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Improving confidence in tree species selection for challenging urban sites: a role for leaf turgor loss

Sjöman, Henrik and Hirons, A.D. and Bassuk, N.L. (2018). Improving confidence in tree species selection for challenging urban sites: a role for leaf turgor loss. Urban Ecosystems. 21 , 1171-1188
[Journal article]

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Abstract

High species diversity is argued to be the most important requisite for a resilient urban forest. In spite of this, there are many cities in the northern hemisphere that have very limited species diversity within their tree population. Consequently, there is an immense risk to urban canopy cover, if these over-used species succumb to serious pests or pathogens. Recognition of this should motivate the use of less commonly used species. Analysis of plant traits, such as the leaf water potential at turgor loss ((P0)), can provide useful insights into a species' capacity to grow in warm and dry urban environments. Therefore, the aim of this study was to evaluate (P0) of 45 tree species, the majority of which are rare in urban environments. To help evaluate the potential for using (P0) data to support future decision-making, a survey of professionals engaged with establishing trees in urban environments was also used to assess the relationship between the measured (P0) and the perceived drought tolerance of selected species. This study demonstrates that (P0) gives strong evidence for a species' capacity to tolerate dry growing conditions and is a trait that varies substantially across species. Furthermore, (P0) was shown to closely relate to the experience of professionals involved in establishing trees in urban environments, thus providing evidence of its practical significance. Use of plant traits, such as (P0), should, therefore, give those specifying trees confidence to recommend non-traditional species for challenging urban environments.

Authors/Creators:Sjöman, Henrik and Hirons, A.D. and Bassuk, N.L.
Title:Improving confidence in tree species selection for challenging urban sites: a role for leaf turgor loss
Series/Journal:Urban Ecosystems (1083-8155)
Year of publishing :2018
Volume:21
Page range:1171-1188
Number of Pages:18
Publisher:Springer
ISSN:1083-8155
Language:English
Publication Type:Journal article
Refereed:Yes
Article category:Scientific peer reviewed
Version:Published version
Copyright:Creative Commons: Attribution 4.0
Full Text Status:Public
Subjects:(A) Swedish standard research categories 2011 > 4 Agricultural Sciences > 401 Agricultural, Forestry and Fisheries > Forest Science
(A) Swedish standard research categories 2011 > 4 Agricultural Sciences > 401 Agricultural, Forestry and Fisheries > Landscape Architecture
(A) Swedish standard research categories 2011 > 1 Natural sciences > 106 Biological Sciences (Medical to be 3 and Agricultural to be 4) > Ecology
Keywords:Urban trees, Urban forest, Plant selection, Diversification, Trait based tree selection, Leaf turgor loss
URN:NBN:urn:nbn:se:slu:epsilon-e-5184
Permanent URL:
http://urn.kb.se/resolve?urn=urn:nbn:se:slu:epsilon-e-5184
Additional ID:
Type of IDID
DOI10.1007/s11252-018-0791-5
Web of Science (WoS)000452382200014
ID Code:15854
Faculty:LTV - Fakulteten för landskapsarkitektur, trädgårds- och växtproduktionsvetenskap
Department:(LTJ, LTV) > Department of Landscape Architecture, Planning and Management (from 130101)
Deposited By: SLUpub Connector
Deposited On:05 Feb 2019 08:19
Metadata Last Modified:05 Feb 2019 08:19

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