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Showing items 1 through 9 of 8.
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Library Resource
In a naturally heterogeneous landscape in arid central Australia, a previous study found that grazing changed the distribution of water and nutrients amongst different geomorphic strata of the landscape. In this concurrent study, we show that herbage biomass, cover and composition responded primarily to these geomorphic strata and not to grazing. The cover of palatable species as a group proved the exception, and decreased with increasing grazing. The quantity of shrubs responded to both strata and grazing, and was greatest under least grazing.
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Library Resource
The distribution and quality of soil and land resources in heterogeneous grazing lands of central Australia were changed by grazing. Sites located at increasing distances from livestock watering points showed greater degrees of landscape organization and soil productive potential. The depositional strata, where resources tended to accumulate, occupied a larger proportion of the landscape as distance increased. Physical and nutrient cycling soil properties improved.
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Library Resource
Conference Papers & Reports
Negotiated agreements between traditional owners and pastoralists about use and management of lands held under pastoral lease tenures in the arid and semi-arid rangelands of Australia will promote secure futures for both parties. In this paper we will discuss this assertion and the processes of agreement making we are engaged in the South Australian rangelands. First we will explain the particular meaning of the Australian jargon we use throughout this paper - traditional owner, pastoralist and pastoral lease tenure.
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Library Resource
Using data from previous studies, we tested two hypotheses about the impacts of grazing in a naturally heterogeneous landscape in arid central Australia: (1) that grazing leads to net change of resources at a paddock or landscape scale, and (2) that water and nutrients remain coupled as they move through the landscape. We found that key nutrients were likely to be lost at the landscape scale as grazing increased, rather than just being redistributed. Water infiltration increased but runoff was probably lost more readily due to the lack of barriers to flow.
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Library Resource
Australia, Sri Lanka, Africa
Some believe that provision of private property rights in wildlife on private land can provide a powerful economic incentive for nature conservation because it enables property owners to market such wildlife or its attributes. If such marketing is profitable, private landholders will conserve the wildlife concerned and its required habitat. But land is not always most profitably used for exploitation of wildlife, and many economic values of wildlife (such as non-use economic values) cannot be marketed.
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Library Resource
The efficiency and equity effects of economic policies affecting the quarter of Australians who live in rural and regional Australia (RARA) are reviewed. For the most part it is argued that economy‐wide policies, rather than region or industry specific policies, are appropriate. Progressive income taxation, means‐tested social security payments and government funded education, health and other services directly and efficiently redistribute to support equity.
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Library Resource
The Native Vegetation Conservation Act was introduced on January 1st 1998 to limit the clearing of native grassland and woodland in NSW. The Act has limited clearing and development to crops, has protected biodiversity, and may have enhanced soil and water conservation. But this analysis of the prices paid for land in Moree Plains Shire shows that the Act has reduced land values by some 21 per cent and has already reduced annual incomes by 10 per cent across the whole Shire. This reduction in annual incomes may well reach 18 per cent by 2005.
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Library Resource
Queensland, Australia, has a proud pastoral history; however, the private and social benefits of continued woodland clearing for pasture development are unlikely to be as pronounced as they had been in the past. The environmental benefits of tree retention in arid regions of the State are now better appreciated and market opportunities have arisen for the unique timbers of western Queensland.
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