2015
DOI: 10.1590/1519-6984.08613
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Effect of fire on a monodominant floating mat of Cyperus giganteus Vahl in a neotropical wetland

Abstract: The rhizomatous Cyperus giganteus, abundant in the Pantanal wetland, can dominate extense floodable areas as monodominant communities. The Jacadigo lake has a large area of C. giganteus, where we performed an evaluation on community structure during two months in 2010, before it was hit by a wildfire which top-killed the vegetation, compared to ten months post-fire. We utilized 40 plots of 1m × 1m, along permanent trails, assessing two strata: the upper, near the inflorescence of adult plants, and the lower, c… Show more

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Cited by 38 publications
(8 citation statements)
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“…The genus Cyperus is the most representative within Cyperaceae, with some species widely spread in the Pantanal (e.g., Cyperus haspan, C. odoratus, and C. surinamensis) (Pott and Pott 2000). The great number of native species of Fabaceae and Cyperaceae in the Pantanal was also reported in other studies (Pott et al 2011, Amador et al 2012, Catian et al 2012, Rocha et al 2015.…”
Section: Floristic Patternssupporting
confidence: 79%
“…The genus Cyperus is the most representative within Cyperaceae, with some species widely spread in the Pantanal (e.g., Cyperus haspan, C. odoratus, and C. surinamensis) (Pott and Pott 2000). The great number of native species of Fabaceae and Cyperaceae in the Pantanal was also reported in other studies (Pott et al 2011, Amador et al 2012, Catian et al 2012, Rocha et al 2015.…”
Section: Floristic Patternssupporting
confidence: 79%
“…Pivari et al (2008) reported histosol 64 cm thick for floating meadows, also with histosol formed by this sedge. Rocha et al (2015) found floating meadows formed by Cyperus giganteus Vahl with histosol of up to 70 cm thick in Jacadigo lake, also in the Pantanal. Neiff (1982) followed the development of floating meadows in different stages of succession in the Argentinean Chaco, where isles initially formed by O. cubense also reached a thickness of 70 cm in an advanced stage.…”
Section: Discussionmentioning
confidence: 89%
“…According to Pott (2007), these floating meadows are an advanced phase of the succession of aquatic vegetation, beginning with free floating macrophytes and culminating in floating isles of sedges and shrubs. There have been few floristic studies of such floating meadows in the Pantanal (Lima et al 1999;Pott and Pott 2003;Pivari et al 2008), and quantitative information, especially regarding aquatic macrophyte community structure of floating meadows, is scarce (Pivari 2008;Pivari et al 2008;Catian et al 2012;Cunha et al 2012;Rocha et al 2015).…”
Section: Introductionmentioning
confidence: 99%
“…At the generic level, species richness varies among studies. Besides the common predominance of some genera of Cyperaceae (Cyperus, Eleocharis and Rhynchospora) (Lima et al 2011, Meyer & Franceschinelli 2011, Rocha et al 2015, several reports showed an elevated species richness of Ludwigia (Onagraceae) (Pivari et al 2011, Cunha et al 2012. Ludwigia is among the most represented genera of aquatic plants in the Pantanal (Pott et al 2011) and was also cited by Pivari et al (2008) as the most representative genus for floating meadows in the Pantanal in the sub-regions of Abobral and Miranda.…”
Section: Discussionmentioning
confidence: 99%