HydroBASINS lev08 watershed · #4080044940
Bassin de 鈴川
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 12 administrative regions : Atsugi, Chigasaki, Hadano, Hiratsuka, Isehara +7
Sub-basin area
269km²
Upstream area
269km²
Discharge
0,25m³/s
Mean elev.
159m
Administrative coverage
12 dept-equivalent regions (GADM L2)
- 76.6 km²28.5% of basin
- 55.4 km²20.6% of basin
- 55.2 km²20.5% of basin
- 24.3 km²9.0% of basin
- 20.3 km²7.6% of basin
- 15.7 km²5.8% of basin
- 8.7 km²3.2% of basin
- 4.6 km²1.7% of basin
30 intersecting protected areas
Tanzawa-Oyama
IUCN VQuasi National Park
34.71 km² overlap
Tanzawa oyama
IUCN IVPrefectural Wildlife Protection Area
22.71 km² overlap
Tanzawa oyama
IUCN VPrefectural Natural Park
5.34 km² overlap
Common fishery right area
4.10 km² overlap
Komayama
IUCN IVPrefectural Wildlife Protection Area
3.60 km² overlap
Tanzawa
IUCN VGreen Corridor
2.72 km² overlap
Tahara-Minoge
IUCN VPrefectural Nature Conservation Area
1.04 km² overlap
Oisokoma yama
IUCN VPrefectural Nature Conservation Area
0.73 km² overlap
Oyama-Hinata
IUCN VPrefectural Nature Conservation Area
0.66 km² overlap
21 more protected areassorted by overlap area
Bodaimuko yama
IUCN VPrefectural Nature Conservation Area
0.59 km² overlap
Kenritsu hadanotokawa koen
IUCN IVPrefectural Wildlife Protection Area
0.40 km² overlap
Koboyama koen
IUCN IVPrefectural Wildlife Protection Area
0.30 km² overlap
Kamogawa
IUCN VPrefectural Nature Conservation Area
0.24 km² overlap
SHONAN HIRATSUKA YURUGI_SATOCHI-SATOYAMA RICH IN BIODIVERSITY
IUCN Not ApplicableOECM
0.23 km² overlap
Oiso gakuen aigorin
IUCN IVPrefectural Wildlife Protection Area
0.23 km² overlap
Shinokubo
IUCN VPrefectural Nature Conservation Area
0.13 km² overlap
Matsumotokami
IUCN VPrefectural Nature Conservation Area
0.13 km² overlap
kuzuharyokuchi(kuzuhanohiroba)
IUCN Not ApplicableOECM
0.11 km² overlap
Azumayama koen
IUCN IVPrefectural Wildlife Protection Area
0.11 km² overlap
Tateno ryokuchi
IUCN IVPrefectural Wildlife Protection Area
0.10 km² overlap
Matsumoto shita
IUCN VPrefectural Nature Conservation Area
0.08 km² overlap
Guzo-kibune
IUCN VPrefectural Nature Conservation Area
0.08 km² overlap
Hinakubo
IUCN VPrefectural Nature Conservation Area
0.07 km² overlap
Oisojoyama
IUCN IVPrefectural Wildlife Protection Area
0.06 km² overlap
Minoge
IUCN IVPrefectural Wildlife Protection Area
0.06 km² overlap
Hiratsuka koma yama
IUCN VPrefectural Nature Conservation Area
0.05 km² overlap
Itsukushima jinja
IUCN VPrefectural Nature Conservation Area
0.05 km² overlap
Prefectural Nature Conservation Area
0.04 km² overlap
Sanno yama
IUCN VPrefectural Nature Conservation Area
0.03 km² overlap
Kawawa jinja
IUCN VPrefectural Nature Conservation Area
0.02 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
3 422 distinct species · 38 637 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).
Indicateurs du tissu écologique
Tissu écologique de Bassin de 鈴川 : 24 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 69 interactions GloBI sur 5 types (connectance 8.8%, filtre Serrano α=0.2). 16 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°
14,5°C
Annual rain
1 673mm
Moisture idx (CMI)
0,39
Runoff
887mm/an
PET
1 020mm
AET
1 020mm
Mean slope
6,9°
Water table
195cm
Forest
27%
Crops
4%
Urban
70%
Protected
18%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)