Scope for Growth - en biologisk indikator for trivsel hos blåmusling ...

INDHOLDSFORTEGNELSE
1. FORORD .......................................................................................................................................3
2. INDLEDNING...............................................................................................................................3
3. TEORETISK INTRODUKTION ................................................................................................4
3.1 FYSIOLOGISKE INDEKSER.............................................................................................................4
3.2 STRESS PROTEINER......................................................................................................................5
3.3 NATURLIGE PÅVIRKNINGER.........................................................................................................5
3.4 INORGANISKE MILJØGIFTE ...........................................................................................................7
3.5 ORGANISKE MILJØGIFTE ..............................................................................................................8
4. MATERIALER OG METODER...............................................................................................10
4.1 FORSØG PÅ FÆRØERNE .............................................................................................................10
4.2 FORSØG PÅ ISLAND ...................................................................................................................12
4.3 FREMGANGSMÅDE PÅ LABORATORIET.......................................................................................13
4.3.1 Clearance rate ................................................................................................................13
4.3.2 Absorptionseffektivitet (Food Absorption Efficiencies) ..................................................14
4.3.3 Respirationshastighed (Oxygen Consumption)...............................................................15
4.3.4 Udsondringshastighed af ammomiak (Ammonia Excretion) ..........................................15
4.3.5 Korrektion for forskellig kropsvægt................................................................................15
4.4 BEREGNING AF SFG-INDEKS .....................................................................................................15
4.5 BEHANDLING AF RESULTATER...................................................................................................16
5. RESULTATER............................................................................................................................16
5.1 FORSØG PÅ FÆRØERNE .............................................................................................................17
5.1.1 Temperatur og salinitet...................................................................................................17
5.1.2 Reproduktion ..................................................................................................................17
5.2 FORSØG PÅ ISLAND ...................................................................................................................18
5.2.1 Temperatur og salinitet...................................................................................................18
5.2.2 Reproduktion ..................................................................................................................18
5.2.3 SFG-indeks og de implicerede parametre ......................................................................19
6. DISKUSSION ..............................................................................................................................23
6.1 FORSØG PÅ FÆRØERNE .............................................................................................................23
6.1.1 Gydning ..........................................................................................................................23
6.2 FORSØG PÅ ISLAND ...................................................................................................................23
6.2.1 Gydning ..........................................................................................................................23
6.2.2 SFG-indeks og de implicerede parametre ......................................................................24
6.3 FÆRØERNE - ISLAND .................................................................................................................27
6.4 HVOR LIGGER SFG-INDEKSET NIVEAUMÆSSIGT? ......................................................................27
7. KONKLUSION ...........................................................................................................................28
8. REFERENCER ...........................................................................................................................29
9. APPENDIX 1. DATA FRA NYHAVN (FÆRØERNE).......................................................36 - 39
APPENDIX 2. DATA FRA HVALFJØRÐUR (ISLAND)...................................................40 - 49
APPENDIX 3. DATA FRA KEFLAVÍK (ISLAND)...........................................................50 - 59
APPENDIX 4......................................................................................................................60 - 63
a. TANGAFJØRÐUR
b. NYLON POSE
c.UDSTYR
d.HAVNEOMRÅDET
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