Ontologia

Rivière· 35 segments

Little Nemaha River

Crosses 5 administrative regions : Johnson, Lancaster, Nemaha, Otoe, Richardson

rivière

Total length

121km

Max discharge

13,7m³/s

Max Strahler

4

Segments matched

35

River geography5 admin regions · 0 communes

Parent watershed

hybas-70805327102305 km²

5 administrative regions crossed (GADM L2)

  • Otoe
    Nebraska · United States
    74.1 km
    in this dpt
  • Nemaha
    Nebraska · United States
    59.2 km
    in this dpt
  • Lancaster
    Nebraska · United States
    9.1 km
    in this dpt
  • Johnson
    Nebraska · United States
    6.9 km
    in this dpt
  • Richardson
    Nebraska · United States
    0.0 km
    in this dpt

3 intersecting protected areas

1 page = 1 named river (aggregation of 35 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

34 distinct species · 44 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 18 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 Little Nemaha River : 15 espèces reliées par 20 interactions GloBI sur 3 types (connectance 13.1%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
18
Interactions affichées
20
Connectance
0.131
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

121km

Max discharge

13,7m³/s

Max Strahler

4

Segments matched

35

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