Roofensee

B - good

7. June 2026

Habitat StructuresA

CriterionValue
Score charophyceaeA
Number of different typically formed accretion structures, such as swamp forest, willow bushes, reeds, etc. A

Species Inventory – Habitat TypicalB

CriterionValue
All stoneworts, higher water plants with a trophic index < 2.5 – see species table B

ImpairmentsB

CriterionValue
Impairment moderately pronounced, rough hornwort, bumpy water lentil-floating mats see species table B
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 1.8 Meter
Middle Macrophyte Limit 4.8 Meter
Lower Macrophyte Limit 6.6 Meter

Overall RatingB - good

Species
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Zerbrechliche Armleuchteralge

(Chara globularis)

28%

Type: Basic lawn

Hornblättrige Armleuchteralge

(Chara tomentosa)

23%

Type: Basic lawn

Stern-Armleuchteralge

(Nitellopsis obtusa)

2%

Type: Basic lawn

Raues Hornblatt

(Ceratophyllum demersum)

2%

Type: Submerged vegetation

Kanadische Wasserpest

(Elodea canadensis)

1%

Type: Submerged vegetation

Ähriges Tausendblatt

(Myriophyllum spicatum)

5%

Type: Submerged vegetation

Großes Nixkraut

(Najas marina)

1%

Type: Submerged vegetation

Stachelspitziges Laichkraut

(Potamogeton friesii)

3%

Type: Submerged vegetation

Spiegelndes Laichkraut

(Potamogeton lucens)

2%

Type: Submerged vegetation

Durchwachsenes Laichkraut

(Potamogeton perfoliatus)

5%

Type: Submerged vegetation

Kamm-Laichkraut

(Stuckenia pectinata)

4%

Type: Submerged vegetation

Weiße Seerose

(Nymphaea alba)

1%

Type: Floating leaf lawn

Gewöhnliches Quellmoos

(Fontinalis antipyretica)

1%

Type: Floating mats

Schimmerndes Laichkraut

(Potamogeton x nitens)

1%

Type: Submerged vegetation

Weidengebüsch

(Salicion elaeagni)

Type: Shore vegetation

Röhricht

(Phragmites australis)

Type: Shore vegetation

Erlen-Bruchwald

(Alnetea glutinosae)

Type: Shore vegetation