Ontologia

Subdivision · IDN

Onan Ganjang

Indonesia

AfTropical, rainforest(100 %)

Species observed

4

Observations

9

Area

8,8km²

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

4 distinct species · 9 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

9 obs · 1 cellules
Obs. / cellule
≥ 9
9–8
9–8
9–8
< 9

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

Climate

Mean T°

20,4°C

Annual rain

5 032mm

Warmest m°

24,2°C

Coldest m°

16,5°C

Elevation: 1 103 m on average (min 961 m, max 1 243 m)

Bioclimatic detailsExpert
Annual mean temp.
20,4°C
Annual rain
5 032mm
Warmest month
24,2°C
Coldest month
16,5°C
Mean alt.
1 103m
Min
961m
Max
1 243m
Std. dev.
59m
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

5,0

Org. C

57,5g/kg

Clay

35,4%

Sand

36,0%

Silt

28,7%

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

Dominant lithology: mtGLiMaggregated to Humbang Hasundutan

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,0
Org. C
79,1g/kg
Clay
35,3%
Sand
36,0%
Silt
28,7%
5–15 cm
pH H₂O
5,0
Org. C
62,7g/kg
Clay
35,1%
Sand
36,0%
Silt
28,9%
15–30 cm
pH H₂O
5,0
Org. C
30,7g/kg
Clay
35,7%
Sand
35,9%
Silt
28,5%

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

Land cover

Forest63.2%
Crops13.4%
Built-up0.6%
Bare soil0.1%
Other (grassland, water…)22.7%

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

Hydrology2 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

1,8km

Basins crossed

2

Max stream order

2

Max drainage

1 170km²

Discharge in basins

0,3m³/s

Mean precip.

2 982mm/an

Mean T°

23,0°C

Moisture idx

0,45

Mean runoff

1 403mm/an

Mean elev. (basins)

674m

Watersheds crossing here

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

2hab/km²

Built-up

61,5%

Pesticides

0,7kg/km²

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