Ontologia

Commune · SLE

Boama

Sierra Leone

AmTropical, monsoon(100 %)

Species observed

58

Observations

156

Area

430,2km²

Ecological tissue

Sample of 9 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 Boama : 8 espèces reliées par 7 interactions GloBI sur 3 types (connectance 19.4%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
9
Interactions affichées
7
Connectance
0.194
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

58 distinct species · 156 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

156 obs · 5 cellules
Obs. / cellule
≥ 111
111–110
27–110
13–26
< 13

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

Climate

Mean T°

25,5°C

Annual rain

2 513mm

Warmest m°

34,2°C

Coldest m°

21,3°C

Elevation: 118 m on average (min 74 m, max 246 m)

Bioclimatic detailsExpert
Annual mean temp.
25,5°C
Annual rain
2 513mm
Warmest month
34,2°C
Coldest month
21,3°C
Mean alt.
118m
Min
74m
Max
246m
Std. dev.
28m
Köppen-Geiger (dominant)
AmTropical, monsoon(100 %)Tropical

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

Soil & lithology

pH H₂O

5,1

Org. C

27,6g/kg

Clay

27,7%

Sand

52,8%

Silt

19,5%

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

Dominant lithology: mtGLiMaggregated to Bo

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,1
Org. C
38,3g/kg
Clay
25,5%
Sand
55,1%
Silt
19,4%
5–15 cm
pH H₂O
5,1
Org. C
27,1g/kg
Clay
27,5%
Sand
52,6%
Silt
20,0%
15–30 cm
pH H₂O
5,1
Org. C
17,5g/kg
Clay
30,0%
Sand
50,9%
Silt
19,1%

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

Land cover

Forest51.8%
Crops0.5%
Built-up0.2%
Bare soil0.1%
Other (grassland, water…)47.4%

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

Hydrology4 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

79,8km

Basins crossed

4

Max stream order

6

Max drainage

11 073km²

Discharge in basins

231,9m³/s

Mean precip.

2 734mm/an

Mean T°

25,9°C

Moisture idx

0,39

Mean runoff

1 720mm/an

Mean elev. (basins)

161m

Watersheds crossing here

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

Human pressure

Pop. density

2hab/km²

Built-up

23,6%

Pesticides

11,9kg/km²

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