Commune · IND
Katihar
India
Species observed
308
Observations
6 015
Area
3 062,3km²
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).
Indicateurs du tissu écologique
Tissu écologique de Katihar : 20 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 48 interactions GloBI sur 4 types (connectance 10.3%, 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
308 distinct species · 6 015 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
25,3°C
Annual rain
1 662mm
Warmest m°
35,3°C
Coldest m°
11,4°C
Elevation: 31 m on average (min 22 m, max 38 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
6,7
Org. C
14,7g/kg
Clay
27,8%
Sand
29,4%
Silt
42,8%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiMaggregated to Katihar
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)
Hydrology17 basins · 40 lakes · 14 rivers
Hydrology metrics for this exact territory
Stream length here
259,1km
Lake surface here
14,39km²
Basins crossed
17
Max stream order
8
Max drainage
913 036km²
Discharge in basins
15 501,6m³/s
Mean precip.
1 403mm/an
Mean T°
24,9°C
Moisture idx
-0,10
Max snow
1%
Mean runoff
836mm/an
Mean elev. (basins)
37m
Watersheds crossing here
- Bassin de Gangasub-area839,6 km²overlap605.02 km²20%
- Bassin de Mahananda Riversub-area545,9 km²overlap510.29 km²17%
- Bassin de Sudhani Nadisub-area1 089,3 km²overlap431.00 km²14%
- Bassin de Kosi Riversub-area1 923,4 km²overlap424.46 km²14%
- Bassin de Mahananda Riversub-area346,9 km²overlap326.88 km²11%
- Bassin de Gangasub-area922,4 km²overlap212.07 km²7%
- Bassin de Mahananda Riversub-area363,8 km²overlap164.58 km²5%
- Bassin de Nagrisub-area2 379,5 km²overlap95.94 km²3%
- Basin #10770sub-area1 202,2 km²overlap89.58 km²3%
8 more basinssorted by overlap
- Bassin de Panar Nadisub-area356,2 km²overlap89.37 km²3%
- Bassin de Kalindrisub-area595,1 km²overlap54.68 km²2%
- Bassin de Koshisub-area45,4 km²overlap28.43 km²1%
- Bassin de Gangasub-area168,1 km²overlap18.13 km²1%
- Bassin de নাগর নদীsub-area1 523,5 km²overlap6.57 km²0%
- Bassin de Mahananda Riversub-area444,1 km²overlap2.70 km²0%
- Bassin de Koshisub-area312 km²overlap2.44 km²0%
- Bassin de Kankaisub-area120,3 km²overlap0.15 km²0%
Lakes (40, top by area)
- Lake #77039area1,3 km²avg depth1.1 m
- Lake #77046area1,2 km²avg depth0.8 m
- Lake #77038area1,1 km²avg depth1.2 m
- Lac 1384537area0,9 km²avg depth2.2 m
- Lac 1384716area0,9 km²avg depth2.1 m
- Lac 1384657area0,7 km²avg depth1.8 m
- Lac 1384732area0,6 km²avg depth2.0 m
- Lac 1384715area0,4 km²avg depth1.7 m
- Lac 1384614area0,4 km²avg depth1.6 m
31 more lakes
- Lac 1384667area0,4 km²avg depth1.6 m
- Lac 1384652area0,4 km²avg depth1.9 m
- Lac 1384360area0,4 km²avg depth1.4 m
- Lac 1384376area0,4 km²avg depth1.5 m
- Lac 1384522area0,4 km²avg depth1.6 m
- Lac 1384718area0,4 km²avg depth1.9 m
- Lac 1384793area0,3 km²avg depth1.7 m
- Lac 1384855area0,3 km²avg depth1.7 m
- Lac 1384371area0,3 km²avg depth1.4 m
- Lac 1384672area0,3 km²avg depth1.2 m
- Lac 1384629area0,3 km²avg depth1.7 m
- Lac 1384817area0,3 km²avg depth1.3 m
- Lac 1384384area0,2 km²avg depth1.4 m
- Lac 1384908area0,2 km²avg depth1.4 m
- Lac 1384596area0,2 km²avg depth1.5 m
- Lac 1384751area0,2 km²avg depth1.7 m
- Lac 1384808area0,2 km²avg depth1.2 m
- Lac 1384670area0,2 km²avg depth1.3 m
- Lac 1384508area0,2 km²avg depth1.6 m
- Lac 1384365area0,2 km²avg depth1.3 m
- Lac 1384389area0,2 km²avg depth1.4 m
- Lac 1384331area0,2 km²avg depth1.0 m
- Lac 1384615area0,2 km²avg depth1.3 m
- Lac 1384681area0,1 km²avg depth1.2 m
- Lac 1384818area0,1 km²avg depth1.2 m
- Lac 1384696area0,1 km²avg depth1.4 m
- Lac 1384762area0,1 km²avg depth1.4 m
- Lac 1384754area0,1 km²avg depth1.2 m
- Lac 1384807area0,1 km²avg depth1.1 m
- Lac 1384471area0,1 km²avg depth1.1 m
- Lac 1384346area0,1 km²avg depth1.0 m
Rivers / streams (14, ord ≥ 4)
- Mahananda Riverord 6len here88.57 km25%total355 km
- Gangaord 8len here64.27 km3%total2435 km
- Sudhani Nadiord 4len here26.62 km100%total27 km
- Panar Nadiord 6len here22.49 km24%total94 km
- Kosi Dhārord 4len here20.17 km100%total20 km
- Koshiord 7len here10.57 km3%total391 km
- Kalindriord 6len here8.67 km10%total89 km
- নাগর নদীord 5len here4.89 km2%total212 km
- Rauta Nadiord 1len here3.63 km100%total4 km
- Chaumukha Nālaord 1len here3.43 km100%total3 km
- Rautai Nadiord 1len here2.05 km94%total2 km
- Sui Nadiord 4len here2.01 km64%total3 km
2 more river segmentssorted by Strahler order + length
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
9hab/km²
Night light
1,0nW
Built-up
189,5%
Pesticides
2,2kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)