Designing Sustainable Landscapes: Salt Marsh Ditching Metric
The salt marsh ditching metric is an element of the ecological integrity analysis of the
Designing Sustainable Landscapes (DSL) project (McGarigal et al. 2014). Consisting of a
composite of 21 stressor and resiliency metrics, the index of ecological integrity (IEI)
assesses the relative intactness and resiliency to environmental change of ecological
systems throughout the northeast. As a stressor metric, salt marsh ditching provides an
index of the relative intensity of ditching in salt marshes. Metric values range from 0 (no
effect from nearby ditches) to 1 (severe effect).
Modification Date: Fri 10 Mar 2017 08:11:44 PM
Contributors: University of Massachusetts Landscape Ecology Lab

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