Ontologia

HydroBASINS lev08 watershed · #4080521300

Bassin de 塚田川

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 4 administrative regions : Agano, Niigata, Seirō, Shibata

Pfafstetter: 41301322

Sub-basin area

276,7km²

Upstream area

276,9km²

Discharge

10,14m³/s

Mean elev.

89m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de 阿賀野川14 km²

▲ Receives from 0 basins

Source / headwater (no upstream basin)

4 dept-equivalent regions (GADM L2)

11 intersecting protected areas

  • Gozu renpo

    IUCN V

    Prefectural Natural Park

    50.23 km² overlap

  • Gozurenpo

    IUCN IV

    Prefectural Wildlife Protection Area

    15.86 km² overlap

  • Hoshusan

    IUCN IV

    Prefectural Wildlife Protection Area

    3.00 km² overlap

  • Hyoko

    IUCN IV

    National Wildlife Protection Area

    2.89 km² overlap

  • Fukushimagata

    IUCN IV

    National Wildlife Protection Area

    2.52 km² overlap

  • Hyo-ko

    IUCN III

    Wetland of International Importance (Ramsar Site)

    0.25 km² overlap

  • Matsuura

    IUCN IV

    Prefectural Wildlife Protection Area

    0.22 km² overlap

  • Yamazaki

    IUCN IV

    Prefectural Wildlife Protection Area

    0.13 km² overlap

  • Nakamine

    IUCN V

    Prefectural Nature Conservation Area

    0.05 km² overlap

2 more protected areas

  • Bentengata

    IUCN IV

    Prefectural Wildlife Protection Area

    0.04 km² overlap

  • Hoshu san

    IUCN V

    Prefectural Nature Conservation Area

    0.00 km² overlap

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

Species present

556 distinct species · 7 136 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

7 136 obs · 8 cellules
Obs. / cellule
≥ 3 952
3 952–3 951
251–3 951
199–250
< 199

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

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).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Bassin de 塚田川 : 17 espèces reliées par 45 interactions GloBI sur 3 types (connectance 15.0%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
25
Interactions affichées
45
Connectance
0.150
Patrimoniales
0
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°

12,7°C

Annual rain

1 889mm

Moisture idx (CMI)

0,51

Runoff

1 158mm/an

PET

923mm

AET

895mm

Mean slope

4,3°

Water table

115cm

Forest

30%

Crops

25%

Urban

33%

Protected

20%

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