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Please use this identifier to cite or link to this item: http://hdl.handle.net/2328/26360

Title: Remote sensing and wetland ecology: a South African case study
Authors: De Roeck, Els R
Verhoest, Niko E C
Miya, Mtemi H
Lievens, Hans
Batelaan, Okke
Thomas, Abraham
Brendonck, Luc
Keywords: South Africa
Wetland monitoring
Remote sensing
Landsat images
Issue Date: 2008
Publisher: MDPI, Switzerland
Citation: De Roeck, E.R., Verhoest, N.E.C., Miya, M.H., Lievens, H., Batelaan, O., Thomas, A. and Brendonck, L., 2008. Remote sensing and wetland ecology: a South African case study. Sensors, 8, 3542-3556.
Abstract: Remote sensing offers a cost efficient means for identifying and monitoring wetlands over a large area and at different moments in time. In this study, we aim at providing ecologically relevant information on characteristics of temporary and permanent isolated open water wetlands, obtained by standard techniques and relatively cheap imagery. The number, surface area, nearest distance, and dynamics of isolated temporary and permanent wetlands were determined for the Western Cape, South Africa. Open water bodies (wetlands) were mapped from seven Landsat images (acquired during 1987 – 2002) using supervised maximum likelihood classification. This study has indicated that ecologically relevant data can be generated for the larger wetlands through relatively cheap imagery and standard techniques, despite the relatively low resolution of Landsat and Envisat imagery. For the characterisation of very small wetlands, high spatial resolution optical or radar images are needed. This study exemplifies the benefits of integrating remote sensing and ecology and hence stimulates interdisciplinary research of isolated wetlands.
URI: http://hdl.handle.net/2328/26360
ISSN: 1424-8220
Appears in Collections:School of the Environment - Collected Works

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