HASS · Year 10 · Environmental Change and Management · Term 4

Sustainability in Action: A Case Study

Apply geographical concepts to evaluate the management of a specific environmental issue, such as the degradation of the Great Barrier Reef, assessing the strategies used by governments, communities, and individuals.

TL;DR:Dive into one of the world's greatest natural wonders and one of its most pressing environmental challenges. This topic uses the Great Barrier Reef as a real-world case study to explore sustainability in action.

• ACARA Content Descriptions
• AC: Geography (Year 10) - Application of geographical concepts and methods to the management of an environmental change

About This Topic

This topic provides a critical, contemporary case study for Year 10 HASS students to apply key geographical inquiry skills and concepts as outlined in the Australian Curriculum. By focusing on the management of the Great Barrier Reef, students will engage with the concept of sustainability in a tangible and significant national context. They will explore the complex interconnections between natural processes and human activities, examining the environmental, economic, social, and cultural significance of this unique ecosystem. The case study allows for a deep dive into geographical concepts such as place, space, environment, interconnection, scale, and change.

Students will be challenged to move beyond a simplistic understanding of the threats to the reef, analysing the multifaceted nature of issues like climate change, water quality from agricultural runoff, coastal development, and outbreaks of crown-of-thorns starfish. The core of the topic is the evaluation of management strategies. This requires students to investigate the roles and responsibilities of various stakeholders, including the Australian and Queensland governments, the Great Barrier Reef Marine Park Authority (GBRMPA), Traditional Owners, scientists, tourism operators, and the agricultural industry. Through this investigation, students will develop their ability to synthesise information from diverse sources, assess the effectiveness of actions, and propose future pathways for sustainable management.

Key Questions

1. Analyse the various human and natural threats facing the Great Barrier Reef.
2. Evaluate the management strategies implemented to protect the reef's ecosystem.
3. Justify a plan for future action that balances economic use and environmental protection.

Learning Objectives

• Analyse the complex interconnections between human activities and the health of the Great Barrier Reef ecosystem.
• Evaluate the effectiveness of various management strategies implemented by governments, communities, and individuals.
• Synthesise information from diverse geographical sources to formulate a well-reasoned argument about the future of the reef.
• Apply key geographical concepts, including sustainability, interconnection, and scale, to the case study.
• Explain the different perspectives of various stakeholders involved in the management of the reef.

Key Vocabulary

Sustainability	Meeting the needs of the present without compromising the ability of future generations to meet their own needs, encompassing environmental, social, and economic dimensions.
Ecosystem Resilience	The capacity of an ecosystem to respond to a disturbance by resisting damage and recovering quickly.
Catchment Runoff	Water from rainfall that flows over the land surface of a river catchment area, picking up sediment, nutrients, and pesticides, and carrying them out to the sea.
Biodiversity	The variety of all life forms: the different plants, animals and micro-organisms, their genes and the ecosystems of which they are a part.
Stakeholder	An individual, group, or organisation who affects, or can be affected by, an organisation's actions, objectives, and policies. For example, farmers, tourism operators, and Traditional Owners are all stakeholders in the reef.

Watch Out for These Misconceptions

Common Misconception

The Great Barrier Reef is already dead and can't be saved.

What to Teach Instead

While the reef has suffered severe damage from multiple mass bleaching events, it is not dead. It is a vast and complex ecosystem with areas of significant damage alongside areas that show remarkable resilience and potential for recovery if threats are mitigated.

Common Misconception

Climate change is the only serious threat to the reef.

What to Teach Instead

Global warming is the single greatest threat to the reef's long-term survival. However, improving water quality by reducing land-based runoff, managing crown-of-thorns starfish outbreaks, and preventing damage from anchors and shipping are critical local actions that build the reef's resilience to withstand the impacts of climate change.

Common Misconception

Protecting the reef means stopping all farming and tourism nearby.

What to Teach Instead

Sustainable management aims to balance environmental protection with economic and social needs. The goal is not to eliminate industries but to work with them to adopt more sustainable practices, such as regenerative farming techniques and responsible tourism operations, that minimise their impact on the reef ecosystem.

Active Learning Ideas

Case Study Analysis

Stakeholder Role-Play Debate

Assign students or small groups to a specific stakeholder (e.g., tourism operator, sugarcane farmer, Traditional Owner, climate scientist, government minister). Students research their stakeholder's perspective on reef management and then participate in a structured debate or 'town hall' meeting to negotiate a path forward.

90 min·Small Groups

Case Study Analysis

Reef Management Report Card

Students investigate a specific management strategy, such as the Reef 2050 Water Quality Improvement Plan or crown-of-thorns starfish culling programs. They then create a 'report card', grading the strategy on its effectiveness, cost, and equity, providing evidence to justify their assessment.

60 min·Pairs

Case Study Analysis

GIS Threat Mapping

Using online Geographic Information System (GIS) tools like the GBRMPA's Reef Explorer or Google Earth, students map different data layers. They can overlay maps of coral bleaching events, river catchment areas, and shipping lanes to analyse the spatial relationships between threats and their impacts.

45 min·Individual

Real-World Connections

• Analysing the economic importance of the reef to Australia's $6 billion tourism industry and the thousands of jobs it supports.
• Evaluating the effectiveness of government environmental policies and their impact on international relations, such as UNESCO World Heritage status.
• Understanding the role of citizen science projects, like CoralWatch, in monitoring reef health and collecting valuable data.
• Connecting personal lifestyle choices, such as reducing one's carbon footprint, to the health of distant but interconnected ecosystems.
• Recognising the importance of Indigenous land and sea management practices in contemporary conservation efforts.

Assessment Ideas

Peer Assessment

A formal research essay or multimedia presentation evaluating the overall effectiveness of the Reef 2050 Plan, requiring students to use evidence from a range of sources to support their judgement.

Peer Assessment

Students create a concept map or flowchart that visually represents the links between a specific threat (e.g., agricultural runoff), its impacts on the reef, and the management strategies designed to address it.

Quick Check

A reflective journal entry where students consider the different stakeholder perspectives and articulate where their own views align, explaining their reasoning.

Frequently Asked Questions

What exactly is coral bleaching?

Coral bleaching happens when corals are stressed by changes in conditions, such as temperature. They expel the symbiotic algae (zooxanthellae) living in their tissues, causing them to turn completely white. While the coral is not immediately dead, it is under severe stress and is more susceptible to disease and mortality if the stress continues.

Who are the Traditional Owners of the Great Barrier Reef?

The Great Barrier Reef is the traditional Sea Country for over 70 Aboriginal and Torres Strait Islander Traditional Owner groups. These groups have a continuous connection to the reef that spans more than 60,000 years, holding deep cultural, spiritual, and economic significance. Their traditional ecological knowledge is increasingly recognised as vital for the reef's management.

Is the government doing enough to protect the reef?

This is a complex and debated question. The Australian and Queensland governments have invested billions of dollars into programs like the Reef 2050 Plan. However, many scientists and environmental groups argue that these efforts are insufficient without stronger national and global action on climate change, which is the primary driver of coral bleaching.