Lämpliga vattenvårdsåtgärder i ett dränerat jordbrukslandskap

4.4 Kvävemur .......................................................................................................................................................... 20
4.4.1 Hur fungerar en kvävemur? ..................................................................................................................................... 20
4.4.2 Vad är lämplig placering och utformning? ........................................................................................................ 20
4.5 Reglerad dränering ........................................................................................................................................ 21
4.5.1 Vilken nytta har reglerad dränering? .................................................................................................................. 21
4.5.2 Vad är lämplig placering och utformning? ........................................................................................................ 21
5 RESULTAT- TORREBERGABÄCKEN ............................................................................ 23
5.1 Markanvändning ............................................................................................................................................. 24
5.2 Jordart................................................................................................................................................................. 27
5.3 Topografi ........................................................................................................................................................... 28
5.4 Vattenkemi ........................................................................................................................................................ 30
6 DISKUSSION ............................................................................................................ 33
6.1 Åtgärder ............................................................................................................................................................. 33
6.1.1 Våtmark och damm ...................................................................................................................................................... 33
6.1.2 Hästskovåtmark ............................................................................................................................................................ 34
6.1.3 Återmeandring ............................................................................................................................................................... 34
6.1.4 Vegetationsanläggning ............................................................................................................................................... 35
6.1.5 Kvävemur ......................................................................................................................................................................... 36
6.1.6 Reglerad dränering ...................................................................................................................................................... 36
6.2 Näringsstatus ................................................................................................................................................... 37
6.3 Segeåprojektet ................................................................................................................................................. 38
7 SLUTSATSER ....................................................................................................................... 39
REFERENSER .............................................................................................................................. 41
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