Ontologia

Rivière· 2 segments

Grant Brook

Crosses 2 administrative regions : Grafton, Orange

rivière

Total length

84km

Max discharge

168,6m³/s

Max Strahler

5

Segments matched

2

River geography2 admin regions · 0 communes

Parent watershed

hybas-7080449320922 km²

2 administrative regions crossed (GADM L2)

  • Grafton
    New Hampshire · United States
    12.3 km
    in this dpt
  • Orange
    Vermont · United States
    1.1 km
    in this dpt

4 intersecting protected areas

1 page = 1 named river (aggregation of 2 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

642 distinct species · 29 620 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 37 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 Grant Brook : 23 espèces reliées par 93 interactions GloBI sur 4 types (connectance 13.2%, filtre Serrano α=0.2). 15 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
38
Interactions affichées
93
Connectance
0.132
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

84km

Max discharge

168,6m³/s

Max Strahler

5

Segments matched

2

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