Hydrogeomorphic (HGM) classification, inventory, and reference wetlands

Robert P. Brooks, Mark M. Brinson, Denice Heller Wardrop, Joseph A. Bishop

Research output: Chapter in Book/Report/Conference proceedingChapter

10 Scopus citations


Classifying wetlands is useful for describing and managing their natural variability. The hydrogeomorphic (HGM) approach, which covers classification, reference, and functional assessment aspects, has proven to be helpful in classifying wetlands as to their position in the landscape, their source of water, and the flow of that water. In this chapter, we review the origins and characteristics of freshwater wetlands for ecoregions of the Mid-Atlantic region (MAR), which are dominated by riverine types. Inventories of wetlands in the MAR are dated, so we discuss what is known with regard to status and trends, and potential solutions. We discuss the value of establishing a reference set to assist with classification, assessment, and mitigation of wetlands, and describe the set of reference wetlands compiled for Pennsylvania by Riparia. Preliminary results from a regional condition assessment of wetlands in the MAR are provided.

Original languageEnglish (US)
Title of host publicationMid-Atlantic Freshwater Wetlands
Subtitle of host publicationAdvances in Wetlands Science, Management, Policy, and Practice
PublisherSpringer New York
Number of pages21
ISBN (Electronic)9781461455967
ISBN (Print)1461455952, 9781461455950
StatePublished - Jul 1 2013

All Science Journal Classification (ASJC) codes

  • General Agricultural and Biological Sciences
  • General Environmental Science


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