Ontologia

District · lka

Matara

Sri Lanka

AfTropical, rainforest(100 %)

Species observed

1 385

Observations

149 625

Area

1 301,2km²

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 Matara : 24 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 31 interactions GloBI sur 3 types (connectance 7.6%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
29
Interactions affichées
31
Connectance
0.076
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

1 385 distinct species · 149 625 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

149 625 obs · 33 cellules
Obs. / cellule
≥ 84 105
7 762–84 104
2 169–7 761
417–2 168
< 417

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

Climate

Mean T°

25,8°C

Annual rain

2 250mm

Warmest m°

30,2°C

Coldest m°

21,8°C

Elevation: 147 m on average (min -17 m, max 1 116 m)

Bioclimatic detailsExpert
Annual mean temp.
25,8°C
Annual rain
2 250mm
Warmest month
30,2°C
Coldest month
21,8°C
Mean alt.
147m
Min
-17m
Max
1 116m
Std. dev.
170m
Köppen-Geiger (dominant)
AfTropical, rainforest(100 %)Tropical

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

Soil & lithology

pH H₂O

5,2

Org. C

57,7g/kg

Clay

38,8%

Sand

33,8%

Silt

27,4%

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

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,2
Org. C
63,8g/kg
Clay
37,5%
Sand
35,1%
Silt
27,3%
5–15 cm
pH H₂O
5,2
Org. C
53,2g/kg
Clay
38,0%
Sand
34,1%
Silt
27,9%
15–30 cm
pH H₂O
5,3
Org. C
55,9g/kg
Clay
40,7%
Sand
32,2%
Silt
27,1%

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

Land cover

Forest68.8%
Crops6.7%
Built-up1.9%
Bare soil0.2%
Other (grassland, water…)22.3%

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

Hydrology8 basins · 2 lakes · 5 rivers

Hydrology metrics for this exact territory

Stream length here

120,9km

Lake surface here

0,63km²

Basins crossed

8

Max stream order

4

Max drainage

2 513km²

Discharge in basins

54,5m³/s

Mean precip.

2 609mm/an

Mean T°

26,3°C

Moisture idx

0,47

Mean runoff

1 270mm/an

Mean elev. (basins)

130m

Watersheds crossing here

Lakes (2, top by area)

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

Human pressure

Pop. density

6hab/km²

Night light

0,4nW

Built-up

189,9%

Pesticides

12,9kg/km²

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

Protected areas27

IUCN Ib · 17IUCN Ia · 4IUCN Not Applicable · 3IUCN Not Reported · 2IUCN IV · 1

Sinharaja

IUCN Not Reported

Reserved Forest · 1934

65 km²

Kanneliya

IUCN Ib

Reserved Forest · 1934

61 km²

Complete list

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

Sub-administrations16