Dive

Großer Rederank

A - excellent

5. October 2026

Habitat StructuresB

Criterion	Value
Score charophyceae	B
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	A
Anthropogenic Influences	on <10% of the surveyed area
Natural Shore Accretion	absent on <10% of the shoreline
Lower macrophyte boundary	C (Lower Macrophyte Limit)
Shallow Water Macrophyte Limit	1.9 Meter
Middle Macrophyte Limit	2.3 Meter
Lower Macrophyte Limit	2.3 Meter

Overall RatingA - excellent

Species

Gegensätzliche Armleuchteralge

(Chara contraria)

Type: Basic lawn

Zerbrechliche Armleuchteralge

(Chara globularis)

Type: Basic lawn

Hornblättrige Armleuchteralge

(Chara tomentosa)

Type: Basic lawn

Stern-Armleuchteralge

(Nitellopsis obtusa)

Type: Basic lawn

Raues Hornblatt

(Ceratophyllum demersum)

Type: Submerged vegetation

Ähriges Tausendblatt

(Myriophyllum spicatum)

Type: Submerged vegetation

Krauses Laichkraut

(Potamogeton crispus)

Type: Submerged vegetation

Gewöhnliche Teichsimse

(Schoenoplectus lacustris)

Type: Submerged vegetation

Krebsschere (untergetaucht)

(Stratiotes aloides submers)

50%

Type: Submerged vegetation

Gelbe Teichrose

(Nuphar lutea)

25%

Type: Floating leaf lawn

Weiße Seerose

(Nymphaea alba)

12%

Type: Floating leaf lawn

Schwimmendes Laichkraut

(Potamogeton natans)

Type: Floating leaf lawn

Gewöhnlicher Wasserschlauch

(Utricularia vulgaris)

10%

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