Ontologia

HydroLAKES lake · #183877

Rooidam

ReservoirSouth AfricaAfrica 800 m

Surface area

2,74km²

Avg depth

1,3m

Volume

3,7km³

Shoreline

10,1km

Administrative coverage

Parent watershed

hybas-108163167099 km² · upstream 65411 km²

1 dept-equivalent regions (GADM L2)

  • Siyanda
    Northern Cape · South Africa
    2.74 km²
    100.0% of lake

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

Species present

209 distinct species · 1 221 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 221 obs · 1 cellules
Obs. / cellule
≥ 1 221
1 221–1 220
1 221–1 220
1 221–1 220
< 1 221

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

Ecological tissue

Sample of 21 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 Rooidam : 16 espèces reliées par 23 interactions GloBI sur 2 types (connectance 11.0%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
21
Interactions affichées
23
Connectance
0.110
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

2,74km²

Avg depth

1,3m

Volume

3,700km³

Watershed

65 337km²

Shoreline

10,1km

Shore dev. idx

1,71

Residence time

11days

Elevation

800m

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