Ontologia

Ruisseau· 23 segments

Black Hawk Creek

Crosses 7 administrative regions : Black Hawk, Grundy, Meade, Pennington, Rock Island +2

ruisseau

Total length

118km

Max discharge

6,3m³/s

Max Strahler

3

Segments matched

23

River geography7 admin regions · 0 communes

Parent watershed

hybas-7080477870877 km²

7 administrative regions crossed (GADM L2)

  • Grundy
    Iowa · United States
    74.3 km
    in this dpt
  • Meade
    South Dakota · United States
    15.8 km
    in this dpt
  • Black Hawk
    Iowa · United States
    10.0 km
    in this dpt
  • Scott
    Iowa · United States
    7.7 km
    in this dpt
  • Pennington
    South Dakota · United States
    2.1 km
    in this dpt
  • Tama
    Iowa · United States
    0.0 km
    in this dpt
  • Rock Island
    Illinois · United States
    0.0 km
    in this dpt

8 intersecting protected areas

1 page = 1 named river (aggregation of 23 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

25 distinct species · 25 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 16 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

Indicateurs du tissu écologique

Tissu écologique de Black Hawk Creek : 14 espèces reliées par 21 interactions GloBI sur 3 types (connectance 17.5%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
16
Interactions affichées
21
Connectance
0.175
Patrimoniales
0
Plus dense que (national)0 %(top 100%)

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

Hydrology (HydroRIVERS v10)

Total length

118km

Max discharge

6,3m³/s

Max Strahler

3

Segments matched

23

HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.