Ontologia

HydroBASINS lev08 watershed · #1081635360

Bassin de Buffelsrivier

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 : Namakwa

Pfafstetter: 12608090

Sub-basin area

1 946,5km²

Upstream area

1 946,5km²

Discharge

1,22m³/s

Mean elev.

977m

Administrative coverage

Hydrographic chain

Drains into

Receives from 0 basins

Source / headwater (no upstream basin)

1 dept-equivalent regions (GADM L2)

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

Species present

1 129 distinct species · 5 741 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

5 741 obs · 48 cellules
Obs. / cellule
≥ 1 177
331–1 176
75–330
43–74
< 43

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

Ecological tissue

Sample of 40 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 Buffelsrivier : 32 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 38 interactions GloBI sur 3 types (connectance 4.9%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
40
Interactions affichées
38
Connectance
0.049
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°

16,2°C

Annual rain

220mm

Moisture idx (CMI)

-0,85

Runoff

13mm/an

PET

1 490mm

AET

187mm

Mean slope

6,2°

Water table

934cm

Forest

0%

Crops

0%

Urban

0%

Protected

0%

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