亚开行-巴基斯坦的拉维河生态复兴总体规划：拯救和振兴拉维河及其支流的路线图（英文）-2020.12-16页_791kb

Summary of PAKISTAN'S RIVER RAVI ECO-REVITALIZATION MASTER PLAN

Core Content

The River Ravi Eco-Revitalization Master Plan is a comprehensive strategy aimed at restoring the health of the River Ravi and its tributaries (nullahs) in Pakistan. It outlines a vision for a cleaner, more sustainable river system that supports both ecological and human well-being in Punjab, which is home to 52 million people. The plan emphasizes the need for integrated, multisectoral approaches to address the environmental, social, and economic challenges facing the river.

Main Vision

The collective vision is to create a tapestry of diverse, healthy river environments that nurture human well-being, support ecosystems, and link communities with nature. This vision is applied to four distinct settings within the Ravi Basin:

1. River Ravi Upstream of Lahore
2. River Ravi in and Downstream of Lahore
3. Small Urban Nullahs
4. Large Dirty Nullahs

Key Issues

• Pollution: The River Ravi and its nullahs are among the most polluted in the world, with high levels of E. coli, chemical oxygen demand (COD), and biological oxygen demand (BOD).
• Water Quality: Dissolved oxygen levels are 400% below the minimum required for aquatic life, and water is often unfit for even basic recreational use.
• Climate Change: Affects monsoon patterns, leading to increased variability in river flow and more frequent flooding.
• Water Supply: Only ~15% of the headwater flows reach Pakistan due to the Indus Waters Treaty, and urban areas like Lahore face water shortages due to weak governance and lack of infrastructure.
• Governance Gaps: There is lack of coordination, weak enforcement, and inadequate capacity among institutions responsible for water management, pollution control, and environmental protection.

Key Recommendations

The plan includes five main components:

1. Land Demarcation and Acquisition

   • Define and protect river zones based on flood lines.
   • Prevent encroachment and ensure land is available for revitalization.

2. Wastewater Treatment

   • Implement centralized and decentralized treatment systems.
   • Link local control with basin-wide integration to improve water quality.

3. Integrated Urban Water Management (IUWM)

   • Manage freshwater, wastewater, and stormwater as interconnected components.
   • Promote stormwater runoff control, solid waste management, and community involvement.

4. Awareness Campaign

   • Launch the "Ravi Re-imagined" campaign to involve public, private, and civil society sectors.
   • Raise awareness and encourage behavior change around water use and pollution.

5. Agricultural and Industrial Policies

   • Encourage sustainable farming to reduce contamination and improve water efficiency.
   • Promote regulated industrial practices and support compliance with environmental standards.

Importance of the River Ravi

• The River Ravi is a lifeline for Punjab, supporting urban and rural communities, agriculture, and industry.
• 75% of the basin is used for agriculture, contributing to food security and economic development.
• Water scarcity and pollution threaten public health, with E. coli and other pathogens affecting millions.

Challenges

• Wastewater discharge is unregulated, leading to contamination of nullahs and the main river.
• Weak institutional capacity and lack of enforcement hinder effective environmental management.
• Climate change exacerbates water stress, increasing flooding and low-flow periods.
• Agricultural and industrial practices contribute significantly to pollution and ecosystem degradation.

Expected Outcomes

• Improved water quality and ecosystem health.
• Enhanced biodiversity and natural landscapes.
• Increased public engagement and community ownership.
• Better urban-river connectivity and ecotourism potential.
• Sustainable use of water resources for both human and ecological needs.

Conclusion

The Ravi Eco-Revitalization Master Plan is a holistic and science-based initiative that seeks to restore the river’s ecological function and improve public health. It highlights the urgent need for institutional reform, community involvement, and sustainable practices to ensure the long-term health of the River Ravi and its surrounding ecosystems.