Ontologia

Division · LKA

Okewela

Sri Lanka

AfTropical, rainforest(100 %)

Species observed

91

Observations

610

Area

43,4km²

Ecological tissue

Sample of 26 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 Okewela : 25 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 23 interactions GloBI sur 3 types (connectance 7.1%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
26
Interactions affichées
23
Connectance
0.071
Patrimoniales
3
Plus dense que (national)0 %(top 100%)

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

Species present

91 distinct species · 610 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

610 obs · 1 cellules
Obs. / cellule
≥ 610
610–609
610–609
610–609
< 610

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

Climate

Mean T°

26,4°C

Annual rain

1 796mm

Warmest m°

31,1°C

Coldest m°

22,2°C

Elevation: 70 m on average (min 31 m, max 145 m)

Bioclimatic detailsExpert
Annual mean temp.
26,4°C
Annual rain
1 796mm
Warmest month
31,1°C
Coldest month
22,2°C
Mean alt.
70m
Min
31m
Max
145m
Std. dev.
27m
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

48,9g/kg

Clay

35,8%

Sand

36,2%

Silt

28,0%

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

Dominant lithology: mtGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,2
Org. C
55,2g/kg
Clay
34,3%
Sand
37,8%
Silt
27,8%
5–15 cm
pH H₂O
5,2
Org. C
46,7g/kg
Clay
34,8%
Sand
36,7%
Silt
28,6%
15–30 cm
pH H₂O
5,3
Org. C
44,8g/kg
Clay
38,2%
Sand
34,2%
Silt
27,6%

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

Land cover

Forest73.3%
Crops6.3%
Built-up0.8%
Bare soil0.2%
Other (grassland, water…)19.3%

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

Hydrology2 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

13,7km

Basins crossed

2

Max stream order

2

Max drainage

1 042km²

Discharge in basins

0,3m³/s

Mean precip.

1 760mm/an

Mean T°

26,5°C

Moisture idx

0,16

Mean runoff

1 092mm/an

Mean elev. (basins)

84m

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

Human pressure

Pop. density

4hab/km²

Night light

0,2nW

Built-up

80,8%

Pesticides

13,0kg/km²

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

Protected areas1

IUCN Ib · 1

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