Ontologia

HydroLAKES lake · #184457

Katrivierdam

ReservoirSouth AfricaAfrica 751 m

Surface area

1,78km²

Avg depth

14m

Volume

24,9km³

Shoreline

13km

Administrative coverage

Parent watershed

hybas-10816555201747 km² · upstream 1747 km²

1 dept-equivalent regions (GADM L2)

  • Amathole
    Eastern Cape · South Africa
    1.78 km²
    100.0% of lake

Computed live · HydroLAKES × GADM × WDPA · cached after first hit.

Species present

283 distinct species · 860 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

860 obs · 1 cellules
Obs. / cellule
≥ 860
860–859
860–859
860–859
< 860

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Ecological tissue

Sample of 41 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.

ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Katrivierdam : 41 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 28 interactions GloBI sur 4 types (connectance 3.4%, filtre Serrano α=0.2).

Espèces affichées
41
Interactions affichées
28
Connectance
0.034
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Lake statistics (HydroLAKES)

Surface

1,78km²

Avg depth

14,0m

Volume

24,900km³

Watershed

267km²

Shoreline

13,0km

Shore dev. idx

2,74

Residence time

310days

Elevation

751m

HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.