March 2017

Solutions for sustaining the world’s fisheries

By |2022-09-15T12:34:41+02:00March 20th, 2017|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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Fish conservation at sea level

By |2022-09-15T12:34:41+02:00March 20th, 2017|Notes, O Level Geography, Ordinary Level Notes|

Fish drying. Image credit irinnews.org

ZIMSEC O Level Geography Notes: Natural Resources:Fishing:Fish conservation at sea level

  • Sustainable use of fish resources is necessary in order to meet present and future needs.
  • The following have been adapted by SADC countries to ensure sustainability of the fishing industry.
  • Quota system. Countries like South […]

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The world’s major fisheries

By |2022-09-15T12:34:41+02:00March 20th, 2017|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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Problems affecting the world’s fishing industry

By |2022-09-15T12:34:42+02:00March 20th, 2017|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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Fish processing and marketing

By |2022-09-15T12:34:42+02:00March 20th, 2017|Notes, O Level Geography, Ordinary Level Notes|

Processing fish by drying them. Image credit MediaWiki

ZIMSEC O Level Geography Notes: Natural Resources: Fishing:Fish processing and marketing

  • Most of the fish are sold fresh at the fishing ports and major urban areas in the region.
  • Use of refrigerated facilities has become increasingly important.
  • Some fresh fish are transported into […]

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Sea fishing methods

By |2022-09-15T12:34:43+02:00March 20th, 2017|Notes, O Level Geography, Ordinary Level Notes|

Hauling in fish during commercial sea fishing. Image credit pinterest.comg

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

  • The types of fishing methods employed in sea fishing are determined by the type of fish being exploited.
  • There are two main types of fish found in the oceans of Southern […]

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Problems faced by the ocean and sea fishing industry

By |2022-09-15T12:34:43+02:00March 16th, 2017|Notes, O Level Geography, Ordinary Level Notes|

Fishing using mosquito nets along the coast of Tanzania. Image credit nytimes.com

ZIMSEC O Level Geography Notes: Natural Resources: Fishing: Problems faced by sea fishing industry

  • The sea fishing industry in Southern Africa faces a number of problems which include the following.

Over-exploitation of marine resources particularly fish.

  • Fishing has increasingly become […]

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Sea fisheries found on the west coast of Southern Africa

By |2022-09-15T12:34:44+02:00March 16th, 2017|Notes, O Level Geography, Ordinary Level Notes|

Recreational fishing off the coast of Namibia. Image credit travelnewsnamibia.com

ZIMSEC O Level Geography Notes: Natural Resources: Fishing:Sea fisheries on the west coast of Southern Africa

  • Fisheries of the Benguela cold current system cover the area along the west coast of South Africa, Namibia and southern Angola.
  • The area on the […]

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Sea fisheries found on the east coast of Southern Africa

By |2022-09-15T12:34:44+02:00March 16th, 2017|Notes, O Level Geography, Ordinary Level Notes|

Fishing on the Beira Coast in Mozambique. Image credit irinnews.org

ZIMSEC O Level Geography Notes: Natural Resources: Fishing: Sea fisheries on the east coast of Southern Africa

  • The east coast of Southern Africa is washed by warm ocean currents, like the Mozambique current and the warm Agulhas current.
  • The area therefore […]

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Ocean currents and the fishing industry

By |2022-09-15T12:34:44+02:00March 16th, 2017|Notes, O Level Geography, Ordinary Level Notes|

Ocean currents of the world. Image credit Pearson

ZIMSEC O Level Geography Notes: Natural Resources: Fishing:Ocean currents and the fishing industry

  • Ocean currents are important in the fishing industry as they affect the growth of plankton which provides fish food.
  • Warm ocean currents restrict the growth of plankton hence give rise […]

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