Responses of the wetland grass, Beckmannia syzigachne , to salinity and soil wetness: Consequences for wetland reclamation in the oil sands area of Alberta, Canada

Glaeser, Lilyan C.; Vitt, Dale H.; Ebbs, Stephen D.

doi:10.1016/j.ecoleng.2015.10.009

Cited by 24 publications

(12 citation statements)

References 21 publications

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“…At 5‰ salinity level, the root/shoot ratio of R. pseudoacacia decreased significantly, which was related to the severe reduction of root biomass. The similar result was also found by Fernández-García et al (2014) and Glaeser et al (2016). However, Li et al (2016) didn't find the significant change in root/shoot ration for R. chinensis, which may be controlled by the genes in plants (Coyle and Coleman, 2005).…”

Section: Discussionsupporting

confidence: 77%

Effects of salt stress on eco-physiological characteristics in Robinia pseudoacacia based on salt-soil rhizosphere

Mao

Zhang

Cao

et al. 2016

Science of The Total Environment

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Robinia pseudoacacia is the main arbor species in the coastal saline-alkali area of the Yellow River Delta. Because most studies focus on the aboveground parts, detailed information regarding root functioning under salinity is scare. Root traits of seedlings of R. pseudoacacia including morphological, physiological and growth properties under four salinity levels (CK, 1‰, 3‰ and 5‰ NaCl) were studied by the pot experiments to better understand their functions and relationships with the shoots. The results showed that seedling biomass decreased by the reduction of root, stem and leaf biomass with the increase of salinity levels. With increasing salinity levels, total root length (TRL) and total root surface area (TRSA) decreased, whereas specific root length (SRL) and specific root area (SRA) increased. Salt stress decreased root activity (RA) and the maximum net photosynthetic rate (Amax) and increased the water saturation deficit (WSD) significantly in the body. Correlation analyses showed significantly correlations between root morphological and physiological parameters and seedling biomass and shoot physiological indexes. R. pseudoacacia seedlings could adapt to 1‰ salinity by regulating the root morphology and physiology, but failed in 5‰ salinity. How to adjust the water status in the body with decreasing water uptake by roots was an important way for R. pseudoacacia seedlings to adapt to the salt stress.

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Section: Discussionsupporting

confidence: 77%

Effects of salt stress on eco-physiological characteristics in Robinia pseudoacacia based on salt-soil rhizosphere

Mao

Zhang

Cao

et al. 2016

Science of The Total Environment

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“…Likewise, in our own greenhouse trials we observed a negative performance of Carex aquatilis and Triglochin maritima in solutions with high sodium concentrations in pore water (Vitt 2016). Glaeser et al (2016) found that both primary production and photosynthetic performance of Beckmannia syzigachne was lowered at sodium concentrations of 500 mg L -1 . Some moss species, such as Ptychostomum pseudotriquetrum, Sphagnum warnstorfii, and Tomentypnum nitens have the ability to survive oil sands process water with sodium concentrations up to 500 mg L -1 .…”

Section: R a F Tmentioning

confidence: 99%

Sandhill Fen, an initial trial for wetland species assembly on in-pit substrates: lessons after three years

Vitt

House

Hartsock

2016

Botany

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Open-pit mining of oil sands removes wetland plant communities from the landscape. Sandhill Watershed, located on Syncrude Canada’s oil sands lease, is the first reclamation of a complex watershed that includes a 17 ha central wetland designed to develop into a rich fen. Here we sample the vegetation after three years. Of the 124 plant species recorded, 48% are peat-forming species, including 24 bryophyte species. We identified, using ordination techniques, four plant assemblages that vary in abundance of peat-forming plants. Each assemblage occurs in a spatially distinct area of Sandhill Fen, forming vegetation zones that are closely associated with height of water table. The plant assemblage distributed in the wettest areas has abundant marsh species. The assemblages in the driest areas of the fen have large numbers of upland and weed species and few species characteristic of fens. In between is a species assemblage with an abundance of species characteristic of natural peat-forming habitats. Two key findings are: water levels control spatial distributions of species assemblages, and non-peat-forming plant species are abundant and a concern for the establishment of peat-forming wetlands. Future designs should include plans for a number of interconnected site types such as marshes, fens, and riparian areas.

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“…Problems caused by salinity are mostly due to a reduced osmotic potential of the soil solution, and the absorption via water of essential nutrients, such as potassium, causing an imbalance in the K + /Na + ratio, which is responsible for osmotic adjustment in plants (Vieira et al, 2016). As Glaeser et al (2016) have observed, osmotic adjustment enables water absorption in high salinity conditions, thus contributing to plant growth and production levels.…”

Section: Introductionmentioning

confidence: 99%

Effects of water salinity and organomineral fertilization on leaf composition and production in Passiflora edulis

Souza

Nunes

Cavalcante

et al. 2018

Rev. bras. eng. agríc. ambient.

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An experiment was undertaken in Remígio County, Paraíba State, Brazil, from July 2013 to May 2014, in order to evaluate the effects of saline water irrigation, bovine biofertilizer, and potassium type on soil salinity, leaf macronutrient composition, and production of yellow passion fruit cv. BRS Gigante Amarelo. Treatments were distributed in randomized blocks, arranged in a 2 × 2 × 2 factorial design, with reference to electrical conductivity of the water (0.35 and 4.00 dS m-1), soil with and without bovine biofertilizer, and application of potassium chloride as a conventional treatment (KCl) and in an organic polymer-coated form, supplied monthly. Bovine biofertilizer was diluted in non-saline water (proportion, 50%) and applied via water at a volume of 6 L plant-1 one day before transplanting, and then every 90 days. The combination of saline water with bovine biofertilizer raised soil salinity to a similar proportion when comparing saline water and conventional potassium chloride with saline water and polymer-coated potassium chloride. The increase in water saline concentrations associated with both types of potassium chloride and with bovine biofertilizer elevated soil salinity from non-saline to saline. On starting to flower, plants of cv. BRS Gigante Amarelo were deficient in macronutrients other than nitrogen and potassium, but nonetheless produced fruits of an adequate mass for the consumer market.

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Responses of the wetland grass, Beckmannia syzigachne , to salinity and soil wetness: Consequences for wetland reclamation in the oil sands area of Alberta, Canada

Cited by 24 publications

References 21 publications

Effects of salt stress on eco-physiological characteristics in Robinia pseudoacacia based on salt-soil rhizosphere

Effects of salt stress on eco-physiological characteristics in Robinia pseudoacacia based on salt-soil rhizosphere

Sandhill Fen, an initial trial for wetland species assembly on in-pit substrates: lessons after three years

Effects of water salinity and organomineral fertilization on leaf composition and production in Passiflora edulis

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