HydroBASINS lev08 watershed · #7080463680
Bassin de Knapp 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 4 administrative regions : Crawford, Grant, Richland, Vernon
Sub-basin area
746,4km²
Upstream area
28 862,4km²
Discharge
266,98m³/s
Mean elev.
290m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Mill Creek482 km²
- Bassin de Fennimore Fork482 km²
4 dept-equivalent regions (GADM L2)
- Grant347.0 km²46.4% of basin
- Crawford245.9 km²32.9% of basin
- Richland154.4 km²20.7% of basin
- Vernon0.4 km²0.1% of basin
10 intersecting protected areas
Riverway
47.31 km² overlap
Lower Wisconsin Riverway
IUCN IaWetland of International Importance (Ramsar Site)
37.44 km² overlap
Knapp Creek
IUCN VWildlife Area
6.57 km² overlap
Rem-Big Green River
IUCN Not AssignedConservation Easement
0.74 km² overlap
Rem-Knapp Creek
IUCN Not AssignedConservation Easement
0.32 km² overlap
Rem-Crooked Creek
IUCN Not AssignedConservation Easement
0.22 km² overlap
Sime Tract
IUCN Not AssignedConservation Easement
0.05 km² overlap
Reserve Program
0.02 km² overlap
Rem-Plum Run Creek
IUCN Not AssignedConservation Easement
0.01 km² overlap
1 more protected areassorted by overlap area
F G Wilson
IUCN VState Forest Nursery
0.00 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 696 distinct species · 28 153 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 48 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 Knapp Creek : 38 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 120 interactions GloBI sur 4 types (connectance 10.2%, filtre Serrano α=0.2). 11 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°
7,6°C
Annual rain
830mm
Moisture idx (CMI)
-0,13
Runoff
257mm/an
PET
951mm
AET
702mm
Mean slope
5,6°
Water table
248cm
Forest
75%
Crops
32%
Urban
0%
Protected
1%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)