O Level Geography Archives - Page 9 of 35 - Free ZIMSEC & Cambridge Revision Notes

Forests in Zimbabwe: Brachystegia Savanna Woodland

By Rachel Majaya|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 […]

Comments Off

Conservation of coniferous forests

By Rachel Majaya|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 […]

Comments Off

Fish processing and marketing

By Rachel Majaya|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 […]

Comments Off

Problems affecting the world’s fishing industry

By Rachel Majaya|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 […]

Comments Off

Small scale energy sources: Wood stove

By Rachel Majaya|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

[…]

Comments Off

Land and sea breeze pressure system

By garikaib|2025-02-12T09:20:34+02:00February 12th, 2025|O Level Geography, Weather and Climate|

Land and Sea breezes occur along coastal areas such as beaches. Image by Livescience. ZIMSEC O Level Geography Notes:Land and Sea breezes

As the name clearly suggests these breezes occur along coastal areas or along large lakes […]

Comments Off

Floods

By garikaib|2025-02-12T09:03:34+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes, Weather and Climate|

Floods in OZ. Image by Time. ZIMSEC O Level Geography Notes: Weather Hazards: Floods.

Some parts of Zimbabwe especially low lying areas like Muzarabani. The Tokwe-Mukosi area near Masvingo experienced severe floods in the 2014/15 rain season leaving a lot of homes destroyed and people […]

Comments Off

Extrusive volcanic landforms

By garikaib|2025-02-12T09:43:12+02:00February 12th, 2025|Landform Studies, Notes, O Level Geography, Ordinary Level Notes|

Pico Cão Grande in New Guinea. Image credit imgur.com Pico Cão Grande in Gulf of Guinea. Image credit imgur.com ZIMSEC O Level Geography Notes: Extrusive volcanic landforms.

Magma sometimes reaches earth’s surface through a vent/hole or a fissure/crack in surface rocks.
When lava reaches and emerges onto the earth’s surface […]

Comments Off

Characteristics of Hot Deserts

By garikaib|2025-02-12T09:28:03+02:00February 12th, 2025|Hot Deserts, Notes, O Level Geography, Ordinary Level Notes|

Kalahari Desert. Image credit HDImageLib ZIMSEC O Level Geography Notes:Characteristics and Location of Hot deser

NB:It is important to note that the Ordinary Level syllabus confines our study to hot deserts that are otherwise known as tropical deserts. Other deserts such as the cold deserts of […]

Comments Off