Ontologia

Division · LKA

Kalawana

Sri Lanka

AfTropical, rainforest(100 %)

Species observed

2 083

Observations

141 006

Area

381,8km²

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 Kalawana : 25 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 23 interactions GloBI sur 3 types (connectance 6.1%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
28
Interactions affichées
23
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

2 083 distinct species · 141 006 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

141 006 obs · 10 cellules
Obs. / cellule
≥ 121 783
121 783–121 782
1 902–121 782
1 601–1 901
< 1 601

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

Climate

Mean T°

23,3°C

Annual rain

3 217mm

Warmest m°

28,4°C

Coldest m°

18,4°C

Elevation: 521 m on average (min 207 m, max 1 214 m)

Bioclimatic detailsExpert
Annual mean temp.
23,3°C
Annual rain
3 217mm
Warmest month
28,4°C
Coldest month
18,4°C
Mean alt.
521m
Min
207m
Max
1 214m
Std. dev.
230m
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

5,2

Org. C

68,2g/kg

Clay

39,2%

Sand

32,1%

Silt

28,7%

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

Dominant lithology: mtGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,2
Org. C
79,8g/kg
Clay
38,6%
Sand
32,8%
Silt
28,6%
5–15 cm
pH H₂O
5,2
Org. C
59,9g/kg
Clay
39,6%
Sand
31,8%
Silt
28,6%
15–30 cm
pH H₂O
5,2
Org. C
64,9g/kg
Clay
39,3%
Sand
31,7%
Silt
29,0%

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

Land cover

Forest85.4%
Crops2.6%
Built-up0.3%
Bare soil0.1%
Other (grassland, water…)11.6%

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

Hydrology5 basins · 0 lakes · 6 rivers

Hydrology metrics for this exact territory

Stream length here

69,6km

Basins crossed

5

Max stream order

3

Max drainage

2 513km²

Discharge in basins

20,7m³/s

Mean precip.

3 710mm/an

Mean T°

25,6°C

Moisture idx

0,60

Mean runoff

1 469mm/an

Mean elev. (basins)

265m

Watersheds crossing here

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

Human pressure

Pop. density

1hab/km²

Night light

0,0nW

Built-up

27,6%

Pesticides

12,3kg/km²

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

Protected areas7

IUCN Ib · 3IUCN Not Applicable · 2IUCN Ia · 1IUCN Not Reported · 1

Sinharaja

IUCN Not Reported

Reserved Forest · 1934

65 km²

Pannila

IUCN Ib

Reserved Forest · 1893

1 km²

Complete list

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