Ontologia

Pays · LKA

Sri Lanka

AwTropical, savannah(54 %)

Species observed

14 399

Observations

1 518 093

Area

65 837,4km²

Ecological tissue

Sample of 28 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 Sri Lanka : 26 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) + 2 bulles famille, 19 interactions GloBI documentées sur 3 types (connectance 5.0%, filtre Serrano α=0.2). Les 2 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
28
Interactions affichées
19
Connectance
0.050
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

14 399 distinct species · 1 518 093 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 518 093 obs · 34 cellules
Obs. / cellule
≥ 162 742
129 040–162 741
56 777–129 039
25 779–56 776
< 25 779

Source : GBIF — observations agrégées par hexagones 0.2° × 0.2° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

26,5°C

Annual rain

1 713mm

Warmest m°

32,3°C

Coldest m°

21,2°C

Elevation: 172 m on average (min -290 m, max 2 283 m)

Bioclimatic detailsExpert
Annual mean temp.
26,5°C
Annual rain
1 713mm
Warmest month
32,3°C
Coldest month
21,2°C
Mean alt.
172m
Min
-290m
Max
2 283m
Std. dev.
301m
Köppen-Geiger (dominant)
AwTropical, savannah(54 %)Tropical

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

Soil & lithology

pH H₂O

5,6

Org. C

45,1g/kg

Clay

33,9%

Sand

36,4%

Silt

29,6%

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

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,6
Org. C
57,9g/kg
Clay
32,7%
Sand
37,2%
Silt
30,0%
5–15 cm
pH H₂O
5,6
Org. C
42,2g/kg
Clay
33,3%
Sand
36,8%
Silt
29,8%
15–30 cm
pH H₂O
5,7
Org. C
35,1g/kg
Clay
35,7%
Sand
35,2%
Silt
29,1%

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

Land cover

Forest62.5%
Crops13.9%
Built-up1.3%
Bare soil0.6%
Other (grassland, water…)21.7%

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

Hydrology80 basins · 50 lakes · 100 rivers

Hydrology metrics for this exact territory

Stream length here

5 094,4km

Lake surface here

705,61km²

Basins crossed

80

Max stream order

5

Max drainage

10 161km²

Discharge in basins

2 397,8m³/s

Mean precip.

1 877mm/an

Mean T°

26,5°C

Moisture idx

0,13

Mean runoff

741mm/an

Mean elev. (basins)

177m

Watersheds crossing here

71 more basins

Lakes (50, top by area)

41 more lakes

Rivers / streams (100, ord ≥ 4)

88 more river segments

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

Human pressure

Pop. density

3hab/km²

Night light

0,3nW

Built-up

126,5%

Pesticides

12,1kg/km²

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

Protected areas100

Country WDPA breakdown
Ib10 707 km²(388)
II5 494 km²(21)
IV4 050 km²(67)
Not Reported2 621 km²(121)
Ia1 976 km²(68)
Not Applicable1 144 km²(6)
VI96 km²(5)
V22 km²(3)
IUCN Ib · 51IUCN IV · 19IUCN II · 13IUCN Ia · 8IUCN Not Applicable · 5IUCN Not Reported · 3IUCN VI · 1🌊 Marine · 17📍 Point sites · 6

Wilpattu

IUCN II

National Park · 1938

1 313 km²

Yala NP

IUCN II

National Park · 1970

980 km²

Maduroad

IUCN Ib

Reserved Forest · 2012

519 km²

Complete list

+ 40 protected areas (top 60 shown)

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN