Ontologia

Commune · SLE

Tonko Limba

Sierra Leone

AmTropical, monsoon(77 %)

Species observed

13

Observations

36

Area

808,1km²

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

13 distinct species · 36 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

36 obs · 7 cellules
Obs. / cellule
≥ 26
26–25
1–25
1–0
< 1

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

Climate

Mean T°

26,7°C

Annual rain

2 215mm

Warmest m°

36,7°C

Coldest m°

21,1°C

Elevation: 60 m on average (min 43 m, max 93 m)

Bioclimatic detailsExpert
Annual mean temp.
26,7°C
Annual rain
2 215mm
Warmest month
36,7°C
Coldest month
21,1°C
Mean alt.
60m
Min
43m
Max
93m
Std. dev.
10m
Köppen-Geiger (dominant)
AmTropical, monsoon(77 %)Tropical

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

Soil & lithology

pH H₂O

5,4

Org. C

28,2g/kg

Clay

27,5%

Sand

45,8%

Silt

26,7%

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

Dominant lithology: suGLiMaggregated to Kambia

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,4
Org. C
33,5g/kg
Clay
24,9%
Sand
48,1%
Silt
27,0%
5–15 cm
pH H₂O
5,4
Org. C
31,6g/kg
Clay
26,9%
Sand
45,9%
Silt
27,2%
15–30 cm
pH H₂O
5,4
Org. C
19,5g/kg
Clay
30,8%
Sand
43,4%
Silt
25,9%

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

Land cover

Forest36.3%
Crops2.0%
Built-up0.1%
Bare soil0.1%
Other (grassland, water…)61.4%

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

Hydrology4 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

109,9km

Basins crossed

4

Max stream order

6

Max drainage

12 965km²

Discharge in basins

308,4m³/s

Mean precip.

2 706mm/an

Mean T°

27,5°C

Moisture idx

0,34

Mean runoff

1 899mm/an

Mean elev. (basins)

71m

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

Human pressure

Pop. density

1hab/km²

Built-up

15,2%

Pesticides

14,0kg/km²

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

Protected areas1

IUCN Not Reported · 1

Sigiri

IUCN Not Reported

Forest Reserve

22 km²

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN