Bossower See

A - excellent

21. May 2025

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

ImpairmentsC

CriterionValue
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 1.7 Meter
Middle Macrophyte Limit 3.7 Meter
Lower Macrophyte Limit 7.6 Meter

Overall RatingA - excellent

Species
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Zerbrechliche Armleuchteralge

(Chara globularis)

18%

Type: Basic lawn

Glanzleuchteralgen

(Nitella spec.)

4%

Type: Basic lawn

Faden-Grünalgen

(Vaucheria)

1%

Type: Basic lawn

Raues Hornblatt

(Ceratophyllum demersum)

22%

Type: Submerged vegetation

Kanadische Wasserpest

(Elodea canadensis)

2%

Type: Submerged vegetation

Nuttalls Wasserpest / Schmalblättrige Wasserpest

(Elodea nuttallii)

1%

Type: Submerged vegetation

Großes Nixkraut

(Najas marina)

1%

Type: Submerged vegetation

Stachelspitziges Laichkraut

(Potamogeton friesii)

20%

Type: Submerged vegetation

Spreizender Wasserhahnenfuß

(Ranunculus circinatus)

4%

Type: Submerged vegetation

Kamm-Laichkraut

(Stuckenia pectinata)

5%

Type: Submerged vegetation

Gelbe Teichrose

(Nuphar lutea)

1%

Type: Floating leaf lawn

Schwimmendes Laichkraut

(Potamogeton natans)

1%

Type: Floating leaf lawn

Gewöhnliches Quellmoos

(Fontinalis antipyretica)

1%

Type: Floating mats

Untergetauchte Wasserlinse / Dreifurchige Wasserlinse

(Lemna trisulca)

1%

Type: Floating mats

Gewöhnlicher Wasserschlauch

(Utricularia vulgaris)

7%

Type: Floating mats

Weidengebüsch

(Salicion elaeagni)

Type: Shore vegetation

Röhricht

(Phragmites australis)

Type: Shore vegetation

Erlen-Bruchwald

(Alnetea glutinosae)

Type: Shore vegetation