Hofsee

A - excellent

16. June 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

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 10-50% of the shoreline
Lower macrophyte boundary A
(Lower Macrophyte Limit)
Shallow Water Macrophyte Limit 3.8 Meter
Middle Macrophyte Limit 6.6 Meter
Lower Macrophyte Limit 15.0 Meter

Overall RatingA - excellent

Species
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Gegensätzliche Armleuchteralge

(Chara contraria)

4%

Type: Basic lawn

Faden-Armleuchteralge

(Chara filiformis)

3%

Type: Basic lawn

Zerbrechliche Armleuchteralge

(Chara globularis)

3%

Type: Basic lawn

Hornblättrige Armleuchteralge

(Chara tomentosa)

25%

Type: Basic lawn

Faden-Grünalgen

(Vaucheria)

6%

Type: Basic lawn

Raues Hornblatt

(Ceratophyllum demersum)

8%

Type: Submerged vegetation

Kanadische Wasserpest

(Elodea canadensis)

8%

Type: Submerged vegetation

Wasserminze

(Mentha aquatica)

1%

Type: Submerged vegetation

Ähriges Tausendblatt

(Myriophyllum spicatum)

3%

Type: Submerged vegetation

Quirliges Tausendblatt

(Myriophyllum verticillatum)

1%

Type: Submerged vegetation

Großes Nixkraut

(Najas marina)

1%

Type: Submerged vegetation

Krauses Laichkraut

(Potamogeton crispus)

1%

Type: Submerged vegetation

Stachelspitziges Laichkraut

(Potamogeton friesii)

2%

Type: Submerged vegetation

Spiegelndes Laichkraut

(Potamogeton lucens)

1%

Type: Submerged vegetation

Durchwachsenes Laichkraut

(Potamogeton perfoliatus)

3%

Type: Submerged vegetation

Spreizender Wasserhahnenfuß

(Ranunculus circinatus)

5%

Type: Submerged vegetation

Kamm-Laichkraut

(Stuckenia pectinata)

4%

Type: Submerged vegetation

Gelbe Teichrose

(Nuphar lutea)

1%

Type: Floating leaf lawn

Gewöhnliches Quellmoos

(Fontinalis antipyretica)

2%

Type: Floating mats

Untergetauchte Wasserlinse / Dreifurchige Wasserlinse

(Lemna trisulca)

1%

Type: Floating mats

Gewöhnlicher Wasserschlauch

(Utricularia vulgaris)

1%

Type: Floating mats

Weidengebüsch

(Salicion elaeagni)

Type: Shore vegetation

Röhricht

(Phragmites australis)

Type: Shore vegetation

Erlen-Bruchwald

(Alnetea glutinosae)

Type: Shore vegetation