Ontologia

Commune · IDN

Rokan Iv Koto

Indonesia

AfTropical, rainforest(100 %)

Species observed

19

Observations

24

Area

1 007,4km²

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

19 distinct species · 24 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

24 obs · 8 cellules
Obs. / cellule
≥ 8
8–7
3–7
3–2
< 3

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

Climate

Mean T°

25,2°C

Annual rain

3 252mm

Warmest m°

29,8°C

Coldest m°

20,8°C

Elevation: 244 m on average (min 62 m, max 889 m)

Bioclimatic detailsExpert
Annual mean temp.
25,2°C
Annual rain
3 252mm
Warmest month
29,8°C
Coldest month
20,8°C
Mean alt.
244m
Min
62m
Max
889m
Std. dev.
160m
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

4,8

Org. C

76,5g/kg

Clay

42,3%

Sand

29,8%

Silt

27,9%

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

Dominant lithology: smGLiMaggregated to Rokan Hulu

3 soil depths detailedExpert
0–5 cm
pH H₂O
4,7
Org. C
80,0g/kg
Clay
41,1%
Sand
30,6%
Silt
28,3%
5–15 cm
pH H₂O
4,7
Org. C
59,8g/kg
Clay
42,1%
Sand
29,8%
Silt
28,1%
15–30 cm
pH H₂O
4,8
Org. C
89,8g/kg
Clay
43,7%
Sand
29,1%
Silt
27,2%

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

Land cover

Forest93.8%
Crops0.8%
Built-up0.1%
Bare soil0.0%
Other (grassland, water…)5.3%

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

Hydrology6 basins · 0 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

106,4km

Basins crossed

6

Max stream order

5

Max drainage

5 578km²

Discharge in basins

58,7m³/s

Mean precip.

3 104mm/an

Mean T°

25,0°C

Moisture idx

0,45

Mean runoff

1 148mm/an

Mean elev. (basins)

343m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

6,9%

Pesticides

0,6kg/km²

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

Sub-administrations13