Rahmersee

B - good

22. June 2025

Habitat StructuresB

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

Species Inventory – Habitat TypicalB

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

ImpairmentsC

CriterionValue
Impairment moderately pronounced, rough hornwort, bumpy water lentil-floating mats see species table C
Anthropogenic Influences on 10-25% of the surveyed area
Natural Shore Accretion absent on >50% of the shoreline
Lower macrophyte boundary C
(Lower Macrophyte Limit)
Lower Macrophyte Limit 2.5 Meter

Overall RatingB - good

Species
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Zerbrechliche Armleuchteralge

(Chara globularis)

3%

Type: Basic lawn

Stern-Armleuchteralge

(Nitellopsis obtusa)

8%

Type: Basic lawn

Raues Hornblatt

(Ceratophyllum demersum)

2%

Type: Submerged vegetation

Großes Nixkraut

(Najas marina)

4%

Type: Submerged vegetation

Kamm-Laichkraut

(Stuckenia pectinata)

30%

Type: Submerged vegetation

Gewöhnliches Quellmoos

(Fontinalis antipyretica)

8%

Type: Floating mats

Gewöhnlicher Wasserschlauch

(Utricularia vulgaris)

8%

Type: Floating mats

Weidengebüsch

(Salicion elaeagni)

Type: Shore vegetation

Röhricht

(Phragmites australis)

Type: Shore vegetation