The previous unit in this module showed that most of out planet’s water is in the oceans but sea water is not readily usable for drinking or irrigation. What use are the world’s oceans?
This unit looks at three important needs that the oceans provide for: oxygen, food and energy.
Study the following presentation then address the questions that follow it.
Importance of oceans
Assignments
1. Visit the following site and answer the questions based on ithttps://www.fao.org/fi/oldsite/FCP/en/zaf/profile.htm
(a) Name three types of fishing that are practiced in South Africa commercially
(b) Identify five important species that are fished in South Africa
(c) What is a major threat to the South African fishing industry and discuss two ways that this is being managed
(d) How important is fishing to the South African economy?
2. Explain how tidal or wave energy could contribute to alleviating South Africa’s electricity problems.