Ontologia

Subdivision · IDN

Siantarasa

Indonesia

AfTropical, rainforest(100 %)

Species observed

0

Observations

0

Area

33,9km²

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

0 distinct species · 0 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

0 obs · 0 cellules

Aucune observation géoréférencée précise (<10 km) dans ce territoire.

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

Climate

Mean T°

24,3°C

Annual rain

3 450mm

Warmest m°

28,6°C

Coldest m°

19,9°C

Elevation: 443 m on average (min 270 m, max 687 m)

Bioclimatic detailsExpert
Annual mean temp.
24,3°C
Annual rain
3 450mm
Warmest month
28,6°C
Coldest month
19,9°C
Mean alt.
443m
Min
270m
Max
687m
Std. dev.
92m
Köppen-Geiger (dominant)
AfTropical, rainforest(100 %)Tropical

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

Soil & lithology

pH H₂O

4,7

Org. C

41,3g/kg

Clay

36,8%

Sand

37,7%

Silt

25,5%

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
4,7
Org. C
55,5g/kg
Clay
35,5%
Sand
38,5%
Silt
25,9%
5–15 cm
pH H₂O
4,7
Org. C
41,3g/kg
Clay
35,6%
Sand
38,4%
Silt
25,9%
15–30 cm
pH H₂O
4,8
Org. C
26,9g/kg
Clay
39,1%
Sand
36,2%
Silt
24,6%

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

Land cover

Forest93.8%
Crops1.4%
Built-up0.0%
Bare soil0.1%
Other (grassland, water…)4.7%

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

Hydrology1 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

12,2km

Basins crossed

1

Max stream order

4

Max drainage

3 278km²

Discharge in basins

1,1m³/s

Mean precip.

2 369mm/an

Mean T°

24,6°C

Moisture idx

0,31

Mean runoff

1 078mm/an

Mean elev. (basins)

393m

Watersheds crossing here

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

0hab/km²

Night light

0,2nW

Built-up

3,8%

Pesticides

0,6kg/km²

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

Protected areas1

IUCN IV · 1

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