Articles by Author: Coertj Geldenhuys

Search results for Coertj Geldenhuys

We found 65 results for you
  1. The Blackwood Group System: its relevance for sustainable forest management in the southern Cape

    Item type: Journal Article • Journal: South African Forestry Journal
    The invasion status of Australian blackwood, Acacia melanoxylon, is assessed against its value as a commercial tree in the southern Cape forests. The species was introduced from Australian rain forests and planted extensively in the southern Cape forests since 1909...
  2. Book Review

    Book Review

    Item type: Journal Article • Journal: The Southern African Forestry Journal
  3. BOOK REVIEWS

    BOOK REVIEWS

    Item type: Journal Article • Journal: The Southern African Forestry Journal
  4. Sustainable Harvesting of Timber from Woodlands in Southern Africa: Challenges for the Future

    Sustainable Harvesting of Timber from Woodlands in Southern Africa: Challenges for the Future

    Item type: Journal Article • Journal: The Southern African Forestry Journal
    Woodlands covered > 50% of the land area in southern Africa, but only 57% remain today and only 7% occur in protected areas. Mean population density in the region is 17 people/km2 and urbanisation is increasing. In several countries subsistence...
  5. Insect Damage to Timbers from the Indigenous Forests—Preliminary Results

    Item type: Journal Article • Journal: South African Forestry Journal
    Logs crosscut in the indigenous forests of the southern Cape were inspected for insect damage. The main timber species were Ocotea bullata, Podocarpus latifolius, P. falcatus, Rapanea melanophloeos, Olea capensis subsp. macrocarpa, Platylophus trifoliatus and the naturalised exotic Acacia melanoxylon...
  6. Decline and Mortality of <em>Ocotea bullata</em> Trees in the Southern Cape Forests

    Item type: Journal Article • Journal: South African Forestry Journal
    Dying trees of Ocotea bullata (Lauraceae) occurred in small groups in certain areas in the medium-moist forests of the southern Cape. Crown health declined significantly (P > 0,01) in the dying groups, but this was not the general trend for...