Krakower Untersee

B - good

4. August 2024

Habitat StructuresB

CriterionValue
Score charophyceaeB
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

ImpairmentsB

CriterionValue
Impairment moderately pronounced, rough hornwort, bumpy water lentil-floating mats see species table B
Anthropogenic Influences on >25% of the surveyed area
Natural Shore Accretion absent on 10-50% of the shoreline
Lower macrophyte boundary B
(Lower Macrophyte Limit)
Shallow Water Macrophyte Limit 3.8 Meter
Middle Macrophyte Limit 4.5 Meter
Lower Macrophyte Limit 6.8 Meter

Overall RatingB - good

Species
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Gegensätzliche Armleuchteralge

(Chara contraria)

4%

Type: Basic lawn

Hornblättrige Armleuchteralge

(Chara tomentosa)

4%

Type: Basic lawn

Glanzleuchteralgen

(Nitella spec.)

3%

Type: Basic lawn

Raues Hornblatt

(Ceratophyllum demersum)

12%

Type: Submerged vegetation

Nuttalls Wasserpest / Schmalblättrige Wasserpest

(Elodea nuttallii)

2%

Type: Submerged vegetation

Ähriges Tausendblatt

(Myriophyllum spicatum)

5%

Type: Submerged vegetation

Großes Nixkraut

(Najas marina)

2%

Type: Submerged vegetation

Stachelspitziges Laichkraut

(Potamogeton friesii)

1%

Type: Submerged vegetation

Durchwachsenes Laichkraut

(Potamogeton perfoliatus)

1%

Type: Submerged vegetation

Spreizender Wasserhahnenfuß

(Ranunculus circinatus)

2%

Type: Submerged vegetation

Kamm-Laichkraut

(Stuckenia pectinata)

1%

Type: Submerged vegetation

Gelbe Teichrose

(Nuphar lutea)

10%

Type: Floating leaf lawn

Gewöhnliches Quellmoos

(Fontinalis antipyretica)

2%

Type: Floating mats

Untergetauchte Wasserlinse / Dreifurchige Wasserlinse

(Lemna trisulca)

20%

Type: Floating mats

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