Hofsee

B - good

31. August 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 B
Anthropogenic Influences on 10-25% of the surveyed area
Natural Shore Accretion absent on >50% of the shoreline
Lower macrophyte boundary A
(Lower Macrophyte Limit)
Shallow Water Macrophyte Limit 4.5 Meter
Middle Macrophyte Limit 6.0 Meter
Lower Macrophyte Limit 10.9 Meter

Overall RatingB - good

Species
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Gegensätzliche Armleuchteralge

(Chara contraria)

5%

Type: Basic lawn

Zerbrechliche Armleuchteralge

(Chara globularis)

2%

Type: Basic lawn

Furchenstachelige Armleuchteralge

(Chara subspinosa)

4%

Type: Basic lawn

Hornblättrige Armleuchteralge

(Chara tomentosa)

4%

Type: Basic lawn

Stern-Armleuchteralge

(Nitellopsis obtusa)

26%

Type: Basic lawn

Faden-Grünalgen

(Vaucheria)

1%

Type: Basic lawn

Raues Hornblatt

(Ceratophyllum demersum)

10%

Type: Submerged vegetation

Kanadische Wasserpest

(Elodea canadensis)

4%

Type: Submerged vegetation

Nuttalls Wasserpest / Schmalblättrige Wasserpest

(Elodea nuttallii)

2%

Type: Submerged vegetation

Ähriges Tausendblatt

(Myriophyllum spicatum)

3%

Type: Submerged vegetation

Großes Nixkraut

(Najas marina)

1%

Type: Submerged vegetation

Krauses Laichkraut

(Potamogeton crispus)

1%

Type: Submerged vegetation

Spiegelndes Laichkraut

(Potamogeton lucens)

1%

Type: Submerged vegetation

Durchwachsenes Laichkraut

(Potamogeton perfoliatus)

2%

Type: Submerged vegetation

Gewöhnliches Zwerg-Laichkraut

(Potamogeton pusillus)

1%

Type: Submerged vegetation

Spreizender Wasserhahnenfuß

(Ranunculus circinatus)

1%

Type: Submerged vegetation

Kamm-Laichkraut

(Stuckenia pectinata)

3%

Type: Submerged vegetation

Gewöhnliches Quellmoos

(Fontinalis antipyretica)

1%

Type: Floating mats

Untergetauchte Wasserlinse / Dreifurchige Wasserlinse

(Lemna trisulca)

1%

Type: Floating mats

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