HydroBASINS lev08 watershed · #7080534510
Bassin de Mill 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 3 administrative regions : Delaware, Logan, Union
Sub-basin area
421,9km²
Upstream area
421,9km²
Discharge
4,99m³/s
Mean elev.
317m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- Union284.4 km²67.3% of basin
- Logan103.0 km²24.4% of basin
- Delaware35.0 km²8.3% of basin
4 intersecting protected areas
Reserve Program
1.24 km² overlap
Big Darby Creek
IUCN VConservation Easement
0.32 km² overlap
MacIvor
IUCN Not AssignedWildlife Sanctuary
0.22 km² overlap
Blues Creek
IUCN VPreserve
0.18 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
914 distinct species · 74 395 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 Mill Creek : 24 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 69 interactions GloBI sur 3 types (connectance 13.1%, 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°
10,0°C
Annual rain
934mm
Moisture idx (CMI)
-0,11
Runoff
371mm/an
PET
1 049mm
AET
781mm
Mean slope
0,7°
Water table
49cm
Forest
6%
Crops
78%
Urban
5%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)