Ontologia

Division · LKA

Nallur

Sri Lanka

AwTropical, savannah(100 %)

Species observed

24

Observations

37

Area

31,7km²

Ecological tissue

Sample of 9 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 Nallur : 9 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 5 interactions GloBI sur 2 types (connectance 13.9%, filtre Serrano α=0.2).

Espèces affichées
9
Interactions affichées
5
Connectance
0.139
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

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

Species present

24 distinct species · 37 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

37 obs · 1 cellules
Obs. / cellule
≥ 37
37–36
37–36
37–36
< 37

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

Climate

Mean T°

27,7°C

Annual rain

1 266mm

Warmest m°

30,6°C

Coldest m°

24,3°C

Elevation: 5 m on average (min -19 m, max 9 m)

Bioclimatic detailsExpert
Annual mean temp.
27,7°C
Annual rain
1 266mm
Warmest month
30,6°C
Coldest month
24,3°C
Mean alt.
5m
Min
-19m
Max
9m
Std. dev.
3m
Köppen-Geiger (dominant)
AwTropical, savannah(100 %)Tropical

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

6,4

Org. C

54,2g/kg

Clay

29,2%

Sand

36,5%

Silt

34,3%

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

Dominant lithology: scGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,4
Org. C
64,5g/kg
Clay
28,6%
Sand
36,9%
Silt
34,5%
5–15 cm
pH H₂O
6,4
Org. C
52,6g/kg
Clay
29,4%
Sand
36,4%
Silt
34,2%
15–30 cm
pH H₂O
6,5
Org. C
45,6g/kg
Clay
29,6%
Sand
36,1%
Silt
34,3%

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

Land cover

Forest6.6%
Crops22.9%
Built-up9.2%
Bare soil2.5%
Other (grassland, water…)58.9%

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

Hydrology1 basins · 2 lakes · 0 rivers

Hydrology metrics for this exact territory

Lake surface here

0,24km²

Basins crossed

1

Max drainage

1 391km²

Discharge in basins

0,1m³/s

Mean precip.

1 281mm/an

Mean T°

27,8°C

Moisture idx

-0,01

Mean runoff

445mm/an

Mean elev. (basins)

6m

Watersheds crossing here

Lakes (2, top by area)

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

Human pressure

Pop. density

16hab/km²

Night light

3,0nW

Built-up

915,3%

Pesticides

11,7kg/km²

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