Ontologia

Commune · SLE

Koya

Sierra Leone

AmTropical, monsoon(100 %)

Species observed

482

Observations

3 597

Area

322,4km²

Ecological tissue

Sample of 8 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 Koya : 5 espèces reliées par 8 interactions GloBI sur 2 types (connectance 28.6%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
8
Interactions affichées
8
Connectance
0.286
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

482 distinct species · 3 597 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

3 597 obs · 10 cellules
Obs. / cellule
≥ 3 538
3 538–3 537
17–3 537
3–16
< 3

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

Climate

Mean T°

25,1°C

Annual rain

2 815mm

Warmest m°

33,1°C

Coldest m°

21,4°C

Elevation: 137 m on average (min 70 m, max 315 m)

Bioclimatic detailsExpert
Annual mean temp.
25,1°C
Annual rain
2 815mm
Warmest month
33,1°C
Coldest month
21,4°C
Mean alt.
137m
Min
70m
Max
315m
Std. dev.
43m
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

29,5g/kg

Clay

26,7%

Sand

53,2%

Silt

20,1%

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

Dominant lithology: mtGLiMaggregated to Kenema

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,1
Org. C
40,5g/kg
Clay
25,3%
Sand
54,6%
Silt
20,2%
5–15 cm
pH H₂O
5,0
Org. C
28,4g/kg
Clay
26,5%
Sand
53,3%
Silt
20,2%
15–30 cm
pH H₂O
5,0
Org. C
19,5g/kg
Clay
28,4%
Sand
51,7%
Silt
19,9%

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

Land cover

Forest69.2%
Crops0.4%
Built-up0.1%
Bare soil0.0%
Other (grassland, water…)30.3%

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

Hydrology2 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

53,8km

Basins crossed

2

Max stream order

6

Max drainage

19 650km²

Discharge in basins

106,2m³/s

Mean precip.

3 006mm/an

Mean T°

26,2°C

Moisture idx

0,45

Mean runoff

1 622mm/an

Mean elev. (basins)

121m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Built-up

8,3%

Pesticides

11,6kg/km²

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

Protected areas6

IUCN Not Reported · 3IUCN Not Applicable · 1IUCN II · 1IUCN IV · 1

Gola-Tiwai Complex

IUCN Not Applicable

World Heritage Site (natural or mixed) · 2025

712 km²

Sahun

IUCN Not Reported

Forest Reserve

34 km²

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