February 2025

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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Resource Exploitation:Mining

By |2025-02-12T09:27:35+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Open cast mining. Image credit mutapamining.com

ZIMSEC O Level Geography Notes:Resource Exploitation:Mining: Types of Mining

OPEN CAST AND STRIPPING (SURFACE METHODS)

  • The open cast method is used when mineral deposits occur in horizontal seams which are near the surface not more than 50 meters deep.
  • This method involves blasting which is carried […]
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Forests in Zimbabwe: Brachystegia Savanna Woodland

By |2025-02-12T09:19:45+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

A group of Musasa trees on a low hill. Image credit flickr.com

ZIMSEC O Level Geography Notes: Natural Resources: Renewable Resources: Forests in Zimbabwe: Brachystegia Savanna Woodland

  • This type of woodland generally covers much of the country’s Highveld, generally lying between 900 and 1 200 metres above sea level.
  • Brachystegia is […]
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Conservation of coniferous forests

By |2025-02-12T09:00:04+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

National Park Bashkiriya / Ural Mountains / Russia. Image credit framepool.com

ZIMSEC O Level Geography Notes: Natural Resources: Conservation of coniferous forests

  • National Parks and protected forest areas have been established both in North America, Europe and the former Soviet Union (now Russia).
  • Good management approaches are employed to ensure that […]
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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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Solutions for sustaining the world’s fisheries

By |2025-02-12T09:20:59+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Swimming fish. Image credit National Geographic

ZIMSEC O Level Geography Notes: Natural Resources: Fishing:Solutions for sustaining the world’s fisheries

  • Increasing fishing disputes have pressured the United Nations into action.
  • Through the Third United Nations Conference on the law of the Sea of 1974, the UN established a 200 nautical mile zone […]
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Energy resources in Zimbabwe

By |2025-02-12T08:56:47+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Wood is a popular fuel source in Zimbabwe. Image credit Flickr.com

ZIMSEC O Level Geography Notes: Natural Resources: Energy:Energy resources in Zimbabwe

  • The major sources of Zimbabwe’s electrical energy are coal from Hwange and water at Kariba HEP station.
  • Wood makes small but significant contributions.
  • All the oil products used in […]
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Resource Exploitation:Mining in Zimbabwe

By |2025-02-12T09:28:24+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Chiadzwa Diamond Mine. Image credit mining.com

ZIMSEC O Level Geography Notes: Natural Resources:Resource Exploitation, Mining in Zimbabwe

  • Zimbabwe has a wide mineral resource base which is exploited commercially.
  • Large scale mining is dominated by foreign transnational companies such as Anglo-American, Rio Tinto and Ashanti Gold Fields.
  • The majority of the local […]
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Zimbabwean forests: Mopani Savanna woodland

By |2025-02-12T09:20:07+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Mopane trees in Matebeland Zimbabwe. Image credit flickr.com

ZIMSEC O Level Geography Notes: Natural Resources: Forestry: Zimbabwean forests: Mopani Savanna woodland

  • Also known as mopane
  • This type of woodland is mainly confined to parts of the middle and Lowveld, between 400 and 900 metres above sea level.
  • Rainfall decreases as one […]
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Types of Forests: Deciduous temperate forests

By |2025-02-12T09:00:37+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Deciduous temperate forest. Image credit thinglink.com

ZIMSEC O Level Geography Notes: Natural Resources : Deciduous temperate forests

  • These are also known as temperate deciduous forests or temperate broad-leaf forests.
  • They are dominated by trees that lose their leaves each year.
  • They are found in areas with warm, moist summers and mild winters
  • […]

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