Dive

Roofensee

B - good

7. June 2026

Habitat StructuresB

Criterion	Value
Score charophyceae	B
Number of different typically formed accretion structures, such as swamp forest, willow bushes, reeds, etc.	A

Species Inventory – Habitat TypicalA

Criterion	Value
All stoneworts, higher water plants with a trophic index < 2.5 – see species table	A

ImpairmentsB

Criterion	Value
Impairment moderately pronounced, rough hornwort, bumpy water lentil-floating mats see species table	A
Anthropogenic Influences	on >25% of the surveyed area
Natural Shore Accretion	absent on 10-50% of the shoreline
Lower macrophyte boundary	B (Lower Macrophyte Limit)
Shallow Water Macrophyte Limit	1.0 Meter
Lower Macrophyte Limit	4.5 Meter

Overall RatingB - good

Species

Gegensätzliche Armleuchteralge

(Chara contraria)

Type: Basic lawn

Faden-Armleuchteralge

(Chara filiformis)

Type: Basic lawn

Zerbrechliche Armleuchteralge

(Chara globularis)

10%

Type: Basic lawn

Furchenstachelige Armleuchteralge

(Chara subspinosa)

Type: Basic lawn

Hornblättrige Armleuchteralge

(Chara tomentosa)

12%

Type: Basic lawn

Raues Hornblatt

(Ceratophyllum demersum)

Type: Submerged vegetation

Kanadische Wasserpest

(Elodea canadensis)

Type: Submerged vegetation

Ähriges Tausendblatt

(Myriophyllum spicatum)

Type: Submerged vegetation

Großes Nixkraut

(Najas marina)

Type: Submerged vegetation

Spiegelndes Laichkraut

(Potamogeton lucens)

Type: Submerged vegetation

Durchwachsenes Laichkraut

(Potamogeton perfoliatus)

Type: Submerged vegetation

Gestrecktes Laichkraut

(Potamogeton praelongus)

Type: Submerged vegetation

Haarblättriges Laichkraut

(Potamogeton trichoides)

Type: Submerged vegetation

Kamm-Laichkraut

(Stuckenia pectinata)

Type: Submerged vegetation

Gelbe Teichrose

(Nuphar lutea)

Type: Floating leaf lawn

Weidengebüsch

(Salicion elaeagni)

Type: Shore vegetation

Röhricht

(Phragmites australis)

Type: Shore vegetation

Erlen-Bruchwald

(Alnetea glutinosae)

Type: Shore vegetation