Dive

Malkwitzer See

B - good

10. August 2025

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	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	3.0 Meter
Middle Macrophyte Limit	4.0 Meter
Lower Macrophyte Limit	4.2 Meter

Overall RatingB - good

Species

Gegensätzliche Armleuchteralge

(Chara contraria)

Type: Basic lawn

Zerbrechliche Armleuchteralge

(Chara globularis)

Type: Basic lawn

Furchenstachelige Armleuchteralge

(Chara subspinosa)

Type: Basic lawn

Hornblättrige Armleuchteralge

(Chara tomentosa)

15%

Type: Basic lawn

Glanzleuchteralgen

(Nitella spec.)

Type: Basic lawn

Raues Hornblatt

(Ceratophyllum demersum)

18%

Type: Submerged vegetation

Ähriges Tausendblatt

(Myriophyllum spicatum)

Type: Submerged vegetation

Großes Nixkraut

(Najas marina)

Type: Submerged vegetation

Stachelspitziges Laichkraut

(Potamogeton friesii)

Type: Submerged vegetation

Kamm-Laichkraut

(Stuckenia pectinata)

Type: Submerged vegetation

Weidengebüsch

(Salicion elaeagni)

Type: Shore vegetation

Röhricht

(Phragmites australis)

Type: Shore vegetation

Erlen-Bruchwald

(Alnetea glutinosae)

Type: Shore vegetation