Ontologia

Ruisseau· 15 segments

Marengo River

Crosses 2 administrative regions : Ashland, Bayfield

ruisseau

Total length

85km

Max discharge

9,7m³/s

Max Strahler

3

Segments matched

15

River geography2 admin regions · 0 communes

Parent watershed

hybas-7080372520569 km²

2 administrative regions crossed (GADM L2)

  • Bayfield
    Wisconsin · United States
    34.3 km
    in this dpt
  • Ashland
    Wisconsin · United States
    20.2 km
    in this dpt

1 intersecting protected areas

1 page = 1 named river (aggregation of 15 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

496 distinct species · 4 231 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).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Marengo River : 32 espèces reliées par 81 interactions GloBI sur 4 types (connectance 9.0%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
43
Interactions affichées
81
Connectance
0.090
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

85km

Max discharge

9,7m³/s

Max Strahler

3

Segments matched

15

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