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Historical Loss and Current Rehabilitation of Shoreline Habitat along an Urban-Industrial River—Detroit River, Michigan, USA

Author

Listed:
  • John H. Hartig

    (U.S. Fish and Wildlife Service, Detroit River International Wildlife Refuge, 9311 Groh Road, Grosse IIe, MI 48138, USA)

  • David Bennion

    (U.S. Geological Survey, Great Lakes Science Center, 1451 Green Road, Ann Arbor, MI 48105, USA)

Abstract

The purpose of this study was to evaluate the historical loss and current shoreline habitat rehabilitation efforts along the urban-industrial Detroit River using geographical information system methods and a shoreline survey. This study found a 97% loss of historical coastal wetlands to human development. By 1985, 55% of the U.S. mainland shoreline had been hardened with steel sheet piling or concrete breakwater that provide limited habitat. Since 1995, 19 projects were implemented, improving 4.93 km of shoreline habitat. A comparison of the 1985 and 2015 georeferenced aerial imagery showed that 2.32 km of soft shoreline was also converted to hard shoreline during this timeframe. Of the 19 projects surveyed, 11 representing 3.35 km made habitat improvements to shoreline that was already georeferenced as “soft“, three representing 360 m converted shoreline from “hard” to “soft”, and five representing 1.22 km added incidental habitat to hardened shoreline. Even with the addition of 1.58 km of new soft shoreline and incidental habitat, there was an overall net loss of 0.74 km of soft shoreline over the 30-year timeframe. To reach the “good” state of at least 70% soft shoreline, an additional 12.1 km of soft shoreline will have to be added. This confirms that shoreline hardening continues despite the best efforts of resource managers and conservation organizations. Resource managers must become opportunistic and get involved up front in urban waterfront redevelopment projects to advocate for habitat. Incremental progress will undoubtedly be slow following adaptive management.

Suggested Citation

  • John H. Hartig & David Bennion, 2017. "Historical Loss and Current Rehabilitation of Shoreline Habitat along an Urban-Industrial River—Detroit River, Michigan, USA," Sustainability, MDPI, vol. 9(5), pages 1-20, May.
    • Handle: RePEc:gam:jsusta:v:9:y:2017:i:5:p:828-:d:98711
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    Cited by:

    1. Guerra, Angélica & Roque, Fabio de Oliveira & Garcia, Letícia Couto & Ochoa-Quintero, José Manuel & Oliveira, Paulo Tarso Sanches de & Guariento, Rafael Dettogni & Rosa, Isabel M.D., 2020. "Drivers and projections of vegetation loss in the Pantanal and surrounding ecosystems," Land Use Policy, Elsevier, vol. 91(C).
    2. Ali Keyvanfar & Arezou Shafaghat & Sapura Mohamad & Mu’azu Mohammed Abdullahi & Hamidah Ahmad & Nurul Hidayah Mohd Derus & Majid Khorami, 2018. "A Sustainable Historic Waterfront Revitalization Decision Support Tool for Attracting Tourists," Sustainability, MDPI, vol. 10(2), pages 1-23, January.

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