February 2025

Uses of coniferous forests

By |2025-02-12T08:59:36+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Timber from coniferous trees. Image credit thecanadianencyclopedia.ca

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

  • Coniferous forests have also suffered more or less the same fate as the rainforests.
  • The loss to deforestation has however, been limited by better management styles and their quick maturing characteristic.
  • Coniferous softwoods […]
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The different types of fishing methods

By |2025-02-12T09:35:19+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Subsistence fishing using mosquito nets in Malawi. Image credit dw.com

ZIMSEC O Level Geography Notes:Natural Resources: Fishing: Fishing methods

  • Subsistence fishers use:
  • basket traps,
  • hooks and lines,
  • scoops and dugout canoes.
  • These are mainly confined to the shallow waters of Lakes Malombe, Chiuta, Chilwa in southern Malawi and swamps of the […]
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The world’s major fisheries

By |2025-02-12T09:20:13+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

World’s Aquatic habitats. Image credit utexas.edu

ZIMSEC O Level Geography Notes: Natural Resources: Fishing:The world’s major fisheries

  • Fresh water fishing is important in localized communities.
  • In most cases the world’s fish comes from the ocean.
  • Most of the world’s productive ocean fisheries are located in the shallow waters of continental shelves […]
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Small scale energy sources and plants:Bio-fuel

By |2025-02-12T09:45:20+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Jatropha plant. Image credit jatropha.org.za

ZIMSEC O Level Geography Notes: Natural Resources: Energy:Small scale energy sources and plants:Bio-fuel

  • is a fuel that is produced through contemporary biological processes,
  • such as agriculture and anaerobic digestion,
  • rather than a fuel produced by geological processes such as those involved in the formation of fossil […]
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Sunshine

By |2025-02-12T09:16:02+02:00February 12th, 2025|O Level Geography, Weather and Climate|

A sunshine recorder. Image by Rfuess-Mueller. A sunshine recorder. Image by Rfuess-Mueller. ZIMSEC O Level Geography Notes: Sunshine

  • It has a glass sphere surrounded by a metal frame.
  • On the frame is attached a sensitive card.
  • The sphere focuses the sun’s rays onto the card.
  • As the sun moves across the sky it burns […]
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Landforms resulting from intrusive vulcanicity

By |2025-02-12T09:39:56+02:00February 12th, 2025|Landform Studies, Notes, O Level Geography, Ordinary Level Notes|

Some of the landforms resulting from intrusive vulcanicity. Image by Msneucleus.org Some of the landforms resulting from intrusive vulcanicity. Image by Msnucleus.org ZIMSEC O Level Geography Notes: Landforms resulting form intrusive vulcanicity

Intrusive vulcanicity is the movement of gasses, magma and other materials into the earth’s curst to form interior volcanic […]

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