Ecological Effects of Tree Clearing: the ecological effects of tree clearing on pasture systems of central Queensland, Australia
Sangha, Kamalijit Kaur (2009) Ecological Effects of Tree Clearing: the ecological effects of tree clearing on pasture systems of central Queensland, Australia. VDM Verlag, Saarbrücken, Germany.
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Tree clearing was practised for greater beef production and hence monetary gains from grazing systems of central Queensland (given the high rates of clearing even recently (577, 000 ha/yr during 1999-2001). The sustainability of cleared pasture systems over the long-term is questioned. Three major types of tree communities i.e. Eucalyptus populnea F. Muell., E. melanophloia F. Muell. and Acacia harpophylla F. Muell. ex. Benth. were selected on one property in central Queensland to quantify the impacts of clearing on pasture production and composition, and soil properties. The impacts were measured over time-since-clearing (recent (<5 years), medium (11-13years) and old (>30 years)) in unreplicated cleared pastures in comparison to their replicated uncleared/intact woodland pastures of each tree community. Pasture yield was not sustainable over the long- term. Moreover, the changes in some soil properties underscored the associated risks and changes in ecosystem functions due to clearing. The overall effect of clearing in terms of pasture and litter production, and major soil parameters were analysed using multivariate analyses.
|Item Type:||Book (Research - A1)|
|FoR Codes:||05 ENVIRONMENTAL SCIENCES > 0501 Ecological Applications > 050102 Ecosystem Function @ 40%|
05 ENVIRONMENTAL SCIENCES > 0503 Soil Sciences > 050304 Soil Chemistry (excl Carbon Sequestration Science) @ 30%
07 AGRICULTURAL AND VETERINARY SCIENCES > 0703 Crop and Pasture Production > 070301 Agro-ecosystem Function and Prediction @ 30%
|SEO Codes:||91 ECONOMIC FRAMEWORK > 9199 Other Economic Framework > 919902 Ecological Economics @ 100%|
|Deposited On:||04 May 2010 11:26|
|Last Modified:||21 Jun 2010 14:56|
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