Ontologia

Division · LKA

Maritimepattu

Sri Lanka

AwTropical, savannah(100 %)

Species observed

228

Observations

1 471

Area

649km²

Ecological tissue

Sample of 28 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 Maritimepattu : 24 espèces reliées par 34 interactions GloBI sur 3 types (connectance 8.4%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
29
Interactions affichées
34
Connectance
0.084
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

228 distinct species · 1 471 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 471 obs · 18 cellules
Obs. / cellule
≥ 419
371–418
52–370
29–51
< 29

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

Climate

Mean T°

27,6°C

Annual rain

1 486mm

Warmest m°

33,2°C

Coldest m°

23,5°C

Elevation: 23 m on average (min -12 m, max 61 m)

Bioclimatic detailsExpert
Annual mean temp.
27,6°C
Annual rain
1 486mm
Warmest month
33,2°C
Coldest month
23,5°C
Mean alt.
23m
Min
-12m
Max
61m
Std. dev.
15m
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

6,0

Org. C

54,3g/kg

Clay

31,1%

Sand

36,4%

Silt

32,4%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,0
Org. C
64,3g/kg
Clay
30,4%
Sand
36,9%
Silt
32,6%
5–15 cm
pH H₂O
6,0
Org. C
51,9g/kg
Clay
30,9%
Sand
36,7%
Silt
32,3%
15–30 cm
pH H₂O
6,0
Org. C
46,6g/kg
Clay
31,9%
Sand
35,7%
Silt
32,4%

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

Land cover

Forest63.2%
Crops17.0%
Built-up0.4%
Bare soil0.9%
Other (grassland, water…)18.5%

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

Hydrology3 basins · 14 lakes · 10 rivers

Hydrology metrics for this exact territory

Stream length here

40,5km

Lake surface here

32,29km²

Basins crossed

3

Max stream order

4

Max drainage

1 655km²

Discharge in basins

1,3m³/s

Mean precip.

1 458mm/an

Mean T°

27,6°C

Moisture idx

0,01

Mean runoff

440mm/an

Mean elev. (basins)

39m

Watersheds crossing here

Lakes (14, top by area)

5 more lakes

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

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

42,7%

Pesticides

12,1kg/km²

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

Protected areas12

IUCN Ib · 11IUCN IV · 1🌊 Marine · 4

Nayaru NR

IUCN Ib

Nature Reserve · 2017

45 km²

Complete list

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