HydroBASINS lev08 watershed · #7080490070
Bassin de Boyer 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 1 administrative regions : Crawford
Sub-basin area
121,2km²
Upstream area
999,5km²
Discharge
5,82m³/s
Mean elev.
408m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Boyer River763 km²
- Bassin de Otter Creek115 km²
1 dept-equivalent regions (GADM L2)
- CrawfordIowa · United States121.4 km²100.0% of basin
2 intersecting protected areas
Goodrich Timber
IUCN VPrivate Conservation
0.16 km² overlap
Reisz Timber
IUCN VPrivate Conservation
0.13 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
102 distinct species · 166 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 31 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 Boyer River : 21 espèces reliées par 91 interactions GloBI sur 3 types (connectance 19.6%, 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°
8,5°C
Annual rain
775mm
Moisture idx (CMI)
-0,22
Runoff
186mm/an
PET
1 000mm
AET
659mm
Mean slope
2,5°
Water table
186cm
Forest
0%
Crops
89%
Urban
2%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)