Ontologia

Commune · IDN

Porsea

Indonesia

AfTropical, rainforest(98 %)

Species observed

4

Observations

5

Area

50,1km²

Partial data for this territory

Few observations recorded here. Real biodiversity is likely richer.

Ecological tissue

Not enough documented interactions to build a meaningful graph for this territory.

Species present

4 distinct species · 5 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

5 obs · 1 cellules
Obs. / cellule
≥ 5
5–4
5–4
5–4
< 5

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

Climate

Mean T°

22,1°C

Annual rain

2 945mm

Warmest m°

25,9°C

Coldest m°

18,2°C

Elevation: 980 m on average (min 901 m, max 1 510 m)

Bioclimatic detailsExpert
Annual mean temp.
22,1°C
Annual rain
2 945mm
Warmest month
25,9°C
Coldest month
18,2°C
Mean alt.
980m
Min
901m
Max
1 510m
Std. dev.
104m
Köppen-Geiger (dominant)
AfTropical, rainforest(98 %)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

47,0g/kg

Clay

36,6%

Sand

32,6%

Silt

30,8%

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

Dominant lithology: smGLiMaggregated to Toba Samosir

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,1
Org. C
62,6g/kg
Clay
36,6%
Sand
32,7%
Silt
30,7%
5–15 cm
pH H₂O
5,2
Org. C
52,0g/kg
Clay
36,3%
Sand
32,8%
Silt
30,9%
15–30 cm
pH H₂O
5,2
Org. C
26,3g/kg
Clay
36,9%
Sand
32,2%
Silt
30,8%

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

Land cover

Forest40.1%
Crops28.4%
Built-up1.2%
Bare soil0.1%
Other (grassland, water…)30.2%

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

Hydrology2 basins · 1 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

5,9km

Lake surface here

0,14km²

Basins crossed

2

Max stream order

5

Max drainage

4 302km²

Discharge in basins

6,3m³/s

Mean precip.

2 199mm/an

Mean T°

21,7°C

Moisture idx

0,30

Mean runoff

1 246mm/an

Mean elev. (basins)

915m

Watersheds crossing here

Lakes (1, top by area)

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

3hab/km²

Night light

0,3nW

Built-up

122,0%

Pesticides

0,6kg/km²

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

Sub-administrations15