Theme 1 Sustainable food supply Key Question 2 What factors promote or hinder food production? Physical factors: (i) Climate (ii) Relief (iii) Soil (iv) Pests and diseases

The case study we are going to be using is the country of Namibia, in South West Africa. 1.2 What factors promote or hinder food production? Climate Relief Soils Pests and diseases 2

Storm in Etosha

Fog on the Skeleton Coast Flooding in Mariental (Photo: AZ Windhoek) Fog on the Skeleton Coast

Sesriem Frost

1.2 What factors promote or hinder food production? Climate Relief Soils Pests and diseases

Different landscapes of Namibia: Fish River Canyon above left, Namib Desert above right, Kalahari Desert below left, Waterberg Plateau, below right

1.2 What factors promote or hinder food production? Climate Relief Soils Pests and diseases

Soils Halomorphic soil Arenosol (Kalahari Sands Arenosol Soils in Namibia are dominated by four main types of soil, with most not being suitable for agricultural use. Lithosols are shallow and rocky Calcareous soils are developed on limestone, and are also shallow and stony Arenosols are sandy and therefore infertile and able to be blown away Halomorphic soils are very salty, e.g. Etosha Pan Calcareous soil Lithosol

1.2 What factors promote or hinder food production? Climate Relief Soils Pests and diseases 2006-07 Another outbreak in England in 2007 highlights a disease that has continued to occur throughout the world, especially in Sub-Saharan Africa, South Asia, and South America