Pearson Edexcel Pakistan Studies Paper 2: Land, People and Economy Comprehensive Study Guide

Pakistan's Location and Strategic Importance

• Global and Regional Position: Pakistan is located in the western part of South Asia. Its geographical coordinates and boundaries are defined by its neighbors:

  • East/Southeast/Northeast: India.
  • North/Northeast: China.
  • Northwest/West: Afghanistan.
  • West/Southwest: Iran.
  • Non-conjoining neighboring countries: Included in regional context are Nepal, Tajikistan, Kyrgyzstan, Turkmenistan, Uzbekistan, Sri Lanka, Bangladesh, Maldives, and Burma (Myanmar).

• Strategic and Economic Significance:

  • Connection to China: Pakistan is connected to China via the Karakorum Highway, facilitating trade with one of the world's leading economies. The China-Pakistan Economic Corridor (CPEC) further enhances international trade.
  • Maritime Access: Karachi offers a natural harbor and a vital warm-water port, serving as a significant refueling stop.
  • Aviation Links: Jinnah International Airport connects Pakistan globally.
  • Central Asian Relations: The location provides a gateway to Central Asian States (CAS) such as Uzbekistan, Azerbaijan, Kyrgyzstan, and Tajikistan through Afghanistan.
  • Energy Pipelines: The geography supports natural gas pipeline projects involving states like Iran and India.

• Importance of the Coastline: The coast is divided into the Makran Coast and Karachi Coast. It facilitates global politics, trade, and the fishing industry. It is also the site for mangrove ecosystems and provides job opportunities through developments like Gawadar (CPEC).

Biomes of Pakistan: Distribution and Characteristics

• Alpine-Tundra Biome:

  • Location: Northernmost parts including Gilgit-Baltistan, upper Khyber Pakhtunkhwa (KP), and ranges like the Himalayas, Karakoram, and Hindu Kush ($>3,500 \text{--} 4,000\,m$ altitude).
  • Climate: Extremely cold, long snowy winters, short cool summers with strong winds.
  • Vegetation: Limited to mosses, lichens, short grasses, and small shrubs.
  • Fauna: Snow leopard, markhor, ibex, and yak (adapted with thick fur).

• Temperate and Coniferous Forest Biome:

  • Location: Swat, Dir, Chitral, Kaghan Valley, Gilgit-Baltistan, Azad Kashmir, and Ziarat (altitude $1,000 \text{--} 3,500\,m$).
  • Vegetation: Coniferous trees (pine, deodar, fir, spruce) at high altitudes; deciduous trees (oak, walnut, maple) at lower levels.
  • Fauna: Brown bear, musk deer, and various birds.

• Indus Plain and River Biome:

  • Location: From Himalayan foothills to the Indus Delta, covering Punjab, Sindh, and parts of KP.
  • Climate: Hot summers, mild winters, monsoon rainfall with seasonal flooding.
  • Soil and Use: Deep, fertile alluvial soil; the primary agricultural region (wheat, rice, cotton, sugarcane).
  • Fauna: Indus river dolphin, otters, and various fish.

• Desert Biome:

  • Locations: Thar, Cholistan, Thal, and Kharan.
  • Climate: Rainfall below $250\,mm$, extreme heat, high evaporation, and large daily temperature ranges.
  • Vegetation: Sparse, thorny bushes, cacti, and plants with deep roots.
  • Fauna: Camels, desert foxes, reptiles, and rodents (nocturnal behavior).

• Mangrove and Coastal Biome:

  • Location: Southern coast, Indus Delta, Karachi, and Makran Coast.
  • Climate: Hot, humid, salty conditions influenced by tides and monsoons.
  • Vegetation: Mangrove trees (Avicennia marina) with aerial roots and salt-filtering leaves.
  • Fauna: Fish, prawns, crabs, dolphins, and turtles.

