Ontologia

Subdivision · IDN

Siantar Tua

Indonesia

AfTropical, rainforest(100 %)

Species observed

2

Observations

2

Area

7,8km²

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

2 distinct species · 2 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 obs · 1 cellules
Obs. / cellule
≥ 2
2–1
2–1
2–1
< 2

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

Climate

Mean T°

21,7°C

Annual rain

3 917mm

Warmest m°

26,2°C

Coldest m°

17,4°C

Elevation: 854 m on average (min 825 m, max 904 m)

Bioclimatic detailsExpert
Annual mean temp.
21,7°C
Annual rain
3 917mm
Warmest month
26,2°C
Coldest month
17,4°C
Mean alt.
854m
Min
825m
Max
904m
Std. dev.
26m
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

4,8

Org. C

42,4g/kg

Clay

40,6%

Sand

31,3%

Silt

28,1%

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

Dominant lithology: smGLiMaggregated to Tapanuli Selatan

3 soil depths detailedExpert
0–5 cm
pH H₂O
4,7
Org. C
57,0g/kg
Clay
40,1%
Sand
31,8%
Silt
28,0%
5–15 cm
pH H₂O
4,8
Org. C
46,0g/kg
Clay
39,8%
Sand
31,8%
Silt
28,4%
15–30 cm
pH H₂O
4,8
Org. C
24,2g/kg
Clay
42,0%
Sand
30,2%
Silt
27,8%

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

Land cover

Forest97.9%
Crops0.2%
Built-up0.0%
Bare soil0.0%
Other (grassland, water…)1.9%

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

Hydrology1 basins · 0 lakes · 0 rivers

Hydrology metrics for this exact territory

Basins crossed

1

Max drainage

3 407km²

Discharge in basins

0,4m³/s

Mean precip.

2 541mm/an

Mean T°

21,8°C

Moisture idx

0,37

Mean runoff

1 539mm/an

Mean elev. (basins)

899m

Watersheds crossing here

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

Human pressure

Pesticides

0,6kg/km²

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

Protected areas1

IUCN Ia · 1

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