** KURSSIN NIMI:         Lakes in the landscape HYB543
** OPETTAJA:     Jones
** PVM:  14.2.2003
** KYSYMYKSET:
1.Discuss the origins of dissolved organic carbon in freshwaters. What role does this have in
the carbon cycle?

2.How important is atmospheric deposition as a source of chemicals in lakes?

3.What palaeolimnological information is available in lake sediments and what techniques can
be used to access that information? Briefly explain why the long-term perspective provided by
palaeolimnology is valuable.