Dive

Lankhagensee

A - excellent

6. October 2025

Habitat StructuresA

Criterion	Value
Score charophyceae	A
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	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	5.1 Meter
Middle Macrophyte Limit	5.6 Meter
Lower Macrophyte Limit	6.8 Meter

Overall RatingA - excellent

Species

Zerbrechliche Armleuchteralge

(Chara globularis)

Type: Basic lawn

Hornblättrige Armleuchteralge

(Chara tomentosa)

Type: Basic lawn

Feine Armleuchteralge

(Chara virgata)

Type: Basic lawn

Gewöhnliche Armleuchteralge

(Chara vulgaris)

Type: Basic lawn

Stern-Armleuchteralge

(Nitellopsis obtusa)

50%

Type: Basic lawn

Faden-Grünalgen

(Vaucheria)

25%

Type: Basic lawn

Raues Hornblatt

(Ceratophyllum demersum)

Type: Submerged vegetation

Ähriges Tausendblatt

(Myriophyllum spicatum)

Type: Submerged vegetation

Großes Nixkraut

(Najas marina)

Type: Submerged vegetation

Gewöhnliche Teichsimse

(Schoenoplectus lacustris)

Type: Submerged vegetation

Kamm-Laichkraut

(Stuckenia pectinata)

Type: Submerged vegetation

Weiße Seerose

(Nymphaea alba)

Type: Floating leaf lawn

Gewöhnliches Quellmoos

(Fontinalis antipyretica)

Type: Floating mats

Teichpflaume

(Nostoc pruniforme)

Type: Floating mats

Gewöhnlicher Wasserschlauch

(Utricularia vulgaris)

Type: Floating mats

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