Ontologia

Commune · SLE

Freetown3

Sierra Leone

AmTropical, monsoon(100 %)

Species observed

204

Observations

591

Area

172,6km²

Ecological tissue

Sample of 33 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 Freetown3 : 29 espèces reliées par 30 interactions GloBI sur 4 types (connectance 5.7%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
33
Interactions affichées
30
Connectance
0.057
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

204 distinct species · 591 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

591 obs · 6 cellules
Obs. / cellule
≥ 431
431–430
74–430
39–73
< 39

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

Climate

Mean T°

26,0°C

Annual rain

3 349mm

Warmest m°

29,3°C

Coldest m°

23,6°C

Elevation: 42 m on average (min -37 m, max 348 m)

Bioclimatic detailsExpert
Annual mean temp.
26,0°C
Annual rain
3 349mm
Warmest month
29,3°C
Coldest month
23,6°C
Mean alt.
42m
Min
-37m
Max
348m
Std. dev.
68m
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

5,5

Org. C

40,4g/kg

Clay

28,5%

Sand

44,6%

Silt

27,0%

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

Dominant lithology: paGLiMaggregated to Western Rural

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,5
Org. C
49,4g/kg
Clay
26,5%
Sand
46,2%
Silt
27,3%
5–15 cm
pH H₂O
5,5
Org. C
40,8g/kg
Clay
27,6%
Sand
45,0%
Silt
27,5%
15–30 cm
pH H₂O
5,5
Org. C
31,0g/kg
Clay
31,3%
Sand
42,5%
Silt
26,2%

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

Land cover

Forest27.0%
Crops4.8%
Built-up6.4%
Bare soil0.3%
Other (grassland, water…)61.4%

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

Hydrology1 basins · 0 lakes · 0 rivers

Hydrology metrics for this exact territory

Basins crossed

1

Max drainage

2 153km²

Discharge in basins

0,6m³/s

Mean precip.

3 264mm/an

Mean T°

25,9°C

Moisture idx

0,55

Mean runoff

2 104mm/an

Mean elev. (basins)

62m

Watersheds crossing here

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

Human pressure

Pop. density

7hab/km²

Night light

0,4nW

Built-up

635,7%

Pesticides

16,0kg/km²

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

Protected areas3

IUCN Not Reported · 2IUCN II · 1🌊 Marine · 2

Western Area

IUCN II

No or Non - Hunting Forest Reserve · 1916

164 km²

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