Ontologia

HydroBASINS lev08 watershed · #4081154390

Bassin de Vaippar River

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 3 administrative regions : Thoothukkudi, Tirunelveli, Virudunagar

Pfafstetter: 45390603

Sub-basin area

445,3km²

Upstream area

4 321,4km²

Discharge

10,69m³/s

Mean elev.

75m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de Vaippar River412 km²

▲ Receives from 2 basins

3 dept-equivalent regions (GADM L2)

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

Species present

139 distinct species · 2 036 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 036 obs · 11 cellules
Obs. / cellule
≥ 807
442–806
167–441
46–166
< 46

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

Ecological tissue

Sample of 32 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 Vaippar River : 24 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 47 interactions GloBI sur 3 types (connectance 9.5%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
32
Interactions affichées
47
Connectance
0.095
Patrimoniales
3
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°

28,9°C

Annual rain

763mm

Moisture idx (CMI)

-0,55

Runoff

125mm/an

PET

1 680mm

AET

643mm

Mean slope

0,2°

Water table

55cm

Forest

22%

Crops

67%

Urban

8%

Protected

0%

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