HydroBASINS lev08 watershed · #7080619920
Bassin de Dudley Main Ditch
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 : Butler, Stoddard
Sub-basin area
455,9km²
Upstream area
456km²
Discharge
8,71m³/s
Mean elev.
115m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 456.1 km²100.0% of basin
- Butler0.0 km²0.0% of basin
8 intersecting protected areas
Otter Slough
IUCN VConservation Area
15.84 km² overlap
Reserve Program
2.25 km² overlap
Oak Ridge
IUCN VConservation Area
1.01 km² overlap
Bradyville
IUCN VNatural Area
0.57 km² overlap
Holly Ridge
IUCN VConservation Area
0.26 km² overlap
Otter Slough
IUCN VNatural Area
0.13 km² overlap
Crowley's Ridge
IUCN VConservation Area
0.08 km² overlap
Conservation Easement
0.07 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 315 distinct species · 142 536 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 30 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 Dudley Main Ditch : 20 espèces reliées par 69 interactions GloBI sur 3 types (connectance 15.9%, filtre Serrano α=0.2). 10 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°
14,3°C
Annual rain
1 218mm
Moisture idx (CMI)
-0,02
Runoff
603mm/an
PET
1 241mm
AET
921mm
Mean slope
0,7°
Water table
55cm
Forest
14%
Crops
63%
Urban
1%
Protected
4%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)