Land pavement depresses photosynthesis in urban trees especially under drought stress

Wang, Xuming; Wang, Xiaoke; Su, Yuebo; Zhang, Hongxing

doi:10.1016/j.scitotenv.2018.10.281

Cited by 49 publications

(46 citation statements)

References 76 publications

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“…But we found the Isat of maple significantly decreased on the impervious pavement (Fig. 2), implying that the utilization ability of high light intensity was reduced (Wan et al 2018) and the leaf may be more susceptible to photoinhibition, which was supported by Wang et al (2019) based on chlorophyll fluorescence measurements. Meanwhile, the Ic of maple showed no significant change on the impervious pavement (Fig.…”

Section: Impacts Of Land Pavement On the Photosynthesis Of Plantsmentioning

confidence: 54%

“…The pavement-induced decreases in photosynthesis are mainly attributed to the increased air and soil temperature and the decreased air relative humidity and soil moisture content (Song et al 2015, Wang et al 2019. We found on the impervious pavement the Tp and Ts significantly increased and the VWCS significantly decreased for both ash and maple (Fig.…”

Section: Impacts Of Land Pavement On the Photosynthesis Of Plantsmentioning

confidence: 74%

“…4). Even some previous studies have found that the Jmax was significantly inhibited by land pavement and/or drought (Limousin et al 2010, Wang et al 2019).…”

Section: Impacts Of Land Pavement On the Photosynthesis Of Plantsmentioning

confidence: 95%

“…Photosynthesis is regulated by both stomatal and biochemical factors (Lenz et al 2010). The decrease of stomatal conductance is one of the reasons that the decline of photosynthesis caused by land pavement (Song et al 2015, Wang et al 2019. Impervious pavement decreased water amount available for trees, and leaf stomatal conductance was reduced ).…”

Section: Impacts Of Land Pavement On the Photosynthesis Of Plantsmentioning

confidence: 99%

“…Previous studies have shown that land pavements can lead to drought stress, heat stress, and nutrient stress in urban trees (Bijoor et al 2012, Gillner et al 2015, Mullaney et al 2015a) and can affect plant growth and leaf photosynthesis; specifically, photosynthetic rates, transpiration rates and stomatal conductance (Song et al 2015, Wang et al 2019. The effects of land pavement on the physiology of urban trees change with different covering materials and whether the materials are pervious or not (Morgenroth 2011, Mueller & Day 2005, and the responses of various species and/or years of urban trees on the same land pavement are also different , Wang et al 2019. In particular, studies on the effects of pervious materials which are currently widely used for land pavement on the growth of urban trees and their eco-physiological factors are still very limited and have produced inconsistent results (Morgenroth & Buchan 2009, Volder et al 2014).…”

Section: Introductionmentioning

confidence: 99%

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Photosynthetic parameters of urban greening trees growing on paved land

Wang¹,

Chen²,

Berlyn³

2019

iForest

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Two common urban greening trees, ash (Fraxinus chinensis Roxb.) and maple (Acer truncatum Bunge.), were planted in arranged pervious and impervious land pavements to clarify the response in the photosynthetic processes of the urban tree under different types of pavement. Leaf light and CO2 response curves of the net photosynthetic rate were constructed based on in situ measurements in the 4 th year after planting, and additional photosynthetic parameters were obtained. The surface temperature and soil temperature significantly increased while the soil moisture significantly decreased in the land pavement, and these changes varied with types of pavement. The light-saturated net photosynthetic rates of both ash and maple, the saturated intercellular CO2 concentration of ash, and the light saturation point, CO2-saturated net photosynthetic rate and maximum carboxylation rate of maple significantly decreased in impervious pavement, indicating that both the capacity of leaf photosynthesis and utilization of high light and CO2 concentrations were significantly reduced by land pavement. The down-regulation of photosynthesis in the impervious pavement was mainly due to the reduction of available soil water. Photosynthetic parameters of maple showed more sensitivity to the land pavement than those of ash. There was less impact from pervious pavement than impervious pavement on the photosynthetic parameters of ash and maple.Citation: Wang X, Wang X, Chen Y, Berlyn GP (2019). Photosynthetic parameters of urban greening trees growing on paved land. iForest 12:

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Section: Impacts Of Land Pavement On the Photosynthesis Of Plantsmentioning

confidence: 54%

Section: Impacts Of Land Pavement On the Photosynthesis Of Plantsmentioning

confidence: 74%

“…4). Even some previous studies have found that the Jmax was significantly inhibited by land pavement and/or drought (Limousin et al 2010, Wang et al 2019).…”

Section: Impacts Of Land Pavement On the Photosynthesis Of Plantsmentioning

confidence: 95%

Section: Impacts Of Land Pavement On the Photosynthesis Of Plantsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Photosynthetic parameters of urban greening trees growing on paved land

Wang¹,

Chen²,

Berlyn³

2019

iForest

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Using botanic gardens and arboreta to help identify urban trees for the future

Hirons

Watkins

Baxter

et al. 2020

Plants People Planet

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Diversification of urban forests is essential to enhance their resilience to future biotic threats as well as those posed by a changing climate. Arboreta and botanic gardens host a wide range of plant material that can be evaluated to inform tree selection policy. This study demonstrates that plant functional traits, such as the water potential at leaf turgor loss, can be highly instructive when developing evidence‐based recommendations for urban environments. However, if botanic collections are to fulfill a critical role in understanding plant response to environment, they should not be managed solely as visitor attractions but must have scientific objectives at the forefront of management policy.

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