Ontologia

Division · LKA

Hambantota

Sri Lanka

AwTropical, savannah(98 %)

Species observed

1 521

Observations

7 244

Area

326,5km²

Ecological tissue

Sample of 30 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 Hambantota : 25 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 32 interactions GloBI sur 4 types (connectance 7.4%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
30
Interactions affichées
32
Connectance
0.074
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

1 521 distinct species · 7 244 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

7 244 obs · 6 cellules
Obs. / cellule
≥ 3 017
3 017–3 016
2 213–3 016
1 221–2 212
< 1 221

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

Climate

Mean T°

27,2°C

Annual rain

1 052mm

Warmest m°

31,3°C

Coldest m°

22,9°C

Elevation: 25 m on average (min -10 m, max 81 m)

Bioclimatic detailsExpert
Annual mean temp.
27,2°C
Annual rain
1 052mm
Warmest month
31,3°C
Coldest month
22,9°C
Mean alt.
25m
Min
-10m
Max
81m
Std. dev.
18m
Köppen-Geiger (dominant)
AwTropical, savannah(98 %)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

32,9g/kg

Clay

35,5%

Sand

37,7%

Silt

26,8%

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
47,1g/kg
Clay
34,5%
Sand
38,6%
Silt
26,9%
5–15 cm
pH H₂O
6,1
Org. C
26,8g/kg
Clay
34,4%
Sand
38,4%
Silt
27,2%
15–30 cm
pH H₂O
6,1
Org. C
25,0g/kg
Clay
37,6%
Sand
36,0%
Silt
26,4%

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

Land cover

Forest33.7%
Crops27.4%
Built-up1.3%
Bare soil1.5%
Other (grassland, water…)36.1%

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

Hydrology2 basins · 17 lakes · 18 rivers

Hydrology metrics for this exact territory

Stream length here

55,7km

Lake surface here

20,59km²

Basins crossed

2

Max stream order

5

Max drainage

2 513km²

Discharge in basins

2,2m³/s

Mean precip.

1 392mm/an

Mean T°

26,1°C

Moisture idx

-0,07

Mean runoff

790mm/an

Mean elev. (basins)

189m

Watersheds crossing here

Lakes (17, top by area)

8 more lakes

Rivers / streams (18, ord ≥ 4)

6 more river segments

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

Human pressure

Pop. density

2hab/km²

Night light

1,5nW

Built-up

132,7%

Pesticides

12,6kg/km²

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

Protected areas5

IUCN Ib · 1IUCN Not Reported · 1IUCN Not Applicable · 1IUCN II · 1IUCN IV · 1🌊 Marine · 4

Bundala

IUCN Not Reported

Wetland of International Importance (Ramsar Site) · 1990

50 km²

Bundala

IUCN Not Applicable

UNESCO-MAB Biosphere Reserve · 2005

47 km²

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