Ohridsee, Nordmazedonien

B - good

9. July 2024

Habitat StructuresA

CriterionValue
Score charophyceaeA
Number of different typically formed accretion structures, such as swamp forest, willow bushes, reeds, etc. B

Species Inventory – Habitat TypicalB

CriterionValue
All stoneworts, higher water plants with a trophic index < 2.5 – see species table B

ImpairmentsC

CriterionValue
Impairment moderately pronounced, rough hornwort, bumpy water lentil-floating mats see species table A
Anthropogenic Influences on >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 4.0 Meter
Middle Macrophyte Limit 8.0 Meter
Lower Macrophyte Limit 10.7 Meter

Overall RatingB - good

Species
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Chara globata

(Chara globata)

45%

Type: Basic lawn

Chara ohridana

(Chara ohridana)

20%

Type: Basic lawn

Hornblättrige Armleuchteralge

(Chara tomentosa)

45%

Type: Basic lawn

Kanadische Wasserpest

(Elodea canadensis)

1%

Type: Submerged vegetation

Ähriges Tausendblatt

(Myriophyllum spicatum)

5%

Type: Submerged vegetation

Großes Nixkraut

(Najas marina)

5%

Type: Submerged vegetation

Durchwachsenes Laichkraut

(Potamogeton perfoliatus)

2%

Type: Submerged vegetation

Spreizender Wasserhahnenfuß

(Ranunculus circinatus)

1%

Type: Submerged vegetation

Weidengebüsch

(Salicion elaeagni)

Type: Shore vegetation

Erlen-Bruchwald

(Alnetea glutinosae)

Type: Shore vegetation