Ontologia

Division · LKA

Opanayaka

Sri Lanka

AfTropical, rainforest(100 %)

Species observed

88

Observations

163

Area

74,9km²

Ecological tissue

Sample of 20 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 Opanayaka : 19 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 15 interactions GloBI sur 2 types (connectance 7.9%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
20
Interactions affichées
15
Connectance
0.079
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

88 distinct species · 163 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

163 obs · 2 cellules
Obs. / cellule
≥ 146
146–145
146–145
146–145
< 146

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

Climate

Mean T°

24,0°C

Annual rain

2 622mm

Warmest m°

29,0°C

Coldest m°

19,1°C

Elevation: 412 m on average (min 153 m, max 1 166 m)

Bioclimatic detailsExpert
Annual mean temp.
24,0°C
Annual rain
2 622mm
Warmest month
29,0°C
Coldest month
19,1°C
Mean alt.
412m
Min
153m
Max
1 166m
Std. dev.
284m
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

59,4g/kg

Clay

41,6%

Sand

30,7%

Silt

27,7%

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

Dominant lithology: paGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,2
Org. C
68,6g/kg
Clay
40,2%
Sand
31,9%
Silt
27,9%
5–15 cm
pH H₂O
5,2
Org. C
53,6g/kg
Clay
40,9%
Sand
30,8%
Silt
28,2%
15–30 cm
pH H₂O
5,3
Org. C
56,1g/kg
Clay
43,6%
Sand
29,4%
Silt
27,0%

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

Land cover

Forest80.1%
Crops2.7%
Built-up0.5%
Bare soil0.1%
Other (grassland, water…)16.6%

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

Hydrology3 basins · 0 lakes · 0 rivers

Hydrology metrics for this exact territory

Basins crossed

3

Max drainage

2 513km²

Discharge in basins

3,4m³/s

Mean precip.

3 193mm/an

Mean T°

25,4°C

Moisture idx

0,52

Mean runoff

1 328mm/an

Mean elev. (basins)

321m

Watersheds crossing here

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

Human pressure

Pop. density

3hab/km²

Night light

0,1nW

Built-up

50,7%

Pesticides

11,9kg/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