HydroBASINS lev08 watershed · #7080718270
Bassin de Calf Creek
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 : Howard, Martin
Sub-basin area
292,9km²
Upstream area
5 011,4km²
Discharge
0,62m³/s
Mean elev.
783m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 3 basins
- Bassin de Buzzard Draw447 km²
- Bassin de Sulphur Springs Draw428 km²
- Bassin · #7080079180236 km²
2 dept-equivalent regions (GADM L2)
- Martin172.4 km²58.9% of basin
- Howard120.3 km²41.1% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
235 distinct species · 1 527 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 33 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).
Indicateurs du tissu écologique
Tissu écologique de Bassin de Calf Creek : 20 espèces reliées par 103 interactions GloBI sur 4 types (connectance 19.5%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
17,5°C
Annual rain
443mm
Moisture idx (CMI)
-0,71
Runoff
13mm/an
PET
1 505mm
AET
375mm
Mean slope
0,6°
Water table
148cm
Forest
1%
Crops
49%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)