Ontologia

HydroLAKES lake · #183220

Olifantsnekdam

ReservoirSouth AfricaAfrica 1205 m

Surface area

2,29km²

Avg depth

6,2m

Volume

14,2km³

Shoreline

8,1km

Administrative coverage

Parent watershed

hybas-10815920201570 km² · upstream 1570 km²

1 dept-equivalent regions (GADM L2)

  • Bojanala
    North West · South Africa
    2.28 km²
    100.0% of lake

1 intersecting protected areas

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

Species present

278 distinct species · 572 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

572 obs · 1 cellules
Obs. / cellule
≥ 572
572–571
572–571
572–571
< 572

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 Olifantsnekdam : 34 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 40 interactions GloBI sur 4 types (connectance 4.9%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
41
Interactions affichées
40
Connectance
0.049
Patrimoniales
2
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

2,29km²

Avg depth

6,2m

Volume

14,200km³

Watershed

502km²

Shoreline

8,1km

Shore dev. idx

1,50

Residence time

635days

Elevation

1 205m

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