HydroBASINS lev08 watershed · #7080046400
Bassin de Elevenmile 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 1 administrative regions : Escambia
Sub-basin area
537,2km²
Upstream area
537,2km²
Discharge
0,05m³/s
Mean elev.
21m
Administrative coverage
1 dept-equivalent regions (GADM L2)
- Escambia483.1 km²90.0% of basin
12 intersecting protected areas
Tarkiln Bayou
IUCN VPreserve State Park
18.09 km² overlap
Marine Protected Area
17.66 km² overlap
Tarkiln Bayou State Preserve
IUCN IVMarine Protected Area
15.27 km² overlap
Marine Protected Area
10.74 km² overlap
Gulf Islands
IUCN VINational Seashore
3.30 km² overlap
Big Lagoon State Park
IUCN IVMarine Protected Area
2.97 km² overlap
Private Conservation Land
1.26 km² overlap
Perdido Key State Park
IUCN IVMarine Protected Area
1.23 km² overlap
Perdido Bay/Crown Pointe
IUCN VPreserve
0.69 km² overlap
3 more protected areassorted by overlap area
Escambia Bay Bluffs
IUCN Not AssignedCity Managed Area
0.18 km² overlap
Garcon Bayou
IUCN VNature Park
0.06 km² overlap
Rabbit Island
IUCN VPreserve
0.05 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
3 970 distinct species · 322 126 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 43 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 Elevenmile Creek : 30 espèces reliées par 89 interactions GloBI sur 3 types (connectance 9.9%, filtre Serrano α=0.2). 13 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 516mm
Moisture idx (CMI)
0,14
Runoff
713mm/an
PET
1 311mm
AET
1 168mm
Mean slope
0,8°
Water table
57cm
Forest
46%
Crops
4%
Urban
52%
Protected
4%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)