The spatial distribution of Copernicia alba (Morong) in the district of Bahia Negra, Paraguay

Cisz, Michelle E.

doi:10.37099/mtu.dc.etds/152

Cited by 2 publications

(2 citation statements)

References 30 publications

(31 reference statements)

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“…This 10–20 m tall palm has a corky meristem, which makes it resistant to fire. Additionally, the secondary adventitious roots promote the palm's survival during inundation (Cisz et al, 2013). This species can be found on different soils, such as black alkaline or saline clays or sandy soils, depending on fertility and high pH value (Pott et al, 2011).…”

Section: Methodsmentioning

confidence: 99%

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Environmental drivers of three neighbouring monodominant stands in Pantanal wetland

Damasceno‐Junior

Oldeland

Amador

et al. 2021

J Vegetation Science

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Questions Inundation is an important feature linked to monodominance in tropical wetlands. The occurrence of neighbouring monodominant species indicates that soil can also have an important role. This study aimed to determine if variations in densities of three neighbouring monodominant species, Byrsonima cydoniifolia, Copernicia alba and Tabebuia aurea, are related primarily to variation of flooding patterns and secondarily to soil physicochemical variations in the Pantanal. Location This study was performed in the southern Pantanal subregion of Miranda. Methods We sampled 74 plots of 25 m × 25 m distributed among 15 patches of these species (five patches of each species). In each plot, we sampled all individuals of all shrub and tree species, checked the water mark left on tree trunks by the last flooding, and collected soil samples. Data were analyzed using canonical correspondence analysis (CCA) and regression trees. Results We found that the main driver splitting these monodominant stands is soil, and that the secondary driver is inundation. The main drivers for Copernicia alba were higher soil pH, higher inundation and soil contents of Mg. For Byrsonima cydoniifolia, the main drivers were low Ca and Mg contents and high content of fine sand. Tabebuia aurea was the only species for which inundation was the main driver. Conclusions We reject the hypothesis that inundation is the main driver splitting these monodominant stands. Differences in flooding levels were not crucial for two of the three species. Except for Tabebuia aurea, which was more influenced by inundation, soils were found to play an essential role in this spatial separation.

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Section: Methodsmentioning

confidence: 99%

“…Copernicia alba produces small (1.0–1.5 cm) fruits irregularly and throughout the year. Dispersal depends on birds, small rodents, herbivores and strong winds, all of which spread the seeds (Cisz et al, 2013). The ripe fruits are edible, and the wood is used for construction and other purposes (Bortolotto et al, 2015).…”

Section: Methodsmentioning

confidence: 99%

Environmental drivers of three neighbouring monodominant stands in Pantanal wetland

Damasceno‐Junior

Oldeland

Amador

et al. 2021

J Vegetation Science

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Small-Scale Spatial Patterns of <i>Copernicia alba</i> Morong near Bahia Negra, Paraguay

Cisz¹,

Falkowski²,

Orr³

2013

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We assessed the spatial distribution of Copernicia alba Morong. In the study area, a lowland palm savanna floodplain, C. alba is the only overstory species. We hypothesized C. alba would be randomly distributed within natural stands. Palms were tallied in six randomly located 0.25 ha plots and analyzed using a first-order, Ripley's K function to assess the distribution of juvenile, adult, and total palm populations. While the total population had either aggregated or random distributions, when analyzing juvenile and adult population separately, we found juveniles were consistently more aggregated than the adults.

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The spatial distribution of Copernicia alba (Morong) in the district of Bahia Negra, Paraguay

Cited by 2 publications

References 30 publications

Environmental drivers of three neighbouring monodominant stands in Pantanal wetland

Environmental drivers of three neighbouring monodominant stands in Pantanal wetland

Small-Scale Spatial Patterns of <i>Copernicia alba</i> Morong near Bahia Negra, Paraguay

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The spatial distribution of Copernicia alba (Morong) in the district of Bahia Negra, Paraguay

Cited by 2 publications

References 30 publications

Environmental drivers of three neighbouring monodominant stands in Pantanal wetland

Environmental drivers of three neighbouring monodominant stands in Pantanal wetland

Small-Scale Spatial Patterns of &lt;i&gt;Copernicia alba&lt;/i&gt; Morong near Bahia Negra, Paraguay

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Small-Scale Spatial Patterns of <i>Copernicia alba</i> Morong near Bahia Negra, Paraguay