Ontologia

Commune · IDN

Sianjur Mulamula

Indonesia

AfTropical, rainforest(52 %)

Species observed

17

Observations

22

Area

138,2km²

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

17 distinct species · 22 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

22 obs · 3 cellules
Obs. / cellule
≥ 15
15–14
15–14
6–14
< 6

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

Climate

Mean T°

19,2°C

Annual rain

2 695mm

Warmest m°

22,8°C

Coldest m°

15,1°C

Elevation: 1 451 m on average (min 902 m, max 1 801 m)

Bioclimatic detailsExpert
Annual mean temp.
19,2°C
Annual rain
2 695mm
Warmest month
22,8°C
Coldest month
15,1°C
Mean alt.
1 451m
Min
902m
Max
1 801m
Std. dev.
289m
Köppen-Geiger (dominant)
AfTropical, rainforest(52 %)Tropical

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

Soil & lithology

pH H₂O

4,9

Org. C

60,7g/kg

Clay

35,4%

Sand

36,4%

Silt

28,1%

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

Dominant lithology: viGLiMaggregated to Samosir

3 soil depths detailedExpert
0–5 cm
pH H₂O
4,9
Org. C
79,5g/kg
Clay
35,3%
Sand
36,5%
Silt
28,1%
5–15 cm
pH H₂O
4,9
Org. C
64,0g/kg
Clay
34,7%
Sand
36,9%
Silt
28,4%
15–30 cm
pH H₂O
5,0
Org. C
38,7g/kg
Clay
36,3%
Sand
35,9%
Silt
27,8%

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

Land cover

Forest58.2%
Crops13.9%
Built-up0.2%
Bare soil0.3%
Other (grassland, water…)27.3%

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

Hydrology4 basins · 1 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

26,2km

Lake surface here

0,36km²

Basins crossed

4

Max stream order

2

Max drainage

1 864km²

Discharge in basins

4,8m³/s

Mean precip.

2 265mm/an

Mean T°

20,3°C

Moisture idx

0,34

Mean runoff

1 109mm/an

Mean elev. (basins)

1 186m

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

20,9%

Pesticides

0,6kg/km²

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

Sub-administrations9