Ontologia

HydroBASINS lev08 watershed · #4081043530

Bassin de Saoli Nadi

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 : Chandrapur

19% lakePfafstetter: 45346424

Sub-basin area

503,7km²

Upstream area

503,9km²

Discharge

7,56m³/s

Mean elev.

228m

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

186 distinct species · 1 095 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 095 obs · 12 cellules
Obs. / cellule
≥ 323
320–322
103–319
43–102
< 43

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

Ecological tissue

Sample of 30 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 Saoli Nadi : 22 espèces dont 4 patrimoniales (LR IUCN CR/EN/VU) reliées par 30 interactions GloBI sur 3 types (connectance 6.9%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
30
Interactions affichées
30
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°

27,1°C

Annual rain

1 376mm

Moisture idx (CMI)

-0,24

Runoff

473mm/an

PET

1 806mm

AET

810mm

Mean slope

0,8°

Water table

89cm

Forest

60%

Crops

20%

Urban

1%

Protected

0%

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