natural resources Archives - Free ZIMSEC & Cambridge Revision Notes

Exploitation of natural resources

By Rachel Majaya|2022-09-15T12:35:34+02:00January 24th, 2023|Notes, O Level Geography, Ordinary Level Notes|

Exploitation of natural resources, gold panning in Mozambique.Image credit nytimes.com

ZIMSEC O Level Geography Notes: Natural Resources:Resource Exploitation

The exploitation of natural resources is the use of natural resources for economic growth, sometimes with a negative implication of accompanying environmental degradation.
It started to emerge on an industrial scale in the […]

Comments Off

Forestry: Deforestation

By Rachel Majaya|2022-09-15T12:35:16+02:00January 24th, 2023|Notes, O Level Geography, Ordinary Level Notes|

Deforestation in the Amazon rain forest. credit blog.conservation.org

ZIMSEC O Level Geography Notes: Natural Resources:World Deforestation

Deforestation is the cutting down of trees without replacing them.

The most important role forests play in sustaining people’s lives is being threatened by the rapid disappearance of the world’s forests.
In 2009, most of the […]

Comments Off

Types of Forests: Coniferous forests

By Rachel Majaya|2022-09-15T12:35:06+02:00January 24th, 2023|Notes, O Level Geography, Ordinary Level Notes|

Coniferous forest. Image credit chcentralmich.com

ZIMSEC O Level Geography Notes: Natural Resources: Coniferous forests

Coniferous forests consists of evergreen trees which do not shed their leaves at any time of the year.
These are confined to the cool temperature, latitude in belts stretching across northern USA. Southern Canada, Scandinavia, northern Europe […]

Comments Off

Fishing in Malawi

By Rachel Majaya|2022-09-15T12:34:51+02:00January 24th, 2023|Notes, O Level Geography, Ordinary Level Notes|

Fishing in Malawi. Image credit originaltravel.co.uk

ZIMSEC O Level Geography Notes: Natural Resources: Fishing: Fishing in Malawi

Malawi is one of the most important inland fish producers in the SADC region.
Malawi has been given the responsibility to co-ordinate inland fisheries, forestry and wildlife within the SADC region.
Malawi’s fisheries include […]

Comments Off

The world’s major fisheries

By Rachel Majaya|2022-09-15T12:34:41+02:00January 24th, 2023|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 […]

Comments Off

Small scale energy sources and plants:Bio-fuel

By Rachel Majaya|2022-09-15T12:34:33+02:00January 24th, 2023|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 […]

Comments Off

Problems faced during exploitation of natural resources

By Rachel Majaya|2022-09-15T12:35:34+02:00January 24th, 2023|Notes, O Level Geography, Ordinary Level Notes|

Mining without capital. A Korokoza descends into a mine. Image credit mg.co.za

ZIMSEC O Level Geography Notes: Natural Resources: Problems of Resources Exploitation

Resources exploitation is not easy and there are many difficulties that are faced which can be grouped into physical factors and human factors.
The following are physical and […]

Comments Off

Zimbabwe’s forests

By Rachel Majaya|2022-09-15T12:35:20+02:00January 24th, 2023|Notes, O Level Geography, Ordinary Level Notes|

Msasa trees in spring. Image credit flickr.com

ZIMSEC O Level Geography Notes:Natural Resources: Renewable Resources: Zimbabwe’s forests

Zimbabwe’s natural vegetation is generally described as savanna woodland.
This means that the vegetation consists mainly of tall grass and scattered trees.
The density of trees varies from place to place depending on various […]

Comments Off

Uses of coniferous forests

By Rachel Majaya|2022-09-15T12:35:05+02:00January 24th, 2023|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 […]

Comments Off

The different types of fishing methods

By Rachel Majaya|2022-09-15T12:34:50+02:00January 24th, 2023|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 […]

Comments Off

January 2023