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B696 - Institutionen för geovetenskaper - Göteborgs universitet

B696 - Institutionen för geovetenskaper - Göteborgs universitet

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Innehåll<br />

Sammanfattning .......................................................................................................................... i<br />

Abstract ...................................................................................................................................... ii<br />

Förord ........................................................................................................................................ iii<br />

1. Inledning ............................................................................................................................. 1<br />

1.1 Introduktion ...................................................................................................................... 1<br />

1.2 Syfte och frågeställningar ................................................................................................. 2<br />

2. Bidragande faktorer............................................................................................................. 3<br />

2.1 Torv .................................................................................................................................. 3<br />

2.2 C/N-kvot ........................................................................................................................... 3<br />

2.3 Minerogent material ......................................................................................................... 3<br />

2.4 Växthusgaser i torvmark ................................................................................................... 4<br />

2.5 Dikeseffekter .................................................................................................................... 4<br />

2.6 Granskogens markpåverkan ............................................................................................. 5<br />

3. Områdesbeskrivning Skogaryd ........................................................................................... 6<br />

3.1 Studieområde .................................................................................................................... 6<br />

3.2 Markanvändning ............................................................................................................... 8<br />

3.3 Historisk markanvändning ................................................................................................ 9<br />

4. Metoder ............................................................................................................................. 11<br />

4.1 Transekter och provtagningspunkter .............................................................................. 11<br />

4.2 Fältmetoder ..................................................................................................................... 11<br />

4.3 Laboratorieanalys ........................................................................................................... 12<br />

5. Resultat ............................................................................................................................. 15<br />

5.1 Fältobservationer ............................................................................................................ 15<br />

5.2 C/N-kvot ......................................................................................................................... 15<br />

5.3 Minerogent material ....................................................................................................... 16<br />

5.4 Djupprover ...................................................................................................................... 18<br />

5.5 Underliggande sediment ................................................................................................. 19<br />

6. Diskussion ......................................................................................................................... 20<br />

Slutsatser .................................................................................................................................. 24<br />

Referenser ................................................................................................................................. 25<br />

iv

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