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Showing items 1 through 9 of 51.
  1. Library Resource
    Journal Articles & Books
    December, 2013
    Cambodia

    Forest cover monitoring plays an important role in the implementation of climate change mitigation policies such as Kyoto protocol and Reducing Emissions from Deforestation and Forest Degradation (REDD). In this study, we have monitored land cover using the PALSAR (Phased Array type L-band Synthetic Aperture Radar) full polarimetric data based on incoherent target decomposition.

  2. Library Resource
    Journal Articles & Books
    December, 2013

    Forest dynamics, such as deforestation, reforestation and afforestation, could be caused by the natural and human-induced disturbances. Traditional methods rarely quantify the history of such disturbances along a continuous temporal trajectory; yet, such disturbance history often determines system course and evolution. We adopted a retrospective perspective to study system history by implementing a newly proposed entropy index.

  3. Library Resource
    Journal Articles & Books
    December, 2011
    Armenia

    The impacts of deforestation and land cover change upon underlying soils were examined on one hillside in central Armenia. Soil characteristics in three land cover areas—forest, coppice, and pasture—were recorded and soil samples were analyzed. Deforestation and land cover change were found to increase erosion rates. From soil horizon and structural characteristics, it can be estimated that 40 cm of soil have been lost in the pasture and 20 cm have been lost in the coppice compared to the forest. Soil organic carbon was also affected by deforestation and land cover change.

  4. Library Resource
    Journal Articles & Books
    December, 2011
    Sierra Leone

    This paper presents findings of a land-use and land-cover (LULC) change mapping exercise conducted in Freetown, Sierra Leone. Nine LULC classes were mapped from multi-temporal Landsat data of 1974, 1986 and 2000. Special attention was given to the growth or otherwise of agricultural land in relation to other LULC classes. Conversion of one land-use/-cover type to the other was identified, and its effects discussed. Major conversions occurred between agricultural lands, grasslands, evergreen forest, built-up areas and barren land.

  5. Library Resource
    Journal Articles & Books
    December, 2011
    Italy

    This article explores the simultaneous use of pre-classification and post-classification change-detection techniques to map and monitor land-cover and land-use change using multi-temporal Landsat Multi-spectral Scanner and Enhanced Thematic Mapper plus data over one of the most important tourism centres of Italy (e.g.

  6. Library Resource
    Journal Articles & Books
    December, 2012
    Papua New Guinea

    In recent years, private companies have acquired long-term leasehold titles to more than five million hectares of what was formerly customary land in Papua New Guinea (PNG), but hardly any of this land has been devoted to production of the four green commodities in which PNG might have some comparative advantage – sustainable palm oil, bio-ethanol, biodiversity and carbon credits. Nearly all of it is dedicated to so-called ‘agro forestry’ projects that appear to be short-term salvage logging projects justified by the promise of a purely virtual form of large-scale agricultural production.

  7. Library Resource
    Journal Articles & Books
    December, 2012

    SummaryThere are compelling reasons to encourage the employment of Indigenous Australians in the forestry sector. The benefits of, and constraints to, Indigenous employment in the sector were examined using a case study approach focused on Indigenous participation in ‘Operation Farm Clear’, an emergency response following Cyclone Larry in northern Queensland in 2006. The findings suggested that, given a supportive environment, there are opportunities for Indigenous people to benefit from employment in the forestry sector.

  8. Library Resource
    Journal Articles & Books
    December, 2011
    Guatemala, Central America, South America

    Despite decades of attention by conservationists, deforestation remains a critical problem in Latin America, particularly in agricultural frontiers like the Amazon and the lowlands of Central America. The limited impact of conservation initiatives in such regions stems partly from a poor understanding of the socioeconomic and land use dynamics that typify frontiers. Moreover, conservation organizations tend to disregard the economic and policy factors at various scales that contribute to deforestation pressures in developing countries.

  9. Library Resource
    Journal Articles & Books
    December, 2012

    Summary There are compelling reasons to encourage the employment of Indigenous Australians in the forestry sector. The benefits of, and constraints to, Indigenous employment in the sector were examined using a case study approach focused on Indigenous participation in ‘Operation Farm Clear’, an emergency response following Cyclone Larry in northern Queensland in 2006. The findings suggested that, given a supportive environment, there are opportunities for Indigenous people to benefit from employment in the forestry sector.

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