Ontologia

HydroLAKES lake · #16593

Mentzdam

ReservoirSouth AfricaAfrica 239 m

Surface area

19,69km²

Avg depth

9,7m

Volume

191,8km³

Shoreline

32km

Administrative coverage

Parent watershed

hybas-1081657700854 km² · upstream 17628 km²

1 dept-equivalent regions (GADM L2)

  • Cacadu
    Eastern Cape · South Africa
    19.68 km²
    100.0% of lake

1 intersecting protected areas

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

Species present

111 distinct species · 139 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

139 obs · 1 cellules
Obs. / cellule
≥ 139
139–138
139–138
139–138
< 139

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

Ecological tissue

Sample of 31 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 Mentzdam : 28 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 23 interactions GloBI sur 4 types (connectance 4.9%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
31
Interactions affichées
23
Connectance
0.050
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

19,69km²

Avg depth

9,7m

Volume

191,800km³

Watershed

16 955km²

Shoreline

32,0km

Shore dev. idx

2,03

Residence time

231days

Elevation

239m

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