Ontologia

Subdivision · IDN

Aek Marian Mg

Indonesia

AfTropical, rainforest(100 %)

Species observed

10

Observations

17

Area

2,5km²

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 · 17 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

17 obs · 1 cellules
Obs. / cellule
≥ 17
17–16
17–16
17–16
< 17

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

Climate

Mean T°

23,8°C

Annual rain

3 955mm

Warmest m°

28,1°C

Coldest m°

19,7°C

Elevation: 532 m on average (min 446 m, max 559 m)

Bioclimatic detailsExpert
Annual mean temp.
23,8°C
Annual rain
3 955mm
Warmest month
28,1°C
Coldest month
19,7°C
Mean alt.
532m
Min
446m
Max
559m
Std. dev.
43m
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

77,9g/kg

Clay

38,8%

Sand

28,4%

Silt

32,8%

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

Dominant lithology: paGLiMaggregated to Mandailing Natal

3 soil depths detailedExpert
0–5 cm
pH H₂O
4,8
Org. C
79,9g/kg
Clay
38,0%
Sand
29,5%
Silt
32,5%
5–15 cm
pH H₂O
4,9
Org. C
55,5g/kg
Clay
38,0%
Sand
28,6%
Silt
33,2%
15–30 cm
pH H₂O
4,9
Org. C
98,4g/kg
Clay
40,4%
Sand
27,0%
Silt
32,7%

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

Land cover

Forest71.1%
Crops11.7%
Built-up1.3%
Bare soil0.0%
Other (grassland, water…)15.9%

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

Hydrology1 basins · 0 lakes · 0 rivers

Hydrology metrics for this exact territory

Basins crossed

1

Max drainage

1 606km²

Discharge in basins

0,1m³/s

Mean precip.

3 343mm/an

Mean T°

22,5°C

Moisture idx

0,51

Mean runoff

1 332mm/an

Mean elev. (basins)

789m

Watersheds crossing here

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

Human pressure

Pop. density

4hab/km²

Built-up

133,1%

Pesticides

0,6kg/km²

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