Quasi National Park · jpn
Suigo-Tsukuba
- Area
- 370 km²
- IUCN cat.
- V
- Year
- 1959
Overview
- Designation
- Quasi National Park
- IUCN category
- V · Paysage protégé
Paysage façonné par l'humain digne de conservation
- Established
- 1959
- Managing authority
- Ibaraki and Chiba Prefectures
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
951 distinct species · 16 970 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 30 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 Suigo-Tsukuba : 22 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 72 interactions GloBI sur 2 types (connectance 11.4%, filtre Serrano α=0.2). 14 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology4 basins · 4 lakes · 26 rivers
Hydrology metrics for this exact territory
Stream length here
110,4km
Lake surface here
178,09km²
Basins crossed
4
Max stream order
6
Max drainage
15 913km²
Discharge in basins
40,7m³/s
Mean precip.
1 386mm/an
Mean T°
14,0°C
Moisture idx
0,29
Max snow
2%
Mean runoff
639mm/an
Mean elev. (basins)
38m
Watersheds crossing here
Lakes (4, top by area)
Rivers / streams (26, ord ≥ 4)
- 利根川ord 6len here23.24 km8%total275 km
- 花室川ord 2len here16.51 km57%total29 km
- 常陸利根川ord 4len here14.52 km78%total19 km
- 川ord 3len here12.05 km87%total14 km
- 恋瀬川ord 3len here6.27 km17%total36 km
- 小野川ord 2len here5.32 km12%total46 km
- 清明川ord 1len here5.05 km51%total10 km
- 夜越川ord 4len here4.16 km51%total8 km
- 根本川ord 6len here4.02 km59%total7 km
- 北浦ord 3len here3.71 km17%total22 km
- 前川ord 3len here2.75 km61%total5 km
- 横利根川ord 6len here1.87 km70%total3 km
14 more river segmentssorted by Strahler order + length
- 高田川ord 2len here1.67 km8%total22 km
- 梶無川ord 1len here1.26 km12%total10 km
- 忍川ord 1len here1.17 km33%total4 km
- 鰐川ord 3len here1.13 km81%total1 km
- 堀割川ord 1len here1.09 km54%total2 km
- 鎌田川ord 1len here0.93 km18%total5 km
- 小堀川ord 1len here0.91 km25%total4 km
- 園部川ord 2len here0.90 km4%total20 km
- 菱木川ord 1len here0.56 km6%total9 km
- 黒部川ord 2len here0.42 km4%total11 km
- 桁沼川ord 1len here0.41 km11%total4 km
- 一の瀬川ord 1len here0.31 km3%total10 km
- 野田奈川ord 1len here0.09 km1%total7 km
- 境川ord 3len here0.07 km1%total8 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
- 36.25272, 140.12729
- 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.