Ontologia

Division · LKA

Koralai Pattu North

Sri Lanka

AwTropical, savannah(100 %)

Species observed

80

Observations

333

Area

516,8km²

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 Koralai Pattu North : 22 espèces reliées par 25 interactions GloBI sur 3 types (connectance 7.7%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
26
Interactions affichées
25
Connectance
0.077
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

80 distinct species · 333 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

333 obs · 7 cellules
Obs. / cellule
≥ 92
92–91
74–91
25–73
< 25

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

Climate

Mean T°

27,8°C

Annual rain

1 532mm

Warmest m°

34,1°C

Coldest m°

23,3°C

Elevation: 12 m on average (min -8 m, max 38 m)

Bioclimatic detailsExpert
Annual mean temp.
27,8°C
Annual rain
1 532mm
Warmest month
34,1°C
Coldest month
23,3°C
Mean alt.
12m
Min
-8m
Max
38m
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

6,1

Org. C

51,9g/kg

Clay

35,3%

Sand

31,4%

Silt

33,3%

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

Dominant lithology: mtGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,1
Org. C
69,4g/kg
Clay
34,6%
Sand
31,9%
Silt
33,5%
5–15 cm
pH H₂O
6,1
Org. C
48,2g/kg
Clay
35,3%
Sand
31,4%
Silt
33,2%
15–30 cm
pH H₂O
6,1
Org. C
38,2g/kg
Clay
36,0%
Sand
30,9%
Silt
33,1%

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

Land cover

Forest40.2%
Crops24.4%
Built-up0.3%
Bare soil1.4%
Other (grassland, water…)33.7%

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

Hydrology2 basins · 13 lakes · 0 rivers

Hydrology metrics for this exact territory

Lake surface here

5,85km²

Basins crossed

2

Max drainage

1 754km²

Discharge in basins

2,2m³/s

Mean precip.

1 703mm/an

Mean T°

27,6°C

Moisture idx

0,15

Mean runoff

648mm/an

Mean elev. (basins)

21m

Watersheds crossing here

Lakes (13, top by area)

4 more lakes

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

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

31,1%

Pesticides

12,3kg/km²

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

Protected areas7

IUCN Ib · 4IUCN IV · 3🌊 Marine · 2

Koralai

IUCN Ib

Reserved Forest · 1929

76 km²

Vakaneri

IUCN Ib

Reserved Forest · 2013

27 km²

Complete list

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