HydroBASINS lev08 watershed · #4080041430
Bassin de 吉野川
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 38 administrative regions : Aridagawa, Asuka, Chihayaakasaka, Gojō, Gose +33
Sub-basin area
1 723,6km²
Upstream area
1 723,8km²
Discharge
67,46m³/s
Mean elev.
455m
Administrative coverage
38 dept-equivalent regions (GADM L2)
- KawakamiNara · Japan260.5 km²15.1% of basin
- 213.0 km²12.4% of basin
- 182.2 km²10.6% of basin
- HigashiyoshinoNara · Japan135.1 km²7.8% of basin
- 129.7 km²7.5% of basin
- 123.8 km²7.2% of basin
- KatsuragiWakayama · Japan107.3 km²6.2% of basin
- 97.3 km²5.6% of basin
30 moreFull L2 list
- Kōya94.6 km² · 5.5%
- Wakayama84.8 km² · 4.9%
- Shimoichi63.3 km² · 3.7%
- Kudoyama46.6 km² · 2.7%
- Kurotaki43.8 km² · 2.5%
- Iwade34.7 km² · 2.0%
- Ōyodo30.2 km² · 1.8%
- Kainan18.9 km² · 1.1%
- Tenkawa13.1 km² · 0.8%
- Kawachinagano8.5 km² · 0.5%
- Uda8.3 km² · 0.5%
- Misaki5.9 km² · 0.3%
- Ōdai5.0 km² · 0.3%
- Gose3.3 km² · 0.2%
- Matsusaka2.6 km² · 0.1%
- Aridagawa2.2 km² · 0.1%
- Takatori1.9 km² · 0.1%
- Izumi1.6 km² · 0.1%
- Kaizuka1.5 km² · 0.1%
- Chihayaakasaka1.0 km² · 0.1%
- Sennan0.7 km² · 0.0%
- Kamikitayama0.6 km² · 0.0%
- Kishiwada0.4 km² · 0.0%
- Sakurai0.3 km² · 0.0%
- Asuka0.3 km² · 0.0%
- Izumisano0.2 km² · 0.0%
- Mitsue0.1 km² · 0.0%
- Hannan0.0 km² · 0.0%
- Nosegawa0.0 km² · 0.0%
- Soni0.0 km² · 0.0%
30 intersecting protected areas
Mount Odaigahara-Mount Omine-Osugidani
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve
53.24 km² overlap
Yoshino kumano
IUCN VNational Park
51.88 km² overlap
Kurotaki ominesankei
IUCN IVPrefectural Wildlife Protection Area
38.48 km² overlap
Kongo-Ikoma-Kisen
IUCN VQuasi National Park
37.28 km² overlap
Muro-Akame-Aoyama
IUCN VQuasi National Park
34.56 km² overlap
Takamiyama
IUCN IVPrefectural Wildlife Protection Area
29.32 km² overlap
Yoshinogawa tsuburo
IUCN VPrefectural Natural Park
28.10 km² overlap
Yoshinoyama
IUCN IVPrefectural Wildlife Protection Area
26.64 km² overlap
Koya-Ryujin
IUCN VQuasi National Park
23.48 km² overlap
21 more protected areassorted by overlap area
Koyasan
IUCN IVPrefectural Wildlife Protection Area
16.45 km² overlap
Shimohyogo
IUCN IVPrefectural Wildlife Protection Area
11.77 km² overlap
Shimoichi
IUCN IVPrefectural Wildlife Protection Area
11.51 km² overlap
Kongokatsuragi
IUCN IVPrefectural Wildlife Protection Area
11.20 km² overlap
Kinokawa(Kinokawashi)
IUCN IVPrefectural Wildlife Protection Area
10.37 km² overlap
Odaisankei
IUCN IVNational Wildlife Protection Area
9.71 km² overlap
Ito
IUCN IVPrefectural Wildlife Protection Area
7.71 km² overlap
Kishigawacho
IUCN IVPrefectural Wildlife Protection Area
7.36 km² overlap
Prefectural Natural Park
6.51 km² overlap
Kii fudokino oka
IUCN IVPrefectural Wildlife Protection Area
4.64 km² overlap
Osugidani
IUCN IbForest Ecosystem Reserve
4.35 km² overlap
Iwade
IUCN IVPrefectural Wildlife Protection Area
3.43 km² overlap
Kinokawa
IUCN IVPrefectural Wildlife Protection Area
3.00 km² overlap
Narukawayama
IUCN IVBiocenosis Protected Forest
2.89 km² overlap
Oishi kogen
IUCN VPrefectural Natural Park
2.77 km² overlap
Amano
IUCN IVPrefectural Wildlife Protection Area
2.76 km² overlap
Negoro
IUCN IVPrefectural Wildlife Protection Area
2.28 km² overlap
Kisen kogen
IUCN IVPrefectural Wildlife Protection Area
1.80 km² overlap
Kokawa
IUCN IVPrefectural Wildlife Protection Area
1.62 km² overlap
Oishiyama
IUCN IVPrefectural Wildlife Protection Area
1.41 km² overlap
Iwade kinokawa
IUCN IVPrefectural Wildlife Protection Area
1.28 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 820 distinct species · 20 172 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 22 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).
Indicateurs du tissu écologique
Tissu écologique de Bassin de 吉野川 : 20 espèces reliées par 19 interactions GloBI sur 3 types (connectance 8.2%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
13,4°C
Annual rain
2 099mm
Moisture idx (CMI)
0,53
Runoff
1 302mm/an
PET
952mm
AET
952mm
Mean slope
14,8°
Water table
427cm
Forest
76%
Crops
5%
Urban
15%
Protected
20%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)