Malkwitzer See

B - good

9. October 2023

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 B
Anthropogenic Influences on 10-25% of the surveyed area
Natural Shore Accretion absent on <10% of the shoreline
Lower macrophyte boundary C
(Lower Macrophyte Limit)
Lower Macrophyte Limit 2.5 Meter

Overall RatingB - good

Species
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Raue Armleuchteralge

(Chara aspera)

4%

Type: Basic lawn

Gegensätzliche Armleuchteralge

(Chara contraria)

4%

Type: Basic lawn

Zerbrechliche Armleuchteralge

(Chara globularis)

4%

Type: Basic lawn

Hornblättrige Armleuchteralge

(Chara tomentosa)

20%

Type: Basic lawn

Stern-Armleuchteralge

(Nitellopsis obtusa)

40%

Type: Basic lawn

Raues Hornblatt

(Ceratophyllum demersum)

4%

Type: Submerged vegetation

Ähriges Tausendblatt

(Myriophyllum spicatum)

4%

Type: Submerged vegetation

Quirliges Tausendblatt

(Myriophyllum verticillatum)

4%

Type: Submerged vegetation

Großes Nixkraut

(Najas marina)

2%

Type: Submerged vegetation

Stachelspitziges Laichkraut

(Potamogeton friesii)

4%

Type: Submerged vegetation

Kamm-Laichkraut

(Stuckenia pectinata)

4%

Type: Submerged vegetation

Gewöhnlicher Wasserschlauch

(Utricularia vulgaris)

2%

Type: Floating mats

Weidengebüsch

(Salicion elaeagni)

Type: Shore vegetation

Röhricht

(Phragmites australis)

Type: Shore vegetation

Erlen-Bruchwald

(Alnetea glutinosae)

Type: Shore vegetation