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ÞÖRUNGATAL<br />
Helgi Hallgrímsson<br />
EFNISYFIRLIT<br />
ÁGRIP ............................................................................................................................. 5<br />
ABSTRACT ....................................................................................................................... 5<br />
FORMÁLI ......................................................................................................................... 6<br />
YFIRLIT UM ÞÖRUNGA ....................................................................................................... 8<br />
Bygging og lífeðli ....................................................................................................... 8<br />
Flokkun og skyldleiki .................................................................................................. 9<br />
Vaxtarstaðir .............................................................................................................. 9<br />
Nýting ...................................................................................................................... 10<br />
Algar/ölgur eða þörungar – nafnavandi .......................................................................... 10<br />
Söfnun og skoðun ...................................................................................................... 10<br />
Greiningarbækur ........................................................................................................ 11<br />
FYLKINGAR ÞÖRUNGA ........................................................................................................ 11<br />
Bláþörungar/blágerlar (Cyanophyta/Cyanobacteria) ......................................................... 11<br />
Rauðþörungar (Rhodophyta) ........................................................................................ 12<br />
Brúnþörungar (Phaeophyta) ......................................................................................... 13<br />
Dulþörungar (Cryptophyta) .......................................................................................... 13<br />
Skoruþörungar (Dinophyta/Pyrrophyta/Dinoflagellata) ...................................................... 13<br />
Gullþörungar (Chrysophyta/Chrysophyceae) ................................................................... 14<br />
Gulgrænþörungar (Xanthophyta/Tribophyta) .................................................................. 14<br />
Dílþörungar (Euglenophyta) ......................................................................................... 15<br />
Grænþörungar (Chlorophyta) ....................................................................................... 15<br />
Okþörungar (Conjugatophyceae) ........................................................................... 16<br />
Kransþörungar (Charophyceae) ............................................................................. 17<br />
Kísilþörungar (Bacillariophyta/Diatomea) ....................................................................... 17<br />
Depilþörungar (Eustigmatophyta) ................................................................................. 19<br />
Flasþörungar (Prasinophyta) ........................................................................................ 19<br />
Haftþörungar (Haptophyta/Prymnesiophyta) ................................................................... 19<br />
Skotþörungar (Raphidophyta) ..................................................................................... 19<br />
RANNSÓKNIR Á ÍSLENSKUM ÞÖRUNGUM ............................................................................... 20<br />
Botn-sæþörungar ....................................................................................................... 20<br />
Svif-sæþörungar ........................................................................................................ 21<br />
Vatnaþörungar á fyrri hluta 20. aldar ............................................................................. 21<br />
Landþörungar ............................................................................................................ 22<br />
Vatnaþörungar á síðari hluta 20. aldar ........................................................................... 23<br />
Jarðhitaþörungar ....................................................................................................... 24<br />
Surtseyjarrannsóknir .................................................................................................. 25<br />
Kísilþörungar ............................................................................................................. 25<br />
Rannsóknir á kísilgúr ........................................................................................... 27<br />
SKÝRINGAR VIÐ ÞÖRUNGATAL ............................................................................................ 27<br />
Skammstafanir og tákn ............................................................................................... 28<br />
BLÁÞÖRUNGAR – CYANOPHYTA ........................................................................................... 29<br />
Kerfi bláþörunga ........................................................................................................ 29<br />
Tegundatal ............................................................................................................... 29<br />
RAUÐÞÖRUNGAR – RHODOPHYTA ........................................................................................ 35<br />
DULÞÖRUNGAR – CRYPTOPHYTA .......................................................................................... 35<br />
SKORUÞÖRUNGAR – PYRROPHYTA ....................................................................................... 35<br />
GULLÞÖRUNGAR – CHRYSOPHYTA ........................................................................................ 36<br />
HAFTÞÖRUNGAR – HAPTOPHYTA .......................................................................................... 37<br />
FLASÞÖRUNGAR – PRASINOPHYTA ....................................................................................... 37<br />
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