A Regional Guidebook for Applying the Hydrogeomorphic Approach to Assessing Wetland Functions of Flats Wetlands in the Everglades

Noble, Chris; Evans, R.; McGulre, Marti; Trott, Katherine; David, Mary

doi:10.21236/ada405650

Cited by 16 publications

(27 citation statements)

References 16 publications

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“…Subclasses elsewhere in the USA have been identified for Riverine in western Kentucky (Ainslie et al 1999), northern Rocky Mountains (Hauer et al 2002), western Tennessee (Wilder and Roberts (2002), the Yazoo Basin (Smith and Klimas 2002), and peninsular Florida (Uranowski et al 2003). Subclasses of Flat have been described for the wet savannas of the Gulf and Atlantic coastal plains (Rheinhardt et al 2002) and the Everglades (Noble et al 2002). Subclasses of Depression include intermontane prairie potholes in the northern Rocky Mountains, USA (Hauer et al 2002), and the Rainwater Basin of Nebraska (Stutheit et al 2004).…”

Section: Discussionmentioning

confidence: 99%

Proposed Hydrogeomorphic Classification for Wetlands of the Mid-Atlantic Region, USA

et al. 2011

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We propose a regional classification for wetlands of the Mid-Atlantic region, USA. It combines functional characteristics recognized by the hydrogeomorphic (HGM) approach with the established classification of the National Wetland Inventory (NWI). The HGM approach supplements the NWI classification by recognizing the importance of geomorphic setting, water sources, and flow dynamics that are key to functioning wetlands. Both NWI and HGM share at their highest levels the Marine, Estuarine, and Lacustrine classes. This classification departs from the NWI system by subdividing the Palustrine system into HGM classes of Slope, Depression, and Flat. Further, the Riverine class expands to include associated Palustrine wetlands, thus recognizing the interdependency between channel and floodplain. Deepwater habitats of NWI are not included because they differ functionally. Mid-Atlantic regional subclasses recognize two subclasses each for Flat, Slope, and Marine Tidal Fringe; three subclasses for Depression; four subclasses for Lacustrine Fringe and Estuarine Tidal Fringe, and five subclasses for Riverine. Taking a similar approach in other geographic regions will better characterize wetlands for assessment and restoration. This approach was applied successfully during a regional wetlands condition assessment. We encourage additional testing by others to confirm its utility in the region.

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Section: Discussionmentioning

confidence: 99%

Proposed Hydrogeomorphic Classification for Wetlands of the Mid-Atlantic Region, USA

et al. 2011

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“…Noble et al (2013) developed a regional model for the assessment of flats and depressional wetlands. Of the several variables used (and equations developed), they speculate on a validation possibility for only a single variable (Provide characteristic wildlife habitat).…”

Section: Solving the Problemmentioning

confidence: 99%

HGM: a call for model validation

Cole

2015

Wetlands Ecol Manage

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The hydrogeomorphic (HGM) approach to wetland functional assessment has been in place for more than 20 years, yet most models developed to date have not been validated. Although HGM models are typically calibrated to a data set, we lack true validation efforts, especially as wetland scientists and managers continue to assert that measuring structure equates to an assessment of function. This paper is a call for a renewed effort at HGM validation in order to fully assure that we know when structure is measured we are also measuring function.

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“…Another potential problem is the lack of knowledge necessary to develop an accurate assessment model, and the difficulty in collecting field data that requires a high level of technical expertise. It should be noted that the functions selected for published guidebooks are in the midrange of the hierarchy of functions described above , Ainslie et al 1999, Noble et al 2002, Rheinhardt et al 2002, Hauer et al 2002.…”

Section: Hierarchy Of Functionsmentioning

confidence: 99%

“…Also, a column is usually included for entering values that will be used in data summarization, for example averages. A sample data sheet from the HGM assessment of Flats Wetlands in the Florida Everglades is shown in Figure 49 (Noble et al 2002). This data sheet is organized by the scale at which the data are collected.…”

Section: Collect Metric Datamentioning

confidence: 99%

“…The assessment team should review other guidebooks for examples of the level of specificity that is required for the assessment protocol. Examples representing different subclasses include: riverine (Ainslie et al 1999), depressions (Hauer et al 2002), flats (Noble et al 2002), multiple subclasses (Klimas et al 2004), headwater streams , and coastal wetlands (Shafer et al 2007). …”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Hydrogeomorphic (HGM) Approach to Assessing Wetland Functions: Guidelines for Developing Guidebooks (Version 2)

Smith¹,

Noble²,

Berkowitz³

2013

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The Hydrogeomorphic (HGM) Approach for assessing wetlands was developed by the U.S. Army Corps of Engineers as a procedure for assessing the capacity of a wetland to perform ecological functions. The Approach requires classification of wetlands based on geomorphic setting, water source, and hydrodynamics. The objective of the Guidelines for Guidebook Development is to provide detailed guidance on methods and procedures that have proven helpful in developing existing guidebooks. This document contains an overview of the HGM Approach; how to classify and characterize wetland subclasses; developing assessment models; selecting reference wetlands and managing reference wetland data; testing and calibrating models; developing assessment protocols for using assessments; validating assessment models; and assessment application examples.

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A Regional Guidebook for Applying the Hydrogeomorphic Approach to Assessing Wetland Functions of Flats Wetlands in the Everglades

Cited by 16 publications

References 16 publications

Proposed Hydrogeomorphic Classification for Wetlands of the Mid-Atlantic Region, USA

Proposed Hydrogeomorphic Classification for Wetlands of the Mid-Atlantic Region, USA

HGM: a call for model validation

Hydrogeomorphic (HGM) Approach to Assessing Wetland Functions: Guidelines for Developing Guidebooks (Version 2)

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