Ontologia

Division · LKA

Laggala-Pallegama

Sri Lanka

AfTropical, rainforest(50 %)

Species observed

640

Observations

4 480

Area

391,1km²

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 Laggala-Pallegama : 20 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 15 interactions GloBI sur 3 types (connectance 6.5%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
22
Interactions affichées
15
Connectance
0.065
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

640 distinct species · 4 480 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

4 480 obs · 9 cellules
Obs. / cellule
≥ 1 658
1 658–1 657
427–1 657
219–426
< 219

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

Climate

Mean T°

24,8°C

Annual rain

1 509mm

Warmest m°

31,0°C

Coldest m°

18,6°C

Elevation: 478 m on average (min 101 m, max 1 616 m)

Bioclimatic detailsExpert
Annual mean temp.
24,8°C
Annual rain
1 509mm
Warmest month
31,0°C
Coldest month
18,6°C
Mean alt.
478m
Min
101m
Max
1 616m
Std. dev.
336m
Köppen-Geiger (dominant)
AfTropical, rainforest(50 %)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

48,8g/kg

Clay

35,0%

Sand

35,2%

Silt

29,8%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,4
Org. C
67,4g/kg
Clay
34,1%
Sand
35,7%
Silt
30,1%
5–15 cm
pH H₂O
5,4
Org. C
43,7g/kg
Clay
34,6%
Sand
35,6%
Silt
29,8%
15–30 cm
pH H₂O
5,5
Org. C
35,3g/kg
Clay
36,3%
Sand
34,3%
Silt
29,4%

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

Land cover

Forest84.9%
Crops3.7%
Built-up0.2%
Bare soil0.3%
Other (grassland, water…)10.9%

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

Hydrology4 basins · 1 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

27,4km

Lake surface here

0,33km²

Basins crossed

4

Max stream order

3

Max drainage

5 832km²

Discharge in basins

13,3m³/s

Mean precip.

1 978mm/an

Mean T°

25,5°C

Moisture idx

0,20

Mean runoff

736mm/an

Mean elev. (basins)

358m

Watersheds crossing here

Lakes (1, top by area)

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

19,5%

Pesticides

11,7kg/km²

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

Protected areas9

IUCN Ib · 5IUCN Ia · 2IUCN Not Applicable · 1IUCN II · 1

Wasgamuwa

IUCN II

National Park · 1984

392 km²

Knuckles

IUCN Ia

Conservation Forest · 2000

313 km²

Knuckles EPA

IUCN Ia

Environmental Protection Area (EPA) · 2007

313 km²

Elahera

IUCN Ib

Reserved Forest · 2013

94 km²

Complete list

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