Topography and Drainage of the Northern Mountains

• Topographical and Relief Features: Relief refers to how the land is physically presented. Features include:

  • Parallel mountain ranges with high altitudes.
  • Bare rocks and permanent snowfields/glaciers.
  • Steep slopes and scree (loose rock debris).
  • V-shaped valleys.

• Drainage Features:

  • Gorges: Vertical hard rocks left behind when a river erodes less resistant rock.
  • Waterfalls: Sudden drops of a river from resistant rock.
  • Rapids, Streams, and Springs: Formed by melting snow.

Tectonic Processes and the Himalayan Landscape

• Plate Boundaries: Pakistan lies at a Collision Plate Boundary between the Indian Plate (moving north) and the Eurasian Plate (stationary).
• Formation of Fold Mountains: Sedimentary and metamorphic rocks were compressed and pushed upward as the plates collided. Both plates have similar densities, so neither was subducted; instead, the crust thickened and folded to form the Himalayas, Karakoram, and Hindu Kush.
• Historical Context: Around $225\,million$ years ago, India was an island separated from Asia by the Tethys Ocean. Collision began $50 \text{--} 40\,million$ years ago.
• Current Status: The Himalayas rise by approximately $1\,cm/year$, balanced by weathering and erosion rates.

Glacial Processes: Accumulation and Ablation

• Definitions:

  • Glacier: A compact mass of ice moving slowly via gravity.
  • Snowline: The imaginary line on high mountains dividing permanent snow cover.

• Accumulation (Gaining mass):

  • Snowfall: Primary source; compression transforms snow into firn (granular ice) and then dense glacial ice.
  • Avalanches and Wind-drift: Add material from surrounding slopes.
  • Refreezing: Meltwater refreezing as "superimposed ice."

• Ablation (Losing mass):

  • Melting: Occurs when temperatures exceed $0\,^{\circ}\text{C}$. Solar radiation turns ice into meltwater feeding the Indus.
  • Sublimation: Conversion of ice directly into water vapor in cold, dry, windy conditions.
  • Calving: Large blocks breaking off into glacial lakes/rivers at the snout.

• Erosional Landforms:

  • Plucking: Meltwater enters cracks, freezes/expands, sticks to rock, and the moving glacier pulls the rock away, creating jagged surfaces.
  • Abrasion: Rocks embedded in the ice act like sandpaper, grinding bedrock to create polished surfaces and striations.
  • Transportation: Movement of debris (supraglacial, englacial, or subglacial).

The Physical Geography of the Indus Plain and Plateaus

• Upper Indus (Punjab) Plain: Drained by the Indus, Jhelum, Chenab, Ravi, and Sutlej. Flat land with fertile alluvium and well-developed doabs.
• Lower Indus (Sindh) Plain: Drained mainly by the Indus. Drier climate, reliance on irrigation, prone to salinity and waterlogging.
• Doabs: Fertile land between two rivers. Formed over thousands of years as rivers deposit silt and clay (alluvium) during flooding and meandering (e.g., Chaj, Rachna, and Bari Doabs).
• Piedmont Plains (Alluvial Fans): Triangular deposits formed when fast mountain rivers suddenly slow down upon entering flat plains, dropping heavy sediment like rocks and gravel at the foot of ranges like the Sulaiman and Kirthar.
• Indus Delta: A $41,440\,km^2$ area where the Indus splits into distributaries near the Arabian Sea. Features finger-like sandy areas and mangroves.
• Potwar Plateau and Salt Range: Rugged "badland" topography with steep slopes, ravines, and gullies. Rich in minerals like rock salt (Khewra), gypsum, limestone, and coal.

Climatic Zones and Seasonal Variations

• Climate Zones:

  • Humid Subtropical: Northeast Punjab/Azad Kashmir; hot summers, monsoon rain ($July \text{--} September$).
  • Desert/Semi-arid: Sindh and Balochistan; rainfall $<250\,mm$, unreliable monsoons.
  • Temperate: Northern highlands; cool summers, snowfall in winter.
  • Mediterranean: Parts of Balochistan (Quetta/Ziarat); wet winters and dry summers.

