Lankhagensee

A - excellent

13. August 2026

Habitat StructuresB

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

Species Inventory – Habitat TypicalA

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

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 <10% of the shoreline
Lower macrophyte boundary B
(Lower Macrophyte Limit)
Shallow Water Macrophyte Limit 3.8 Meter
Middle Macrophyte Limit 5.2 Meter
Lower Macrophyte Limit 6.0 Meter

Overall RatingA - excellent

Species
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Zerbrechliche Armleuchteralge

(Chara globularis)

3%

Type: Basic lawn

Hornblättrige Armleuchteralge

(Chara tomentosa)

3%

Type: Basic lawn

Stern-Armleuchteralge

(Nitellopsis obtusa)

40%

Type: Basic lawn

Faden-Grünalgen

(Vaucheria)

15%

Type: Basic lawn

Raues Hornblatt

(Ceratophyllum demersum)

20%

Type: Submerged vegetation

Ähriges Tausendblatt

(Myriophyllum spicatum)

8%

Type: Submerged vegetation

Großes Nixkraut

(Najas marina)

2%

Type: Submerged vegetation

Durchwachsenes Laichkraut

(Potamogeton perfoliatus)

2%

Type: Submerged vegetation

Gewöhnliche Teichsimse

(Schoenoplectus lacustris)

2%

Type: Submerged vegetation

Weiße Seerose

(Nymphaea alba)

4%

Type: Floating leaf lawn

Gewöhnliches Quellmoos

(Fontinalis antipyretica)

3%

Type: Floating mats

Teichpflaume

(Nostoc pruniforme)

5%

Type: Floating mats

Gewöhnlicher Wasserschlauch

(Utricularia vulgaris)

3%

Type: Floating mats

Feine Armleuchteralge

(Chara virgata)

4%

Type: Basic lawn

Weidengebüsch

(Salicion elaeagni)

Type: Shore vegetation

Röhricht

(Phragmites australis)

Type: Shore vegetation

Erlen-Bruchwald

(Alnetea glutinosae)

Type: Shore vegetation

Sumpfbinse

(Eleocharis spec.)

Type: Shore vegetation