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|Succession of mangrove forests in depositional areas: a case study in southeastern Brazil|
|Cunha-Lignon, M.; Schaeffer-Novelli, Y.; Menghini, R.; De Almeida, R.
de Almeida; Coelho Jr., C.; Cintrón, G.; Dahdouh-Guebas, F. (2009). Succession of mangrove forests in depositional areas: a case study in southeastern Brazil, in: Mees, J. et al. (Ed.) (2009). VLIZ Young Scientists' Day, Brugge, Belgium 6 March 2009: book of abstracts. VLIZ Special Publication, 41: pp. 33|
|In: Mees, J.; Seys, J. (Ed.) (2009). VLIZ Young Scientists' Day, Brugge, Belgium 6 March 2009: book of abstracts. VLIZ Special Publication, 41. Vlaams Instituut voor de Zee (VLIZ): Oostende. viii, 99 pp., meer|
|In: VLIZ Special Publication. Vlaams Instituut voor de Zee (VLIZ): Oostende. ISSN 1377-0950, meer|
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This paper describes the development of mangrove forests monitored in permanent plots at the Cananéia-Iguape Coastal System. The coastal system is located along the south coast of São Paulo State (Brazil), between latitudes 24°40’S and 25°20’S. In different environmental settings, within two transects (Baguaçu and Sítio Grande) fixed plots were established. New plots were placed when new mangrove stands colonized depositional areas. Plot size varied according to stem density, varying from 2m×2m to 20m×20m, according to methodology proposed by Cintrón and Schaeffer-Novelli (1984). The monitoring was done in January/2001, November/2002, May/2003, November/2003, May/2004 and November/2004. Once field data had been collected, the average height, dnominal (dn: diameter at or close to normal stem form), basal area, basal area dominance, and stem density were assessed. The mangrove forest’s succession revealed patterns of structural development with increasing dn and mean height and decreasing density over time. We identified three stages of mangrove forest development: 1. colonization or initial; 2. young; and 3. mature. In the Baguaçu transect, the initial and young stages were dominated by Laguncularia racemosa (70-100%), and the mature stage by Avicennia schaueriana (80-90%). In contrast, in the Sítio Grande transect Rhizophora mangle dominated in the initial and mature stages (100%) and a mixed forest (R. mangle and L. racemosa) dominated in the young stage. The mangrove forests’ zonation and succession in our study sites seem to be the response of depositional processes.