geography notes Archives - Page 15 of 21 - Free ZIMSEC & Cambridge Revision Notes

Deforestation in tropical rainforests

By Rachel Majaya|2022-09-15T12:35:07+02:00January 24th, 2023|Notes, O Level Geography, Ordinary Level Notes|

Deforestation in a Tropical Rainforest. Image credit .worldwildlife.org

ZIMSEC O Level Geography Notes:Natural Resources:Tropical deforestation

Deforestation in tropical rain forests is mainly a result of the need to meet local and external needs.
Local needs are generally basic and include the following:
Agriculture- population pressures and rural poverty forces people to […]

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Fishing in Malawi

By Rachel Majaya|2022-09-15T12:34:51+02:00January 24th, 2023|Notes, O Level Geography, Ordinary Level Notes|

Fishing in Malawi. Image credit originaltravel.co.uk

ZIMSEC O Level Geography Notes: Natural Resources: Fishing: Fishing in Malawi

Malawi is one of the most important inland fish producers in the SADC region.
Malawi has been given the responsibility to co-ordinate inland fisheries, forestry and wildlife within the SADC region.
Malawi’s fisheries include […]

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Fish processing and marketing

By Rachel Majaya|2022-09-15T12:34:42+02:00January 24th, 2023|Notes, O Level Geography, Ordinary Level Notes|

Processing fish by drying them. Image credit MediaWiki

ZIMSEC O Level Geography Notes: Natural Resources: Fishing:Fish processing and marketing

Most of the fish are sold fresh at the fishing ports and major urban areas in the region.
Use of refrigerated facilities has become increasingly important.
Some fresh fish are transported into […]

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Small scale energy sources and plants:Solar energy

By Rachel Majaya|2022-09-15T12:34:33+02:00January 24th, 2023|Notes, O Level Geography, Ordinary Level Notes|

A Photo-voltaic power plant. Image credit oorjasolar.com

ZIMSEC O Level Geography Notes: Natural Resources: Energy:Small scale energy sources and plants:Solar energy

Solar energy is converted into electrical energy in two ways
The first is through the use of solar panels
These are also known as photo voltaic power plants for reasons […]

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Canoes and Dhows

By garikaib|2022-09-15T12:41:10+02:00January 24th, 2023|Notes, O Level Geography, Ordinary Level Notes|

Canoes are a popular way of transporting people in Venice. Image credit miriadna.com ZIMSEC O Level Geography Notes: Transport: Canoes and Dhows

They are cheap
clean
They are versatile as they can carry a variety of goods
They are simple to […]

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Harris and Ullman’s Multi-nuclei model (1945)

By garikaib|2022-09-15T12:40:59+02:00January 24th, 2023|Notes, O Level Geography, Ordinary Level Notes|

The Multi-nuclei model. Image credit MediaWiki ZIMSEC O Level Geography Notes: Settlements: Harris and Ullman’s Multi-nuclei model (1945)

They made their study well after the other two models had been published and thus had the benefit of hindsight and cities had since grown in size.

Findings

They […]

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The city of Gweru

By Rachel Majaya|2022-09-15T12:37:19+02:00January 24th, 2023|Notes, O Level Geography, Ordinary Level Notes|

The city of Gweru. Image credit vevesworld.com

ZIMSEC O Level Geography Notes: Settlements: The city of Gweru

Gweru is an administrative capital of the Midlands region.
It has a male population of 776 787 and a female population of 838 154 which results in a total population of 1 614 941 […]

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Common Killer Diseases in the Tropics: Malaria

By Rachel Majaya|2022-09-15T12:36:57+02:00January 24th, 2023|Notes, O Level Geography, Ordinary Level Notes|

Anopheles Mosquito. Image credit voanews.com

ZIMSEC O Level Geography Notes:Common Killer Diseases in the Tropics: Malaria

Malaria is one of the most widespread diseases in Tropical Africa.
It is caused by a parasite called plasmodium,
which is transmitted by the female anopheles mosquito.
When a female anopheles mosquito bites a patient, it […]

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Human Farm Inputs: Labour and Capital

By Rachel Majaya|2022-09-15T12:36:45+02:00January 24th, 2023|Notes, O Level Geography, Ordinary Level Notes|

Capital and Labour are important on farms. Image credit buzzsouthafrica.com

ZIMSEC O Level Geography Notes:Agriculture:Farm Inputs:Farm Inputs: Labour and Capital

These fall under Human Inputs

Labour

This refers to the number of people involved in a production system, their skills or technical know-how as well as their production objectives.
In traditional farming systems, […]

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Tea farming in Zimbabwe

By Rachel Majaya|2022-09-15T12:36:28+02:00January 24th, 2023|Notes, O Level Geography, Ordinary Level Notes|

ZIMSEC O Level Geography Notes:Agriculture:Farming types in Africa:Tea farming in Zimbabwe

Growing conditions and growing area

A perennial tree crop grown more on plantation than by individual commercial farmers.
A region 1 crop in Zimbabwe.
High rainfall, over 1 000 mm, cool temperature, around 18°C but must be frost-free.
Grown on mountain […]

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January 2023