HydroBASINS lev08 watershed · #7080590030
Bassin de Meramec 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 4 administrative regions : Crawford, Dent, Phelps, Reynolds
Sub-basin area
883,1km²
Upstream area
883,1km²
Discharge
6,92m³/s
Mean elev.
350m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
4 dept-equivalent regions (GADM L2)
- 538.9 km²61.0% of basin
- Crawford288.9 km²32.7% of basin
- 50.5 km²5.7% of basin
- 5.3 km²0.6% of basin
9 intersecting protected areas
Indian Trail
IUCN VConservation Area
52.05 km² overlap
Conservation Area
12.36 km² overlap
Indian Trail
IUCN VNatural Area
2.84 km² overlap
Crooked Creek
IUCN VConservation Area
1.34 km² overlap
Short Bend
IUCN VAccess
0.31 km² overlap
Wesco
IUCN VAccess
0.28 km² overlap
Keysville Towersite
IUCN VState Conservation Area or Park
0.22 km² overlap
Reserve Program
0.09 km² overlap
Spring's End Forest
IUCN VNatural Area
0.01 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 310 distinct species · 17 259 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 38 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 Meramec River : 29 espèces reliées par 69 interactions GloBI sur 4 types (connectance 9.8%, filtre Serrano α=0.2). 9 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°
12,8°C
Annual rain
1 058mm
Moisture idx (CMI)
-0,15
Runoff
277mm/an
PET
1 238mm
AET
892mm
Mean slope
3,1°
Water table
209cm
Forest
97%
Crops
10%
Urban
0%
Protected
8%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)