Ontologia

Subdivision · IDN

Dolok Merangir Dua

Indonesia

AfTropical, rainforest(100 %)

Species observed

10

Observations

12

Area

7,3km²

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

10 distinct species · 12 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

12 obs · 1 cellules
Obs. / cellule
≥ 12
12–11
12–11
12–11
< 12

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

Climate

Mean T°

25,9°C

Annual rain

2 922mm

Warmest m°

30,0°C

Coldest m°

21,2°C

Elevation: 131 m on average (min 113 m, max 153 m)

Bioclimatic detailsExpert
Annual mean temp.
25,9°C
Annual rain
2 922mm
Warmest month
30,0°C
Coldest month
21,2°C
Mean alt.
131m
Min
113m
Max
153m
Std. dev.
10m
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

50,4g/kg

Clay

35,6%

Sand

33,2%

Silt

31,1%

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

Dominant lithology: viGLiMaggregated to Simalungun

3 soil depths detailedExpert
0–5 cm
pH H₂O
4,9
Org. C
61,4g/kg
Clay
35,1%
Sand
34,3%
Silt
30,7%
5–15 cm
pH H₂O
5,0
Org. C
47,0g/kg
Clay
35,6%
Sand
32,9%
Silt
31,4%
15–30 cm
pH H₂O
5,0
Org. C
42,7g/kg
Clay
36,1%
Sand
32,6%
Silt
31,3%

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

Land cover

Forest61.8%
Crops1.9%
Built-up0.5%
Bare soil0.0%
Other (grassland, water…)35.8%

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

Hydrology2 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

2,6km

Basins crossed

2

Max stream order

1

Max drainage

1 230km²

Discharge in basins

0,3m³/s

Mean precip.

2 487mm/an

Mean T°

25,6°C

Moisture idx

0,33

Mean runoff

1 223mm/an

Mean elev. (basins)

216m

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

0,4nW

Built-up

52,4%

Pesticides

0,6kg/km²

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