Ontologia

District · lka

Polonnaruwa

Sri Lanka

AwTropical, savannah(82 %)

Area

3 438,7km²

Ecological tissue

Graphe en cours d’indexation

Calcul du tissu écologique de cette entité.

Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 2s).

Species present

Computing species observations from GBIF…

Densité d'observations

0 obs · 0 cellules

Source : GBIF — observations agrégées par hexagones 0.2° × 0.2° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

27,5°C

Annual rain

1 411mm

Warmest m°

34,6°C

Coldest m°

20,9°C

Elevation: 72 m on average (min 11 m, max 364 m)

Bioclimatic detailsExpert
Annual mean temp.
27,5°C
Annual rain
1 411mm
Warmest month
34,6°C
Coldest month
20,9°C
Mean alt.
72m
Min
11m
Max
364m
Std. dev.
47m
Köppen-Geiger (dominant)
AwTropical, savannah(82 %)Tropical

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

Soil & lithology

pH H₂O

5,9

Org. C

47,0g/kg

Clay

32,9%

Sand

33,2%

Silt

33,9%

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

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,9
Org. C
65,0g/kg
Clay
32,1%
Sand
33,6%
Silt
34,3%
5–15 cm
pH H₂O
5,9
Org. C
41,3g/kg
Clay
32,8%
Sand
33,5%
Silt
33,7%
15–30 cm
pH H₂O
5,9
Org. C
34,6g/kg
Clay
33,8%
Sand
32,4%
Silt
33,8%

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

Land cover

Forest62.2%
Crops20.0%
Built-up0.6%
Bare soil0.4%
Other (grassland, water…)16.7%

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

Hydrology

Computing basins, lakes, rivers…

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 areas42

IUCN Ib · 24IUCN II · 7IUCN IV · 7IUCN Ia · 3IUCN Not Applicable · 1

Kantalai

IUCN Ib

Reserved Forest · 1902

467 km²

Wasgamuwa

IUCN II

National Park · 1984

392 km²

Complete list

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

Sub-administrations7