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NotesESS HLTopic 3.2Conflict in Key Biodiversity Areas
Back to ESS HL Topics
3.2.107 min read

Conflict in Key Biodiversity Areas (ESS HL)

IB Environmental Systems and Societies • Unit 3

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Contents

  • Conflict in Key Biodiversity Areas at Higher Level
  • Three pulls on one place
  • Why palm oil spread
  • The consequences for biodiversity
  • Balancing the three
  • Exam-style question
Conflict in Key Biodiversity Areas at Higher Level: An HL-only statement. The richest places for wildlife are often rich in timber, oil and fertile land too. Who decides between cutting, protecting and using them wisely, and what happens to the species caught in between?

Practise this as you read

  • Explain the conflict between exploitation, sustainable development and conservation in a KBA.
  • Explain the reasons for the spread of palm oil in Malaysia and Indonesia and its consequences for biodiversity.
  • Evaluate ways of balancing the three.

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Three pulls on one place: In Key Biodiversity Areas there is conflict between exploitation, sustainable development and conservation.

The points to remember

  • Exploitation: using a KBA's resources for profit now: logging, mining, oil, plantations.
  • Conservation: protecting its species and habitats, for example in a national park.
  • Sustainable development: meeting people's needs today without harming the future, such as ecotourism.
  • KBAs are rich in resources (timber, minerals, fertile land) and often lie in poorer countries, so the three clash.
  • The costs of conservation often fall on local people, while the benefits are shared by the world.

Land use

  • Farming expands into KBAs
  • Towns, roads and other infrastructure
  • Tourism that damages sensitive habitats
  • Competing claims: conservation or development

Resource extraction

  • Mining and oil drilling
  • Logging of tropical forests
  • Overfishing in marine KBAs
  • Water diverted from rivers and wetlands

People and money

  • Poverty drives unsustainable use
  • Population growth raises demand for land
  • Few other ways to earn a living
  • Local people bear the costs; others gain

Real example: Virunga National Park in DR Congo, Africa's oldest national park (1925), is a KBA for mountain gorillas. From 2010 a British company, SOCO, searched for oil inside it (exploitation). After a worldwide campaign it stopped in 2014. The park now builds small hydroelectric plants and runs gorilla tourism, giving local people power and jobs (sustainable development).

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The best-known conflict: oil palm plantations spreading across Malaysia and Indonesia, on the islands of Borneo and Sumatra, where many KBAs lie. Why has it spread so fast?

Why palm oil spread

  • High yield: oil palm gives about 5 to 10 times more oil per hectare than soy, rapeseed or sunflower.
  • Huge demand: cheap, and used in about half of packaged supermarket products and in biofuel.
  • Ideal climate: oil palm needs the warm, wet climate found near the equator all year.
  • Export income: Indonesia and Malaysia produce about 85% of the world's palm oil.
  • Jobs: millions work on plantations and smallholder farms; it lifts many rural families out of poverty.
  • Government support: land and permits for plantations, and targets to blend palm oil into diesel.
Bar chart of vegetable oil produced by one hectare in a year: oil palm 3.8 tonnes, rapeseed 0.7, sunflower 0.7, soybean 0.4.
One hectare of oil palm gives far more oil than any other oil crop.

Real example: in Indonesia the area of oil palm grew from about 1 million hectares in 1990 to about 15 million in 2020, an area larger than Greece.

Line chart of the area planted with oil palm, in million hectares: Indonesia 1.1 in 1990, 4.2 in 2000, 8.4 in 2010, 14.9 in 2020; Malaysia 2.0, 3.4, 4.9 and 5.9.
Oil palm area in Indonesia and Malaysia, 1990 to 2020.

Where the plantations spread, much of the rainforest disappeared. What did that mean for biodiversity?

The consequences for biodiversity

  • Deforestation: rainforest, one of the richest habitats, becomes a monoculture of one crop.
  • Species loss: plantations hold far fewer species; most forest mammals and birds cannot live there.
  • Endangered species lose habitat: orangutans, Sumatran tigers and rhinos, all critically endangered.
  • Fragmentation: forest is left in small islands, so animals cannot move, feed or find mates.
  • Peat fires: draining and burning peat swamps releases CO₂ and smoke haze, and kills wildlife.
  • Pollution and conflict: fertiliser and pesticide run into rivers; orangutans raiding crops are killed.
Remember it as: Forest to monoculture: fewer species, fragments, fires.

Real example: Borneo lost nearly 150,000 orangutans between 1999 and 2015, as forest was logged, cleared and burned and animals were killed. In 2015, fires on drained peat burned about 2.6 million hectares of Indonesia, and the haze reached Singapore and Malaysia.

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Can development go on without destroying KBAs? Several approaches try to balance the three pulls.

Ways to balance them

  • Certification: the RSPO label (since 2004) shows palm oil grown without clearing valuable forest.
  • Laws (HL.a): Indonesia stopped new permits in primary forest and peatland in 2011, permanently in 2019.
  • Buyers (HL.b): firms pledge no deforestation; an EU law of 2023 bars imports from land cleared after 2020.
  • Higher yields on existing farms, so smallholders earn more without clearing new forest.
  • Corridors: replanted riverbanks link forest fragments, so animals can move between them.
  • Land rights (HL.c): indigenous communities that have used forest sustainably keep it.

Who gains from plantations

  • Companies and governments: export income
  • Consumers worldwide: cheap oil
  • Smallholders: a steady income

Who pays

  • Forest wildlife: lost habitat
  • Indigenous communities: lost land
  • Everyone: carbon released, smoke haze

Real example: in Sabah, Malaysia, the Lower Kinabatangan Wildlife Sanctuary is a thin strip of forest along a river, surrounded by oil palm. Orangutans, proboscis monkeys and elephants crowd into it. Conservation groups and some plantation companies are replanting riverbanks to link the fragments.

The conflict is not solved: Only about a fifth of the world's palm oil is certified, laws are hard to enforce in remote forest, and a plantation still earns more today than standing forest.
How this comes up: No paper has set this statement yet. Likely shapes: Paper 2 Section B (b) [7], explain the reasons for and consequences of a named conflict, such as palm oil; and a (c) [9] on whether exploitation, sustainable development and conservation can be balanced.
IB-style questionExplain[7 marks]

Oil palm plantations now cover more than 20 million hectares of Malaysia and Indonesia.

Explain the reasons for the spread of palm oil plantations in Malaysia and Indonesia and the consequences for biodiversity.

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Other conflicts you can use: Soy and cattle in the Cerrado of Brazil, mining in the Cerrado, logging in the Congo Basin, and oil in Virunga. Name the place and say who wants to exploit, conserve or develop sustainably.

IB Exam Questions on Conflict in Key Biodiversity Areas

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How Conflict in Key Biodiversity Areas Appears in IB Exams

Examiners use specific command terms when asking about this topic. Here's what to expect:

Define

Give the precise meaning of key terms related to Conflict in Key Biodiversity Areas.

AO1
Describe

Give a detailed account of processes or features in Conflict in Key Biodiversity Areas.

AO2
Explain

Give reasons WHY — cause and effect within Conflict in Key Biodiversity Areas.

AO3
Evaluate

Weigh strengths AND limitations of approaches in Conflict in Key Biodiversity Areas.

AO3
Discuss

Present arguments FOR and AGAINST with a balanced conclusion.

AO3

See the full IB Command Terms guide →

Related ESS HL Topics

Continue learning with these related topics from the same unit:

3.1.1Biodiversity and its three levels
3.1.2Diversity and resilience
3.1.3Biodiversity arises from evolution
3.1.4Natural selection drives evolution
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