Global Plant Ecology of Tropical Ultramafic Ecosystems

Garnica-Díaz, Claudia; Iturralde, Rosalina Berazaín; Cabrera, Betsaida; Calderón-Morales, Erick; Felipe, Fermín L.; Garcia, Ricardo Alexandrino; Hechavarría, José Luis Gómez; Guimarães, Aretha Franklin; Medina, Ernesto; Paul, Adrian L. D.; Rajakaruna, Nishanta; Restrepo, Carla; Siebert, S.J.; Berg, Eduardo van den; Ent, Antony van der; Velásquez, Grisel; Hulshof, Catherine M.

doi:10.1007/s12229-022-09278-2

Cited by 13 publications

(4 citation statements)

References 183 publications

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“…This ability might be related to the membership of B. cordata in the Buddlejaceae genus [ 10 , 11 , 12 ]. In addition, several hyperaccumulator species grow in soils rich with metals, such as ultramafic soils [ 9 ], in which B. cordata also grows [ 14 ].…”

Section: Discussionmentioning

confidence: 99%

“…These soils are generally infertile and edaphically stressful for the growth and survival of most plant species. However, ultramafic species have evolved adaptations to tolerate these stressful conditions [ 9 ], such as some species belonging to the Buddlejaceae genus (Scrophulariaceae). Buddleja asiatica was reported to be a lead hyperaccumulator [ 10 , 11 ], while B. paniculata and B. scordioides were reported to be lead accumulators [ 11 , 12 ].…”

Section: Introductionmentioning

confidence: 99%

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Changes in Growth and Heavy Metal and Phenolic Compound Accumulation in Buddleja cordata Cell Suspension Culture under Cu, Fe, Mn, and Zn Enrichment

Vazquez-Marquez,

Bernabé-Antonio,

Correa-Basurto

et al. 2024

Plants

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Buddleja cordata cell suspension cultures could be used as a tool for investigating the capabilities of this species to tolerate heavy metals (HMs) and for assessing the effects of HMs on the accumulation of phenolic compounds in this species. It grows in a wide range of habitats in Mexico, including ultramafic soils, and mobilizes some HMs in the soil. The mobilization of these HMs has been associated with phenolic substances. In addition, this species is used in Mexican traditional medicine. In the present study, a B. cordata cell suspension culture was grown for 18 days in a culture medium enriched with Cu (0.03–0.25 mM), Fe (0.25–1.5 mM), Mn (0.5–3.0 mM), or Zn (0.5–2.0 mM) to determine the effects of these HMs on growth and HM accumulation. We also assessed the effects of the HMs on phenolic compound accumulation after 1 and 18 days of HM exposure. Cells were able to grow at almost all tested HM concentrations and accumulated significant amounts of each HM. The highest accumulation levels were as follows: 1160 mg Cu kg−1, 6845 mg Fe kg−1, 3770 mg Mn kg−1, and 6581 mg Zn kg−1. Phenolic compound accumulation was affected by the HM exposure time and corresponded to each HM and its concentration. Future research should analyze whole plants to determine the capabilities of Buddleja cordata to accumulate abnormally high amounts of HM and to evaluate the physiological impact of changes in the accumulation of phenolic compounds.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Changes in Growth and Heavy Metal and Phenolic Compound Accumulation in Buddleja cordata Cell Suspension Culture under Cu, Fe, Mn, and Zn Enrichment

Vazquez-Marquez,

Bernabé-Antonio,

Correa-Basurto

et al. 2024

Plants

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“…Altitude shapes habitats from mangroves at sea level to alpine mountain peaks. The region is also home to the tropics' largest area of ultramafic soil/rock which outcrops across most islands (Galey et al, 2017 ; Garnica‐Díaz et al, 2022 ).…”

