Ontologia

Division · LKA

Nawagattegama

Sri Lanka

AwTropical, savannah(100 %)

Species observed

139

Observations

252

Area

173,1km²

Ecological tissue

Sample of 30 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 Nawagattegama : 27 espèces reliées par 30 interactions GloBI sur 3 types (connectance 6.5%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
31
Interactions affichées
30
Connectance
0.065
Patrimoniales
0
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

139 distinct species · 252 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

252 obs · 3 cellules
Obs. / cellule
≥ 179
179–178
179–178
64–178
< 64

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

Climate

Mean T°

27,2°C

Annual rain

1 368mm

Warmest m°

33,6°C

Coldest m°

21,7°C

Elevation: 58 m on average (min 33 m, max 106 m)

Bioclimatic detailsExpert
Annual mean temp.
27,2°C
Annual rain
1 368mm
Warmest month
33,6°C
Coldest month
21,7°C
Mean alt.
58m
Min
33m
Max
106m
Std. dev.
10m
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

5,8

Org. C

29,8g/kg

Clay

32,4%

Sand

42,4%

Silt

25,2%

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

Dominant lithology: mtGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,8
Org. C
43,7g/kg
Clay
30,3%
Sand
43,8%
Silt
25,9%
5–15 cm
pH H₂O
5,8
Org. C
26,5g/kg
Clay
31,4%
Sand
43,0%
Silt
25,6%
15–30 cm
pH H₂O
5,9
Org. C
19,3g/kg
Clay
35,4%
Sand
40,5%
Silt
24,2%

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

Land cover

Forest63.5%
Crops12.4%
Built-up0.6%
Bare soil0.2%
Other (grassland, water…)23.3%

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

Hydrology1 basins · 3 lakes · 0 rivers

Hydrology metrics for this exact territory

Lake surface here

2,89km²

Basins crossed

1

Max drainage

1 504km²

Discharge in basins

2,5m³/s

Mean precip.

1 248mm/an

Mean T°

27,5°C

Moisture idx

-0,22

Mean runoff

516mm/an

Mean elev. (basins)

76m

Watersheds crossing here

Lakes (3, top by area)

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

Human pressure

Pop. density

1hab/km²

Night light

0,0nW

Built-up

56,9%

Pesticides

12,8kg/km²

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

Protected areas7

IUCN Ib · 6IUCN IV · 1

Tabbowa

IUCN IV

Sanctuary · 2002

227 km²

Complete list

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