District · IND
Koch Bihar
India
Species observed
460
Observations
7 505
Area
3 387,2km²
Ecological tissue
Sample of 33 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 Koch Bihar : 26 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 46 interactions GloBI sur 3 types (connectance 8.7%, 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).
Species present
460 distinct species · 7 505 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
24,6°C
Annual rain
3 441mm
Warmest m°
31,4°C
Coldest m°
11,8°C
Elevation: 46 m on average (min 30 m, max 77 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
5,7
Org. C
18,1g/kg
Clay
26,3%
Sand
45,7%
Silt
28,0%
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)
Hydrology20 basins · 3 lakes · 21 rivers
Hydrology metrics for this exact territory
Stream length here
488,8km
Lake surface here
0,60km²
Basins crossed
20
Max stream order
6
Max drainage
12 466km²
Discharge in basins
911,6m³/s
Mean precip.
2 914mm/an
Mean T°
23,0°C
Moisture idx
0,49
Max snow
8%
Mean runoff
1 205mm/an
Mean elev. (basins)
308m
Watersheds crossing here
- Bassin de Jaldhakasub-area1 697,6 km²overlap955.02 km²28%
- Bassin de Torsa riversub-area852,6 km²overlap366.76 km²11%
- Bassin de Jaldhakasub-area347,1 km²overlap341.51 km²10%
- Bassin de দুধকুমার নদীsub-area854,2 km²overlap317.13 km²9%
- Bassin de Wang Chhusub-area5 221 km²overlap239.61 km²7%
- Bassin de Kāljāni Riversub-area1 483,1 km²overlap235.04 km²7%
- Bassin de Teesta Riversub-area4 702,3 km²overlap197.00 km²6%
- Bassin de Jarda nadisub-area572,4 km²overlap181.42 km²5%
- Bassin de Sankosh Riversub-area2 395,6 km²overlap160.81 km²5%
11 more basinssorted by overlap
- Bassin de Jaldhakasub-area124 km²overlap104.46 km²3%
- Bassin de যমুনাশ্বেরী নদীsub-area1 414,8 km²overlap73.12 km²2%
- Bassin de Torsa riversub-area82,6 km²overlap66.13 km²2%
- Bassin de Jaldhakasub-area1 545,2 km²overlap31.47 km²1%
- Bassin de Karatoya Riversub-area381,2 km²overlap27.49 km²1%
- Bassin de Karatoyasub-area336 km²overlap23.52 km²1%
- Bassin de Hollong Riversub-area563 km²overlap23.52 km²1%
- Bassin de Jaldhakasub-area621,6 km²overlap16.64 km²0%
- Bassin de Jaldhakasub-area14,8 km²overlap14.79 km²0%
- Bassin de Talma Riversub-area937,3 km²overlap11.75 km²0%
- Bassin de Dainasub-area443,5 km²overlap0.03 km²0%
Lakes (3, top by area)
Rivers / streams (21, ord ≥ 4)
- Jaldhakaord 5len here164.73 km52%total317 km
- Torsa riverord 5len here88.18 km55%total160 km
- Wang Chhuord 5len here61.24 km33%total188 km
- Kāljāni Riverord 5len here35.05 km69%total50 km
- Teesta Riverord 6len here22.17 km8%total286 km
- Raidak 2ord 5len here18.23 km31%total58 km
- Mara Torsaord 2len here13.35 km100%total13 km
- বুড়ী তিস্তা নদীord 2len here12.85 km69%total19 km
- Jaldhak Streamord 2len here11.26 km95%total12 km
- Sankosh Riverord 5len here9.59 km7%total146 km
- Karatoya Riverord 3len here8.52 km21%total41 km
- Hollong Riverord 3len here8.19 km10%total81 km
9 more river segmentssorted by Strahler order + length
- দুধকুমার নদীord 6len here7.20 km10%total74 km
- Jorai Nadiord 1len here7.04 km78%total9 km
- Gidariord 2len here6.87 km61%total11 km
- Karatoyaord 4len here5.39 km4%total129 km
- Jarda nadiord 3len here4.06 km8%total50 km
- Kāljāni riverord 5len here3.25 km100%total3 km
- Bauti Nadiord 1len here1.35 km100%total1 km
- Komlai Riverord 4len here0.30 km1%total34 km
- Dima nadiord 4len here≈ tangenttotal4 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
7hab/km²
Night light
0,7nW
Built-up
149,8%
Pesticides
2,4kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)