HydroBASINS lev08 watershed · #7080045670
Bassin de Hosford Branch
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 : Jefferson, Wakulla
Sub-basin area
285,8km²
Upstream area
285,8km²
Discharge
0,07m³/s
Mean elev.
10m
Administrative coverage
2 dept-equivalent regions (GADM L2)
- Jefferson160.2 km²56.1% of basin
- 114.9 km²40.3% of basin
6 intersecting protected areas
St. Marks
IUCN IVNational Wildlife Refuge
140.22 km² overlap
Marine Protected Area
105.54 km² overlap
National Wildlife Refuge
49.41 km² overlap
Coastal Big Bend
IUCN VPrivate Conservation Land
32.55 km² overlap
Marine Protected Area
13.86 km² overlap
St. Marks
IUCN VMitigation Bank
5.97 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 505 distinct species · 305 380 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 32 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 Hosford Branch : 23 espèces reliées par 44 interactions GloBI sur 2 types (connectance 8.9%, filtre Serrano α=0.2). 9 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°
19,8°C
Annual rain
1 476mm
Moisture idx (CMI)
-0,02
Runoff
455mm/an
PET
1 499mm
AET
1 234mm
Mean slope
0,4°
Water table
15cm
Forest
91%
Crops
0%
Urban
0%
Protected
63%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)