Flacher See

B - good

7. July 2024

Habitat StructuresB

CriterionValue
Score charophyceaeC
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 2.1 Meter
Middle Macrophyte Limit 2.8 Meter
Lower Macrophyte Limit 6.6 Meter

Overall RatingB - good

Species
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Kurzstachelige Armleuchteralge

(Chara papillosa f. intermedia )

3%

Type: Basic lawn

Gewöhnliche Armleuchteralge

(Chara vulgaris)

1%

Type: Basic lawn

Raues Hornblatt

(Ceratophyllum demersum)

2%

Type: Submerged vegetation

Kanadische Wasserpest

(Elodea canadensis)

8%

Type: Submerged vegetation

Ähriges Tausendblatt

(Myriophyllum spicatum)

3%

Type: Submerged vegetation

Großes Nixkraut

(Najas marina)

2%

Type: Submerged vegetation

Stachelspitziges Laichkraut

(Potamogeton friesii)

1%

Type: Submerged vegetation

Spiegelndes Laichkraut

(Potamogeton lucens)

4%

Type: Submerged vegetation

Spreizender Wasserhahnenfuß

(Ranunculus circinatus)

1%

Type: Submerged vegetation

Gelbe Teichrose

(Nuphar lutea)

2%

Type: Floating leaf lawn

Gewöhnliches Quellmoos

(Fontinalis antipyretica)

6%

Type: Floating mats

Weidengebüsch

(Salicion elaeagni)

Type: Shore vegetation

Röhricht

(Phragmites australis)

Type: Shore vegetation

Erlen-Bruchwald

(Alnetea glutinosae)

Type: Shore vegetation