Ontologia

Division · LKA

Valikamam East

Sri Lanka

AwTropical, savannah(100 %)

Species observed

324

Observations

5 528

Area

118,6km²

Ecological tissue

Sample of 22 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 Valikamam East : 15 espèces reliées par 30 interactions GloBI sur 3 types (connectance 11.9%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
23
Interactions affichées
30
Connectance
0.119
Patrimoniales
0
Plus dense que (national)0 %(top 100%)

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

Species present

324 distinct species · 5 528 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

5 528 obs · 5 cellules
Obs. / cellule
≥ 2 319
2 319–2 318
2 092–2 318
684–2 091
< 684

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 272mm

Warmest m°

31,0°C

Coldest m°

24,3°C

Elevation: 4 m on average (min -7 m, max 8 m)

Bioclimatic detailsExpert
Annual mean temp.
27,7°C
Annual rain
1 272mm
Warmest month
31,0°C
Coldest month
24,3°C
Mean alt.
4m
Min
-7m
Max
8m
Std. dev.
2m
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

6,3

Org. C

43,3g/kg

Clay

29,3%

Sand

37,8%

Silt

33,0%

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

Dominant lithology: scGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,3
Org. C
57,7g/kg
Clay
28,7%
Sand
38,1%
Silt
33,3%
5–15 cm
pH H₂O
6,3
Org. C
35,9g/kg
Clay
29,7%
Sand
37,8%
Silt
32,6%
15–30 cm
pH H₂O
6,3
Org. C
36,3g/kg
Clay
29,5%
Sand
37,4%
Silt
33,2%

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

Land cover

Forest12.6%
Crops32.0%
Built-up3.0%
Bare soil6.2%
Other (grassland, water…)46.3%

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

Hydrology1 basins · 15 lakes · 0 rivers

Hydrology metrics for this exact territory

Lake surface here

19,15km²

Basins crossed

1

Max drainage

1 391km²

Discharge in basins

0,4m³/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 (15, top by area)

6 more lakes

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

Human pressure

Pop. density

5hab/km²

Night light

1,2nW

Built-up

298,4%

Pesticides

11,7kg/km²

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