HydroBASINS lev08 watershed · #7080516760

Bassin de Cedar 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 7 administrative regions : Henry, Jefferson, Keokuk, Lee, Mahaska +2

Pfafstetter: 74285042

Sub-basin area

1 449,9km²

Upstream area

1 449,9km²

Discharge

12m³/s

Mean elev.

229m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de Skunk River1011 km²

▲ Receives from 0 basins

Source / headwater (no upstream basin)

7 dept-equivalent regions (GADM L2)

Jefferson
Iowa · United States
596.8 km²
41.1% of basin
Wapello
Iowa · United States
383.3 km²
26.4% of basin
Van Buren
Iowa · United States
150.3 km²
10.4% of basin
Henry
Iowa · United States
126.6 km²
8.7% of basin
Mahaska
Iowa · United States
109.6 km²
7.6% of basin
Keokuk
Iowa · United States
47.5 km²
3.3% of basin
Lee
Iowa · United States
37.7 km²
2.6% of basin

16 intersecting protected areas

Turkey Run
IUCN V
Wildlife Area
1.26 km² overlap
Cedar Creek Timber &
IUCN V
Wetland
1.00 km² overlap
Wetlands Reserve Program (WRP), Jefferson, IA
IUCN V
Reserve Program
0.89 km² overlap
Witham Woods
IUCN V
State Conservation Area
0.52 km² overlap
Johnson-Noel Buckeye
IUCN V
Wildlife Area
0.47 km² overlap
DeVol Area
IUCN V
Local Conservation Area
0.32 km² overlap
Bluewing Marsh
IUCN V
Local Conservation Area
0.22 km² overlap
Zillman's Hickory Hill
IUCN V
Local Conservation Area
0.19 km² overlap
Lamson Woods
IUCN V
State Preserve
0.18 km² overlap

7 more protected areassorted by overlap area

Cardinal
IUCN V
Wildlife Area
0.17 km² overlap
Emergency Wetlands Reserve Program (EWetlands Reserve Program (WRP)), Henry, IA
IUCN V
Reserve Program
0.16 km² overlap
Sycamore
IUCN V
Natural Area
0.14 km² overlap
Gantz-Hewett Timber
IUCN V
Local Conservation Area
0.12 km² overlap
Emergency Wetlands Reserve Program (EWetlands Reserve Program (WRP)), Jefferson, IA
IUCN V
Reserve Program
0.11 km² overlap
Woodthrush Woods
IUCN V
State Preserve
0.10 km² overlap
Savage Woods Fee
IUCN V
Private Conservation Land
0.05 km² overlap

Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.

Species present

1 060 distinct species · 70 917 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 38 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).

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Bassin de Cedar Creek : 27 espèces reliées par 77 interactions GloBI sur 4 types (connectance 11.0%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées

Interactions affichées

Connectance

0.110

Patrimoniales

Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Hydroclimate (BasinATLAS lev08)

Mean T°

10,3°C

Annual rain

910mm

Moisture idx (CMI)

-0,14

Runoff

261mm/an

PET

1 055mm

AET

769mm

Mean slope

0,9°

Water table

68cm

Forest

Crops

64%

Urban

Protected

HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)