The Mangrove Forest at the Bucatu Lagoon, Northeast Brazil: Structural Characterization and Anthropic Impacts

Alves, Rômulo Romeu Nóbrega; Sassi, Roberto; Santana, Gindomar Gomes

doi:10.1177/194008291300600207

Cited by 1 publication

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“…Forest regeneration leads to modifications in species composition and vegetation structure (Berger and Wolff 2010), and many studies have used phytosociology to recognize and classify the resulting patterns (e.g. Kjerfve et al 1997;Santos et al 1997;Souza and Sampaio 2001;Dahdouh-Guebas et al 2002;Matni et al 2006;Hollowell 2009;Barbosa 2010;Kilca et al 2010;Satyanarayana et al 2010;Maia and Coutinho 2012;Alves et al 2013;Aung et al 2013;Souza and Sampaio 2013;Bernini et al 2014;Schmiegelow and Gianesella 2014).…”

Section: Introductionmentioning

confidence: 99%

Structure of a disturbed mangrove in the Rio Parnaíba delta, Piauí, northeast Brazil

et al. 2018

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Phytosociological analysis was used to quantify the structure of a disturbed mangrove next to a tidal creek of the Rio Igaraçu, Piauí, northeast Brazil, and comparison was made with a survey made fourteen years earlier. Thirty 10×10 m plots were demarcated in three areas of ten plots each. Height and circumference of trees of circumference at breast height ≥ 15 cm were measured in 285 individuals of Avicennia germinans (L.) L., Laguncularia racemosa (L.) C.F.Gaertn. and Rhizophora mangle L. Height ranged from 1.5−15 m (mean 4.4 m) and diameter from 4.8−28.7 cm (mean 7.2 cm). Avicennia and Laguncularia showed the highest parameter values (importance values 52% and 44%, respectively). Furthest from the creek and subject to less frequent tidal flooding, only Avicennia occurred, shorter (mean height 3.8 m) and fewer (density 130 ind ha−1) than elsewhere. In the central area (density 1240 ind ha−1) Avicennia dominated Laguncularia (importance values 53% vs. 47%). All species occurred nearest the creek (density 1480 ind ha−1, importance values Laguncularia 47%, Avicennia 46%, Rhizophora 7%), and heights and diameters were lower. Changes from a previous study suggest selective logging of larger individuals nearer the creek, especially Rhizophora, favouring regeneration of Laguncularia.

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