Articles by Keyword: Topography

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  1. Temporal and spatial dynamics of mineral levels of forage, soil and cattle blood serum in two semi-arid savannas of South Africa

    Temporal and spatial dynamics of mineral levels of forage, soil and cattle blood serum in two semi-arid savannas of South Africa

    Item type: Journal Article • Journal: African Journal of Range & Forage Science
    In this study, we examined temporal and spatial dynamics of minerals of forage, soil and cattle serum in two savannas (valley and plain) of South Africa. The aims were to explore the relationships between ecosystem components, and plan communal grazing...
  2. Historical vegetation–environment patterns for assessing the impact of climatic change in the mountains of Lesotho

    Historical vegetation–environment patterns for assessing the impact of climatic change in the mountains of Lesotho

    Item type: Journal Article • Journal: African Journal of Range & Forage Science
    Climate change will probably profoundly impact the Maloti Mountains in Lesotho, which are likely to have a warmer, wetter and more CO2-enriched (eCO2) atmosphere in the future. Intensive smallstock grazing could exacerbate the effects of climate change on the mountain...
  3. Role of site in the mortality and production of <em>Acacia mangium</em> plantations in Indonesia

    Role of site in the mortality and production of <em>Acacia mangium</em> plantations in Indonesia

    Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science
    In Indonesia, Acacia mangium plantations exceed 1.6 Mha contributing approximately 3.5% of the country’s GDP. The viability of these plantations is increasingly threatened by fungal pathogens, insect pests, squirrels, monkeys, elephants and wind damage. Studies indicate that the problem is...
  4. Prediction of primary salinity, sodicity and alkalinity in South African soils

    Prediction of primary salinity, sodicity and alkalinity in South African soils

    Item type: Journal Article • Journal: South African Journal of Plant and Soil
    Several attempts have in the past been made to map the primary salinity, sodicity and alkalinity of South African soils. These have typically been based on personal experience and/or limited data and also failed to quantify the accuracy of prediction...