2 edition of Studies on the use of Salix viminalis for the phytoremediation of wastewaters found in the catalog.
Studies on the use of Salix viminalis for the phytoremediation of wastewaters
Catherine Mary Mant
by University of Portsmouth, Dept. of Civil Engineering in Portsmouth
Written in English
Thesis (Ph.D.) - University of Portsmouth, 2001.
|Statement||Catherine Mary Mant.|
Salix viminalis is a fast growing willow species with potential as a plant used for biomass feedstock or for phytoremediation. However, few reference genes (RGs) for quantitative real-time polymerase chain reaction (qPCR) are available in S. viminalis, thereby limiting gene expression studies. Here, we investigated the expression stability of 14 candidate reference genes (RGs) across various Cited by: 1. gs; June 15 Published J when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in the s with the release of Letraset sheets.
Salix viminalis Duncan Slater. Loading Unsubscribe from Duncan Slater? tailler les salix ou saules crevette par f1rcx 08 01 13 55 33 - Duration: However, there are accepted species names under the Salix genus, with intraspecific ranks for the genus worldwide, including 3 species in Egypt (Fahmy, ). A previous study indicated that 34 species of Salix were used for phytoremediation (Kersten, ).Author: El-Sayed Mohamed El-Mahrouk, Eman Abdel-Hakim Eisa, Mahmoud Abdelnaby Hegazi, Mohamed El-Sayed Abdel.
Details S. viminalis is a fast-growing large shrub or small tree to 6m tall, with shiny greenish-yellow young shoots and narrow leaves that are silver-hairy beneath; slender greenish catkins open before the leaves, in late winter Plant range Eurasia. Establishing fast growing willow stands on land disposed contaminated dredged sediment can result in the revaluation of this material and opens possibilities for phytoremediation. A field trial was designed to assess the impact of planting a willow stand (Salix viminalis L. 'Orm') on the dissipation of organic contaminants (mineral oil and PAHs Cited by:
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Studies on the use of Salix viminalis for the phytoremediation of wastewaters. Author: Mant, Catherine Mary. ISNI: Awarding Body: University of Portsmouth Current Institution: University of Portsmouth Date of Award: Availability of Full Text.
The aim of this study was to evaluate the usefulness of Phalaris arundinacea, Salix viminalis and Zea mays to the phytoremediation of the soil contaminated with nickel. A 2-year microplot experiment was carried out with plants growing on Ni-contaminated soil.
Microplots (1 m2 × 1 m deep) were filled with Haplic Luvisols by: 2. In another study on eight Salix viminalis clones and one S. alba clone, differences emerged between clones in biomass production and accumulation efficiency, with two S. viminalis clones. A feasibility study of a Salix viminalis gravel hydroponic system to renovate primary settled wastewater.
Since industrial wastewaters often contain metals, the extent to which copper might inhibit wastewater treatment in this system was also examined. These efficiencies are much greater than those quoted for a Salix/soil system, and Cited by: This study assessed the suitability of two deciduous woody perennials (Salix and Populus) and two summer green herbaceous perennials (Phragmites and Urtica) for phytoremediation in terms of growth and nutrient allocation patterns.
Salix and Populus proved suitable as vegetation filters when nutrients were available to plants in near-optimal. Abstract. We tested the suitability of Salix viminalis for phytoextraction with the analysis of selected elements in soil, root, and leaf, and by visual tree condition assessment in an area with varying levels of contamination.
Bioconcentration factor (BCF) and translocation factor (TF) were used to assess the phytoextraction potential of by: 6. A biological purification system. Proceedings of a study tour, conference and workshop in Sweden, 5–10 June  Różanowski B.: Influence of Laser Photostimulation on Changes of Cadmium and Lead Content in Organs of Willow Salix viminalis, Polish Journal of Environmental Studies, vol.
8. The aim of this work was to determine selected Salix clones' capacities for biomass production and accumulation of heavy metal ions.
Determination of the relationship between sorption of metals and biomass productivity was a further purpose of this study. Eight Salix viminalis cultivars and one Salix alba cultivar were analyzed. The taxa characterized by greatest biomass production were S. alba Cited by: A pot experiment is described with a fast-growing poplar clone and two native willows (Populus deltoides Bartr.
cl.I/55 (Lux)), Salix viminalis L. and Salix purpurea L.), irrigated with landfill leachate and compost wastewater over a 1-year growing period.
