Dive

Flacher See

B - good

22. July 2026

Habitat StructuresB

Criterion	Value
Score charophyceae	C
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

ImpairmentsC

Criterion	Value
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 >50% of the shoreline
Lower macrophyte boundary	B (Lower Macrophyte Limit)
Shallow Water Macrophyte Limit	4.1 Meter
Middle Macrophyte Limit	5.1 Meter
Lower Macrophyte Limit	6.8 Meter

Overall RatingB - good

Species

Gegensätzliche Armleuchteralge

(Chara contraria)

Type: Basic lawn

Zerbrechliche Armleuchteralge

(Chara globularis)

Type: Basic lawn

Furchenstachelige Armleuchteralge

(Chara subspinosa)

Type: Basic lawn

Hornblättrige Armleuchteralge

(Chara tomentosa)

Type: Basic lawn

Faden-Grünalgen

(Vaucheria)

Type: Basic lawn

Raues Hornblatt

(Ceratophyllum demersum)

Type: Submerged vegetation

Kanadische Wasserpest

(Elodea canadensis)

Type: Submerged vegetation

Ähriges Tausendblatt

(Myriophyllum spicatum)

Type: Submerged vegetation

Krauses Laichkraut

(Potamogeton crispus)

Type: Submerged vegetation

Spiegelndes Laichkraut

(Potamogeton lucens)

Type: Submerged vegetation

Durchwachsenes Laichkraut

(Potamogeton perfoliatus)

Type: Submerged vegetation

Spreizender Wasserhahnenfuß

(Ranunculus circinatus)

Type: Submerged vegetation

Gelbe Teichrose

(Nuphar lutea)

Type: Floating leaf lawn

Gewöhnliches Pfeilkraut

(Sagittaria sagittifolia)

Type: Floating leaf lawn

Gewöhnliches Quellmoos

(Fontinalis antipyretica)

Type: Floating mats

Weidengebüsch

(Salicion elaeagni)

Type: Shore vegetation

Röhricht

(Phragmites australis)

Type: Shore vegetation

Erlen-Bruchwald

(Alnetea glutinosae)

Type: Shore vegetation