Number of published evaluations of habitat rehabilitation in various parts of the world. Number of published studies located examining different types of habitat rehabilitation.

Project Title

Habitat rehabilitation for inland fisheries: international review of effectiveness and guidance for restoration of freshwater ecosystems

Description

Habitat restoration and rehabilitation are not only widespread in the Pacific Northwest, but also throughout Europe and many other parts of the world. Despite massive investments in aquatic habitat rehabilitation for fisheries resources and many texts on how to construct and plan restoration activities, no global synthesis exists on effectiveness of different habitat rehabilitation techniques. We recently completed a project for the Inland Water Resources and Aquaculture Service of the Food and Agriculture Organization of the United Nations to synthesize available literature on effectiveness of habitat rehabilitation techniques throughout the world. We have located almost 300 published evaluations of freshwater habitat rehabilitation projects including studies on roads and sediment reduction, riparian and floodplain rehabilitation, placement of habitat structures in lakes and streams, addition of nutrients to increase aquatic production, as well as other less common techniques. In particular, have summarized what is known about the effects of various techniques at restoring natural processes, improving habitat, and increasing fish and other biota numbers and provide recommendations on which techniques are effective as well as recommendations on planning and monitoring rehabilitation projects.

Investigators

Phil Roni, Karrie Hanson, Tim Beechie, George Pess, Michael Pollock

Collaborators

Devin Bartley (Food and Agriculture Organization of the United Nations), Karrie Hanson (NWFSC)

Support

Food and Agriculture Organization of the United Nations, and NOAA Fisheries

Project Status

Completed (pdf)

Relevant Publications

Roni, P., K. Hanson, T. Beechie, G. Pess, M. Pollock, D. Bartley. 2005 Habitat rehabilitation for inland fisheries: international review of effectiveness and guidance for restoration of freshwater ecosystems. FAO Fisheries Technical Paper 484. Food and Agriculture Organization, Rome, Italy..

Roni, P., K. Hanson, and T. Beechie. In review. Global review of effectiveness of stream rehabilitation techniques. North American Journal of Fisheries Management.

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