Harnessing sediments of coastal aquaculture ponds through technosols construction for halophyte cultivation using saline water irrigation

Cortinhas, Ana; Caperta, Ana D.; Teixeira, Generosa; Carvalho, Luísa C.; Abreu, Maria Manuela

doi:10.1016/j.jenvman.2019.109907

Cited by 14 publications

(20 citation statements)

References 42 publications

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“…The TEC substrate, rich in essential nutrients and with better texture and structure for plants allowed better plant development. These findings suggest that plant cultivation in Technosols contributes to the reproductive success of L. daveaui as also found previously in Limonium algarvense (Cortinhas et al, 2020).…”

Section: Seed Germination and Plant Growthsupporting

confidence: 88%

“…The residual biomass applied as a source of C and other nutrients in the long run by slow mineralization also contributed to improve soil texture/aggregation. The addition of sand and limestone gravel enhanced the texture and permeability of the Fluvisol used in the TEC construction (Supplementary Figures 1B,D) as also shown previously (Macía et al, 2014;Cortinhas et al, 2020). No significant differences among TEC and FLU were found in terms of pH and CE.…”

Section: Characterization Of Soils Amendments and Irrigation Watersupporting

confidence: 79%

“…(4.37 mmol/L), Na + (187 mmol/L), Ca 2+ (5.24 mmol/L), and Mg 2+ (22.14 mmol/L) (Table 2) as was to be expected in estuarine water (Santos et al, 2017;Cortinhas et al, 2020).…”

Section: Characterization Of Soils Amendments and Irrigation Watersupporting

confidence: 63%

“…While some studies favor gypsum use (Ca 2 SO 4 ) to form Na 2 SO 4 that can be leached (Mozheiko, 1969;Carter et al, 1977), other works support the application of organic compounds in addition to the gypsum to improve soil nutrition, aggregation, water-holding capacity, infiltration rate and decrease in EC (Hanay et al, 2004;Diacono and Montemurro, 2015). Tailored soils can be utilized as an alternative to improve salt-affected soil properties (Macía et al, 2014;Cortinhas et al, 2020). Moreover, the cultivation of species well adapted to the saline environments (halophytes) contribute to soil recovery (Manousaki and Kalogerakis, 2011;Devi et al, 2016;Liang et al, 2017).…”

Section: Characterization Of Soils Amendments and Irrigation Watermentioning

confidence: 99%

“…An alternative environmentally friendly management of Fluvisols is via elaboration of Technosols, man-made tailored soils, whose properties and pedogenesis are dominated by their technical origin (IUSS Working Group, 2015). These soils could be elaborated from wastes and employed in the subsequent recovery of degraded and/or polluted soils, improving their physicochemical and biological properties (Macía et al, 2014;Cortinhas et al, 2020), while contributing to the circular economy (Breure et al, 2018).…”

Section: Introductionmentioning

confidence: 99%

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Conservation of a Critically Endangered Endemic Halophyte of West Portugal: A Microcosm Assay to Assess the Potential of Soil Technology for Species Reintroduction

et al. 2021

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The soil system has been frequently overlooked during plant reintroduction planning and practice since working with soils and plant roots can be difficult, particularly in saline environments. Coastal saline environments are major contributors to regional and global biodiversity and an important source of endemic species. However, various species are in decline or considered threatened, particularly halophytes (salt tolerant) due to negative anthropic impacts. The Lusitanian endemic halophyte Limonium daveaui formerly had a large distribution range along the west coast of Portugal but currently it shows a restricted distribution in the Tagus estuary. Field surveys revealed that this critically endangered species forms few local populations with small size invaded by exotic species. In this study, we investigated the potential utilization of Technosols, an innovative sustainable, ecological engineering method combined with brackish water irrigation for potential L. daveaui reintroduction in native habitats. Seed germination percentages were evaluated in different environmental conditions. Through a microcosm assay, a Technosol was constructed using a saline Fluvisol with a mixture of low value inorganic and organic wastes, which were chemically characterized. Plants were cultivated in the Fluvisol and Technosol and irrigated with brackish water collected in the nearby area. To assess plant growth, morphometric parameters and the plants’ physiological status were assessed and the fresh and dry biomass determined. Results showed that seed germination was higher on moist filter paper with distilled water than in Fluvisol or Technosol. Plants grown in Technosol had a greater development, with higher values of photosynthetic indexes and biomass production than in Fluvisol. Our findings provide a basis for future in situ conservation studies and support the idea that eco-friendly soil technology approaches are beneficial to conserve rare halophyte species.

