Ontologia

Rivière· 21 segments

Nashua River

Crosses 3 administrative regions : Hillsborough, Middlesex, Worcester

rivière

Total length

61km

Max discharge

29,5m³/s

Max Strahler

4

Segments matched

21

River geography3 admin regions · 0 communes

Parent watershed

hybas-70804709501438 km²

3 administrative regions crossed (GADM L2)

  • Middlesex
    Massachusetts · United States
    20.2 km
    in this dpt
  • Hillsborough
    New Hampshire · United States
    17.7 km
    in this dpt
  • Worcester
    Massachusetts · United States
    15.4 km
    in this dpt

30 intersecting protected areas

21 more protected areas

1 page = 1 named river (aggregation of 21 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

1 456 distinct species · 22 996 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 42 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 Nashua River : 30 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 103 interactions GloBI sur 4 types (connectance 11.4%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
43
Interactions affichées
103
Connectance
0.114
Patrimoniales
1
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

61km

Max discharge

29,5m³/s

Max Strahler

4

Segments matched

21

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