Ontologia

HydroBASINS lev08 watershed · #4080040900

Bassin de 綾川

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 24 administrative regions : Aizumi, Awa, Ayagawa, Higashikagawa, Itano +19

Coastal basin 6% lakePfafstetter: 41304039

Sub-basin area

1 705,1km²

Upstream area

1 705,1km²

Discharge

7,51m³/s

Mean elev.

140m

Administrative coverage

24 dept-equivalent regions (GADM L2)

16 more

30 intersecting protected areas

21 more protected areas
  • Prefectural Wildlife Protection Area

    5.02 km² overlap

  • Oasayama

    IUCN IV

    Prefectural Wildlife Protection Area

    3.33 km² overlap

  • Mannoike

    IUCN IV

    Prefectural Wildlife Protection Area

    3.22 km² overlap

  • Kinbuchi

    IUCN IV

    Prefectural Wildlife Protection Area

    3.14 km² overlap

  • Aonoyama

    IUCN IV

    Prefectural Wildlife Protection Area

    2.84 km² overlap

  • Takanoyama

    IUCN IV

    Prefectural Wildlife Protection Area

    2.69 km² overlap

  • Zentsuji

    IUCN IV

    Prefectural Wildlife Protection Area

    2.26 km² overlap

  • Daisenzan

    IUCN IV

    Prefectural Wildlife Protection Area

    1.91 km² overlap

  • Myokensan

    IUCN IV

    Prefectural Wildlife Protection Area

    1.73 km² overlap

  • Prefectural Wildlife Protection Area

    1.48 km² overlap

  • Prefectural Wildlife Protection Area

    1.44 km² overlap

  • Iwaseo

    IUCN IV

    Prefectural Wildlife Protection Area

    1.29 km² overlap

  • Prefectural Wildlife Protection Area

    1.29 km² overlap

  • Prefectural Wildlife Protection Area

    1.18 km² overlap

  • Prefectural Wildlife Protection Area

    1.05 km² overlap

  • Prefectural Natural Park

    0.98 km² overlap

  • Otakisan

    IUCN IV

    Prefectural Wildlife Protection Area

    0.96 km² overlap

  • Fujiosan

    IUCN IV

    Prefectural Wildlife Protection Area

    0.77 km² overlap

  • Green Space Environment Conservation Area(Kagawa)

    0.68 km² overlap

  • Naibaike

    IUCN IV

    Prefectural Wildlife Protection Area

    0.60 km² overlap

  • Miroku

    IUCN IV

    Prefectural Wildlife Protection Area

    0.54 km² overlap

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

Species present

2 458 distinct species · 23 582 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

23 582 obs · 62 cellules
Obs. / cellule
≥ 3 782
871–3 781
267–870
168–266
< 168

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

Ecological tissue

Sample of 31 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 綾川 : 21 espèces reliées par 52 interactions GloBI sur 4 types (connectance 9.8%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
33
Interactions affichées
52
Connectance
0.099
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°

15,0°C

Annual rain

1 369mm

Moisture idx (CMI)

0,24

Runoff

952mm/an

PET

1 021mm

AET

995mm

Mean slope

7,9°

Water table

287cm

Forest

36%

Crops

13%

Urban

44%

Protected

15%

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