Wetland of International Importance (Ramsar Site) · JPN
Nakaumi
- Area
- 80 km²
- IUCN cat.
- Not Reported
- Year
- 2005
Overview
- Designation
- Wetland of International Importance (Ramsar Site)
- Established
- 2005
- Managing authority
- Ministry of the Environment
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
85 distinct species · 327 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 23 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).
Indicateurs du tissu écologique
Tissu écologique de Nakaumi : 21 espèces reliées par 32 interactions GloBI sur 3 types (connectance 11.6%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology1 basins · 1 lakes · 10 rivers
Hydrology metrics for this exact territory
Stream length here
12,5km
Lake surface here
78,89km²
Basins crossed
1
Max stream order
4
Max drainage
2 044km²
Discharge in basins
3,1m³/s
Mean precip.
1 861mm/an
Mean T°
13,3°C
Moisture idx
0,48
Max snow
14%
Mean runoff
1 102mm/an
Mean elev. (basins)
244m
Watersheds crossing here
Lakes (1, top by area)
Rivers / streams (10, ord ≥ 4)
- 田頼川ord 1len here3.05 km50%total6 km
- 市の原川ord 1len here2.80 km34%total8 km
- 剣先川ord 4len here1.26 km30%total4 km
- 本庄川ord 1len here1.20 km34%total4 km
- 八幡川ord 2len here1.15 km41%total3 km
- 吉田川ord 4len here1.02 km4%total24 km
- 南川ord 1len here0.79 km60%total1 km
- 新加茂川ord 1len here0.76 km66%total1 km
- 意東川ord 1len here0.34 km11%total3 km
- 四反田川ord 1len here0.09 km6%total1 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Location
Fond cartographique : OpenFreeMap · © OpenStreetMap contributors · Géométrie : nos sources (GADM/HydroBASINS/HydroLAKES/HydroRIVERS/WDPA)
- Centroid
- 35.47383, 133.19414
- 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.