The use of leachate resulted in up to % increased aboveground biomass compared to control water treatments and in up to 28% reduced Cited by: The metal concentrations for the biomass compartments of the sampled Salix viminalis ‘Orm' stand are presented in Table contents were compared with the background values of metals in plants: – mg Cd/kg, 1– mg Zn/kg, – mg Pb/kg and 5–20 mg Cu/kg (Kabata-Pendias and Pendias, ).The concentrations of Pb and Cd in this study were elevated in all plant by: Salix crops planting  or predictions on further develop-ment in this field .
Salix viminalishas been found to be useful in the con-text of phytoremediation. The use of industrial wastewaters is possible due to the extraordinary tolerance of Salix vimi-nalis to heavy metal ions often present in wastewaters. Plants regularly experience suboptimal environments, but this can be particularly acute on highly-disturbed mine sites.
Two North American willows—Salix discolor Muhl. (DIS) and S. eriocephala Michx. (ERI)—were established in common-garden field tests on two adjacent coal mine spoil sites: one with high clay content, the other with shale overburden. The high clay content site had 44% less Cited by: 1.
Salix viminalis is a known hyperaccumulator of cadmium, chromium, lead, mercury, petroleum hydrocarbons, organic solvents, MTBE, TCE and byproducts, selenium, silver, uranium, and zinc, and potassium ferrocyanide (tried on S.
babylonica L.), and as such is a prime candidate for : Salicaceae. Phytoremediation is the use of plants in order to degrade, extract or inactivate potentially hazardous compounds in contaminated soil, air or water. Phytoremediation involves different mechanisms. On the one hand, pollutants can be metabolized by plants (phytodegradation).
On the. The effect of exogenously applied citric acid (CA) on phytoextraction and antioxidant defense was analyzed using willow species (Salix viminalis, S. alba, and S. matsudana) grown in soil. Salix is known to accumulate heavy metals and, with its high productivity, it is an interesting alternative to various hyperaccumulators for phytoremediation purposes.
In an EU-project - BIORENEW (Bioremediation and economic renewal of industrially degraded land by biomass fuel crops), Salix has together with two other fuel crops Phalaris and Miscanthus, been studied to acquire understanding of Cited by: 5. ), and willow (Salix viminalis L.)—terrestrial: The use of the freeacid form of EDTA and exposure time of one to two weeks before harvesting increased the concentration of metals translocated to plant by: Natural wastewater treatment and soil phytoremediation; Drainage of soils with water excess; CLIMATE, SOIL AND WATER REQUIREMENTS Salix viminalis develops very well under temperate climate conditions, with average annual temperatures of ° C.
It does not demand that much light, as long as the recommended densities are satisfied. Záměny: Oproti dalším druhům vrb s úzkými listy, jako jsou vrba nachová (Salix purpurea), vrba bílá, vrba křehká (Salix euxina), se liší podvinutými okraji listů.
Ty však má i vrba šedá (Salix elaeagnos), která ale má odstále kadeřavé odění rubů listů. In this study, 20 SSR loci were employed to examine the genetic variance of male subpopulations and female subpopulations in Salix viminalis.
The results showed that all of the markers were polymorphic (N a =H e = ) and workable to reveal the genetic diversity of S. by: 6. Salix viminalis Breeding for metal phytoremediation and comparison of commercial varieties Larsson (), Lindegaard et al.
() Salix spp. Variability in allocation of heavy metals to bark and wood Pulford et al. () Salix viminalis Leaf response to heavy-metal-contaminated soil Hermle et al. () Salix by: A Salix viminalis/gravel system based on hydroponics was developed for wastewater renovation in order to avoid the problems of soil damage and pollution associated with long-term application of wastewater to soil.
For such a system to work the mineral elements applied must Cited by: Salix viminalis is a dioecious pioneer shrub belongs to the genus Salix, Salicaceae.
The males and females bear distinct catkins and have separate ﬂowers which can be insects- or wind-pollinated (Karp et al., ).
lisis widely distributed across the world, ranging from Atlantic Ocean eastward to.