February 2025

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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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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