Ontologia

HydroBASINS lev08 watershed · #2080265930

Bassin de Волга

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 5 administrative regions : Bol'shesel'skiy rayon, Rybinskiy rayon, Tutaev, Tutaevskiy rayon, Yaroslavskiy rayon

10% lakePfafstetter: 28365070

Sub-basin area

1 920,7km²

Upstream area

152 728km²

Discharge

1 004,02m³/s

Mean elev.

137m

Administrative coverage

Hydrographic chain

Drains into

Receives from 2 basins

5 dept-equivalent regions (GADM L2)

27 intersecting protected areas

18 more protected areas

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

Species present

1 255 distinct species · 8 715 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

8 715 obs · 51 cellules
Obs. / cellule
≥ 1 087
545–1 086
196–544
35–195
< 35

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

Ecological tissue

Sample of 29 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 Волга : 23 espèces reliées par 65 interactions GloBI sur 6 types (connectance 16.0%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
29
Interactions affichées
65
Connectance
0.160
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°

3,6°C

Annual rain

597mm

Moisture idx (CMI)

-0,03

Runoff

198mm/an

PET

616mm

AET

462mm

Mean slope

1,1°

Water table

94cm

Forest

59%

Crops

25%

Urban

2%

Protected

1%

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