Ontologia

Rivière· 7 segments

Nissitissit River

Crosses 2 administrative regions : Hillsborough, Middlesex

rivière

Total length

18km

Max discharge

26,9m³/s

Max Strahler

4

Segments matched

7

River geography2 admin regions · 0 communes

Parent watershed

hybas-70804709501438 km²

2 administrative regions crossed (GADM L2)

  • Hillsborough
    New Hampshire · United States
    10.8 km
    in this dpt
  • Middlesex
    Massachusetts · United States
    8.9 km
    in this dpt

3 intersecting protected areas

1 page = 1 named river (aggregation of 7 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

1 125 distinct species · 40 680 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

Indicateurs du tissu écologique

Tissu écologique de Nissitissit River : 27 espèces reliées par 79 interactions GloBI sur 4 types (connectance 9.2%, filtre Serrano α=0.2). 15 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
42
Interactions affichées
79
Connectance
0.092
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

18km

Max discharge

26,9m³/s

Max Strahler

4

Segments matched

7

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