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An analysis of primary and secondary production in lake Kariba in a changing climate
(University of Western Cape, 2011)
Analysis of temperature, rainfall and evaporation records over a 44-year period spanning the years 1964 to 2008 indicates changes in the climate around Lake Kariba. Mean annual temperatures have increased by approximately ...
How do teachers and learners navigate the terrain of ecology and what are the associated conceptual understanding?
(2011)
This thesis relates the teaching of ecology in schools to the requirements of the National Curriculum Statements, Grades R-9 and Grades 10-12, for Natural and Life Sciences. It examines the conceptual understanding of the ...