February 2025

Conservation of mineral resources

By |2025-02-12T09:01:45+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

A pile of metal awaiting recycling. Image credit earth911.com

ZIMSEC O Level Geography Notes: Natural Resources:Conservation of mineral resources

  • Conservation of resources is the ethical use and protection of valuable resources, such as trees, minerals, wildlife, water and others.
  • It focuses on maintaining the natural world in order to protect the […]
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Tropical Forest Case study:The Korup Project

By |2025-02-12T08:57:58+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

The Korup National Park. Image credit himalayaninstitute.org

ZIMSEC O Level Geography Notes: Case study:The Korup Project

  • This project is located in the south-western part of Cameroon, on the border with Nigeria.
  • The forest around this area is characterized by high rainfall and poor soils making it unsuitable for raising crops
  • The […]
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Fish processing and marketing

By |2025-02-12T09:35:52+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Sun dried Kapenta. Image credit blogspot.com

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

  • Subsistence and commercial fishers employ more or less the same processing methods.
  • The high tropical temperatures mean that fish go bad very quickly after being landed from the lakes rivers and swamps.
  • Small […]
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Problems affecting the world’s fishing industry

By |2025-02-12T09:20:40+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Over fishing is one of the problems facing the fish industry. Image credit MediaWiki

ZIMSEC O Level Geography Notes: Natural Resources: Fishing:Problems affecting the world’s fishing industry

  • Slight changes in conditions in the continental shelves alter the food chain.
  • This reduces fish production.
  • An example is the decline in anchovy fish […]
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Small scale energy sources: Wood stove

By |2025-02-12T09:45:48+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Wood stove. Image credit quadrafire.com

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

  • A wood stove is a heating appliance capable of burning wood fuel and wood-derived biomass fuel, such as wood pellets.
  • Wood stove are usually made using a combination of metal(iron) and bricks

    • […]

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Factors that affect the Spheres of influence

By |2025-02-12T09:03:29+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

The city of Harare has the largest sphere of influence. Image credit

ZIMSEC O Level Geography Notes: Settlements:Factors that affect  the Spheres of influence

  • The most important factor in determining the sphere of influence of a settlement is it’s size
  • Products and services can also be used to determine a settlement’s […]
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Human Farm Inputs: Farm machinery

By |2025-02-12T09:00:16+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Farm Tractors are widely used equipment.

ZIMSEC O Level Geography Notes:Agriculture:Human Farm Inputs: Farm machinery

Farm machinery

  • This is a very crucial human input in that it determines the productive capacity of a farming system.
  • The machinery used depends on the technological advancements of that community.
  • Machinery helps in making work light in […]
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Factors influencing farming: Introduction

By |2025-02-12T09:28:57+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Farmers looking for pests on bean crop. Image credit Flicker.com

ZIMSEC O Level Geography Notes:Agriculture:Factors influencing farming: Introduction

  • The output of a farm is affected by :
  • The physical conditions of the environment
  • This includes conditions like climate,
  • soil and biotic factors of insects,
  • pests and diseases.
  • Farming is also influenced […]
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