Managing carbon sources and sinks in Australia's rangelands and tropical Savannas

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外文摘要：Background Australia's rangelands and savannas occupy about 80% of the continent and play an important role in the country's carbon balance。Grazing by livestock is the most extensive land use， and the savannas are subject to frequent， extensive fire， especially in the north， where annual rainfall exceeds 1000 mm。Savanna burning plus direct emissions from Australia's domestic livestock ( mainly sheep and cattle) account for about 15 % of Australia's accountable CO2 equivalent ( CO2 ‐e) emissions per year。In this paper， we discuss the potential to reduce emissions via land management instruments， ecosystem capacity to sequester carbon，and investment and management strategies that can lower the carbon footprint of land use in these ecosystems。

外文关键词：

carbon marketsemissionsfiregrazingsequestration

作者：

R.J.Williams、L.B.Hutley、J.Beringer、G.D.Cook、J.Russell-Smith、A.Liedloff

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作者单位：

CSIRO Sustainable Ecosystems,PMB 44 Winnellie,N T 0821,Australia

School of Science and Primary Industries,Charles Darw in University,Darwin,0909,Australia

School of Geography and Environmental Science,Monash University,Melbourne,3800,Australia

CSIRO Sustainable Ecosystems,PMB 44 W innellie,N T 0821,Australia

Bushfires Council of the Northern Territory POBox 37346,Winnellie,NT,0821,Australia

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会议地点：

呼和浩特

会议母体文献：

2008世界草地与草原大会论文集

出版时间：

2008