Ontologia

Subdivision · IDN

Aek Raja

Indonesia

AfTropical, rainforest(100 %)

Species observed

0

Observations

0

Area

21,1km²

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°

23,9°C

Annual rain

3 968mm

Warmest m°

28,2°C

Coldest m°

19,9°C

Elevation: 432 m on average (min 17 m, max 1 133 m)

Bioclimatic detailsExpert
Annual mean temp.
23,9°C
Annual rain
3 968mm
Warmest month
28,2°C
Coldest month
19,9°C
Mean alt.
432m
Min
17m
Max
1 133m
Std. dev.
346m
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

62,9g/kg

Clay

38,6%

Sand

33,2%

Silt

28,2%

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
4,8
Org. C
78,0g/kg
Clay
37,8%
Sand
33,6%
Silt
28,5%
5–15 cm
pH H₂O
4,8
Org. C
57,3g/kg
Clay
38,3%
Sand
33,4%
Silt
28,3%
15–30 cm
pH H₂O
4,8
Org. C
53,4g/kg
Clay
39,6%
Sand
32,6%
Silt
27,8%

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

Land cover

Forest97.4%
Crops0.4%
Built-up0.0%
Bare soil0.0%
Other (grassland, water…)2.1%

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

Hydrology2 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

1,6km

Basins crossed

2

Max stream order

5

Max drainage

3 425km²

Discharge in basins

3,2m³/s

Mean precip.

3 043mm/an

Mean T°

24,3°C

Moisture idx

0,44

Mean runoff

1 555mm/an

Mean elev. (basins)

439m

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

0,0nW

Built-up

1,9%

Pesticides

0,6kg/km²

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