Section: Methodsmentioning

confidence: 99%

Environmental stress influences Malesian Lamiaceae distributions

Trethowan

Arvidsson

Bramley

2022

Ecology and Evolution

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Dual effects of spatial distance and environment shape archipelagic floras. In Malesia, there are multiple environmental stressors associated with increasing uplands, drought, and metal‐rich ultramafic soils. Here, we examine the contrasting impacts of multifactorial environmental stress and spatial distance upon Lamiaceae species distributions. We used a phylogenetic generalized mixed effects model of species occurrence across Malesia's taxonomic database working group areas from Peninsular Malaysia to New Guinea. Predictor variables were environmental stress, spatial distance between areas and two trait principal component axes responsible for increasing fruit and leaf size and a negative correlation between flower size and plant height. We found that Lamiaceae species with smaller fruits and leaves are more likely to tolerate environmental stress and become widely distributed across megadiverse Malesian islands. How global species distribution and diversification are shaped by multifactorial environmental stress requires further examination.

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“…'Ultramafic' is roughly synonymous to 'serpentine' (Proctor, 2003) and has been used interchangeably in papers on tropical ultramafic ecology (van der Ent et al, 2019). The characteristics of ultramafic soil determine the plant species that can thrive on it; hence, there is a large number of unique or endemic species restricted to ultramafic areas (Garnica-Díaz et al, 2022). In the Philippines, plant diversity research although geographically limited, had been done on ultramafic forest of Mt Bloomfield, Palawan (Proctor, 2003), Mt Guiting guiting, Sibuyan (Proctor et al, 1998), Surigao del Norte (Ata et al, 2016;Sarmiento, 2018), and Dinagat (Lillo et al, 2019).…”

Section: Introductionmentioning

confidence: 99%

Native Metallophytes on Ultramafic Wooded Grassland in Sta Cruz, Mindoro Occidental, Philippines: Insights Into Phytostabilization and Forest Restoration

Quimado,

Hernandez,

Tinio

et al. 2023

Sains Tanah J. Soil Sci. Agroclimatology

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The native metallophytes species are the optimum choice to restore degraded areas on ultramafic soil. However, a limited restorative floristic survey on the wooded grassland of Mindoro Occidental had been reported. Four 20 m x 20 m plots were established to rapidly assess the plant diversity of a wooded grassland on ultramafic soil in Sta. Cruz, Mindoro Occidental, Philippines. Diversity index (H`), relative density, relative dominance, and importance value (IV) were computed. Physicochemical characteristics and heavy metal contents of the soil in the site were analytically determined. We identified 43 morpho-species of plants belonging to 25 families. Thirty-six of the morpho-species identified are Philippine natives and typically grow on ultramafic forests. Nine species out of the top 10 trees with the highest IV are native ones, with Buchanania arborescens Blume as the most dominant. The estimate of Relative Cover (%) also showed native species. Poles and sapling dominated the area, suggesting that active regeneration is taking place. Further, 72.94% of the ground cover were represented by tree flora recruits (e.g., B. arborescens, Alstonia macrophylla). The sites have overall moderate diversity (H` index of 2.7). The soil contains a high amount of Nickel, Chromium, Iron, and Manganese. There were no Nickel hyperaccumulators but 22 native species showed Aluminum and Silicon hyperaccumulation. Therefore, the study revealed that the surveyed area is home to important metallophytes that have the potential for phytostabilization and reforestation.

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Global Plant Ecology of Tropical Ultramafic Ecosystems

Cited by 13 publications

References 183 publications

Changes in Growth and Heavy Metal and Phenolic Compound Accumulation in Buddleja cordata Cell Suspension Culture under Cu, Fe, Mn, and Zn Enrichment

Changes in Growth and Heavy Metal and Phenolic Compound Accumulation in Buddleja cordata Cell Suspension Culture under Cu, Fe, Mn, and Zn Enrichment

Environmental stress influences Malesian Lamiaceae distributions

Native Metallophytes on Ultramafic Wooded Grassland in Sta Cruz, Mindoro Occidental, Philippines: Insights Into Phytostabilization and Forest Restoration

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