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Dynamic Changes in Melbourne’s Urban Vegetation Cover—2001 to 2016

Author

Listed:
  • Bhuban Timalsina

    (School of Ecosystem and Forest Sciences, University of Melbourne, Richmond, VIC 3121, Australia)

  • Suzanne Mavoa

    (Centre for Health Equity, Melbourne School of Population and Global Health, University of Melbourne, Melbourne, VIC 3010, Australia)

  • Amy K. Hahs

    (School of Ecosystem and Forest Sciences, University of Melbourne, Richmond, VIC 3121, Australia)

Abstract

Understanding changes in urban vegetation is essential for ensuring sustainable and healthy cities, mitigating disturbances due to climate change, sustaining urban biodiversity, and supporting human health and wellbeing. This study investigates and describes the distribution and dynamic changes in urban vegetation over a 15-year period in Greater Melbourne, Australia. The study investigates how vegetation cover across Melbourne has changed at five-yearly intervals from 2001 to 2016 using the newly proposed dynamic change approach that extends the net change approach to quantify the amount of vegetation gain as well as loss. We examine this question at two spatial resolutions: (1) at the municipal landscape scale to capture broadscale change regardless of land tenure; and (2) at the scale of designated public open spaces within the municipalities to investigate the extent to which the loss of vegetation has occurred on lands that are intended to provide public access to vegetated areas in the city. Vegetation was quantified at four different times (2001, 2006, 2011, 2016), using the normalized difference vegetation index (NDVI). Dynamic changes of gain and loss in urban vegetation between the three periods were quantified for six local government areas (LGAs) and their associated public open spaces using a change matrix. The results showed an overall net loss of 64.5 square kilometres of urban vegetation from 2001 to 2016 in six LGAs. When extrapolated to the Greater Melbourne Area, this is approximately equivalent to 109 times the size of Central Park in New York City.

Suggested Citation

  • Bhuban Timalsina & Suzanne Mavoa & Amy K. Hahs, 2021. "Dynamic Changes in Melbourne’s Urban Vegetation Cover—2001 to 2016," Land, MDPI, vol. 10(8), pages 1-16, August.
    • Handle: RePEc:gam:jlands:v:10:y:2021:i:8:p:814-:d:607100
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    References listed on IDEAS

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    1. Julie Brunner & Paul Cozens, 2013. "'Where Have All the Trees Gone?' Urban Consolidation and the Demise of Urban Vegetation: A Case Study from Western Australia," Planning Practice & Research, Taylor & Francis Journals, vol. 28(2), pages 231-255, April.
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    Cited by:

    1. Liu, Yang & Kwan, Mei-Po & Wong, Man Sing & Yu, Changda, 2023. "Current methods for evaluating people's exposure to green space: A scoping review," Social Science & Medicine, Elsevier, vol. 338(C).

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