Johnson, Tim
Investing in trees: it’s a no-brainer
Abstract The challenge for tree asset managers is to target timely investment to deliver the growth and longevity needed to ensure an appropriate return to the community. This is achievable with existing financial resources, but many young saplings currently fail in the landscape and so fail to deliver reasonable return on investment. By targeting investment …
Putting a dollar value on urban forest benefits
Abstract Many studies on the benefits of trees and urban green space have been completed in recent years, an increasing number of which calculate monetary value for what are currently non-market benefits. Published economic and financial benefits relate mainly to five services: amenity, shading, air quality, carbon sequestration and water management. Of these, amenity and …
Impacts of enhanced storm water infiltration on urban Melia azedarach functioning in dry season
In the face of ongoing climate change and rising human populations, the health of urban green spaces and management of natural resources have become increasingly important…
Collaborative Approach to Green Engineering
TREENET supports research and knowledge sharing to better integrate trees into cities. Since it began in 1997, TREENET has collaborated with industry, government, research and educational institutions to progress Australian urban forestry. The understanding that trees are fundamental assets which support healthy and resilient communities is now more widespread due to TREENET, to similarly focused agencies worldwide and to global awareness and concern regarding climate change and urbanisation…
WSUD – Research to Applied
Harsha Sapdhare, PhD Student, University of South Australia Tim Johnson, City of Mitcham David Lawry OAM, Space Down Under Abstract TREENET’s focus from its inception to the present has been to improve conditions for urban trees. In arid and semi-arid climates this has meant working to ensure trees have access to adequate water. Past proceedings …
Trees and permeable paving: future symbionts
Tim Johnson City Of Mitcham & University Of South Australia Introduction In 2009 the City of Mitcham retrofitted twelve permeable pavement sections and tree planting pits along a two metre wide verge in a residential street to study the effects of pavement permeability on tree growth, soil moisture, ground movement and soil oxygen content. One …
Can permeable pavements reduce conflicts between footpaths and tree roots?
12th National Street Tree Symposium 2011 from Tim Johnson…
TREENET TRIALS
Tim Johnson INTRODUCTION Treenet was established in 1997 to help to develop and implement solutions to perennial issues which compromise urban forestry, urban development and the quality of urban life. Treenet’s Vision broadly defines the organisation’s sphere of operation: “to enhance the urban natural environment through the successful selection, production, establishment and management of street …