HydroBASINS lev08 watershed · #7080772340
Bassin de Howell 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 2 administrative regions : Orange, Seminole
Sub-basin area
611,9km²
Upstream area
612km²
Discharge
7,02m³/s
Mean elev.
23m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 318.6 km²52.1% of basin
- 292.5 km²47.9% of basin
12 intersecting protected areas
Spring Hammock
IUCN VPreserve
6.09 km² overlap
Lake Jesup
IUCN VWilderness Area
1.94 km² overlap
Black Hammock
IUCN VWilderness Area
1.48 km² overlap
East 417 Property
IUCN Not AssignedCounty Managed Area
0.74 km² overlap
Black Hammock Trail Head
IUCN VTrail
0.17 km² overlap
North Winter Park Drive
IUCN VConservation Area
0.16 km² overlap
Lake Kathryn Circle
IUCN VConservation Area
0.07 km² overlap
Lake
0.05 km² overlap
Carriage Hill
IUCN VConservation Area
0.03 km² overlap
3 more protected areassorted by overlap area
Conservation Area
0.02 km² overlap
Overlook
IUCN Not AssignedPark
0.02 km² overlap
Secret Lake Park
IUCN VConservation Area
0.01 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
5 489 distinct species · 1 042 327 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 41 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 Howell Creek : 31 espèces reliées par 71 interactions GloBI sur 4 types (connectance 8.7%, 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°
21,9°C
Annual rain
1 256mm
Moisture idx (CMI)
-0,15
Runoff
367mm/an
PET
1 473mm
AET
1 063mm
Mean slope
0,5°
Water table
31cm
Forest
32%
Crops
1%
Urban
76%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)