Ontologia

HydroLAKES lake · #183230

Rietvleidam

ReservoirSouth AfricaAfrica 1477 m

Surface area

1,67km²

Avg depth

7,4m

Volume

12,4km³

Shoreline

9,1km

Administrative coverage

Parent watershed

hybas-10815982201067 km² · upstream 1067 km²

1 dept-equivalent regions (GADM L2)

  • City of Tshwane
    Gauteng · South Africa
    1.67 km²
    100.0% of lake

2 intersecting protected areas

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

Species present

1 229 distinct species · 328 157 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

328 157 obs · 1 cellules
Obs. / cellule
≥ 328 157
328 157–328 156
328 157–328 156
328 157–328 156
< 328 157

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

Ecological tissue

Sample of 20 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 Rietvleidam : 18 espèces reliées par 14 interactions GloBI sur 3 types (connectance 7.4%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
20
Interactions affichées
14
Connectance
0.074
Patrimoniales
0
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

1,67km²

Avg depth

7,4m

Volume

12,400km³

Watershed

488km²

Shoreline

9,1km

Shore dev. idx

1,99

Residence time

266days

Elevation

1 477m

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