Ontologia

Division · LKA

Galgamuwa

Sri Lanka

AwTropical, savannah(100 %)

Species observed

155

Observations

529

Area

277,5km²

Ecological tissue

Sample of 34 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 Galgamuwa : 30 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 34 interactions GloBI sur 3 types (connectance 6.1%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
34
Interactions affichées
34
Connectance
0.061
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

155 distinct species · 529 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

529 obs · 8 cellules
Obs. / cellule
≥ 290
290–289
29–289
18–28
< 18

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

1 377mm

Warmest m°

33,7°C

Coldest m°

21,3°C

Elevation: 87 m on average (min 56 m, max 115 m)

Bioclimatic detailsExpert
Annual mean temp.
27,0°C
Annual rain
1 377mm
Warmest month
33,7°C
Coldest month
21,3°C
Mean alt.
87m
Min
56m
Max
115m
Std. dev.
12m
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

5,9

Org. C

27,5g/kg

Clay

31,0%

Sand

44,1%

Silt

25,0%

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

Dominant lithology: mtGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,9
Org. C
42,0g/kg
Clay
29,3%
Sand
45,1%
Silt
25,6%
5–15 cm
pH H₂O
5,9
Org. C
24,1g/kg
Clay
30,3%
Sand
44,6%
Silt
25,1%
15–30 cm
pH H₂O
5,9
Org. C
16,3g/kg
Clay
33,2%
Sand
42,6%
Silt
24,2%

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

Land cover

Forest55.4%
Crops15.6%
Built-up0.9%
Bare soil0.6%
Other (grassland, water…)27.6%

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

Hydrology2 basins · 8 lakes · 7 rivers

Hydrology metrics for this exact territory

Stream length here

40,1km

Lake surface here

10,13km²

Basins crossed

2

Max stream order

4

Max drainage

2 873km²

Discharge in basins

3,8m³/s

Mean precip.

1 277mm/an

Mean T°

27,4°C

Moisture idx

-0,20

Mean runoff

513mm/an

Mean elev. (basins)

92m

Watersheds crossing here

Lakes (8, top by area)

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

Human pressure

Pop. density

2hab/km²

Night light

0,1nW

Built-up

95,4%

Pesticides

12,3kg/km²

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