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Predicting urban tree attributes for major species in urbanized areas of the western Pacific states

ScholarsArchive at Oregon State University

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Title Predicting urban tree attributes for major species in urbanized areas of the western Pacific states
Names Jeroue, Lacey M. (creator)
Hailemariam, Temesgen (advisor)
Date Issued 2014-09-04 (iso8601)
Note Graduation date: 2015
Abstract Urban forests are an essential green infrastructure of our cities. Due to the proximity
of urban trees to more than 250 million people and the grey infrastructure within United States cities, urban forests are uniquely positioned to provide a host of social, environmental and economic benefits. Careful management that maximizes benefits of the urban forest while minimizing cost is necessary for healthy, livable urban areas.

A key component to effective forest management is inventory. The United States
government regularly inventories forestland trees at present but efforts have begun to extend
this monitoring effort to urban forests as well. This study utilizes the first Urban Forest
Inventory and Analysis (FIA) from the states of Washington, Oregon and California. Not
only does this inventory help to identify the structure, composition, health and benefit of
urban forests in these states, but it also provides an unprecedented opportunity to develop
regional urban tree attribute models.

This work develops species-specific models for predicting tree height, height to crown
base and largest crown width for five principal species represented in the inventory including
Douglas-fir (Pseudotsuga menziesii), red alder (Alnus rubra), western redcedar (Thuja plicata), big leaf maple (Acer macrophyllum) and oak (Quercus spp.). Models can be calibrated with localized data and used for obtaining additional information on the structure of the urban forest when field measurements are unobtainable or costly. Height and canopy attributes are important components for understanding the extent of the benefits imposed by the urban forest.
Genre Thesis/Dissertation
Access Condition http://creativecommons.org/licenses/by-nd/3.0/us/
Topic urban
Identifier http://hdl.handle.net/1957/53237

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