Dive

Hofsee

A - excellent

16. August 2023

Habitat StructuresA

Criterion	Value
Score charophyceae	A
Number of different typically formed accretion structures, such as swamp forest, willow bushes, reeds, etc.	A

Species Inventory – Habitat TypicalA

Criterion	Value
All stoneworts, higher water plants with a trophic index < 2.5 – see species table	A

ImpairmentsC

Criterion	Value
Impairment moderately pronounced, rough hornwort, bumpy water lentil-floating mats see species table	C
Anthropogenic Influences	on <10% of the surveyed area
Natural Shore Accretion	absent on <10% of the shoreline
Lower macrophyte boundary	A (Lower Macrophyte Limit)
Lower Macrophyte Limit	8.1 Meter

Overall RatingA - excellent

Species

Faden-Armleuchteralge

(Chara filiformis)

40%

Type: Basic lawn

Zerbrechliche Armleuchteralge

(Chara globularis)

20%

Type: Basic lawn

Hornblättrige Armleuchteralge

(Chara tomentosa)

80%

Type: Basic lawn

Kanadische Wasserpest

(Elodea canadensis)

Type: Submerged vegetation

Dunkle Glanzleuchteralge

(Nitella opaca)

Type: Basic lawn

Stern-Armleuchteralge

(Nitellopsis obtusa)

20%

Type: Basic lawn

Faden-Grünalgen

(Vaucheria)

20%

Type: Basic lawn

Herbst-Wasserstern

(Callitriche hermaphroditica)

Type: Submerged vegetation

Raues Hornblatt

(Ceratophyllum demersum)

40%

Type: Submerged vegetation

Ähriges Tausendblatt

(Myriophyllum spicatum)

20%

Type: Submerged vegetation

Quirliges Tausendblatt

(Myriophyllum verticillatum)

20%

Type: Submerged vegetation

Großes Nixkraut

(Najas marina)

20%

Type: Submerged vegetation

Spiegelndes Laichkraut

(Potamogeton lucens)

20%

Type: Submerged vegetation

Spreizender Wasserhahnenfuß

(Ranunculus circinatus)

Type: Submerged vegetation

Kamm-Laichkraut

(Stuckenia pectinata)

40%

Type: Submerged vegetation

Gelbe Teichrose

(Nuphar lutea)

Type: Floating leaf lawn

Gewöhnliches Quellmoos

(Fontinalis antipyretica)

20%

Type: Floating mats

Weidengebüsch

(Salicion elaeagni)

Type: Shore vegetation

Röhricht

(Phragmites australis)

Type: Shore vegetation

Erlen-Bruchwald

(Alnetea glutinosae)

Type: Shore vegetation