Ontologia

HydroBASINS lev08 watershed · #4080560630

Bassin de 赤谷川

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 : Minakami, Nakanojō, Takayama, Yuzawa

4% lakePfafstetter: 41301698

Sub-basin area

190,1km²

Upstream area

190,3km²

Discharge

4,44m³/s

Mean elev.

926m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de 四釜川52 km²

▲ Receives from 0 basins

Source / headwater (no upstream basin)

4 dept-equivalent regions (GADM L2)

11 intersecting protected areas

  • Minakami

    IUCN Not Applicable

    UNESCO-MAB Biosphere Reserve

    117.40 km² overlap

  • Joshinetsukogen

    IUCN II

    National Park

    84.68 km² overlap

  • Sennokurayama

    IUCN IV

    Prefectural Wildlife Protection Area

    25.32 km² overlap

  • Mikuni Line

    IUCN V

    Green Corridor

    20.21 km² overlap

  • Hoshi

    IUCN IV

    Prefectural Wildlife Protection Area

    17.91 km² overlap

  • Akayako

    IUCN IV

    Prefectural Wildlife Protection Area

    4.28 km² overlap

  • Mantaroyama

    IUCN IV

    Prefectural Wildlife Protection Area

    0.46 km² overlap

  • Omineyama

    IUCN IV

    Prefectural Wildlife Protection Area

    0.38 km² overlap

  • Hoshi Kurobe

    IUCN IV

    Rare Population Protected Forest

    0.17 km² overlap

2 more protected areas

  • Tanikawadake

    IUCN IV

    Prefectural Wildlife Protection Area

    0.12 km² overlap

  • Omine numa

    IUCN V

    Prefectural Nature Conservation Area

    0.01 km² overlap

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

Species present

1 511 distinct species · 5 475 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

5 475 obs · 8 cellules
Obs. / cellule
≥ 1 318
1 318–1 317
687–1 317
658–686
< 658

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

Ecological tissue

Sample of 9 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 赤谷川 : 9 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 6 interactions GloBI sur 3 types (connectance 16.7%, filtre Serrano α=0.2).

Espèces affichées
9
Interactions affichées
6
Connectance
0.167
Patrimoniales
1
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°

8,7°C

Annual rain

1 647mm

Moisture idx (CMI)

0,46

Runoff

808mm/an

PET

885mm

AET

877mm

Mean slope

17,6°

Water table

581cm

Forest

71%

Crops

22%

Urban

2%

Protected

47%

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