Ontologia

Commune · IDN

Sijamapolang

Indonesia

AfTropical, rainforest(96 %)

Species observed

8

Observations

10

Area

156,3km²

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

8 distinct species · 10 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

10 obs · 1 cellules
Obs. / cellule
≥ 10
10–9
10–9
10–9
< 10

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

Climate

Mean T°

20,1°C

Annual rain

4 500mm

Warmest m°

23,9°C

Coldest m°

16,1°C

Elevation: 1 185 m on average (min 730 m, max 1 595 m)

Bioclimatic detailsExpert
Annual mean temp.
20,1°C
Annual rain
4 500mm
Warmest month
23,9°C
Coldest month
16,1°C
Mean alt.
1 185m
Min
730m
Max
1 595m
Std. dev.
226m
Köppen-Geiger (dominant)
AfTropical, rainforest(96 %)Tropical

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

Soil & lithology

pH H₂O

5,0

Org. C

64,6g/kg

Clay

34,6%

Sand

35,1%

Silt

30,3%

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

Dominant lithology: mtGLiMaggregated to Humbang Hasundutan

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,0
Org. C
85,8g/kg
Clay
35,0%
Sand
34,8%
Silt
30,2%
5–15 cm
pH H₂O
5,0
Org. C
74,0g/kg
Clay
34,3%
Sand
35,2%
Silt
30,5%
15–30 cm
pH H₂O
5,0
Org. C
34,0g/kg
Clay
34,4%
Sand
35,4%
Silt
30,1%

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

Land cover

Forest77.9%
Crops6.6%
Built-up0.1%
Bare soil0.1%
Other (grassland, water…)15.3%

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

Hydrology1 basins · 0 lakes · 10 rivers

Hydrology metrics for this exact territory

Stream length here

63,5km

Basins crossed

1

Max stream order

3

Max drainage

1 170km²

Discharge in basins

8,8m³/s

Mean precip.

2 664mm/an

Mean T°

21,6°C

Moisture idx

0,40

Mean runoff

1 474mm/an

Mean elev. (basins)

934m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

14,9%

Pesticides

0,7kg/km²

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

Sub-administrations8