Ontologia

Subdivision · IDN

Sigalangan

Indonesia

AfTropical, rainforest(100 %)

Species observed

1

Observations

1

Area

39,2km²

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

1 distinct species · 1 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 obs · 1 cellules
Obs. / cellule
≥ 1
1–0
1–0
1–0
< 1

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

Climate

Mean T°

24,5°C

Annual rain

3 925mm

Warmest m°

28,8°C

Coldest m°

20,4°C

Elevation: 307 m on average (min 10 m, max 988 m)

Bioclimatic detailsExpert
Annual mean temp.
24,5°C
Annual rain
3 925mm
Warmest month
28,8°C
Coldest month
20,4°C
Mean alt.
307m
Min
10m
Max
988m
Std. dev.
249m
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

62,5g/kg

Clay

39,4%

Sand

31,9%

Silt

28,8%

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
75,9g/kg
Clay
37,9%
Sand
32,8%
Silt
29,4%
5–15 cm
pH H₂O
4,7
Org. C
57,6g/kg
Clay
38,7%
Sand
32,2%
Silt
29,1%
15–30 cm
pH H₂O
4,8
Org. C
54,0g/kg
Clay
41,6%
Sand
30,6%
Silt
27,8%

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

Land cover

Forest89.0%
Crops2.3%
Built-up0.1%
Bare soil0.0%
Other (grassland, water…)8.5%

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

Hydrology3 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Basins crossed

3

Max stream order

4

Max drainage

3 425km²

Discharge in basins

4,9m³/s

Mean precip.

3 033mm/an

Mean T°

24,5°C

Moisture idx

0,44

Mean runoff

1 572mm/an

Mean elev. (basins)

414m

Watersheds crossing here

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

1hab/km²

Night light

0,1nW

Built-up

12,1%

Pesticides

0,6kg/km²

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