HydroBASINS lev08 watershed · #4080028980
Bassin de Pamani 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 2 administrative regions : Thanjavur, Thiruvarur
Sub-basin area
1 403,2km²
Upstream area
1 403,2km²
Discharge
11,58m³/s
Mean elev.
22m
Administrative coverage
2 dept-equivalent regions (GADM L2)
- Thiruvarur842.3 km²60.3% of basin
- Thanjavur553.1 km²39.6% of basin
1 intersecting protected areas
Vaduvur Bird Sanctuary
IUCN Not ReportedWetland of International Importance (Ramsar Site)
1.13 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 127 distinct species · 50 957 observations
Source: GBIF Occurrence snapshot 2026-05-01.
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).
Indicateurs du tissu écologique
Tissu écologique de Bassin de Pamani River : 26 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 38 interactions GloBI sur 4 types (connectance 7.2%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
28,7°C
Annual rain
1 090mm
Moisture idx (CMI)
-0,33
Runoff
314mm/an
PET
1 622mm
AET
852mm
Mean slope
0,2°
Water table
22cm
Forest
18%
Crops
76%
Urban
7%
Protected
5%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)