Ontologia

Rivière· 3 segments

沢井川

Crosses 1 administrative regions : Sagamihara

rivière

Total length

8km

Max discharge

29m³/s

Max Strahler

4

Segments matched

3

River geography1 admin regions · 0 communes

Parent watershed

hybas-40800449301660 km²

1 administrative regions crossed (GADM L2)

10 intersecting protected areas

  • Jinba sagami ko

    IUCN V

    Prefectural Natural Park

  • Tsukui

    IUCN IV

    Prefectural Wildlife Protection Area

  • Nagura

    IUCN IV

    Prefectural Wildlife Protection Area

  • Nagura

    IUCN V

    Prefectural Nature Conservation Area

  • Sano gawa

    IUCN V

    Prefectural Nature Conservation Area

  • Obuchi

    IUCN V

    Prefectural Nature Conservation Area

  • Fujinokami

    IUCN V

    Prefectural Nature Conservation Area

  • Sawai

    IUCN V

    Prefectural Nature Conservation Area

  • Yoshino

    IUCN V

    Prefectural Nature Conservation Area

1 more protected areas

  • Hizure

    IUCN V

    Prefectural Nature Conservation Area

1 page = 1 named river (aggregation of 3 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

1 122 distinct species · 3 435 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 沢井川 : 33 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 35 interactions GloBI sur 4 types (connectance 5.0%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
38
Interactions affichées
35
Connectance
0.050
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

8km

Max discharge

29,0m³/s

Max Strahler

4

Segments matched

3

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