The Role of Microsite Conditions in Restoring Trembling Aspen (<i>Populus tremuloides</i> Michx) from Seed

Schott, Kaitlin M.; Karst, Justine; Landhäusser, Simon M.

doi:10.1111/rec.12082

Cited by 13 publications

(9 citation statements)

References 8 publications

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“…Phytostabilization of abandoned mine sites, unconsolidated mine tailings, and contaminated overburden is now the prevailing long‐term rehabilitation strategy worldwide to mitigate the adverse impacts of metalliferous drainage and nuisance dust on surrounding environments (Cousins et al ; Fellet et al ; Brown & Naeth ; Schott et al ). Revegetation can transfer a considerable portion of soil pore water back to the atmosphere, reducing leaching of water‐soluble contaminants (Temminghoff et al ; Tordoff et al ).…”

Section: Discussionmentioning

confidence: 99%

Interactive effects of biochar and an organic dust suppressant for revegetation and erosion control with herbaceous seed mixtures and willow cuttings

Kuttner

Thomas

2016

Restoration Ecology

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Land reclamation efforts on “non‐soil” substrates frequently involve additions of organic material coupled with soil‐stabilizing dust suppressants to control erosion, but formal experiments, particularly of interactive effects, are lacking. We examined the effects of Entac™, a tall oil pitch emulsion, and pyrolyzed wood waste‐derived biochar on early plant establishment, growth, and survivorship, in 2 factorial greenhouse experiments: 1 using a seed mix widely used for roadside erosion control (the grasses Festuca rubra, Poa pratensis, Lolium perenne, and white clover [Trifolium repens]) and 1 using rooted cuttings of sand bar willow (Salix exigua). Biochar additions of 5, 10, and 20 t/ha enhanced biomass of clover by 14–250%, but had no significant effects on grasses. Entac additions inhibited early establishment and growth of both clover and grasses at all biochar treatment levels. Entac plus biochar treatments significantly enhanced survivorship of willows following a drought treatment in a greenhouse trial. In a field trial, Entac treatments had positive effects on willow diameter growth. Collectively, these results suggest that better soil moisture retention is the principal mechanism responsible for enhanced survivorship and growth of planted willows treated with Entac and biochar on sand substrates. Given Entac's inhibitive effects on early establishment of herbaceous species, and the abilities of Entac and biochar in combination to mitigate drought stress, these treatments may be particularly well suited for ecological restoration efforts using planted tree stock on coarse‐textured substrates and where exposure and ingress of non‐native herbaceous species are of concern.

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Section: Discussionmentioning

confidence: 99%

Interactive effects of biochar and an organic dust suppressant for revegetation and erosion control with herbaceous seed mixtures and willow cuttings

Kuttner

Thomas

2016

Restoration Ecology

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“…Micro-topography has a critical influence on reclamation success and should be aligned with the objectives for post-mining land use, topography, and drainage systems. A rough surface can facilitate natural revegetation and encourage plant species diversity (Groninger et al 2007;Mackenzie and Naeth 2010;Skousen et al 2006;Schott et al 2014). Microtopographical variation increases the range of environmental conditions allowing for a greater variety of species to establish.…”

Section: Topographic Variation From Microsite To Landscapementioning

confidence: 99%

“…Successful natural establishment of trees by seed is facilitated by the presence of an ungraded rough surface that can trap seeds and serve as a favorable regeneration microsite, partly because these will tend to host less competitive vegetation (Frouz 2013;Frouz et al 2011;Landhäusser et al 2010). Natural regeneration of trembling aspen on reclaimed mine sites was facilitated by concave microsites and mixed mineral-organic substrates (Schott et al 2014).…”

Section: Natural Regenerationmentioning

confidence: 99%

Forest restoration following surface mining disturbance: challenges and solutions

et al. 2015

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Many forested landscapes around the world are severely altered during mining for their rich mineral and energy reserves. Herein we provide an overview of the challenges inherent in efforts to restore mined landscapes to functioning forest ecosystems and present a synthesis of recent progress using examples from North America, Europe and Australia. We end with recommendations for further elaboration of the Forestry Reclamation Approach emphasizing: (1) Landform reconstruction modelled on natural systems and creation of topographic heterogeneity at a variety of scales; (2) Use and placement of overburden, capping materials and organic amendments to facilitate soil development processes and create a suitable rooting medium for trees; (3) Alignment of landform, topography, overburden, soil and tree species to create a diversity of target ecosystem types; (4) Combining optimization of stock type and planting techniques with early planting of a diversity of tree species; (5) Encouraging natural regeneration as much as possible; (6) Utilizing direct placement of forest floor material combined with seeding of native species to rapidly re-establish native forest understory vegetation; (7) Selective ongoing management to encourage development along the desired successional trajectory.

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“…Seed viability is high (90 %), and seed germination is fast, usually within a period of 24 h (Siegel and Brock 1990;van Splunder et al 1995;Karrenberg and Suter 2003). However, facilitating the natural regeneration of Populus from seed is a largely unexplored means for reintroducing this tree into disturbed areas where its vegetative regeneration is difficult (Schott et al 2014).…”

Section: Introductionmentioning

confidence: 99%

Effects of soil contamination by trace elements on white poplar progeny: seed germination and seedling vigour

Madejón

Cantos

Jiménez-Ramos

et al. 2015

Environ Monit Assess

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Seed germination is considered a critical phase in plant development and relatively sensitive to heavy metals. White poplar (Populus alba) trees tend to accumulate Cd and Zn in their tissues. We tested if soil contamination can affect P. alba progeny, reduced seed germination and explored the distribution of mineral elements in the seed. For this purpose, fruits and seeds from female P. alba trees were selected from two contaminated and one non-contaminated areas. Seeds from all the sites were germinated using only water or a nutritive solution (in vitro). Concentrations of nutrients and trace elements in the fruits and seeds were analysed. Seedling growth in vitro was also analysed. Finally, a mapping of different elements within the poplar seed was obtained by particle-induced X-ray emission (PIXE). Germination was similar between different progenies, refuting our hypothesis that seeds from a contaminated origin would have reduced germination capacity compared to those from a non-contaminated site. Seedling growth was not affected by the contaminated origin. Cadmium and Zn concentrations in fruits produced by P. alba trees in the contaminated sites were higher than by those from the non-contaminated site. However, the nutritional status of the trees was adequate in both cases. Cd in seedlings was higher in those from contaminated soils although lower than in fruits, indicating a certain exclusion from seeds. Preliminary results of the PIXE technique showed that Al and Zn were distributed uniformly in the seeds (Cd was not detected with this technique), while the nutrients P and S were concentrated in the cotyledons.

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The Role of Microsite Conditions in Restoring Trembling Aspen (Populus tremuloides Michx) from Seed

Cited by 13 publications

References 8 publications

Interactive effects of biochar and an organic dust suppressant for revegetation and erosion control with herbaceous seed mixtures and willow cuttings

Interactive effects of biochar and an organic dust suppressant for revegetation and erosion control with herbaceous seed mixtures and willow cuttings

Forest restoration following surface mining disturbance: challenges and solutions

Effects of soil contamination by trace elements on white poplar progeny: seed germination and seedling vigour

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