District · IND
Purba Champaran
India
Species observed
214
Observations
931
Area
3 991,1km²
Ecological tissue
Sample of 34 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 Purba Champaran : 24 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 48 interactions GloBI sur 3 types (connectance 8.1%, filtre Serrano α=0.2). 11 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
214 distinct species · 931 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
25,4°C
Annual rain
1 423mm
Warmest m°
36,7°C
Coldest m°
10,2°C
Elevation: 66 m on average (min 57 m, max 83 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
6,9
Org. C
14,1g/kg
Clay
27,2%
Sand
30,8%
Silt
42,0%
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)
Hydrology12 basins · 50 lakes · 9 rivers
Hydrology metrics for this exact territory
Stream length here
341,8km
Lake surface here
18,95km²
Basins crossed
12
Max stream order
7
Max drainage
42 541km²
Discharge in basins
728,3m³/s
Mean precip.
1 247mm/an
Mean T°
24,9°C
Moisture idx
-0,22
Mean runoff
601mm/an
Mean elev. (basins)
85m
Watersheds crossing here
- Bassin de Gandaksub-area2 644,9 km²overlap708.04 km²18%
- Bassin de Burhi Gandaksub-area1 200,1 km²overlap641.52 km²16%
- Bassin de Dhanautisub-area872,7 km²overlap542.40 km²14%
- Bassin de Burhi Gandaksub-area2 244,5 km²overlap507.51 km²13%
- Bassin de Sirsiyasub-area1 797,8 km²overlap505.44 km²13%
- Basin #82540sub-area573,2 km²overlap400.37 km²10%
- Bassin de Baya Nadisub-area1 696,6 km²overlap319.46 km²8%
- Bassin de Burhi Gandaksub-area439 km²overlap247.71 km²6%
- Bassin de Doun canalsub-area1 285,7 km²overlap46.18 km²1%
Lakes (50, top by area)
- Lake #76857area1,2 km²avg depth1.6 m
- Lake #76850area1,1 km²avg depth0.9 m
- Lac 1383300area1 km²avg depth2.4 m
- Lac 1383565area1 km²avg depth1.4 m
- Lac 1383183area0,9 km²avg depth2.2 m
- Lac 1383245area0,7 km²avg depth2.5 m
- Lac 1383323area0,7 km²avg depth2.7 m
- Lac 1383228area0,7 km²avg depth1.9 m
- Lac 1383208area0,6 km²avg depth2.8 m
41 more lakes
- Lac 1383451area0,6 km²avg depth2.0 m
- Lac 1383441area0,6 km²avg depth1.3 m
- Lac 1383299area0,5 km²avg depth2.0 m
- Lac 1383187area0,4 km²avg depth1.5 m
- Lac 1383256area0,4 km²avg depth0.5 m
- Lac 1383339area0,4 km²avg depth1.7 m
- Lac 1383533area0,4 km²avg depth2.2 m
- Lac 1383477area0,4 km²avg depth2.6 m
- Lac 1383340area0,4 km²avg depth1.7 m
- Lac 1383217area0,4 km²avg depth1.5 m
- Lac 1383412area0,4 km²avg depth2.0 m
- Lac 1383155area0,3 km²avg depth1.5 m
- Lac 1383184area0,3 km²avg depth1.4 m
- Lac 1383206area0,3 km²avg depth2.1 m
- Lac 1383257area0,3 km²avg depth1.7 m
- Lac 1383171area0,3 km²avg depth1.8 m
- Lac 1383308area0,3 km²avg depth1.6 m
- Lac 1383492area0,3 km²avg depth1.2 m
- Lac 1383417area0,3 km²avg depth1.3 m
- Lac 1383527area0,3 km²avg depth1.4 m
- Lac 1383289area0,3 km²avg depth2.5 m
- Lac 1383125area0,3 km²avg depth2.1 m
- Lac 1383181area0,3 km²avg depth1.2 m
- Lac 1383437area0,3 km²avg depth1.3 m
- Lac 1383242area0,2 km²avg depth2.3 m
- Lac 1383282area0,2 km²avg depth1.1 m
- Lac 1383185area0,2 km²avg depth1.5 m
- Lac 1383320area0,2 km²avg depth1.8 m
- Lac 1383175area0,2 km²avg depth1.3 m
- Lac 1383377area0,2 km²avg depth1.5 m
- Lac 1383428area0,2 km²avg depth1.5 m
- Lac 1383158area0,2 km²avg depth1.8 m
- Lac 1383309area0,2 km²avg depth1.7 m
- Lac 1383520area0,2 km²avg depth1.3 m
- Lac 1383325area0,2 km²avg depth1.1 m
- Lac 1383331area0,2 km²avg depth1.0 m
- Lac 1383220area0,2 km²avg depth1.3 m
- Lac 1383493area0,2 km²avg depth1.1 m
- Lac 1383460area0,1 km²avg depth2.0 m
- Lac 1383154area0,1 km²avg depth1.1 m
- Lac 1383327area0,1 km²avg depth1.1 m
Rivers / streams (9, ord ≥ 4)
- Burhi Gandakord 5len here161.71 km24%total682 km
- Gandakord 7len here60.14 km12%total486 km
- Dhanautiord 3len here57.07 km100%total57 km
- Sirsiyaord 2len here26.16 km80%total33 km
- जमनी नदीord 3len here25.87 km55%total47 km
- Aruwa Riverord 2len here5.54 km42%total13 km
- Bakalya Nadiord 5len here4.34 km7%total64 km
- Baya Nadiord 4len here0.58 km0%total124 km
- Pasaha Nadiord 2len here0.34 km1%total28 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
12hab/km²
Night light
1,7nW
Built-up
199,8%
Pesticides
2,0kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)