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Showing items 1 through 9 of 623.
  1. Library Resource
    Journal Articles & Books
    December, 2012

    In this letter, we present the methodology and accuracy assessment of a new regional 250-m spatial resolution land cover map of insular Southeast Asia. Nearly 500 daily Moderate Resolution Imaging Spectroradiometer images (acquired 2 January–3 July 2010) were used in the production of the map. Additionally, peatland maps, elevation information and Daichi-Advanced Land Observing Satellite mosaic data were utilized in the mapping process.

  2. Library Resource
    Journal Articles & Books
    December, 2015
    South Africa, Brazil, India, China, Southern Africa

    Acacia mearnsii De Wild (black wattle) is an important plantation species for tannin production and woodchip exports in South Africa and Brazil. This study provides an updated overview of the black wattle industries in both countries, including planted areas and land ownership, silviculture and management, bark extract production, woodchip exports, as well as key research and development issues. The current total planted area to black wattle is 110 000 ha in South Africa and c. 170 000 ha in Brazil. In both countries black wattle is mainly cultivated by farmers (c.

  3. Library Resource
    Journal Articles & Books
    December, 2012
    Africa

    This study compares the ASTER Global DEM version 1 (GDEMv1) and version 2 (GDEMv2) for two study sites with distinct terrain and land cover characteristics in western Africa. The effects of land cover, slope, relief, and stack number are evaluated through both absolute and relative DEM statistical comparisons. While GDEMv2 at times performed better than GDEMv1, this improvement was not consistent, revealing the complex nature and interaction of terrain and land cover characteristics, which influences the accuracy of GDEM tiles on local and regional scales.

  4. Library Resource
    Journal Articles & Books
    December, 2011
    Germany

    This article examines the origins of the natural-wine movement in Germany—the first of its kind in Europe—by exploring the crucial technological and social developments which prompted the use of derided “artificial” winemaking techniques. The forgotten social reformer Ludwig Gall, once known to as the “savoir of the small vintner,” helped to relieve the unreliable dependency of winegrowers on nature by perfecting a deacidification technique which allowed for pleasant wines in any vintage.

  5. Library Resource
    Journal Articles & Books
    December, 2016
    India

    In India the vegetable supply chain has traditionally been fragmented since the majority of growers are smallholders with limited exposure to improved agricultural practices. This study analyzed behavior of 556 vegetable growers in 6 districts of Uttar Pradesh, India, concerning adoption of innovative agricultural practices: crop rotation, green manuring, crop diversification, sorting and grading of produce, and market and price analysis from crop establishment through postharvest and marketing. Most respondents were smallholders.

  6. Library Resource
    Journal Articles & Books
    December, 2011
    Laos

    This article examines the transition from shifting cultivation to rubber production for a study area in northern Laos PDR using an agent-based model of land-cover change. A primary objective of the model was to assess changes in household-level inequality with the transition from shifting cultivation to rubber adoption. A secondary objective was to develop explanations for the rate of rubber adoption in the study area.

  7. Library Resource
    Journal Articles & Books
    December, 2012
    Vietnam, Moldova, China, Uzbekistan, Russia, Armenia, Eastern Europe, Asia, Central Asia

    During the past two decades agrarian (‘land and farm’) reforms have been widespread in the transition economies of Eastern Europe, the Caucasus and Central Asia (EECCA), following earlier ones in Asia (China and Vietnam). However, independent family farms did not become the predominant sector in most of Eastern Europe. A new dual (or bi-modal) agrarian structure emerged, consisting of large farm enterprises (with much less social functions than they had before), and very small peasant farms or subsidiary plots.

  8. Library Resource
    Journal Articles & Books
    December, 2015
    Niger, Global

    Whether aggravated agricultural drought in the Sahel is related to a changing climate (meteorological drought, i.e., deficit of rainfall or unfavourable rainfall distribution) or to land use and land degradation (soil-water drought, i.e., decreased water infilitration and water holding capacity) is a much-debated issue.

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