• 1 Introduction
  • 2 Theoretical background
  • 2.1 Regulation of one-shot nonpoint emissions
  • 2.2 Regulation of repeated nonpoint emissions
  • 3 Experimental design, procedures and hypotheses
  • 3.1 Design
  • 3.2 Practical procedures
  • 3.3 Hypotheses
  • 4 Results
  • 4.1 Analyses at the aggregate level
  • 4.2 Analyses at the individual level
  • 5 Conclusion