Ontologia

HydroBASINS lev08 watershed · #4081029700

Bassin de Vena

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 1 administrative regions : Nagpur

10% lakePfafstetter: 45346629

Sub-basin area

595,3km²

Upstream area

595,3km²

Discharge

6,46m³/s

Mean elev.

342m

Administrative coverage

Hydrographic chain

Drains into

Receives from 0 basins

Source / headwater (no upstream basin)

1 dept-equivalent regions (GADM L2)

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

Species present

441 distinct species · 25 217 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

25 217 obs · 16 cellules
Obs. / cellule
≥ 10 360
5 547–10 359
1 284–5 546
266–1 283
< 266

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

Ecological tissue

Sample of 33 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 Vena : 27 espèces dont 4 patrimoniales (LR IUCN CR/EN/VU) reliées par 41 interactions GloBI sur 3 types (connectance 6.9%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
35
Interactions affichées
41
Connectance
0.069
Patrimoniales
4
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°

26,8°C

Annual rain

1 064mm

Moisture idx (CMI)

-0,42

Runoff

342mm/an

PET

1 824mm

AET

828mm

Mean slope

1,5°

Water table

145cm

Forest

19%

Crops

59%

Urban

24%

Protected

0%

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