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Biota Neotropica

Print version ISSN 1806-129XOn-line version ISSN 1676-0611


LACERDA, Luiz Drude de; MENEZES, Marcelo Oliveira Teles de  and  MOLISANI, Maurício Mussi. Changes in mangrove extension at the Pacoti River estuary, CE, NE Brazil due to regional environmental changes between 1958 and 2004. Biota Neotrop. [online]. 2007, vol.7, n.3, pp.67-72. ISSN 1806-129X.

Regional land use changes at the Pacoti River basin, Ceará State, NE Brazil resulted in doubling the mangrove area from 1958 (0.71 km2) to 2004 (1.44 km2). Most of the increase was due to the replacing of salt marsh vegetation inland, but also along newly formed islands and enlarged river banks. Drastic reduction in freshwater supply and sediment accumulation due to river damming were probably the major drivers of the increased mangrove cover. However, changes due to global climate changes can not be ruled out.

Keywords : mangroves growth; regional changes; estuary.

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