Articles by Author: Julian Ramirez Villegas

Search results for Julian Ramirez Villegas

We found 19 results for you
  1. Improvement of spatial modelling of crop suitability using a new digital soil map of Tanzania

    Improvement of spatial modelling of crop suitability using a new digital soil map of Tanzania

    Item type: Journal Article • Journal: South African Journal of Plant and Soil
    Climate change is projected to have widespread impacts on the climate suitability and geographical distribution of agricultural crops. Simulations were conducted on the suitability of common beans (Phaseolus vulgaris L.) in Tanzania under progressive climate change, taking into account a...
  2. OBITUARY

    OBITUARY

    Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology
  3. Sustainability of plantation forestry: impact of species change and successive rotations of pine in the Usutu Forest, Swaziland

    Sustainability of plantation forestry: impact of species change and successive rotations of pine in the Usutu Forest, Swaziland

    Item type: Journal Article • Journal: The Southern African Forestry Journal
    Sustainability of wood production from plantations is an important aspect of the whole sustainability issue confronting forestry. Research monitoring growth over three rotations of subtropical pine plantations in the Usutu Forest, Swaziland shows no evidence of decline in yield neither...
  4. LETTERS TO THE EDITOR

    Item type: Journal Article • Journal: South African Forestry Journal
  5. ON LOCALLY COUNTABLY <em>S</em>-CLOSED AND LOCALLY RC-LINDELÖF SPACES

    ON LOCALLY COUNTABLY <em>S</em>-CLOSED AND LOCALLY RC-LINDELÖF SPACES

    Item type: Journal Article • Journal: Quaestiones Mathematicae
    The aim of this paper is to continue the study of some topological properties weaker than S-closed, this time via a local point of view. We show that every focally countably S-closed km-perfect space is extremally disconnected as well as...
  6. Some Growth Effects of Hail Damage and Drought in <em>P. patula</em> Plantations

    Item type: Journal Article • Journal: South African Forestry Journal
    Internodal stem analysis of Pinus patula growing in the Usutu Forest, Swaziland, revealed past abnormalities in grwoth due to hail damage and low rainfall. Hail caused breakage of leaders and, where severe, the resulting loss in tree height could lead...
  7. Threatened bird species on two little-known mountains (Chiperone and Mabu) in northern Mozambique

    Threatened bird species on two little-known mountains (Chiperone and Mabu) in northern Mozambique

    Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology
    The montane forests of northern Mozambique and southern Malawi support several bird species of global conservation concern, and particularly in Malawi are seriously threatened by deforestation. However, the status of these in northern Mozambique remains poorly known. We report that...
  8. Is the Right prior to the Good?

    Is the Right prior to the Good?

    Item type: Journal Article • Journal: South African Journal of Philosophy
    One popular line of argument put forward in support of the principle that the right is prior to the good is to show that teleological theories, which put the good prior to the right, lead to implausible normative results. There...