Ontologia

Subdivision · IDN

Aek Najaji

Indonesia

AfTropical, rainforest(100 %)

Species observed

5

Observations

5

Area

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

5 distinct species · 5 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

5 obs · 1 cellules
Obs. / cellule
≥ 5
5–4
5–4
5–4
< 5

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

Climate

Mean T°

24,2°C

Annual rain

3 478mm

Warmest m°

28,5°C

Coldest m°

20,0°C

Elevation: 400 m on average (min 396 m, max 474 m)

Bioclimatic detailsExpert
Annual mean temp.
24,2°C
Annual rain
3 478mm
Warmest month
28,5°C
Coldest month
20,0°C
Mean alt.
400m
Min
396m
Max
474m
Std. dev.
17m
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

4,9

Org. C

42,8g/kg

Clay

39,0%

Sand

31,9%

Silt

29,1%

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

Dominant lithology: viGLiMaggregated to Padangsidimpuan

3 soil depths detailedExpert
0–5 cm
pH H₂O
4,8
Org. C
60,2g/kg
Clay
37,3%
Sand
33,0%
Silt
29,7%
5–15 cm
pH H₂O
4,8
Org. C
43,2g/kg
Clay
37,6%
Sand
32,9%
Silt
29,6%
15–30 cm
pH H₂O
4,9
Org. C
25,0g/kg
Clay
42,1%
Sand
29,9%
Silt
28,0%

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

Land cover

Forest70.5%
Crops6.5%
Built-up0.2%
Bare soil0.0%
Other (grassland, water…)22.7%

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

Hydrology1 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

0,6km

Basins crossed

1

Max stream order

2

Max drainage

1 017km²

Discharge in basins

0,0m³/s

Mean precip.

2 716mm/an

Mean T°

23,8°C

Moisture idx

0,39

Mean runoff

1 457mm/an

Mean elev. (basins)

538m

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

20,6%

Pesticides

0,7kg/km²

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