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Download - i-Tree Australia Manual and attribute fields (please note this has not been updated for i-Tree Eco v6)

The Melbourne Urban Forest Accord Group driven by Melbourne City Council  and Arboriculture Australia™ commenced work on researching and changing the algorithms and pollution data for i-Tree ECO to make a total Victoria version which would then be expanded out to each state of Australia.

This software was originally developed by the United Stated of America Forestry Service.  This is a free software program for everyone to use.  Through consultation with the USF, they agreed to allow the algorithms to be amended to include Australia.

Initially the following 3 organisations contributed to start the pilot program.

view  The Melbourne Urban Forest Accord Group $70,000.00

view  Arboriculture Australia $10,000.00

view  ENSPEC Pty Ltd $70,000.00

From the work completed to start the program by the above partners, it now costs $35,000.00, plus some in-kind work for each additional state and territory of Australia to be brought into the program.

Since the initial pilot program started, Sydney City Council also entered into the project and provided their support and funding of $35,000.00 to have the State of New South Wales and algorithms and pollution data setup.

ENSPEC further donated their time to bring the ACT into the program, due to ACT being such a small area this equated to a further $10,000.00 of value.

To date, Victoria, NSW and the ACT are fully operational under the i-Tree ECO program which allows a method to measure the Urban Tree populations Carbon Sequestration rates, Heat island and monetary value of the population.

Recently the working group was expanded and Arboriculture Australia™ has taken over as custodian of the program on behalf of the working group.

Additional players have been brought into the working group including representation from Nursery Growers Industry Association, Australian Institute of Landscape Architects, Lend lease and Brisbane City Council (QLD), Darwin City Council (NT), Paramatta City Council (NSW), Melbourne City Council (Vic), Campbelltown City Council (SA) and MUFAG.

Since the working group commenced the Nursery Growers Industry Association (NGIA) made a generous contribution of $90,000.00 to the program to assist with the completion of more algorithm and pollution data work on the i-Tree ECO program.

Council of Tree and Landscape Appraisers Valuation Methods

The base value for the CTLA Guide for Plant Appraisal (v9) Trunk Method is currently set at $13.00cm-2 for the whole of Australia. 

Version 10 of the CTLA Guide for Plant Appraisal has been released recently and the applicability of this base value for v10 is yet to be reviewed.


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  • Barry Nilsson Lawyers



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Arboriculture Australia Consulting and Practicing Arborists Directory Link »
Arboriculture Australia