Ontologia

Province · sle

Western

Sierra Leone

AmTropical, monsoon(100 %)

Species observed

1 065

Observations

5 766

Area

717,4km²

Ecological tissue

Sample of 13 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 Western : 12 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 10 interactions GloBI sur 2 types (connectance 12.8%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
13
Interactions affichées
10
Connectance
0.128
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

1 065 distinct species · 5 766 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

5 766 obs · 21 cellules
Obs. / cellule
≥ 2 456
598–2 455
153–597
58–152
< 58

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

Climate

Mean T°

25,6°C

Annual rain

3 508mm

Warmest m°

28,6°C

Coldest m°

23,4°C

Elevation: 125 m on average (min -121 m, max 644 m)

Bioclimatic detailsExpert
Annual mean temp.
25,6°C
Annual rain
3 508mm
Warmest month
28,6°C
Coldest month
23,4°C
Mean alt.
125m
Min
-121m
Max
644m
Std. dev.
161m
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

38,8g/kg

Clay

29,0%

Sand

43,5%

Silt

27,4%

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

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,5
Org. C
48,0g/kg
Clay
27,0%
Sand
45,4%
Silt
27,7%
5–15 cm
pH H₂O
5,5
Org. C
38,8g/kg
Clay
28,3%
Sand
43,8%
Silt
28,0%
15–30 cm
pH H₂O
5,5
Org. C
29,5g/kg
Clay
31,9%
Sand
41,5%
Silt
26,7%

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

Land cover

Forest37.5%
Crops3.4%
Built-up6.1%
Bare soil0.3%
Other (grassland, water…)52.8%

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

Hydrology1 basins · 2 lakes · 7 rivers

Hydrology metrics for this exact territory

Stream length here

19,8km

Lake surface here

0,90km²

Basins crossed

1

Max stream order

2

Max drainage

2 153km²

Discharge in basins

2,3m³/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

Lakes (2, top by area)

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

Human pressure

Pop. density

22hab/km²

Night light

1,2nW

Built-up

612,6%

Pesticides

15,1kg/km²

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

Protected areas9

IUCN Not Reported · 8IUCN II · 1🌊 Marine · 4

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

Complete list

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

Sub-administrations2