Ontologia

Commune · SLE

Freetown5

Sierra Leone

AmTropical, monsoon(100 %)

Species observed

92

Observations

147

Area

157,9km²

Ecological tissue

Sample of 23 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 Freetown5 : 21 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 18 interactions GloBI sur 3 types (connectance 7.1%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
23
Interactions affichées
18
Connectance
0.071
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

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

Species present

92 distinct species · 147 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

147 obs · 5 cellules
Obs. / cellule
≥ 110
110–109
28–109
6–27
< 6

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

Climate

Mean T°

26,1°C

Annual rain

3 144mm

Warmest m°

30,9°C

Coldest m°

23,3°C

Elevation: 10 m on average (min 2 m, max 191 m)

Bioclimatic detailsExpert
Annual mean temp.
26,1°C
Annual rain
3 144mm
Warmest month
30,9°C
Coldest month
23,3°C
Mean alt.
10m
Min
2m
Max
191m
Std. dev.
7m
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

34,0g/kg

Clay

29,2%

Sand

44,4%

Silt

26,5%

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
5,4
Org. C
40,2g/kg
Clay
27,6%
Sand
45,8%
Silt
26,7%
5–15 cm
pH H₂O
5,5
Org. C
34,3g/kg
Clay
28,4%
Sand
44,5%
Silt
27,2%
15–30 cm
pH H₂O
5,5
Org. C
27,5g/kg
Clay
31,8%
Sand
42,8%
Silt
25,5%

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

Land cover

Forest36.4%
Crops5.4%
Built-up0.7%
Bare soil0.2%
Other (grassland, water…)57.3%

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

0,5m³/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

1hab/km²

Night light

0,1nW

Built-up

71,2%

Pesticides

13,7kg/km²

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

Protected areas5

IUCN Not Reported · 4IUCN II · 1🌊 Marine · 3

Yawri Bay

IUCN Not Reported

Marine Protected Area · 2012

919 km²

Western Area

IUCN II

No or Non - Hunting Forest Reserve · 1916

164 km²

Fabina

IUCN Not Reported

Forest Reserve · 1973

9 km²

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