Steeden

B - good

22. July 2024

Habitat StructuresB

CriterionValue
Score charophyceaeB
Number of different typically formed accretion structures, such as swamp forest, willow bushes, reeds, etc. C

Species Inventory – Habitat TypicalB

CriterionValue
All stoneworts, higher water plants with a trophic index < 2.5 – see species table B

ImpairmentsC

CriterionValue
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 >50% of the shoreline
Lower macrophyte boundary A
(Lower Macrophyte Limit)
Shallow Water Macrophyte Limit 0.0 Meter
Middle Macrophyte Limit 9.0 Meter
Lower Macrophyte Limit 15.0 Meter

Overall RatingB - good

Species
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Zerbrechliche Armleuchteralge

(Chara globularis)

10%

Type: Basic lawn

Gewöhnliche Armleuchteralge

(Chara vulgaris)

1%

Type: Basic lawn

Dunkle Glanzleuchteralge

(Nitella opaca)

20%

Type: Basic lawn

Kleine Baumglanzleuchteralge

(Tolypella glomerata)

1%

Type: Basic lawn

Ähriges Tausendblatt

(Myriophyllum spicatum)

5%

Type: Submerged vegetation

Krauses Laichkraut

(Potamogeton crispus)

2%

Type: Submerged vegetation

Spiegelndes Laichkraut

(Potamogeton lucens)

10%

Type: Submerged vegetation

Kamm-Laichkraut

(Stuckenia pectinata)

2%

Type: Submerged vegetation

Gewöhnliches Quellmoos

(Fontinalis antipyretica)

5%

Type: Floating mats