The effects of biological geotextiles on gully stabilization in São Luís, Brazil

A. Guerra (), J. Bezerra, M. Fullen, J. Mendonça and M. Jorge

Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, 2015, vol. 75, issue 3, 2625-2636

Abstract: This paper analyses the contribution of biological geotextiles to gully stabilization in the urban area of São Luis City (Sacavém District). Biological geotextile mats were constructed from palm leaves. At Sacavém, gully rehabilitation included the following techniques: (1) installation of Buriti geotextiles, in association with barriers of wooden stakes and the construction of contoured terraces; (2) analysis of sediment particle size and (3) photograph comparison of the development of vegetal cover. Rehabilitation used ~30 kg of grass seeds (Brachiaria decumbens) on slopes, in combination with geotextiles. Besides recuperating a degraded area, income has been generated to poor people, who live around Sacavém gully, either by producing the geotextiles or by applying them on the soil, together with grass seeds, lime and NPK to improve soil properties. Copyright Springer Science+Business Media Dordrecht 2015

Keywords: Biological geotextile; Buriti mats; Gully; Rehabilitation (search for similar items in EconPapers)
Date: 2015
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Citations: View citations in EconPapers (3)

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DOI: 10.1007/s11069-014-1449-0

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