• Factors Influencing Temperature:

  • Altitude: Temperature decreases with elevation.
  • Latitude: Areas near the tropics (Southern Pakistan) are hotter than the North.
  • Maritime vs. Continental effect: Coastal areas (Karachi) have moderate temperatures; inland areas (Multan) have extremes.

• Sources of Rainfall:

  • Southwest Monsoon: July–September. Low pressure over the Indus Plain attracts moisture from the Bay of Bengal.
  • Western Depressions: December–March. High pressure over the Mediterranean drives winds to Pakistan, bringing light showers.
  • Convectional Currents: April–June and October–November. Rising moist air cools and condenses into thunderstorms.
  • Tropical Cyclones: Occur in coastal Sindh/Balochistan.

Natural Hazards: Earthquakes, Cyclones, and Floods

• Earthquakes: Focus on the 2005 Kashmir Earthquake.

  • Primary Impacts: Building collapse, destruction of infrastructure (roads/bridges/power), loss of life, ground rupture.
  • Secondary Impacts: Homelessness, water-borne diseases (cholera), landslides creating temporary lakes, economic decline, and trauma.
  • Responses: National (ERRA established, Army helicopters used, Relief Fund), International ($US\$5.8 \text{--} 6.2\,billion$ pledged, UN Cluster approach, US and Indian aid), Local (NGOs like Edhi and SRSP providing medicine/shelter).

• Tropical Cyclones: Form over oceans with temperatures above $26\,^{\circ}\text{C}$.

  • Mechanism: Warm air rises (low pressure), Coriolis force causes rotation, calm eye forms in center.
  • Storm Surge: Onshore winds push sea volumes inland; low pressure causes the ocean to bulge. Case study: Cyclone Biparjoy (2023).

• Flooding:

  • Natural Causes: Prolonged/heavy rainfall, snowmelt, impermeable rocks, and steep relief.
  • Human Causes: Deforestation, urbanisation (concrete surfaces), and poor drainage.
  • Effects: Positive (replenishes silt, recharges groundwater); Negative (loss of life, crop destruction, disease).

Natural Resource Exploitation

• Water: Concentrated in the Indus Basin. Exploitation leads to waterlogging/salinity (affecting $50\%$ of agricultural land) and reduced downstream flow causing coastal erosion.

• Forests: Only $1.9\%$ of Pakistan is forested. Exploitation for timber/fuelwood causes loss of biodiversity (snow leopard/markhor), soil erosion, and increased flooding risk.

• Renewable Energy (Solar):

  • Pros: $96 \text{--} 98\%$ fewer emissions than coal; uses $86 \text{--} 89\%$ less water.
  • Cons: Toxic materials (cadmium/selenium) in panels, lack of recycling, land clearing.

• Non-Renewable Energy (Coal):

  • Thar Coal: Low-quality lignite with high volatiles.
  • Impacts: Air pollution ($CO_2$, $SO_2$, $NO_x$), water contamination from open-cast mining pits, and land degradation.

The Human Environment: Agriculture and Food Security

• Factors Influencing Distribution: Flat relief for machinery, fertile alluvial soils, and the Indus irrigation system.
• Green Revolution (Started 1960s):
  • Mechanization: Use of tractors, harvesters, and tube wells.
  • Plant Breeding (HYV Seeds): Developed varieties like MaxiPak (wheat), IRRIPAK (rice), and Nayab 78 (cotton). These are disease-resistant and grow faster, allowing multiple cropping.
  • Chemicals: NPK (Nitrogen, Phosphorus, Potassium) fertilizers and pesticides (targets leaf curl virus in cotton).
  • Drawbacks: Environmental pollution (eutrophication), high costs, and land sterility if fallowing is neglected.
• Intermediate/Appropriate Technology: Using simple, low-cost tools like animal-drawn ploughs or solar tube wells to support small-scale farmers.
• Food Security Strategies: Improving irrigation (drip/sprinkler), poverty reduction to improve access, and sustainable practices like crop rotation.

