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Showing items 1 through 9 of 238.
  1. Library Resource
    Conference Papers & Reports
    December, 2003

    This chapter uses a new ecological-economic approach to analyze the role of time in range management in a dynamic and stochastic setting. We first construct a theoretical model of a parcel of rangeland in which time restrictions are used to manage the land. We then show how the dynamic and the stochastic properties of this rangeland can be used to construct two managerial objectives that are ecologically and economically meaningful. Finally, using these two objectives, we discuss an approach to range management in which the manager has two interrelated goals.

  2. Library Resource
    Policy Papers & Briefs
    January, 2004
    Global

    Land quality in the man-modified agricultural landscapes of eastern Africa has been shown to degrade over time, resulting in higher demands for farm inputs in order to sustain productivity. Loss of biodiversity has also been observed in all these areas of land use change. It has therefore become important to know how land use change contributes to land degradation and how land use change leads to biodiversity loss. This paper from the collaborative LUCID project describes a framework for the analysis between land use change, biodiversity loss and land degradation for the first time.

  3. Library Resource
    Journal Articles & Books
    March, 2003
    Turkey

    The aim of this study was to develop an effective procedure for detecting land use/land cover (LU/LC) changes resulting from agricultural encroachment on eastern Mediterranean coastal dunes by using remote-sensing techniques. Historic LU/LC information was extracted from aerial photos taken in 1976 and IKONOS imagery was acquired in 2002 to determine the current LU/LC pattern. The remotely sensed aerial and satellite data were classified by integrating spectral information with measures of texture, in the form of statistics derived from the variance, co-occurrence matrix and variogram.

  4. Library Resource
    January, 2004
    Malawi

    Malawi has pursued an agricultural-led development strategy since its independence in 1964. This agricultural-led development strategy was based on the promotion of a dual agricultural system comprising estate (large-scale) production mainly for cash (export) crops and smallholder agricultural production mainly to support the food security needs of the population. In the post-independence era, the objectives of an agricultural strategy were four fold: To raise agricultural productivity and accelerate growth and export performance.

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