HydroBASINS lev08 watershed · #4080043100

Bassin de 鯖石川

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 6 administrative regions : Izumozaki, Jōetsu, Kariwa, Kashiwazaki, Nagaoka +1

Coastal basinPfafstetter: 41301199

Sub-basin area

729,5km²

Upstream area

729,5km²

Discharge

1,04m³/s

Mean elev.

148m

Administrative coverage

6 dept-equivalent regions (GADM L2)

Kashiwazaki
Niigata · Japan
444.7 km²
60.9% of basin
Jōetsu
Niigata · Japan
178.1 km²
24.4% of basin
Izumozaki
Niigata · Japan
41.7 km²
5.7% of basin
Kariwa
Niigata · Japan
16.4 km²
2.2% of basin
Tōkamachi
Niigata · Japan
16.1 km²
2.2% of basin
Nagaoka
Niigata · Japan
14.1 km²
1.9% of basin

11 intersecting protected areas

Yoneyama fukurahakkei
IUCN V
Prefectural Natural Park
69.10 km² overlap
Sado-Yahiko-Yoneyama
IUCN V
Quasi National Park
25.76 km² overlap
Yoneyama
IUCN IV
Prefectural Wildlife Protection Area
25.60 km² overlap
Common fishery right area(Niigata)
IUCN VI
Common fishery right area
18.19 km² overlap
Nakakubiki kaigan
IUCN IV
Prefectural Wildlife Protection Area
11.25 km² overlap
Kashiwazaki
IUCN IV
Prefectural Wildlife Protection Area
5.13 km² overlap
Kashiwazakiko
IUCN IV
Prefectural Wildlife Protection Area
3.33 km² overlap
Hachikokusan
IUCN IV
Prefectural Wildlife Protection Area
2.29 km² overlap
Nagamine oike
IUCN IV
Prefectural Wildlife Protection Area
1.74 km² overlap

2 more protected areassorted by overlap area

Yahiko
IUCN IV
Prefectural Wildlife Protection Area
1.16 km² overlap
Oosawa
IUCN V
Green Space Environment Conservation Area(Niigata)
0.03 km² overlap

Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.

Species present

857 distinct species · 2 889 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 29 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

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Bassin de 鯖石川 : 23 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 59 interactions GloBI sur 2 types (connectance 12.7%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées

Interactions affichées

Connectance

0.127

Patrimoniales

Plus dense que (national)0 %(top 100%)

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

Hydroclimate (BasinATLAS lev08)

Mean T°

12,3°C

Annual rain

2 256mm

Moisture idx (CMI)

0,58

Runoff

1 889mm/an

PET

944mm

AET

922mm

Mean slope

9,1°

Water table

245cm

Forest

69%

Crops

Urban

12%

Protected

15%

HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)