District · IND
Birbhum
India
Species observed
661
Observations
72 518
Area
4 555,7km²
Ecological tissue
Sample of 27 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 Birbhum : 20 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 38 interactions GloBI sur 3 types (connectance 10.8%, 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
661 distinct species · 72 518 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
25,7°C
Annual rain
1 521mm
Warmest m°
36,4°C
Coldest m°
11,5°C
Elevation: 51 m on average (min 18 m, max 134 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
6,3
Org. C
12,9g/kg
Clay
28,0%
Sand
33,5%
Silt
38,5%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiM
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)
Hydrology9 basins · 4 lakes · 20 rivers
Hydrology metrics for this exact territory
Stream length here
724,7km
Lake surface here
5,50km²
Basins crossed
9
Max stream order
5
Max drainage
9 070km²
Discharge in basins
213,2m³/s
Mean precip.
1 336mm/an
Mean T°
26,0°C
Moisture idx
-0,18
Mean runoff
767mm/an
Mean elev. (basins)
94m
Watersheds crossing here
- Bassin de Mayurakshisub-area9 070,1 km²overlap3393.39 km²74%
- Bassin de Ajaysub-area637,8 km²overlap319.72 km²7%
- Bassin de Ajaysub-area663 km²overlap297.15 km²7%
- Bassin de Bara Nadisub-area474,5 km²overlap189.00 km²4%
- Bassin de Hinglasub-area455,7 km²overlap174.65 km²4%
- Bassin de Bansloisub-area1 191,4 km²overlap116.86 km²3%
- Bassin de Ajaysub-area1 004,5 km²overlap49.64 km²1%
- Bassin de Bhagirathisub-area1 050 km²overlap15.13 km²0%
- Bassin de Ajaysub-area799,6 km²overlap0.13 km²0%
Lakes (4, top by area)
Rivers / streams (20, ord ≥ 4)
- Ajayord 5len here132.21 km26%total508 km
- Bakreshwarord 4len here114.77 km81%total141 km
- Kopaiord 3len here90.84 km100%total91 km
- Mayurakshiord 5len here70.43 km23%total302 km
- Dwarakaord 4len here61.70 km56%total109 km
- Hinglaord 5len here60.81 km99%total61 km
- Brahmaniord 5len here42.87 km26%total166 km
- Dwaraka Brahmani Main Canalord 3len here37.01 km98%total38 km
- Kopai (Sal)ord 2len here31.23 km97%total32 km
- Triaghana nadiord 4len here13.82 km16%total88 km
- Bansloiord 3len here11.96 km9%total132 km
- Mayurakshi Dwarakeshwar Mainord 2len here11.38 km100%total11 km
8 more river segmentssorted by Strahler order + length
- Mayurakshi Bakreswar Main Canalord 2len here10.62 km100%total11 km
- Hingla Main Canalord 1len here8.85 km91%total10 km
- Pāgla Nadiord 3len here6.59 km100%total7 km
- Bānsloi Nadiord 3len here5.68 km51%total11 km
- Bara Nadiord 3len here5.58 km32%total18 km
- Khāksa Nadiord 3len here5.26 km49%total11 km
- Chilaord 2len here2.23 km25%total9 km
- Māchna Nadiord 4len here0.85 km5%total18 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
7hab/km²
Night light
1,3nW
Built-up
188,5%
Pesticides
2,2kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)