Résultats de la recherche | Land Portal

Résultats de la recherche

Showing items 1 through 9 of 199.
  1. Library Resource
    Documents et rapports de conférence
    décembre, 2010
    Australie

    With the impending introduction of an Australian Carbon Pollution Reduction Scheme, farmers andlandholders in rural Australia have increased opportunities to participate in the market. This includes theadoption of land-use change to sequester additional carbon in exchange for carbon credits and theproduction of a renewable energy source (biofuels). However, these land-use changes compete withexisting farm enterprises and may contain significant transaction costs.

  2. Library Resource
    Articles et Livres
    décembre, 2006
    Inde, Australie, Kenya, Afrique, Afrique orientale

    The need to increase water productivity is a growing global concern as the World Commission on Water has estimated that demand for water will increase by c. 50% over the next 30 years and approximately half of the world's population will experience conditions of severe water stress by 2025. Three-quarters of African countries are expected to experience unstable water supplies, whereby small decreases in rainfall induce much larger reductions in streamflow.

  3. Library Resource
    Documents de politique et mémoires
    août, 1999
    Australie

    Considerable public funding is provided for research and development intended to improve the management and use of shared natural resources, such as water. In Australia the Land and Water Research and Development Corporation (LWRRDC) and Environment Australia are significant providers of such funds. These providers tend to judge the value of R & D projects supported by them on the basis of whether or not significant technology transfer and adoption takes place. Researchers involved in these projects and expected to be the prime movers of such transfer.

  4. Library Resource
    Articles et Livres
    décembre, 1999
    Australie

    A consequence of the European colonization of Australia has been a significant ioss of biodiversity: one in four mammal species is either extinct or threatened. In contrast, only one species of bird has been lost from the Australian continent and there is less concern for the survival of the Australian avifauna than for mammals. This is despite the fact that nearly one in five bird species is listed as threatened or of “special concern”.

  5. Library Resource
    Articles et Livres
    décembre, 2011
    France, Afrique du Sud, Danemark, Italie, Australie, Irlande, Royaume-Uni, Nouvelle-Zélande, Europe, Asie, Amérique septentrionale, Afrique, Amérique du Sud, Afrique australe

    We used the process-oriented niche model CLIMEX to estimate the potential global distribution of serrated tussock under projected future climates. Serrated tussock is a drought-tolerant, wind- and human-dispersed grass of South American origin that has invaded pastures in Australia, Europe, New Zealand, and South Africa. The likely effect of climate change on its potential global distribution was assessed by applying six climate-change scenarios to a previously developed model.

  6. Library Resource
    Documents et rapports de conférence
    décembre, 2008
    Australie

    When water entitlement and water sharing systems are mis-specified, that is specified in amanner that lacks hydrological integrity, inefficient investment and water use is the result.Using Australia's Murray Darling Basin as an example, this paper attempts to reveal theeconomic consequences of entitlement mis-specification.

  7. Library Resource
    Articles et Livres
    décembre, 2007
    Australie

    Offsets (also known as mitigation banks, compensatory habitat, set-asides) is a policy instrument recently introduced in several States in Australia to permit some land clearing while striving for no net loss in the extent and condition of native vegetation overall. Offsetting is criticized with respect to the amount of gain required to compensate for losses from clearing, the equivalence of losses and gains, the time lag between losses and gains and a poor record of compliance.

  8. Library Resource
    Articles et Livres
    décembre, 2008
    Australie

    Large fires coincident with drought occurred in south-eastern Australia during 2001-2007. Perceptions of large, intense fires as being ecologically 'disastrous' are common. These are summarised by four hypotheses characterising large fires as: (i) homogenous in extent and intensity; (ii) causing large-scale extinction due to perceived lack of survival and regeneration capacity among biota; (iii) degrading due to erosion and related edaphic effects; (iv) unnatural, as a consequence of contemporary land management.

  9. Library Resource
    Documents et rapports de conférence
    décembre, 2009
    États-Unis d'Amérique, Philippines, Malaisie, Chine, Indonésie, Australie, Canada, Thaïlande, Nouvelle-Zélande

    The emerging biofuel sector has drawn great interest as an alternative source of fuel for transportation. The expansion of biofuels greatly impacts world agricultural markets, since currently, the primary feedstocks for ethanol and biodiesel production are field crops and their derived products. There is great interest in the potential of countries to expand their biofuel sectors through increased production of feedstocks. The long-term potential for developing first-generation biofuels in many countries depends on a large and constant supply of feedstocks.

  10. Library Resource
    Articles et Livres
    décembre, 2011
    Australie

    Simulation of the land subdivision process is useful in many applied and research areas. Planners use such tools to understand potential impacts of planning regulations prior to their implementation. While the credibility of both land-use change and urban growth models would be enhanced by integrating capabilities to simulate land subdivision, such research is lacking in the published literature. Of the few subdivision tools that exist, most are either not fully-automated or are unable to generate realistic subdivision layouts.

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