Ontologia

Quasi National Park · jpn

Sado-Yahiko-Yoneyama

V · Paysage protégé470 km²Established 1950
Key facts
Area
470 km²
IUCN cat.
V
Year
1950

Overview

Designation
Quasi National Park
IUCN category
V · Paysage protégé

Paysage façonné par l'humain digne de conservation

Established
1950
Managing authority
Niigata Prefecture

Source : WDPA (UNEP-WCMC, World Database on Protected Areas).

Species present

725 distinct species · 1 834 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 Sado-Yahiko-Yoneyama : 30 espèces reliées par 50 interactions GloBI sur 5 types (connectance 7.5%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
37
Interactions affichées
50
Connectance
0.075
Patrimoniales
0
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Hydrology4 basins · 3 lakes · 41 rivers

Hydrology metrics for this exact territory

Stream length here

48,6km

Lake surface here

5,12km²

Basins crossed

4

Max stream order

6

Max drainage

10 579km²

Discharge in basins

23,3m³/s

Mean precip.

1 926mm/an

Mean T°

11,9°C

Moisture idx

0,55

Max snow

20%

Mean runoff

1 308mm/an

Mean elev. (basins)

202m

Rivers / streams (41, ord ≥ 4)

29 more river segments

Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10

Location

Chargement de la carte…

Fond cartographique : OpenFreeMap · © OpenStreetMap contributors · Géométrie : nos sources (GADM/HydroBASINS/HydroLAKES/HydroRIVERS/WDPA)

Centroid
38.17882, 138.40879
Open in maps
OpenStreetMap → · Satellite

Species observed (Phase 2)

Listing species observed within this protected area requires the GBIF v2 partition × WDPA spatial overlay matview. Computing infrastructure pending.