Ontologia

HydroBASINS lev08 watershed · #1080015690

Bassin · #1080015690

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: 12607006

Sub-basin area

1 740,9km²

Upstream area

1 740,9km²

Discharge

0,48m³/s

Mean elev.

269m

Administrative coverage

1 dept-equivalent regions (GADM L2)

3 intersecting protected areas

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

Species present

1 965 distinct species · 18 469 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

18 469 obs · 46 cellules
Obs. / cellule
≥ 5 039
1 129–5 038
291–1 128
174–290
< 174

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 · #1080015690 : 30 espèces reliées par 34 interactions GloBI sur 2 types (connectance 5.4%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
36
Interactions affichées
34
Connectance
0.054
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°

17,0°C

Annual rain

135mm

Moisture idx (CMI)

-0,90

Runoff

11mm/an

PET

1 395mm

AET

116mm

Mean slope

4,4°

Water table

1 103cm

Forest

0%

Crops

0%

Urban

0%

Protected

38%

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