District · IND
Saran
India
Species observed
262
Observations
1 766
Area
2 645,2km²
Ecological tissue
Sample of 31 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 Saran : 22 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 42 interactions GloBI sur 3 types (connectance 8.5%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
262 distinct species · 1 766 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
25,7°C
Annual rain
1 093mm
Warmest m°
37,6°C
Coldest m°
10,4°C
Elevation: 54 m on average (min 42 m, max 60 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
7,1
Org. C
12,8g/kg
Clay
28,0%
Sand
30,2%
Silt
41,8%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology13 basins · 23 lakes · 6 rivers
Hydrology metrics for this exact territory
Stream length here
133,6km
Lake surface here
7,28km²
Basins crossed
13
Max stream order
8
Max drainage
769 196km²
Discharge in basins
17 801,4m³/s
Mean precip.
1 056mm/an
Mean T°
25,6°C
Moisture idx
-0,34
Max snow
1%
Mean runoff
444mm/an
Mean elev. (basins)
62m
Watersheds crossing here
- Bassin de Gandak Naharsub-area1 917,4 km²overlap1141.60 km²43%
- Bassin de Gandaksub-area2 644,9 km²overlap527.13 km²20%
- Basin #99830sub-area603,4 km²overlap342.61 km²13%
- Bassin de Gangasub-area1 320,7 km²overlap276.94 km²10%
- Bassin de Gandak Naharsub-area1 830,6 km²overlap137.35 km²5%
- Bassin de Ghagharasub-area327,4 km²overlap107.06 km²4%
- Bassin de Ghagharasub-area54,7 km²overlap38.55 km²1%
- Bassin de Gangasub-area2 667 km²overlap31.46 km²1%
- Bassin de Barun Canalsub-area459,9 km²overlap20.45 km²1%
Lakes (23, top by area)
- Lake #76927area1 km²avg depth0.6 m
- Lac 1383923area0,8 km²avg depth1.5 m
- Lac 1383865area0,7 km²avg depth1.7 m
- Lac 1383835area0,7 km²avg depth1.4 m
- Lac 1384125area0,5 km²avg depth1.5 m
- Lac 1384286area0,5 km²avg depth1.8 m
- Lac 1383876area0,4 km²avg depth1.7 m
- Lac 1383844area0,4 km²avg depth1.6 m
- Lac 1384327area0,4 km²avg depth1.9 m
14 more lakes
- Lac 1383999area0,4 km²avg depth1.3 m
- Lac 1383942area0,3 km²avg depth1.3 m
- Lac 1383991area0,3 km²avg depth1.2 m
- Lac 1383962area0,2 km²avg depth1.2 m
- Lac 1384018area0,2 km²avg depth1.2 m
- Lac 1383970area0,2 km²avg depth1.3 m
- Lac 1383853area0,2 km²avg depth1.5 m
- Lac 1383869area0,2 km²avg depth1.3 m
- Lac 1383653area0,1 km²avg depth0.6 m
- Lac 1384126area0,1 km²avg depth1.0 m
- Lac 1383866area0,1 km²avg depth1.1 m
- Lac 1383819area0,1 km²avg depth1.1 m
- Lac 1383901area0,1 km²avg depth1.5 m
- Lac 1384004area0,1 km²avg depth1.1 m
Rivers / streams (6, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
14hab/km²
Night light
1,9nW
Built-up
230,2%
Pesticides
2,0kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)