Lankhagensee

A - excellent

11. May 2025

Habitat StructuresA

CriterionValue
Score charophyceaeA
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% of the surveyed area
Natural Shore Accretion absent on <10% of the shoreline
Lower macrophyte boundary B
(Lower Macrophyte Limit)
Shallow Water Macrophyte Limit 3.2 Meter
Middle Macrophyte Limit 6.7 Meter
Lower Macrophyte Limit 6.8 Meter

Overall RatingA - excellent

Species
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Zerbrechliche Armleuchteralge

(Chara globularis)

30%

Type: Basic lawn

Hornblättrige Armleuchteralge

(Chara tomentosa)

10%

Type: Basic lawn

Feine Armleuchteralge

(Chara virgata)

3%

Type: Basic lawn

Glanzleuchteralgen

(Nitella spec.)

12%

Type: Basic lawn

Stern-Armleuchteralge

(Nitellopsis obtusa)

15%

Type: Basic lawn

Faden-Grünalgen

(Vaucheria)

30%

Type: Basic lawn

Raues Hornblatt

(Ceratophyllum demersum)

2%

Type: Submerged vegetation

Ähriges Tausendblatt

(Myriophyllum spicatum)

1%

Type: Submerged vegetation

Spiegelndes Laichkraut

(Potamogeton lucens)

2%

Type: Submerged vegetation

Weiße Seerose

(Nymphaea alba)

3%

Type: Floating leaf lawn

Gewöhnliches Quellmoos

(Fontinalis antipyretica)

3%

Type: Floating mats

Gewöhnlicher Wasserschlauch

(Utricularia vulgaris)

3%

Type: Floating mats

Weidengebüsch

(Salicion elaeagni)

Type: Shore vegetation

Röhricht

(Phragmites australis)

Type: Shore vegetation

Erlen-Bruchwald

(Alnetea glutinosae)

Type: Shore vegetation