New model protects wetlands of the future

November 29, 2005

In the latest issue of Restoration Ecology, researchers describe a new model for coastal development. Using survey data conducted in Lake Pontchartrain, LA, they created a Potential SAV (Submersed Aquatic Vegetation) model. It predicts potential habitat changes in SAV caused by the changes in water clarity or shoreface slopes as a result of natural disturbances or restoration efforts. Often, only the existing SAV beds are considered for conservation efforts. This model helped set a restoration goal; and the assessment of potential beds provides protection of these areas from future degradation.

The general model was based on three relationships: water clarity controls colonization depth, average water fluctuation and wave mixing depth determines minimum colonization depth, and site differences are determined by the shoreface slope angle. With these parameters, the model figures the key factors and provides quantitative results that predict gain from different levels of habitat restoration scenarios. "This model can be used in other coastal SAV habitats if local SAV light requirements are substituted for Lake Pontchartrain values" the authors explain.
-end-
This article is published in the December issue of Restoration Ecology. Media wishing to receive a PDF please email JournalNews@bos.blackwellpublishing.net

Restoration Ecology fosters the exchange of ideas among the many disciplines involved in the process of ecological restoration. Addressing global concerns and communicating them to the international scientific community, the journal is at the forefront of a vital new direction in science and ecology. It is published on behalf of the Society for Ecological Restoration International.

Lead author Hyun Jung Cho is an assistant professor in the Department of Biology at Jackson State University. She develops and teaches remote sensing, and wetland ecology courses. Dr. Cho is available for media questions and interviews.

Blackwell Publishing is the world's leading society publisher, partnering with more than 600 academic and professional societies. Blackwell publishes over 750 journals annually and, to date, has published close to 6,000 text and reference books, across a wide range of academic, medical, and professional subjects.

Blackwell Publishing Ltd.

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