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Section: Seed Germination and Plant Growthsupporting

confidence: 88%

Section: Characterization Of Soils Amendments and Irrigation Watersupporting

confidence: 79%

“…(4.37 mmol/L), Na + (187 mmol/L), Ca 2+ (5.24 mmol/L), and Mg 2+ (22.14 mmol/L) (Table 2) as was to be expected in estuarine water (Santos et al, 2017;Cortinhas et al, 2020).…”

Section: Characterization Of Soils Amendments and Irrigation Watersupporting

confidence: 63%

Section: Characterization Of Soils Amendments and Irrigation Watermentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Conservation of a Critically Endangered Endemic Halophyte of West Portugal: A Microcosm Assay to Assess the Potential of Soil Technology for Species Reintroduction

et al. 2021

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Germination and sustainable cultivation of succulent halophytes using resources from a degraded estuarine area through soil technologies approaches and saline irrigation water

et al. 2023

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The degradation of estuarine areas has been a growing concern in recent years, as these ecosystems offer several services. The Arthrocnemum and Suaeda genera produce useful compounds with various applications, which have led to their overexploitation in their native habitats. The main goal of this study is to use green technologies for sustainable cultivation of two species bioindicators of Mediterranean saltmarshes, Arthrocnemum macrostachyum and Suaeda vera, as an alternative to their overutilization. A tailored soil (TAIL) was constructed with a Saline Fluvisol (FLU), from a marginal estuarine area, and organic/inorganic residues were used as amendments, for plant cultivation. Seeds collected in natural populations were pretreated with two dormancy‐breaking treatments (H2SO4, H2O2) and germinated in FLU or TAIL. A microcosm assay using FLU or TAIL irrigated with estuarine water (VF) or three aqueous saline solutions (0, 200, or 400 mmol/L NaCl) was established. The species obtained a low percentage of seeds' germination being the highest values under substrate control (water‐soaked filter paper). The A. macrostachyum reached the highest germination percentage when seeds were pretreated with H2SO4 (20%) while the germination of S. vera was favored by the pretreatment with H2O2 (49%). Both species had the highest growth in TAIL irrigated with 0 or VF, presenting the largest stems (13–32 cm), the largest primary branches (3.5–7.2 cm), and the highest production of aerial part biomass (28–36 g). This study contributes to the sustainable cultivation of these valuable halophytes and could play an important role in the sustainable management of marginal estuarine land.

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Rare and Endangered Halophytes: Biodiversity, Economic Importance, and Strategies for Their Conservation

Gupta,

Chaturvedi,

Dagar

et al. 2024

Halophytes Vis-À-Vis Saline Agriculture

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Harnessing sediments of coastal aquaculture ponds through technosols construction for halophyte cultivation using saline water irrigation

Cited by 14 publications

References 42 publications

Conservation of a Critically Endangered Endemic Halophyte of West Portugal: A Microcosm Assay to Assess the Potential of Soil Technology for Species Reintroduction

Conservation of a Critically Endangered Endemic Halophyte of West Portugal: A Microcosm Assay to Assess the Potential of Soil Technology for Species Reintroduction

Germination and sustainable cultivation of succulent halophytes using resources from a degraded estuarine area through soil technologies approaches and saline irrigation water

Rare and Endangered Halophytes: Biodiversity, Economic Importance, and Strategies for Their Conservation

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