Root pruning negatively affects tree value: A comparison of tree appraisal methods

Benson, Andrew R.; Morgenroth, Justin

doi:10.1016/j.ufug.2019.126376

Cited by 5 publications

(3 citation statements)

References 29 publications

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“…It is crucial for REE hyperaccumulators to clip the aerial parts, as this will help to avoid the release of absorbed or adsorbed REEs back into the soil when the plants die and decompose (Benson & Morgenroth, 2019; Qi et al, 2019). Thus, knowledge of the best clipping intensity for REE hyperaccumulators can help reduce the remediation time for soils contaminated with REEs (Viana et al, 2019), and increase the economic feasibility of phytoextraction.…”

Section: Introductionmentioning

confidence: 99%

Rare‐earth element phytoextraction efficiency in southern Chinese mines under different clipping intensities using a co‐cropping system (Dicranopteris pedata and Pinus massoniana)

Chen,

Feng,

Lin

et al. 2024

Land Degrad Dev

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Our understanding of how varying clipping intensities affect the efficiency of phytoextraction remains limited, particularly with co‐cropping systems. This study focuses on assessing the effects of different clipping intensities on phytoextraction efficiency within co‐cropping systems dominated by the key species Dicranopteris pedata and Pinus massoniana in rare‐earth mines of southern China. Our results confirmed the following. Firstly, the compensation index, dry aboveground biomass, and rare‐earth elements (REE) accumulation of clipped D. pedata per unit area were highest under 100% clipping (p < 0.05). Meanwhile, the bioabsorption coefficient, bioconcentration factor, and translocation factor of P. massoniana were less than 1. Secondly, the soil catalase, sucrase, and α‐diversity indices of bacteria and fungi separately indicated no significant variation between the clipping treatments and control. The REE content in tree rings increased, and the total REE contents in thicker tree rings were higher than those in the thinner tree rings of P. massoniana from 1997 to 2016. Additionally, the soil erosion intensity diminished significantly in the growth area of P. massoniana from 1995 to 2019. Thirdly, both D. pedata and P. massoniana, when subjected to 100% clipping, could effectively remove excess REEs from the 0–20 cm soil layer within 18.57–61.19 years. In contrast, P. massoniana alone achieved a removal rate of excess REEs in the 20–60 cm layer, within 923.16–1899.62 years. Thus, D. pedata with 100% clipping can phytoextract the maximum amount of REEs. It is noted that P. massoniana cannot be used for REEs phytoextraction or phytostabilization. Co‐cropping with 100% clipping would have a less negative impact on growth and REEs extraction, and the co‐cropping system can phytoextract excess REEs from the surface soil within decades. However, it is not efficient for the phytoextraction of excess REEs from deep soil layers.

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Section: Introductionmentioning

confidence: 99%

Rare‐earth element phytoextraction efficiency in southern Chinese mines under different clipping intensities using a co‐cropping system (Dicranopteris pedata and Pinus massoniana)

Chen,

Feng,

Lin

et al. 2024

Land Degrad Dev

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“…The lack of knowledge of the monetary value of natural resources may mean that the actions and standards applied to address environmental problems are insufficient. Knowing the value of an asset enables its management to be optimised [2]. The appraisal methods for urban trees provide an economic or monetary reference of their benefit to the citizens and must also reflect factors such as the value of the land where they are located, their historic importance, quality, social and environmental benefits and their maintenance costs, as the aim is to determine their maintenance and thus improve the means of estimating their loss and quantifying municipal costs [3].…”

Section: Introductionmentioning

confidence: 99%

“…-Age (t): in years, as the number of years elapsed since the germination of the seed (or since the appearance of shoots for species with vegetative reproduction) until the time when the determination is made. -In this case, equation (2) for the linear regression model was used, obtained with data from the trees in Santiago del Estero [17] due to the impossibility of finding recorded data on age for any specimen.…”

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confidence: 99%

Analysis of Differences in the Choice of the Economic Value of Urban Trees in Madrid When Displayed in Situ and in Photographs

et al. 2020

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The determination of an asset’s economic value has always been an important step in improving its management. The Madrid Region legislated the application of the first version of the Norma Granada as a method of appraising ornamental trees. However, the trees in the city of Madrid are only assessed in terms of ecosystem services (i-Tree Eco). A photograph of the asset to be appraised is often used in studies on the valuation of publicly-owned socio-environmental assets such as trees or landscapes. As a tree’s value is very closely linked to its size and to a number of features that can be seen through direct observation of the specimen, it is important to verify the validity of photographs as a method for obtaining the public’s opinion. This work presents a comparison between the valuations chosen by members of the public when observing the tree in situ and in a photograph. The aim is to verify the validity of photographs for their application to a larger sample and to understand qualitatively how citizens assess the trees in a city. The following appraisal methods were used: the American method, Council of Tree Landscape Appraisers (CTLA), Norma Granada and the Burnley method. The survey consisted of ten specimens from ten different species, and ten surveys were taken for each stem, making a total of 100 for each tree species and 1000 surveys in all. The surveys were done randomly and individually. Each interviewed chose one of the three values they were shown when observing the specimen in the photograph and in situ; 84% of the 1000 surveys gave as a result the same value choice when looking at the specimen on site and seeing it in a photograph.

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Impacts of root pruning and magnetized water irrigation on the phytoremediation efficiency of Celosia argentea

Niu

Bian

Long

et al. 2021

Ecotoxicology and Environmental Safety

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Root pruning negatively affects tree value: A comparison of tree appraisal methods

Cited by 5 publications

References 29 publications

Rare‐earth element phytoextraction efficiency in southern Chinese mines under different clipping intensities using a co‐cropping system (Dicranopteris pedata and Pinus massoniana)

Rare‐earth element phytoextraction efficiency in southern Chinese mines under different clipping intensities using a co‐cropping system (Dicranopteris pedata and Pinus massoniana)

Analysis of Differences in the Choice of the Economic Value of Urban Trees in Madrid When Displayed in Situ and in Photographs

Impacts of root pruning and magnetized water irrigation on the phytoremediation efficiency of Celosia argentea

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