River, Maryland and the Indian River, Delaware as our project watersheds

This report outlines the development of Level II & III assessment methods of this multi-level tidal wetland inventory and assessment. The Level I assessment was developed under previous EPA project (CD-973494-01) and applied here to the Nanticoke and Indian Rivers. It is intended that this assessment model can serve as a prototype for expanded investigations into other watersheds in the future.

Disclaimer

The Center for Coastal Resources Management (CCRM) provides these data with the understanding that it is not guaranteed to be correct or complete, and conclusions drawn from the data set are the sole responsibility of the user. Every attempt has been made to ensure that these data and the documentation are reliable and accurate. Neither CCRM, nor the Virginia Institute of Marine Science (VIMS) assume liability for any damages caused by inaccuracies in the data or documentation, or as a result of failure of the data to perform in a particular manner. CCRM and VIMS make no warranty, express or implied, as to the accuracy, completeness, or utility of this information, nor does the fact of distribution constitute a warranty. Individuals who download these data agree to the following, and understand the limitations defined. CCRM is not responsible for misuse of these data. CCRM does not oversee or assume responsibility for alterations to this product by users. CCRM may not address specific questions from users who received the data through another party. Distribution of these data is not restricted. CCRM, however, recommends metadata file(s) always remain with the data. CCRM encourages noticeable errors be reported to CCRM contact person identified in the metadata file.

Integration of these data into other products requires proper citation. Proper citation for this dataset is:

O'Brien, D.L., Jacobs, A., Berman, M.R., Rudnicky, T., McLaughlin, E., Howard, A., 2007. Refinement and validation of a multi-level assessment method for Mid-Atlantic tidal wetlands. Center for Coastal Resources Management, Virginia Institute of Marine Science, College of William and Mary. Final report: Wetland Program Development Grant (EPA #CD-973494-01), US Environmental Protection Agency, Region 3, Philadelphia, PA.

 

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