Schwarzer See

B - good

21. May 2024

Habitat StructuresC

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

Species Inventory – Habitat TypicalC

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

ImpairmentsC

CriterionValue
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 >50% of the shoreline
Lower macrophyte boundary C
(Lower Macrophyte Limit)
Shallow Water Macrophyte Limit 2.0 Meter
Middle Macrophyte Limit 2.0 Meter
Lower Macrophyte Limit 2.0 Meter

Overall RatingB - good

Species
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Gewöhnliche Armleuchteralge

(Chara vulgaris)

1%

Type: Basic lawn

Schwimmendes Laichkraut

(Potamogeton natans)

4%

Type: Floating leaf lawn

Gewöhnliches Quellmoos

(Fontinalis antipyretica)

10%

Type: Floating mats

Wasserminze

(Mentha aquatica)

1%

Type: Submerged vegetation

Röhricht

(Phragmites australis)

Type: Shore vegetation

Erlen-Bruchwald

(Alnetea glutinosae)

Type: Shore vegetation