HydroBASINS lev08 watershed · #7080405420
Bassin de Crystal 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 3 administrative regions : Lake Michigan, Leelanau
Sub-basin area
850,4km²
Upstream area
850,5km²
Discharge
7,25m³/s
Mean elev.
184m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- Lake Michigan667.7 km²78.3% of basin
- 162.4 km²19.0% of basin
- Lake Michigan22.3 km²2.6% of basin
8 intersecting protected areas
Marine Protected Area
301.54 km² overlap
Marine Protected Area
122.71 km² overlap
Sleeping Bear Dunes
IUCN VNational Lakeshore
100.97 km² overlap
Sleeping Bear Dunes
IUCN IbWilderness Area
51.88 km² overlap
Hatlem Creek
IUCN VPreserve
0.16 km² overlap
NAP Natural Land
0.13 km² overlap
90-06-0308
IUCN Not AssignedConservation Easement
0.04 km² overlap
Palmer Woods
IUCN VForest Reserve
0.01 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 164 distinct species · 153 758 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 35 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 Crystal River : 25 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 63 interactions GloBI sur 4 types (connectance 10.6%, 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°
6,8°C
Annual rain
818mm
Moisture idx (CMI)
-0,01
Runoff
282mm/an
PET
831mm
AET
624mm
Mean slope
0,7°
Water table
60cm
Forest
14%
Crops
12%
Urban
0%
Protected
14%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)