Willows Beyond Wetlands: Uses of Salix L. Species for Environmental Projects

Kuzovkina, Yulia A.; Quigley, Martin F.

doi:10.1007/s11270-005-6272-5

Cited by 229 publications

(153 citation statements)

References 94 publications

(98 reference statements)

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“…From this point of view, poplar or willow plantations for bio-energy production can be a valuable solution. Moreover, Veeneklaas (2008) stresses that bio-energy plantations might also be the most profitable alternative in flood-prone areas because willows and poplars tolerate frequently flooded or saturated soils (Kuzovkina and Quigley, 2005).…”

Section: Agriculturementioning

confidence: 99%

Assessing the potential impacts of climate change on traditional landscapes and their heritage values on the local level: Case studies in the Dender basin in Flanders, Belgium

Dupont

Eetvelde

2013

Land Use Policy

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GIS, based on the results of impact-and model studies. The vulnerability maps indicate that both case studies are sensitive to climate change. In particular, forest desiccation, wind throw, crop deterioration, soil erosion and flooding might affect the landscape quality and threaten the natural-scientific, historical and aesthetic heritage values of the landscapes. In order to preserve these heritage values, the adaptation maps present possible adaptation measures, which are sustainable and non-destructive with respect to the landscape quality. Although adaptation will cause change as well, it offers more chances to preserve the heritage values of the landscapes. To be effective, detailed climate change vulnerability and adaptation maps should be included in the binding landscape management plans.

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Section: Agriculturementioning

confidence: 99%

Assessing the potential impacts of climate change on traditional landscapes and their heritage values on the local level: Case studies in the Dender basin in Flanders, Belgium

Dupont

Eetvelde

2013

Land Use Policy

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“…Willows are phreatophytes (their roots seek out the saturated zone at the top of the water table), making them good candidates for groundwater remediation (Huang et al,, 2005). As a result of their high evapotranspiration rates, willows have been proven to reduce percolation of nutrients and accumulate metals (Kuzovkina and Quigley, 2005). Use of native plants in phytoremediation provides advantages over other species and helps bring back the heritage of flora lost through human activity that provides for wildlife habitat enhancement and conservation (EPA, 2000).…”

Section: Willow Phytoremediation Potentialmentioning

confidence: 99%

“…Willow species have successfully colonized open habitats, man-altered habitats and disturbed habitats because they are able to survive in nutrient limited sites (Kuzovkina and Quigley, 2005).…”

Section: Willow Phytoremediation Potentialmentioning

confidence: 99%

“…These characteristics can pioneer a community, accelerating the recovery of a damaged ecosystem and re-establishing the natural ecological complex of organisms (Kuzovkina and Quigley, 2005). Initial colonies of willow have produced microclimates which include shade, leaf debris, root action and formation of humus, all of which improves the soil structure and nutrient status for future plants (Kuzovkina and Quigley, 2005). The roots of willow trees are noted for their tolerance of flooded or saturated soils and oxygen shortage in the root zone (Kuzovkina et al, 2004;Jackson and Attwood, 1996).…”

Section: Willow Phytoremediation Potentialmentioning

confidence: 99%

“…Willows have a high wildlife value, providing habitat and food for diverse organisms (Kuzovkina and Quigley, 2005).…”

Section: Willow Phytoremediation Potentialmentioning

confidence: 99%

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Phytoremediation of Weathered Petroleum in Groundwater by Arroyo Willows in Nutrient Amended On-Site Mesocosms

Bragg-Flavan¹

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A large-scale mesocosm study was conducted to determine if vegetation with willow trees enhances biodegradation and to evaluate the mechanisms of natural biodegradation of weathered petroleum compounds under field conditions. The mesocosms were designed to model conditions at a former oil field where mid-range petroleum distillates were used as a diluent for pumping crude oil contaminated the soil and groundwater at the site with petroleum compounds. Ten mesocosms were constructed at the field site using un-impacted soil and diluent-impacted groundwater from the site. Five of the mesocosms were planted with Arroyo Willow trees native to the field site and the other five served as controls without trees. Since these willow trees are phreatophytes, their roots are capable of consuming water from the water table. A previous study was conducted using these mesocosms, however the willow trees then were in poor condition.In this study, fertilizer was added to the mesocosms to promote healthy growth of the willows. Fertilizer was added equally to mesocosms with and without willow trees to avoid introducing bias. Groundwater was circulated through the mesocosms for two 109 to 126 days runs, while the total petroleum hydrocarbon (TPH) concentrations of the groundwater were measured periodically. Dissolved oxygen concentrations were also monitored in each of the mesocosms to determine if the willow trees had any impact on oxygen transfer to the subsurface.In the first run without nutrient amendments the trees did not enhance biodegradation.All the mesocosms started with an average TPH concentration of 6.3 mg/L and ended vi with a concentration of 1.0 mg/L. After this first run, nutrient amendments were added to all the mesocosms, resulting in healthy trees with robust growth. With healthy willow trees, the planted mesocosms resulted in a statistically significant increase in long-term biodegradation of dissolved-phase petroleum compounds. The planted mesocosms resulted in 29 percent more degradation. These results agree with prior lab studies using bench-scale microcosms with media from the former oil field which indicated that TPH concentrations after 100 days were lower in containers with willows or lupines compared to controls without plants. Microtox ® toxicity decreased for both planted and control mesocosms, showing no toxic root exudates or by-products.There are several potential mechanisms of the observed phytoremediation. Terminal restriction fragment analyses showed that the planted mesocosms had different microbial communities than the unplanted mesocosms. Thus, a possible mechanism of the phytoremediation is stimulation of a rhizobial microbial community that biodegrades petroleum compounds. The dissolved oxygen (DO) concentrations were actually lower in the planted mesocosms, possibly due to consumption of oxygen during biodegradation of root exudates. The reduced DO concentrations in the planted mesocosm discounts the possibility that the plants stimulated biodegradation by increasing oxygen transfer to the ...

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Short‐rotation Woody Crop Biomass Production for Bioenergy

Kiser

Fox

2013

Biofuel Crop Sustainability

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Willows Beyond Wetlands: Uses of Salix L. Species for Environmental Projects

Cited by 229 publications

References 94 publications

Assessing the potential impacts of climate change on traditional landscapes and their heritage values on the local level: Case studies in the Dender basin in Flanders, Belgium

Assessing the potential impacts of climate change on traditional landscapes and their heritage values on the local level: Case studies in the Dender basin in Flanders, Belgium

Phytoremediation of Weathered Petroleum in Groundwater by Arroyo Willows in Nutrient Amended On-Site Mesocosms

Short‐rotation Woody Crop Biomass Production for Bioenergy

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