Ontologia

Subdivision · IDN

Janji Martahan

Indonesia

AfTropical, rainforest(50 %)

Species observed

21

Observations

26

Area

5,9km²

Ecological tissue

Not enough documented interactions to build a meaningful graph for this territory.

Species present

21 distinct species · 26 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

26 obs · 1 cellules
Obs. / cellule
≥ 26
26–25
26–25
26–25
< 26

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

Climate

Mean T°

19,0°C

Annual rain

2 667mm

Warmest m°

22,6°C

Coldest m°

15,0°C

Elevation: 1 521 m on average (min 919 m, max 1 925 m)

Bioclimatic detailsExpert
Annual mean temp.
19,0°C
Annual rain
2 667mm
Warmest month
22,6°C
Coldest month
15,0°C
Mean alt.
1 521m
Min
919m
Max
1 925m
Std. dev.
337m
Köppen-Geiger (dominant)
AfTropical, rainforest(50 %)Tropical

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

5,2

Org. C

67,9g/kg

Clay

32,0%

Sand

35,7%

Silt

32,2%

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

Dominant lithology: viGLiMaggregated to Samosir

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,1
Org. C
90,7g/kg
Clay
32,1%
Sand
35,6%
Silt
32,3%
5–15 cm
pH H₂O
5,2
Org. C
73,1g/kg
Clay
31,5%
Sand
36,0%
Silt
32,5%
15–30 cm
pH H₂O
5,2
Org. C
39,7g/kg
Clay
32,5%
Sand
35,7%
Silt
31,8%

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

Land cover

Forest35.4%
Crops18.8%
Built-up0.2%
Bare soil0.2%
Other (grassland, water…)45.4%

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

Hydrology1 basins · 1 lakes · 0 rivers

Hydrology metrics for this exact territory

Lake surface here

0,00km²

Basins crossed

1

Max drainage

1 416km²

Discharge in basins

0,2m³/s

Mean precip.

2 162mm/an

Mean T°

19,8°C

Moisture idx

0,32

Mean runoff

1 213mm/an

Mean elev. (basins)

1 285m

Watersheds crossing here

Lakes (1, top by area)

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

Human pressure

Pop. density

0hab/km²

Built-up

15,5%

Pesticides

0,6kg/km²

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