Ontologia

Division · LKA

Nattandiya

Sri Lanka

AmTropical, monsoon(100 %)

Species observed

284

Observations

751

Area

75,6km²

Ecological tissue

Sample of 29 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 Nattandiya : 27 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 23 interactions GloBI sur 3 types (connectance 5.7%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
29
Interactions affichées
23
Connectance
0.057
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

284 distinct species · 751 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

751 obs · 2 cellules
Obs. / cellule
≥ 391
391–390
391–390
391–390
< 391

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

Climate

Mean T°

27,1°C

Annual rain

1 873mm

Warmest m°

31,4°C

Coldest m°

23,1°C

Elevation: 11 m on average (min 4 m, max 25 m)

Bioclimatic detailsExpert
Annual mean temp.
27,1°C
Annual rain
1 873mm
Warmest month
31,4°C
Coldest month
23,1°C
Mean alt.
11m
Min
4m
Max
25m
Std. dev.
5m
Köppen-Geiger (dominant)
AmTropical, monsoon(100 %)Tropical

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

5,4

Org. C

50,6g/kg

Clay

34,1%

Sand

32,9%

Silt

33,0%

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

Dominant lithology: mtGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,4
Org. C
64,5g/kg
Clay
31,9%
Sand
34,0%
Silt
34,1%
5–15 cm
pH H₂O
5,4
Org. C
54,1g/kg
Clay
32,2%
Sand
33,9%
Silt
33,8%
15–30 cm
pH H₂O
5,4
Org. C
33,1g/kg
Clay
38,2%
Sand
30,7%
Silt
31,2%

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

Land cover

Forest52.3%
Crops14.7%
Built-up4.8%
Bare soil0.3%
Other (grassland, water…)27.9%

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

Hydrology3 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

5,9km

Basins crossed

3

Max stream order

3

Max drainage

778km²

Discharge in basins

2,0m³/s

Mean precip.

1 828mm/an

Mean T°

27,4°C

Moisture idx

0,16

Mean runoff

834mm/an

Mean elev. (basins)

28m

Watersheds crossing here

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

7hab/km²

Night light

1,3nW

Built-up

484,2%

Pesticides

13,0kg/km²

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