HydroBASINS lev08 watershed · #7080501650
Bassin de Conneaut Outlet
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 : Crawford, Mercer
Sub-basin area
258,2km²
Upstream area
258,2km²
Discharge
4,41m³/s
Mean elev.
376m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- Crawford257.5 km²99.6% of basin
- Mercer1.1 km²0.4% of basin
5 intersecting protected areas
Reserve Program
0.75 km² overlap
FCVC Easement 62
IUCN Not AssignedEasement
0.58 km² overlap
Reserve Program
0.36 km² overlap
Agricultural Conservation Easement Program - Wetland Reserve Easements (ACEP-WRE), Crawford, PA
IUCN VConservation Easement
0.13 km² overlap
FCVC Easement 8
IUCN Not AssignedEasement
0.02 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 398 distinct species · 91 251 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 Conneaut Outlet : 25 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 61 interactions GloBI sur 3 types (connectance 11.6%, filtre Serrano α=0.2). 8 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°
8,4°C
Annual rain
1 087mm
Moisture idx (CMI)
0,10
Runoff
536mm/an
PET
977mm
AET
789mm
Mean slope
1,9°
Water table
207cm
Forest
92%
Crops
21%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)