Ontologia

Division · LKA

Gampaha

Sri Lanka

AfTropical, rainforest(100 %)

Species observed

799

Observations

4 293

Area

90,8km²

Ecological tissue

Sample of 37 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 Gampaha : 34 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 31 interactions GloBI sur 4 types (connectance 4.7%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
37
Interactions affichées
31
Connectance
0.046
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

799 distinct species · 4 293 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

4 293 obs · 2 cellules
Obs. / cellule
≥ 2 584
2 584–2 583
2 584–2 583
2 584–2 583
< 2 584

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

Climate

Mean T°

27,0°C

Annual rain

2 362mm

Warmest m°

32,3°C

Coldest m°

22,5°C

Elevation: 18 m on average (min 4 m, max 35 m)

Bioclimatic detailsExpert
Annual mean temp.
27,0°C
Annual rain
2 362mm
Warmest month
32,3°C
Coldest month
22,5°C
Mean alt.
18m
Min
4m
Max
35m
Std. dev.
7m
Köppen-Geiger (dominant)
AfTropical, rainforest(100 %)Tropical

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

Soil & lithology

pH H₂O

5,4

Org. C

48,5g/kg

Clay

35,1%

Sand

30,6%

Silt

34,3%

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

Dominant lithology: mtGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,4
Org. C
58,8g/kg
Clay
33,5%
Sand
31,7%
Silt
34,8%
5–15 cm
pH H₂O
5,4
Org. C
48,8g/kg
Clay
34,7%
Sand
30,8%
Silt
34,6%
15–30 cm
pH H₂O
5,4
Org. C
37,9g/kg
Clay
37,2%
Sand
29,2%
Silt
33,6%

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

Land cover

Forest42.5%
Crops12.5%
Built-up10.1%
Bare soil0.2%
Other (grassland, water…)34.8%

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

Hydrology2 basins · 0 lakes · 10 rivers

Hydrology metrics for this exact territory

Stream length here

31,5km

Basins crossed

2

Max stream order

4

Max drainage

2 325km²

Discharge in basins

3,0m³/s

Mean precip.

2 487mm/an

Mean T°

27,1°C

Moisture idx

0,38

Mean runoff

1 052mm/an

Mean elev. (basins)

51m

Watersheds crossing here

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

Human pressure

Pop. density

19hab/km²

Night light

2,9nW

Built-up

1 007,3%

Pesticides

13,5kg/km²

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