Guiding Principles 20: Enhance and develop the provision of ecosystem goods and services Guiding Principles 20: Enhance and develop the provision of ecosystem goods and services Catchments are social-ecological systems that are complex and require an integrated approach development and management Setting environmental objectives and standards provide guidance for sustainable management To protect, maintain, and develop ecosystem goods and services appropriate management systems, strong government commitment, and well-defined institutional roles and responsibilities are required Active, engaged, and informed environmental awareness among all is a basis for sustained ecosystem services Ecosystem databases and information is a national asset that requires progressive development