Ontologia

HydroBASINS lev08 watershed · #1081611480

Bassin de Spruitsonderdrif

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 2 administrative regions : Gert Sibande, Thabo Mofutsanyane

Pfafstetter: 12799042

Sub-basin area

759km²

Upstream area

759km²

Discharge

0,8m³/s

Mean elev.

1 718m

Administrative coverage

Hydrographic chain

Drains into

Receives from 0 basins

Source / headwater (no upstream basin)

2 dept-equivalent regions (GADM L2)

1 intersecting protected areas

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

Species present

379 distinct species · 5 460 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

5 460 obs · 18 cellules
Obs. / cellule
≥ 1 573
850–1 572
269–849
240–268
< 240

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

Ecological tissue

Sample of 24 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 Spruitsonderdrif : 22 espèces reliées par 17 interactions GloBI sur 3 types (connectance 6.2%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
24
Interactions affichées
17
Connectance
0.062
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°

13,7°C

Annual rain

692mm

Moisture idx (CMI)

-0,50

Runoff

34mm/an

PET

1 383mm

AET

587mm

Mean slope

3,4°

Water table

558cm

Forest

0%

Crops

33%

Urban

1%

Protected

0%

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