Ontologia

HydroBASINS lev08 watershed · #1080015090

Bassin de Uilenkraalsrivier

A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.

Crosses 1 administrative regions : Overberg

Coastal basinPfafstetter: 12601050

Sub-basin area

957km²

Upstream area

957km²

Discharge

0,14m³/s

Mean elev.

115m

Administrative coverage

1 dept-equivalent regions (GADM L2)

27 intersecting protected areas

18 more protected areas

Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.

Species present

4 020 distinct species · 124 111 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

124 111 obs · 29 cellules
Obs. / cellule
≥ 24 975
10 309–24 974
4 748–10 308
2 320–4 747
< 2 320

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

Ecological tissue

Sample of 35 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 Bassin de Uilenkraalsrivier : 31 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 28 interactions GloBI sur 5 types (connectance 4.4%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
36
Interactions affichées
28
Connectance
0.044
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

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

Hydroclimate (BasinATLAS lev08)

Mean T°

16,1°C

Annual rain

541mm

Moisture idx (CMI)

-0,46

Runoff

130mm/an

PET

1 002mm

AET

466mm

Mean slope

4,3°

Water table

543cm

Forest

69%

Crops

28%

Urban

1%

Protected

14%

HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)