Ontologia

Division · LKA

Damana

Sri Lanka

AmTropical, monsoon(99 %)

Species observed

235

Observations

1 545

Area

402km²

Ecological tissue

Sample of 40 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 Damana : 36 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 29 interactions GloBI sur 3 types (connectance 3.5%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
41
Interactions affichées
29
Connectance
0.035
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

235 distinct species · 1 545 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 545 obs · 7 cellules
Obs. / cellule
≥ 1 107
1 107–1 106
132–1 106
42–131
< 42

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

Climate

Mean T°

27,4°C

Annual rain

1 576mm

Warmest m°

34,6°C

Coldest m°

21,8°C

Elevation: 72 m on average (min 21 m, max 412 m)

Bioclimatic detailsExpert
Annual mean temp.
27,4°C
Annual rain
1 576mm
Warmest month
34,6°C
Coldest month
21,8°C
Mean alt.
72m
Min
21m
Max
412m
Std. dev.
37m
Köppen-Geiger (dominant)
AmTropical, monsoon(99 %)Tropical

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

Soil & lithology

pH H₂O

5,6

Org. C

38,6g/kg

Clay

34,2%

Sand

35,9%

Silt

29,9%

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

Dominant lithology: paGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,6
Org. C
55,4g/kg
Clay
32,6%
Sand
37,0%
Silt
30,5%
5–15 cm
pH H₂O
5,6
Org. C
34,7g/kg
Clay
33,3%
Sand
36,3%
Silt
30,3%
15–30 cm
pH H₂O
5,7
Org. C
25,8g/kg
Clay
36,7%
Sand
34,3%
Silt
28,9%

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

Land cover

Forest62.2%
Crops14.4%
Built-up0.4%
Bare soil0.6%
Other (grassland, water…)22.4%

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

Hydrology2 basins · 6 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

40,8km

Lake surface here

30,15km²

Basins crossed

2

Max stream order

4

Max drainage

3 992km²

Discharge in basins

5,6m³/s

Mean precip.

1 764mm/an

Mean T°

26,4°C

Moisture idx

0,14

Mean runoff

674mm/an

Mean elev. (basins)

152m

Watersheds crossing here

Lakes (6, top by area)

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

Human pressure

Pop. density

1hab/km²

Night light

0,1nW

Built-up

41,6%

Pesticides

12,4kg/km²

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

Protected areas4

IUCN IV · 2IUCN Ib · 1IUCN II · 1

Gal Oya

IUCN II

National Park · 1954

343 km²

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