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Grading of parameters for urban tree inventories by city officials, arborists and academics using the Delphi method

Östberg, Johan and Delshammar, Tim and Wiström, Björn and Busse Nielsen, Anders (2013). Grading of parameters for urban tree inventories by city officials, arborists and academics using the Delphi method. Environmental management. 51:3, 694-708
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Official URL: http://dx.DOI/10.1007/s00267-012-9973-8

Abstract

Tree inventories are expensive to conduct and update, so every inventory carried out must be maximized. However, increasing the number of constituent parameters increases the cost of performing and updating the inventory, illustrating the need for careful parameter selection. This paper reports the results of a systematic expert rating of tree inventories aiming to quantify the relative importance of each parameter. Using the Delphi method, panels comprising city officials, arborists and academics rated a total of 148 parameters. In order of total mean score, the top ranking parameters, which can serve as a guide for decision-making at practical level and for standardization of tree inventories, were: Scientific name of the tree species and genera, Vitality, Coordinates, Hazard class and Identification number.
The study also examined whether the different responsibilities and usage of urban tree databases among organizations and people engaged in urban tree inventories affected their prioritization. The results revealed noticeable dissimilarities in the ranking of parameters between the panels, underlining the need for collaboration between the research community and those commissioning, administrating and conducting inventories. Only by applying such a transdisciplinary approach to parameter selection can urban tree inventories be strengthened and made more relevant.

Authors/Creators:Östberg, Johan and Delshammar, Tim and Wiström, Björn and Busse Nielsen, Anders
Title:Grading of parameters for urban tree inventories by city officials, arborists and academics using the Delphi method
Series/Journal:Environmental management (1432-1009)
Year of publishing :2013
Volume:51
Number:3
Page range:694-708
Publisher:Springer
ISSN:1432-1009
Language:English
Publication Type:Journal article
Refereed:Yes
Article category:Scientific peer reviewed
Version:Accepted version
Full Text Status:Public
Subjects:(A) Swedish standard research categories 2011 > 4 Agricultural Sciences > 401 Agricultural, Forestry and Fisheries > Landscape Architecture
Keywords:Street trees, Urban tree database, Sweden, Urban forest, Urban greening
URN:NBN:urn:nbn:se:slu:epsilon-e-890
Permanent URL:
http://urn.kb.se/resolve?urn=urn:nbn:se:slu:epsilon-e-890
ID Code:9322
Department:(LTJ, LTV) > Department of Landscape Architecture, Planning and Management (from 130101)
Deposited By: Johan Östberg
Deposited On:28 Feb 2013 10:36
Metadata Last Modified:18 Apr 2015 12:33

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