Ontologia

Division · LKA

Manthai West

Sri Lanka

AwTropical, savannah(100 %)

Species observed

235

Observations

3 868

Area

612,7km²

Ecological tissue

Sample of 24 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 Manthai West : 19 espèces reliées par 30 interactions GloBI sur 3 types (connectance 10.9%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
24
Interactions affichées
30
Connectance
0.109
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

235 distinct species · 3 868 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

3 868 obs · 11 cellules
Obs. / cellule
≥ 2 912
430–2 911
137–429
73–136
< 73

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 157mm

Warmest m°

32,3°C

Coldest m°

22,6°C

Elevation: 15 m on average (min -4 m, max 40 m)

Bioclimatic detailsExpert
Annual mean temp.
27,7°C
Annual rain
1 157mm
Warmest month
32,3°C
Coldest month
22,6°C
Mean alt.
15m
Min
-4m
Max
40m
Std. dev.
11m
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

47,7g/kg

Clay

31,5%

Sand

39,6%

Silt

28,9%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,1
Org. C
60,3g/kg
Clay
30,8%
Sand
40,2%
Silt
29,0%
5–15 cm
pH H₂O
6,1
Org. C
42,5g/kg
Clay
31,5%
Sand
39,8%
Silt
28,7%
15–30 cm
pH H₂O
6,1
Org. C
40,2g/kg
Clay
32,3%
Sand
38,7%
Silt
29,0%

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

Land cover

Forest55.4%
Crops25.4%
Built-up0.2%
Bare soil1.5%
Other (grassland, water…)17.5%

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

Hydrology4 basins · 4 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

31,1km

Lake surface here

2,51km²

Basins crossed

4

Max stream order

3

Max drainage

3 345km²

Discharge in basins

1,9m³/s

Mean precip.

1 279mm/an

Mean T°

27,6°C

Moisture idx

-0,08

Mean runoff

325mm/an

Mean elev. (basins)

36m

Watersheds crossing here

Lakes (4, top by area)

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

16,1%

Pesticides

11,7kg/km²

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

Protected areas10

IUCN Ib · 8IUCN IV · 2🌊 Marine · 2

Maduroad

IUCN Ib

Reserved Forest · 2012

519 km²

Thunukkai

IUCN Ib

Reserved Forest · 2012

254 km²

Complete list

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