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Difficulty: MediumPopulation Distribution, Density, and Settlement Patterns in Nigeria

The Kano Close-Settled Zone in northern Nigeria maintains one of the highest rural population densities in West Africa despite receiving lower annual rainfall than the southern forest belt. Which factor primarily accounts for the historical development and sustainability of this high population density?

  1. A
    Widespread commercial cultivation of humid-forest tree crops such as cocoa and oil palm
  2. Intensive soil fertility management utilizing livestock manure and continuous cropping systemsAnswer
  3. C
    Severe push factors in rural hinterlands forcing seasonal migrants into coastal mangrove swamp farming
  4. D
    Spontaneous linear settlement formation restricted exclusively along modern inter-state highway corridors

Answer

Intensive soil fertility management utilizing livestock manure and continuous cropping systems primarily accounts for the sustained high population density in the Kano Close-Settled Zone.
The Kano Close-Settled Zone achieved and maintained extremely high population density through historical agro-pastoral integration. Farmers used manure from cattle and small ruminants to maintain soil fertility, enabling continuous annual cultivation of grains (sorghum, millet) and groundnuts on small, inherited farm plots.

Step-by-Step Solution

1
Analyze the geographical context of the Kano Close-Settled Zone
The zone is located in Northern Nigeria within the Sudan Savanna belt, characterized by moderate rainfall and high agricultural land use.
Understanding the physical environment helps evaluate which land management and agricultural practices are feasible.
2
Identify the primary mechanism supporting high rural population density in this ecosystem
Local farmers integrated livestock keeping with crop farming (manuring), allowing continuous cultivation of farmland without requiring extensive bush fallowing.
Intensive land management allowed high carrying capacity and dense rural populations to thrive for centuries.

Key Concept

Factors influencing population density in Northern Nigeria (Kano Densely Populated Zone)
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Topics

Population Distribution, Density, and Settlement Patterns in Nigeria

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