HydroBASINS lev08 watershed · #4080501570
Bassin de 迫川
A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.
Crosses 7 administrative regions : Higashinaruse, Ichinoseki, Kurihara, Tome, Wakuya +2
Sub-basin area
1 134,4km²
Upstream area
1 134,4km²
Discharge
34,2m³/s
Mean elev.
162m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
7 dept-equivalent regions (GADM L2)
- 756.7 km²66.7% of basin
- 196.6 km²17.3% of basin
- 104.4 km²9.2% of basin
- IchinosekiIwate · Japan45.5 km²4.0% of basin
- 28.7 km²2.5% of basin
- 2.8 km²0.2% of basin
- HigashinaruseAkita · Japan0.5 km²0.0% of basin
30 intersecting protected areas
Kurikoma
IUCN IVPrefectural Wildlife Protection Area
99.82 km² overlap
Kurikoma
IUCN IIQuasi National Park
86.78 km² overlap
Forest Ecosystem Reserve
31.76 km² overlap
Hanayama
IUCN IVPrefectural Wildlife Protection Area
30.53 km² overlap
Izunuma
IUCN IVNational Wildlife Protection Area
14.29 km² overlap
Kabukurinuma-Shuhensuiden
IUCN IVNational Wildlife Protection Area
12.65 km² overlap
Ippitsuyama
IUCN IVPrefectural Wildlife Protection Area
10.69 km² overlap
Iwagasaki
IUCN IVPrefectural Wildlife Protection Area
8.94 km² overlap
Kagobou-nonodakeyama
IUCN VGreen Space Environment Conservation Area(Miyagi)
8.92 km² overlap
21 more protected areassorted by overlap area
Izu-numa & Uchi-numa
IUCN Not ReportedWetland of International Importance (Ramsar Site)
5.59 km² overlap
Izunuma-uchinuma
IUCN VPrefectural Nature Conservation Area
5.46 km² overlap
Tsukidate
IUCN IVPrefectural Wildlife Protection Area
5.09 km² overlap
Ippitsu yama-Tashiro
IUCN VPrefectural Nature Conservation Area
4.81 km² overlap
Monji
IUCN IVPrefectural Wildlife Protection Area
4.80 km² overlap
Kabukuri-numa and the surrounding rice paddies
IUCN Not ReportedWetland of International Importance (Ramsar Site)
4.64 km² overlap
Kannari
IUCN IVPrefectural Wildlife Protection Area
3.34 km² overlap
Ouu Mountain Range
IUCN VGreen Corridor
3.10 km² overlap
Kagoboyama
IUCN IVPrefectural Wildlife Protection Area
1.90 km² overlap
Shintsutsumi
IUCN IVPrefectural Wildlife Protection Area
1.85 km² overlap
Shimizusawa
IUCN IVPrefectural Wildlife Protection Area
0.83 km² overlap
Byodonuma
IUCN IVPrefectural Wildlife Protection Area
0.80 km² overlap
Kurikoma
IUCN IVPrefectural Wildlife Protection Area
0.70 km² overlap
Kawauchi
IUCN IVPrefectural Wildlife Protection Area
0.63 km² overlap
Mitakeyama
IUCN VPrefectural Nature Conservation Area
0.57 km² overlap
Nonodake yama
IUCN VPrefectural Nature Conservation Area
0.36 km² overlap
Kejonuma
IUCN IVPrefectural Wildlife Protection Area
0.26 km² overlap
Hangan mori
IUCN IVPrefectural Wildlife Protection Area
0.19 km² overlap
Prefectural Wildlife Protection Area
0.07 km² overlap
Rokkaku bokujo
IUCN IVPrefectural Wildlife Protection Area
0.01 km² overlap
Izunuma Nosan Co., Ltd.:Winter-Flooded Rice Fields
IUCN Not ApplicableOECM
0.00 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 252 distinct species · 18 340 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 Bassin de 迫川 : 24 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 66 interactions GloBI sur 5 types (connectance 12.5%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
10,4°C
Annual rain
1 328mm
Moisture idx (CMI)
0,35
Runoff
954mm/an
PET
858mm
AET
838mm
Mean slope
4,9°
Water table
174cm
Forest
19%
Crops
27%
Urban
6%
Protected
18%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)