A street tree survey for Canadian communities: Protocol and early results
Abstract
This paper describes early results from a survey that was developed to allow rapid, yet reasonably accurate, estimates of street tree composition in Canadian communities. To carry out surveys, participants walk (or drive) a number of 0.5-km routes, identifying all trees within 10 m of the road edge. The number of survey routes in each community was determined such that tree densities could be estimated within reasonable error bounds: ±5 trees/km for common species and ±1 tree/km for uncommon species. Information from this initiative has already supported invasive species risk assessments and urban forest management activities. Full details are available at http://gmaps.nrcan.gc.ca/uts/index.php.
Résumé
Cet article porte sur les résultats préliminaires d’un sondage élaboré afin de permettre des estimés malgré tout raisonnablement précis de la composition des arbres le long des rues des communautés canadiennes. Lors du sondage, les participants se déplacent (en auto ou à pied) sur des sections de rue de 0,5 km, répertoriant tous les arbres situés à moins de 10 m du bord de la rue. Le nombre de sections de rue dans chaque communauté a été déterminé de façon à ce que la densité des arbres pouvait être estimée à l’intérieur d’une marge raisonnable d’erreur: ±5 arbres/km dans le cas d’espèces courantes et ±1 arbre/km pour les espèces exotiques. Les informations tirées de ce projet ont déjà permis de procéder à l’évaluation du risque posé par les espèces envahissantes et des activités d’aménagement des forêts urbaines. Les détails complets de l’étude sont disponibles sur le site: http://gmaps.nrcan.gc.ca/uts/index.php.
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Published In
The Forestry Chronicle
Volume 89 • Number 06 • December 2013
Pages: 753 - 758
History
Version of record online: 20 December 2013
Copyright
© 2013.
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PedlarJohn H., McKenneyDaniel W., AllenDarren, LawrenceKevin, LawrenceGlenn, and CampbellKathy. 2013. A street tree survey for Canadian communities: Protocol and early results. The Forestry Chronicle.
89(06): 753-758. https://doi.org/10.5558/tfc2013-137
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