The net ecosystem carbon exchange of human-modified environments in the Australian Capital Region |
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Authors: | Luciana Laura Porfirio Will Steffen Damian J Barrett Sandra L Berry |
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Institution: | (1) The Fenner School of Environment and Society, Australian National University, Canberra, ACT, 0200, Australia;(2) The Climate Change Institute, Australian National University, Canberra, ACT, 0200, Australia;(3) Centre for Water in the Minerals Industry, Centre for Mined Land Rehabilitation, Sustainable Minerals Institute, The University of Queensland, Brisbane, QLD, 4072, Australia |
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Abstract: | As part of a larger study to quantify and map ecosystem services in southeast Australia, we estimated carbon stored in biomass
and soils and the net ecosystem carbon exchange between the land surface and the atmosphere in the Australian Capital Region
(ACR). Our aim was to understand and quantify how different human-modified landscapes provide an essential ecosystem service:
the exchange and storage of carbon in the landscape. Using a remote sensing based modelling methodology, we obtained values
of Net Primary Productivity (NPP), total carbon in soil and biomass and carbon turnover from meteorological and terrain inputs
and vegetation attributes. We obtained a set of maps of NPP, total carbon (C) storage and C-turnover for the ACR. We superimposed
a land use/cover map to assign the uptake, storage and release of carbon to different land use/cover types. Our results support
the hypothesis that human-intensive land uses significantly affect the ability of terrestrial ecosystems to provide an important
ecosystem service in the form of carbon storage. |
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