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Benefits or losses from clearing trees to develop pastures in Central Queensland, Australia?

journal contribution
posted on 06.12.2017, 00:00 by Kamaljit SanghaKamaljit Sangha, O Stanley, John RolfeJohn Rolfe
Clearing trees to develop land for exotic pastures that enhance pasture production and hence the financial gains, is an important issue in Queensland. Gains from clearing woodlands are questioned. Three tree communities i.e. Acacia harpophylla, Eucalyptus melanophloia and Eucalyptus populnea were selected at three different ages of clearing i.e. 5 yr, 11-13 yr and 33 yr to collect the data on pasture production, soil properties (biological and physicochemical), litter production and nutrient recycling and pasture plant diversity over 2-3 year period of the study. The net economic gains from clearing in terms of pasture production were compared to uncleared pastures and assessed against the tradeoffs of ecological services. The increase in pasture production post-clearing was not consistent with age of clearing. A bioeconomic model, applied to predict pasture production over the 50 years of time of clearing, through suggested economic benefits, however, it is difficult to predict how the loss in ecosystem function in cleared pastures (> 30 years of clearing), by implication, affect pasture yield over time.

Funding

Category 1 - Australian Competitive Grants (this includes ARC, NHMRC)

History

Volume

1

Issue

2

Start Page

81

End Page

89

Number of Pages

9

eISSN

1994-4616

ISSN

1816-9155

Location

Pakistan

Publisher

Medwell Online

Language

en-aus

Peer Reviewed

No

Open Access

No

Era Eligible

No

Journal

Agricultural journal.