Ontologia

HydroBASINS lev08 watershed · #4080489420

Bassin de 北上川

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 3 administrative regions : Hiraizumi, Ichinoseki, Ōshū

Pfafstetter: 41301435

Sub-basin area

38,8km²

Upstream area

6 763km²

Discharge

194,57m³/s

Mean elev.

118m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de 北上川46 km²

▲ Receives from 2 basins

3 dept-equivalent regions (GADM L2)

2 intersecting protected areas

  • Ichinosekishi ranbaisan

    IUCN IV

    Prefectural Wildlife Protection Area

    1.79 km² overlap

  • Rambaisan

    IUCN V

    Environmental Green Space Conservation Area(Iwate)

    0.14 km² overlap

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

Species present

37 distinct species · 62 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

62 obs · 1 cellules
Obs. / cellule
≥ 62
62–61
62–61
62–61
< 62

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

Ecological tissue

Sample of 10 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 北上川 : 9 espèces reliées par 7 interactions GloBI sur 3 types (connectance 12.7%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
11
Interactions affichées
7
Connectance
0.127
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°

10,3°C

Annual rain

1 286mm

Moisture idx (CMI)

0,33

Runoff

922mm/an

PET

867mm

AET

843mm

Mean slope

6,2°

Water table

237cm

Forest

2%

Crops

17%

Urban

16%

Protected

12%

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