4 Nutrient supply by rivers

4 Supply of nutrients by rivers and point sources to the coastal zone

Per Stålnacke

Norwegian Institute for Water Research (NIVA)
Brekkeveien 19
P.O.Box 173, Kjelsaas
N-0411 Oslo, Norway
www.niva.no

per.stalnacke@niva.no

• 4.1 Introduction
• 4.2 Long-term changes
• 4.3 Sources and retention
• 4.4 Controllability
• 4.5 Future perspectives
• 4.6 Conclusions
• 4.7 Appendix
• 4.8
• 4.9
• 4.10
• 4.11

4 Nutrient supply by rivers