HydroBASINS lev08 watershed · #4080041040

Bassin de 勝浦川

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 8 administrative regions : Anan, Kamikatsu, Kamiyama, Katsuura, Komatsushima +3

Coastal basinPfafstetter: 41304051

Sub-basin area

387km²

Upstream area

387km²

Discharge

3,21m³/s

Mean elev.

299m

Administrative coverage

8 dept-equivalent regions (GADM L2)

Kamikatsu
Tokushima · Japan
115.7 km²
29.9% of basin
Tokushima
Tokushima · Japan
98.3 km²
25.4% of basin
Katsuura
Tokushima · Japan
54.5 km²
14.1% of basin
Komatsushima
Tokushima · Japan
44.2 km²
11.4% of basin
Sanagōchi
Tokushima · Japan
42.7 km²
11.0% of basin
Anan
Tokushima · Japan
17.2 km²
4.4% of basin
Kamiyama
Tokushima · Japan
3.4 km²
0.9% of basin
Naka
Tokushima · Japan
0.2 km²
0.1% of basin

12 intersecting protected areas

Higashisankei
IUCN V
Prefectural Natural Park
33.86 km² overlap
Chubusankei
IUCN V
Prefectural Natural Park
12.92 km² overlap
Bizan
IUCN IV
Prefectural Wildlife Protection Area
8.78 km² overlap
Omiko
IUCN IV
Prefectural Wildlife Protection Area
8.40 km² overlap
Common fishery right area(Tokushima)
IUCN VI
Common fishery right area
5.91 km² overlap
Ikimono fureaino sato
IUCN IV
Prefectural Wildlife Protection Area
4.44 km² overlap
Nakatsumine
IUCN IV
Prefectural Wildlife Protection Area
1.48 km² overlap
Takamaruyama
IUCN IV
Prefectural Wildlife Protection Area
0.56 km² overlap
Takamaru yama
IUCN V
Prefectural Nature Conservation Area
0.29 km² overlap

3 more protected areassorted by overlap area

Asahigamaru
IUCN IV
Rare Wildlife Protection Area(Tokushima)
0.16 km² overlap
Shibagoya
IUCN IV
Prefectural Wildlife Protection Area
0.06 km² overlap
Kakurinji
IUCN IV
Prefectural Wildlife Protection Area
0.01 km² overlap

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

Species present

1 737 distinct species · 10 774 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 27 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

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Bassin de 勝浦川 : 17 espèces reliées par 61 interactions GloBI sur 4 types (connectance 14.0%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées

Interactions affichées

Connectance

0.140

Patrimoniales

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°

14,6°C

Annual rain

1 879mm

Moisture idx (CMI)

0,49

Runoff

1 240mm/an

PET

941mm

AET

941mm

Mean slope

12,7°

Water table

411cm

Forest

58%

Crops

Urban

30%

Protected

17%

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