Ontologia

HydroBASINS lev08 watershed · #1081597250

Bassin de Crocodile River

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 3 administrative regions : Bojanala, City of Tshwane, West Rand

24% lakePfafstetter: 12499097

Sub-basin area

341,7km²

Upstream area

2 900,6km²

Discharge

2,63m³/s

Mean elev.

1 308m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de Krokodilrivier372 km²

▲ Receives from 2 basins

3 dept-equivalent regions (GADM L2)

3 intersecting protected areas

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

Species present

2 037 distinct species · 72 559 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

72 559 obs · 8 cellules
Obs. / cellule
≥ 22 635
22 635–22 634
12 365–22 634
10 194–12 364
< 10 194

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

Ecological tissue

Sample of 13 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 Crocodile River : 13 espèces reliées par 9 interactions GloBI sur 3 types (connectance 11.5%, filtre Serrano α=0.2).

Espèces affichées
13
Interactions affichées
9
Connectance
0.115
Patrimoniales
0
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°

17,7°C

Annual rain

677mm

Moisture idx (CMI)

-0,56

Runoff

21mm/an

PET

1 551mm

AET

573mm

Mean slope

5,4°

Water table

748cm

Forest

8%

Crops

22%

Urban

11%

Protected

10%

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