[PCA] Measuring the ecosystem services of urban forests and trees: iTree Eco

[De Angelis, Patricia]

 Excerpt from the 2018 FAO* State of the World's Forests
<http://www.fao.org/3/I9535EN/i9535en.pdf>** (p.41):

"A software tool for assessing specific tree systems’ benefits, i-Tree Eco (
www.itreetools.org) also expresses their value in monetary terms by
cross-referencing data on the structure of a given tree system with local
hourly air pollution and meteorological information.

Users just need to collect and enter standard information on the trees
(such as species, diameter, health condition) and the programme will
provide estimates (by species composition, size class and/or land use) on
the benefits and related monetary value they provide and will continue to
provide in the future in terms of air pollution removal (and associated
benefits for human health), carbon storage and sequestration, energy
saving, rainfall interception and avoided runoff. The programme can be used
anywhere, although users outside the United States of America, Canada,
Australia and the United Kingdom of Great Britain and Northern Ireland need
to provide the i-Tree database with additional data related to the features
of their location. To date, the programme has been used in hundreds of
cities, including Auckland, Barcelona, Beijing, London, Los Angeles,
Medellín, Melbourne, Mexico City, Munich, New York, Porto,
Rome, Santiago, Seoul, Singapore, Strasbourg, Tokyo, Toronto, Warsaw and
Zurich.

New plug-ins broadening the range of benefits that can be estimated by the
system (such as air temperature reduction and associated health effects)
are currently under development."

*Food and Agricultural Organization
**FAO. 2018. The State of the World’s Forests 2018 - Forest pathways to
sustainable development. Rome. Licence: CC BY-NC-SA 3.0 IGO.

The State of the World's Forests reports on the status of forests, recent
major policy and institutional developments and key issues concerning the
forest sector. It makes current, reliable and policy-relevant information
widely available to facilitate informed discussion and decision-making with
regard to the world's forests. See the series
<http://www.fao.org/publications/sofo/en/>.
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