Ontologia

Division · LKA

Koralai Pattu West (Oddamavadi)

Sri Lanka

AwTropical, savannah(100 %)

Species observed

121

Observations

265

Area

174,3km²

Ecological tissue

Sample of 37 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 West (Oddamavadi) : 33 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 37 interactions GloBI sur 3 types (connectance 5.6%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
37
Interactions affichées
37
Connectance
0.056
Patrimoniales
2
Plus dense que (national)0 %(top 100%)

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

Species present

121 distinct species · 265 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

265 obs · 5 cellules
Obs. / cellule
≥ 160
160–159
60–159
34–59
< 34

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 548mm

Warmest m°

34,6°C

Coldest m°

22,5°C

Elevation: 23 m on average (min 2 m, max 53 m)

Bioclimatic detailsExpert
Annual mean temp.
27,8°C
Annual rain
1 548mm
Warmest month
34,6°C
Coldest month
22,5°C
Mean alt.
23m
Min
2m
Max
53m
Std. dev.
13m
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

44,9g/kg

Clay

36,8%

Sand

30,5%

Silt

32,7%

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

Dominant lithology: paGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,1
Org. C
65,0g/kg
Clay
36,5%
Sand
30,8%
Silt
32,7%
5–15 cm
pH H₂O
6,1
Org. C
38,5g/kg
Clay
36,8%
Sand
30,6%
Silt
32,6%
15–30 cm
pH H₂O
6,1
Org. C
31,3g/kg
Clay
37,2%
Sand
30,2%
Silt
32,6%

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

Land cover

Forest32.3%
Crops38.9%
Built-up0.4%
Bare soil0.7%
Other (grassland, water…)27.6%

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

Hydrology2 basins · 4 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

30,5km

Lake surface here

5,19km²

Basins crossed

2

Max stream order

4

Max drainage

1 754km²

Discharge in basins

3,7m³/s

Mean precip.

1 900mm/an

Mean T°

27,0°C

Moisture idx

0,21

Mean runoff

708mm/an

Mean elev. (basins)

83m

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

0hab/km²

Night light

0,3nW

Built-up

42,0%

Pesticides

12,3kg/km²

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

Protected areas3

IUCN Ib · 3

Koralai

IUCN Ib

Reserved Forest · 1929

76 km²

Vakaneri

IUCN Ib

Reserved Forest · 2013

27 km²

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