Articles by Keyword: Forest Destruction

Search results for Forest Destruction

We found 118 results for you
  1. Role of Eucalypt Plantations in Timber Supply and Forest Conservation in Sub-Saharan Africa

    Item type: Journal Article • Journal: South African Forestry Journal
    The role of eucalypt plantations in timber supply and forest conservation in Sub-Saharan Africa was investigated. The annual destruction of 11,5 million ha of tropical forest is highlighted, the various causes indicated and the controversy whether fast-growing plantations and woodlots...
  2. Adjusting Faustmann's Formula for a Dynamic Financial Environment

    Item type: Journal Article • Journal: South African Forestry Journal
    The well-known LEV criterion or Faustmann's formula which evolved in the static financial environment of the nineteenth century is adjusted to take account of the changes in the dynamic financial environment of today. A previous incorrect attempt to adjust LEV...
  3. Financial Decision Criteria and Real Price Changes

    Item type: Journal Article • Journal: South African Forestry Journal
    General price indices such as the Consumer Price Index (CPI) or the Production Price Index (PPI) represent the weighted average of prices of a large number of goods and services. Such price indices therefore cannot accurately measure the changes in...
  4. A New Form of Internal Rate of Return

    Item type: Journal Article • Journal: South African Forestry Journal
    When the Internal Rate for Return (IRR) of a forestry project is calculated by means of traditional methods which ignore real price changes, the IRR for one rotation of the project is identical to the IRR for an infinite series...
  5. Estimated Woody Litterfall in Broadleaved, Evergreen Forest, Southern Cape, South Africa

    Item type: Journal Article • Journal: South African Forestry Journal
    A new line-transect technique for monitoring woody litterfall in forests is described. In indigenous, evergreen coastal forest at Harkerville, southern Cape, branches and trees which fell and accumulated across 50 m lengths of twine over a period of seven years,...
  6. Distribution, Size and Ownership of Forests in the Southern Cape

    Item type: Journal Article • Journal: South African Forestry Journal
    Indigenous forest of the southern Cape as delimited on 1:50 000 maps was analysed for distribution, size and ownership in six landscape zones: mountains, foothill, coastal platform, river valley, coastal scarp and dunes. I tested the hypothesis that forest distribution...
  7. Indigenous High Forests in the Transvaal with Special Reference to Inventory and Monitoring Systems

    Item type: Journal Article • Journal: South African Forestry Journal
    The indigenous forests in the Transvaal comprise a total area of 35 385 ha, of which 18 088 ha or 51% are situated on State forest land. The forests are found mainly along the Drakensberg escarpment and, to a lesser...
  8. Floristic and Structural Composition of Wonderwoud Forest in the Wolkberg, North-Eastern Transvaal

    Item type: Journal Article • Journal: South African Forestry Journal
    The closed, evergreen forest of 450 ha was studied by means of a survey of 55 circular plots of 0,04 ha, distributed in a grid pattern. TWINSPAN classification separated the forest into four stand types: Olea capensis macrocarpa—Xymalos monospora—Syzygium gerrardii...
  9. Floristic and Structural Composition of Hanglip Forest in the Soutpansberg, Northern Transvaal

    Item type: Journal Article • Journal: South African Forestry Journal
    The closed, evergreen forest of 363 ha was sampled by means of 62 circular plots of 0,04 ha, distributed in a grid pattern. TWINSPAN classification separated the forest into regrowth forest with two forest types, and mature forest with four...
  10. Chemical Evaluation of Leaf Fibre Residues from Tropical Tree Legumes—a Wealth in Social Perspective

    Item type: Journal Article • Journal: South African Forestry Journal
    Leaf fibre residues obtained as a by-product during bulk extraction of leaf protein meal from three tropical forest trees viz. Albizzia procera Benth., Dalbergia sisso Roxb. and Delonix regia Raf. were analysed for their chemical and mineral composition. The fibres...