Settlements (rural and urban) and service provision Revision Notes

Settlements are distributed in distinct patterns shaped by environmental and social factors. The three primary types are dispersed, linear, and nucleated.

Dispersed settlements consist of isolated dwellings spread over a wide area, common in rural agricultural regions where land is abundant and population density is low. For example, farms scattered across the English countryside illustrate this pattern.

Linear settlements develop along a transport route such as a road, river, or valley. This pattern arises where accessibility is crucial, and resources or trade routes follow a line. An example is a village stretching along a riverbank, facilitating transport and water access for residents and businesses alike, such as settlements along the Nile in Egypt historically developed this way to maximise river access for irrigation and transport purposes.

• Dispersed: isolated homes/farms, low density, rural areas.
• Linear: built along roads, rivers, or valleys, focused on accessibility.
• Nucleated: clustered around a central point, often a market or crossroads.

Settlement location depends on a combination of physical and human factors that determine suitability for habitation and economic activity.

Physical factors include: relief (topography), soil quality, and water supply. Flat or gently sloping land is easier to build on and farm, while steep or rugged terrain limits settlement. Fertile soils support agriculture, encouraging rural settlements. Reliable water sources are essential for drinking, farming, and industry.

Human factors involve accessibility and resource availability. Settlements near transport links such as roads, railways, or ports tend to grow due to easier movement of people and goods. The presence of natural resources (minerals, forests) or economic opportunities (factories, markets) also attracts population and services, influencing settlement size and function.

• Relief: flat land favours settlement; steep slopes discourage it.
• Soil: fertile soils support farming communities.
• Water supply: essential for domestic use and agriculture.
• Accessibility: proximity to transport routes encourages growth.
• Resources: availability of jobs and raw materials attracts settlements.

Settlements vary in size and the range of services they provide, forming a hierarchy from low to high order.

Low-order settlements are small villages or hamlets offering basic services such as a local shop or primary school. Middle-order settlements, like towns, provide a wider range of services including secondary schools, supermarkets, and healthcare facilities. High-order settlements, such as cities, offer specialised services like universities, hospitals, and cultural institutions, attracting people from a wide area.

The hierarchy reflects the complexity and frequency of services: low-order services are needed frequently and by many people, while high-order services are specialised and used less often. This structure helps explain why people travel varying distances for different needs.

• Low-order: basic, frequent services (e.g., convenience stores).
• Middle-order: moderate range, less frequent services (e.g., hospitals).
• High-order: specialised, infrequent services (e.g., universities).

The sphere of influence is the geographical area served by a settlement’s services. It depends on the settlement’s size and the type of services offered. For example, a small village’s sphere of influence might be just a few kilometres, while a city’s can extend regionally or nationally.

Threshold population is the minimum number of people required to support a service economically. Services with high costs or specialised functions need a larger threshold population to be viable. For instance, a cinema requires enough customers to cover operating costs, so it is usually found in larger settlements.

Understanding these concepts helps explain why some services are only found in larger settlements and why people travel to access them.

• Sphere of influence: area served by a settlement’s services.
• Threshold population: minimum population needed to sustain a service.
• Higher-order services have larger spheres and thresholds.

Analysing a specific area illustrates how settlement patterns, influences, and hierarchy interact in reality. For example, a rural region with nucleated villages clustered around a market town shows how physical factors (fertile soil, water availability) and human factors (road junctions, historical trade) shape settlement.

The market town acts as a middle-order settlement providing services like schools, shops, and healthcare to surrounding villages. Its sphere of influence extends over the rural hinterland, while villages have smaller spheres with basic services.

This case study approach helps students apply theoretical concepts to real-world examples, enhancing understanding and exam readiness.

• Use local or regional examples to link theory with practice.
• Identify settlement types and their functions.
• Analyse factors influencing settlement location and growth.
• Describe service provision and settlement hierarchy in the area.