Ontologia

Division · LKA

Oddusuddan

Sri Lanka

AwTropical, savannah(100 %)

Species observed

107

Observations

268

Area

726,2km²

Ecological tissue

Sample of 39 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 Oddusuddan : 36 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 32 interactions GloBI sur 3 types (connectance 4.3%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
39
Interactions affichées
32
Connectance
0.043
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

107 distinct species · 268 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

268 obs · 14 cellules
Obs. / cellule
≥ 116
55–115
9–54
3–8
< 3

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

Climate

Mean T°

27,7°C

Annual rain

1 415mm

Warmest m°

33,6°C

Coldest m°

22,2°C

Elevation: 47 m on average (min 12 m, max 75 m)

Bioclimatic detailsExpert
Annual mean temp.
27,7°C
Annual rain
1 415mm
Warmest month
33,6°C
Coldest month
22,2°C
Mean alt.
47m
Min
12m
Max
75m
Std. dev.
12m
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

5,9

Org. C

52,3g/kg

Clay

30,9%

Sand

39,2%

Silt

29,9%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,8
Org. C
62,6g/kg
Clay
30,1%
Sand
39,7%
Silt
30,1%
5–15 cm
pH H₂O
5,9
Org. C
48,8g/kg
Clay
30,9%
Sand
39,5%
Silt
29,7%
15–30 cm
pH H₂O
5,9
Org. C
45,4g/kg
Clay
31,7%
Sand
38,5%
Silt
29,7%

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

Land cover

Forest71.1%
Crops9.8%
Built-up0.3%
Bare soil0.7%
Other (grassland, water…)18.2%

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

Hydrology3 basins · 7 lakes · 7 rivers

Hydrology metrics for this exact territory

Stream length here

99,4km

Lake surface here

36,06km²

Basins crossed

3

Max stream order

3

Max drainage

1 876km²

Discharge in basins

3,0m³/s

Mean precip.

1 421mm/an

Mean T°

27,6°C

Moisture idx

-0,01

Mean runoff

411mm/an

Mean elev. (basins)

44m

Watersheds crossing here

Lakes (7, top by area)

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

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

26,5%

Pesticides

11,9kg/km²

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

Protected areas15

IUCN Ib · 15

Thunukkai

IUCN Ib

Reserved Forest · 2012

254 km²

Iranamadu

IUCN Ib

Reserved Forest · 1930

81 km²

Complete list

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