Ontologia

Commune · IND

Kalna

India

CwaTemperate, dry winter, hot summer(100 %)

Species observed

298

Observations

29 694

Area

988,5km²

Ecological tissue

Sample of 20 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).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Kalna : 11 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 36 interactions GloBI sur 3 types (connectance 17.1%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
21
Interactions affichées
36
Connectance
0.171
Patrimoniales
2
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

298 distinct species · 29 694 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

29 694 obs · 20 cellules
Obs. / cellule
≥ 28 741
308–28 740
50–307
9–49
< 9

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

25,8°C

Annual rain

1 520mm

Warmest m°

35,8°C

Coldest m°

11,9°C

Elevation: 12 m on average (min 6 m, max 23 m)

Bioclimatic detailsExpert
Annual mean temp.
25,8°C
Annual rain
1 520mm
Warmest month
35,8°C
Coldest month
11,9°C
Mean alt.
12m
Min
6m
Max
23m
Std. dev.
3m
Köppen-Geiger (dominant)
CwaTemperate, dry winter, hot summer(100 %)Temperate

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

15,9g/kg

Clay

35,9%

Sand

15,7%

Silt

48,5%

Average over 0-30 cm. Per-depth details in expert panel.

Dominant lithology: ssGLiMaggregated to Barddhaman

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,6
Org. C
24,4g/kg
Clay
34,3%
Sand
16,5%
Silt
49,2%
5–15 cm
pH H₂O
6,7
Org. C
13,2g/kg
Clay
35,4%
Sand
16,0%
Silt
48,7%
15–30 cm
pH H₂O
6,8
Org. C
10,3g/kg
Clay
37,9%
Sand
14,6%
Silt
47,5%

SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)

Land cover

Forest8.7%
Crops74.0%
Built-up2.1%
Bare soil0.2%
Other (grassland, water…)14.9%

Copernicus Global Land Cover 100m (Buchhorn et al. 2020)

Hydrology5 basins · 13 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

72,5km

Lake surface here

5,37km²

Basins crossed

5

Max stream order

6

Max drainage

25 156km²

Discharge in basins

308,0m³/s

Mean precip.

1 300mm/an

Mean T°

26,4°C

Moisture idx

-0,20

Mean runoff

685mm/an

Mean elev. (basins)

20m

Watersheds crossing here

Lakes (13, top by area)

4 more lakes

Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10

Human pressure

Pop. density

9hab/km²

Night light

0,9nW

Built-up

211,3%

Pesticides

2,3kg/km²

GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)