Ontologia

Division · LKA

Mahiyanganaya

Sri Lanka

AwTropical, savannah(63 %)

Species observed

571

Observations

1 043

Area

622,5km²

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 Mahiyanganaya : 35 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 39 interactions GloBI sur 4 types (connectance 5.0%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
40
Interactions affichées
39
Connectance
0.050
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

571 distinct species · 1 043 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 043 obs · 14 cellules
Obs. / cellule
≥ 426
272–425
46–271
35–45
< 35

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

Climate

Mean T°

27,5°C

Annual rain

1 324mm

Warmest m°

35,3°C

Coldest m°

20,5°C

Elevation: 121 m on average (min 68 m, max 332 m)

Bioclimatic detailsExpert
Annual mean temp.
27,5°C
Annual rain
1 324mm
Warmest month
35,3°C
Coldest month
20,5°C
Mean alt.
121m
Min
68m
Max
332m
Std. dev.
36m
Köppen-Geiger (dominant)
AwTropical, savannah(63 %)Tropical

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

Soil & lithology

pH H₂O

5,7

Org. C

41,6g/kg

Clay

32,6%

Sand

35,7%

Silt

31,6%

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

Dominant lithology: paGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,7
Org. C
58,3g/kg
Clay
31,0%
Sand
36,5%
Silt
32,5%
5–15 cm
pH H₂O
5,7
Org. C
37,1g/kg
Clay
31,9%
Sand
36,3%
Silt
31,8%
15–30 cm
pH H₂O
5,7
Org. C
29,4g/kg
Clay
35,0%
Sand
34,4%
Silt
30,6%

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

Land cover

Forest62.1%
Crops11.3%
Built-up0.6%
Bare soil0.5%
Other (grassland, water…)25.5%

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

Hydrology4 basins · 15 lakes · 13 rivers

Hydrology metrics for this exact territory

Stream length here

78,4km

Lake surface here

38,58km²

Basins crossed

4

Max stream order

5

Max drainage

5 832km²

Discharge in basins

30,3m³/s

Mean precip.

1 990mm/an

Mean T°

25,9°C

Moisture idx

0,23

Mean runoff

768mm/an

Mean elev. (basins)

261m

Watersheds crossing here

Lakes (15, top by area)

6 more lakes

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

Human pressure

Pop. density

1hab/km²

Night light

0,1nW

Built-up

61,7%

Pesticides

11,8kg/km²

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

Protected areas6

IUCN Ib · 3IUCN II · 1IUCN Not Reported · 1IUCN IV · 1

Nelugala

IUCN Not Reported

Jungle Corridor · 1970

93 km²

Riverine

IUCN IV

Nature Reserve · 1991

17 km²

Mewagala

IUCN Ib

Reserved Forest · 2012

5 km²

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