Industrial and Service Sectors

• Secondary Sector Categories:

  • Large-Scale: High capital, skilled labor, automated (e.g., steel, sugar, textiles).
  • Small-Scale: Up to $10$ workers, manual labor (e.g., surgical instruments, sports goods).
  • Cottage: Family-owned, home-based, low investment (e.g., pottery, handicrafts).

• Location Factors: Proximity to bulky raw materials (cement near limestone), water supply, reliable power, and transport links (ports/roads).

• Service Sectors:

  • Formal: Registered, tax-paying, provide job security (e.g., banks, hospitals).
  • Informal: Unregistered, no taxes, no job security (e.g., street vendors, rickshaws). Significant due to poverty and migration.
  • Quaternary: Knowledge-based; IT, R&D, and scientific planning. Concentrated in cities with skilled labor (Karachi, Islamabad).

Globalisation and TNCs

• Case Study: Nestle Pakistan:
  • Global Structure: HQ in Switzerland; Regional management for South Asia.
  • Global Networks: Local milk collection, manufacturing of products like Milkpak and Nido, and global technology sharing.
• Case Study: Unilever Pakistan: HQ in London/Rotterdam. Focuses on consumer goods (soap, tea).
• Impact of TNCs: Provides employment and tax revenue but can exploit cheap labor and outcompete local firms.

Transport Systems and Infrastructure

• Railways: Efficient for bulky freight but hindered by obsolete technology ($>25\,years$ old locomotives) and lack of investment.
• Roads: Offer door-to-door service. Motorways (fenced, tolled, high speed) vs. Highways (unfenced, no toll).
• Seaports:
  • Karachi Port: Oldest; modernized with liquid cargo terminals.
  • Port Qasim: First integrated port/industrial estate; handles Steel Mills cargo.
  • Gwadar Port: Built with Chinese help ($US\$248\,million$); underused.
• Dry Ports: Inland facilities in cities like Sialkot and Lahore to handle customs and reduce Karachi's congestion.

Economic Stability and Development Challenges

• Trade Balance:

  • BOT vs. BOP: BOT includes only goods; BOP includes goods and services.
  • Negative BOP Causes: Oil imports, low-quality exports, and rupee depreciation.
  • Remittances: Crucial foreign exchange source; accounted for $7.9\%$ of GDP.

• Regional Disparities: Unequal investment between Punjab/Sindh and Balochistan/Northern areas leads to rural-urban migration pressure.

• Loss of Young Skilled Workers: "Brain drain" of doctors and engineers to the US/UK; Pakistan has only $9.7$ doctors per $10,000$ people.

• Gender Inequality: Pakistan is ranked 2nd lowest in the world for gender equality. Impacts include high fertility rates ($3.8$ children per woman) and reduced labor force productivity.

Population Characteristics and Trends

• Human Development Index (HDI) Factors:

  • Life expectancy at birth.
  • Expected years of schooling.
  • Gross National Income (GNI) per capita.

• Overpopulation Causes: Economic (children as labor/son preference), Social (early marriage/religious beliefs), and Political (improved health reducing death rates).

• Rural Challenges: Population structure imbalanced by male migration; subsistence agriculture on tiny plots ($1 \text{--} 3\,hectares$); lack of education for girls.

• Urban Megacities: Karachi ("City of Lights"), Lahore (educational capital), Faisalabad (textile hub). Challenges include housing shortages (approx. $8\,million$ units needed), traffic, and informal settlements (kachi abadi).

Climate Change Impacts and Mitigation

• Causes: Burning fossil fuels, methane from livestock/rice paddies, and waste landfills.
• Future Impacts: Increased glacial ablation (initial flooding followed by long-term water scarcity), intensified cyclones, and sea-level rise affecting the Indus Delta.
• Mitigation Strategies:
  • Billion Tree Tsunami: Forestation to act as a carbon sink.
  • Renewable Shift: Quaid-e-Azam Solar Park.
  • Resilient Recovery: The 4RF framework for long-term reconstruction.