HydroBASINS lev08 watershed · #7080045340
Bassin de Chassahowitzka 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 2 administrative regions : Citrus, Hernando
Sub-basin area
358,9km²
Upstream area
359,1km²
Discharge
4,07m³/s
Mean elev.
24m
Administrative coverage
2 dept-equivalent regions (GADM L2)
- 295.7 km²82.5% of basin
- 61.6 km²17.2% of basin
5 intersecting protected areas
Marine Protected Area
13.54 km² overlap
Chassahowitzka
IUCN IVNational Wildlife Refuge
13.54 km² overlap
National Wildlife Refuge
3.90 km² overlap
Fickett Hammock
IUCN VPreserve
0.63 km² overlap
Weeki Wachee Springs
IUCN IIIState Park
0.26 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 745 distinct species · 110 355 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 47 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 Chassahowitzka River : 33 espèces reliées par 101 interactions GloBI sur 4 types (connectance 9.3%, filtre Serrano α=0.2). 14 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°
21,4°C
Annual rain
1 370mm
Moisture idx (CMI)
-0,11
Runoff
414mm/an
PET
1 541mm
AET
1 160mm
Mean slope
0,7°
Water table
41cm
Forest
45%
Crops
4%
Urban
12%
Protected
27%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)