Ontologia

HydroBASINS lev08 watershed · #4080646570

Bassin de 祖谷川

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 7 administrative regions : Higashimiyoshi, Kami, Mima, Miyoshi, Naka +2

2% lakePfafstetter: 41304046

Sub-basin area

349,1km²

Upstream area

349,1km²

Discharge

18,44m³/s

Mean elev.

999m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de 吉野川628 km²

▲ Receives from 0 basins

Source / headwater (no upstream basin)

7 dept-equivalent regions (GADM L2)

9 intersecting protected areas

  • Tsurugisan

    IUCN V

    Quasi National Park

    104.14 km² overlap

  • Tsurugisansankei

    IUCN IV

    National Wildlife Protection Area

    32.18 km² overlap

  • Shikoku Mountains

    IUCN V

    Green Corridor

    28.80 km² overlap

  • Ryugatake

    IUCN IV

    Prefectural Wildlife Protection Area

    5.45 km² overlap

  • Tsurugisan

    IUCN IV

    Biocenosis Protected Forest

    4.36 km² overlap

  • Tsurugisan sankei

    IUCN IV

    Prefectural Wildlife Protection Area

    0.37 km² overlap

  • Okumononobe

    IUCN V

    Prefectural Natural Park

    0.08 km² overlap

  • Oboke

    IUCN IV

    Prefectural Wildlife Protection Area

    0.01 km² overlap

  • Nishikumayama

    IUCN IV

    Biocenosis Protected Forest

    0.00 km² overlap

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

Species present

965 distinct species · 2 691 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 691 obs · 11 cellules
Obs. / cellule
≥ 417
364–416
300–363
213–299
< 213

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

Ecological tissue

Sample of 20 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 祖谷川 : 18 espèces reliées par 14 interactions GloBI sur 5 types (connectance 7.4%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
20
Interactions affichées
14
Connectance
0.074
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°

10,2°C

Annual rain

2 197mm

Moisture idx (CMI)

0,62

Runoff

1 500mm/an

PET

814mm

AET

814mm

Mean slope

23,4°

Water table

688cm

Forest

100%

Crops

0%

Urban

0%

Protected

32%

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