Climate and soil properties limit the positive effects of land use reversion on carbon storage in Eastern Australia

Title
Climate and soil properties limit the positive effects of land use reversion on carbon storage in Eastern Australia
Publication Date
2015
Author(s)
Fazle Rabbi, Sheikh M
Tighe, Matthew
Mcleod, Malem
Badgery, Warwick
Dang, Yash P
Bell, Mike
O'Leary, Garry
Liu, De Li
Baldock, Jeffery
Delgado-Baquerizo, Manuel
Cowie, Annette
Robertson, Fiona
Dalal, Ram
Page, Kathryn
Crawford, Doug
Wilson, Brian
( author )
OrcID: https://orcid.org/0000-0002-7983-0909
Email: bwilson7@une.edu.au
UNE Id une-id:bwilson7
Schwenke, Graeme
( author )
OrcID: https://orcid.org/0000-0002-2206-4350
Email: gschwenk@une.edu.au
UNE Id une-id:gschwenk
Type of document
Journal Article
Language
en
Entity Type
Publication
Publisher
Nature Publishing Group
Place of publication
United Kingdom
DOI
10.1038/srep17866
UNE publication id
une:18998
Abstract
Australia's "Direct Action" climate change policy relies on purchasing greenhouse gas abatement from projects undertaking approved abatement activities. Management of soil organic carbon (SOC) in agricultural soils is an approved activity, based on the expectation that land use change can deliver significant changes in SOC. However, there are concerns that climate, topography and soil texture will limit changes in SOC stocks. This work analyses data from 1482 sites surveyed across the major agricultural regions of Eastern Australia to determine the relative importance of land use vs. other drivers of SOC. Variation in land use explained only 1.4% of the total variation in SOC, with aridity and soil texture the main regulators of SOC stock under different land uses. Results suggest the greatest potential for increasing SOC stocks in Eastern Australian agricultural regions lies in converting from cropping to pasture on heavy textured soils in the humid regions.
Link
Citation
Scientific Reports, v.5, p. 1-10
ISSN
2045-2322
Start page
1
End page
10

Files:

NameSizeformatDescriptionLink