Ontologia

Rivière· 33 segments

Roeliff Jansen Kill

Crosses 2 administrative regions : Columbia, Dutchess

rivière

Total length

91km

Max discharge

13,5m³/s

Max Strahler

4

Segments matched

33

River geography2 admin regions · 0 communes

Parent watershed

hybas-7080485930629 km²

2 administrative regions crossed (GADM L2)

  • Columbia
    New York · United States
    83.8 km
    in this dpt
  • Dutchess
    New York · United States
    13.5 km
    in this dpt

5 intersecting protected areas

1 page = 1 named river (aggregation of 33 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

320 distinct species · 18 719 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 40 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 Roeliff Jansen Kill : 29 espèces reliées par 88 interactions GloBI sur 4 types (connectance 11.3%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
40
Interactions affichées
88
Connectance
0.113
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

91km

Max discharge

13,5m³/s

Max Strahler

4

Segments matched

33

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