Social and Behavioral Sciences Commons^™

Species-Specific Responses Of Water Use By Urban Trees To Artificial Soil Drought: Results From A Small-Scale Study, Pantana Tor-Ngern, Somsak Panha

Applied Environmental Research

Studying tree water relations in response to soil drought improves our understanding of hydrological processes that are central to most ecosystem modelling. Urban greening is an approach to ameliorate rising carbon dioxide emissions whose effects are intensified in cities. Thus, an investigation of water relations with respect to drought of urban trees is of interest for effective watermanagement in urbangreening. This study examined responses of sap flux density, water use and stomatal conductance of potted saplings of three common street trees in Bangkok: Pterocarpus indicus (Pi), Swietenia macrophylla (Sm) and Lagerstroemia speciosa (Ls); under one-week non-irrigated treatment. Results showed that …