Ontologia

District · SLE

Bombali

Sierra Leone

AwTropical, savannah(50 %)

Species observed

917

Observations

6 827

Area

8 215,5km²

Ecological tissue

Sample of 28 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.

ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Bombali : 24 espèces reliées par 24 interactions GloBI sur 4 types (connectance 6.3%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
28
Interactions affichées
24
Connectance
0.064
Patrimoniales
0
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

917 distinct species · 6 827 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

6 827 obs · 139 cellules
Obs. / cellule
≥ 1 016
71–1 015
20–70
5–19
< 5

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 233mm

Warmest m°

36,5°C

Coldest m°

21,0°C

Elevation: 112 m on average (min 41 m, max 781 m)

Bioclimatic detailsExpert
Annual mean temp.
26,7°C
Annual rain
2 233mm
Warmest month
36,5°C
Coldest month
21,0°C
Mean alt.
112m
Min
41m
Max
781m
Std. dev.
71m
Köppen-Geiger (dominant)
AwTropical, savannah(50 %)Tropical

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

Soil & lithology

pH H₂O

5,3

Org. C

28,9g/kg

Clay

26,4%

Sand

47,7%

Silt

25,9%

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

Dominant lithology: vbGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,3
Org. C
36,3g/kg
Clay
24,5%
Sand
49,7%
Silt
25,8%
5–15 cm
pH H₂O
5,3
Org. C
30,8g/kg
Clay
26,7%
Sand
46,9%
Silt
26,4%
15–30 cm
pH H₂O
5,3
Org. C
19,5g/kg
Clay
27,9%
Sand
46,6%
Silt
25,6%

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

Land cover

Forest39.5%
Crops2.9%
Built-up0.2%
Bare soil0.1%
Other (grassland, water…)57.3%

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

Hydrology25 basins · 1 lakes · 31 rivers

Hydrology metrics for this exact territory

Stream length here

1 282,1km

Lake surface here

0,04km²

Basins crossed

25

Max stream order

6

Max drainage

12 965km²

Discharge in basins

1 700,2m³/s

Mean precip.

2 607mm/an

Mean T°

26,9°C

Moisture idx

0,31

Mean runoff

1 767mm/an

Mean elev. (basins)

139m

Watersheds crossing here

16 more basins

Lakes (1, top by area)

Rivers / streams (31, ord ≥ 4)

19 more river segments

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

Human pressure

Pop. density

1hab/km²

Night light

0,0nW

Built-up

20,5%

Pesticides

13,8kg/km²

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

Protected areas6

IUCN Not Reported · 5IUCN II · 1

Outamba

IUCN II

National Park · 1995

735 km²

Kilimi

IUCN Not Reported

National Park · 1995

412 km²

Kuru Hills

IUCN Not Reported

Forest Reserve · 1955

49 km²

Sigiri

IUCN Not Reported

Forest Reserve

22 km²

Matete

IUCN Not Reported

Forest Reserve · 1970

12 km²

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

Sub-administrations13