Ontologia

District · SLE

Koinadugu

Sierra Leone

AwTropical, savannah(80 %)

Species observed

1 684

Observations

6 434

Area

12 398,2km²

Ecological tissue

Sample of 15 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 Koinadugu : 13 espèces reliées par 10 interactions GloBI sur 4 types (connectance 9.5%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
15
Interactions affichées
10
Connectance
0.095
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

1 684 distinct species · 6 434 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

6 434 obs · 190 cellules
Obs. / cellule
≥ 1 043
61–1 042
12–60
4–11
< 4

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

Climate

Mean T°

25,3°C

Annual rain

2 189mm

Warmest m°

34,8°C

Coldest m°

19,2°C

Elevation: 450 m on average (min 84 m, max 1 578 m)

Bioclimatic detailsExpert
Annual mean temp.
25,3°C
Annual rain
2 189mm
Warmest month
34,8°C
Coldest month
19,2°C
Mean alt.
450m
Min
84m
Max
1 578m
Std. dev.
129m
Köppen-Geiger (dominant)
AwTropical, savannah(80 %)Tropical

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

Soil & lithology

pH H₂O

5,3

Org. C

30,5g/kg

Clay

30,4%

Sand

41,9%

Silt

27,7%

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

Dominant lithology: mtGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,3
Org. C
41,7g/kg
Clay
28,8%
Sand
43,1%
Silt
28,1%
5–15 cm
pH H₂O
5,3
Org. C
31,1g/kg
Clay
29,0%
Sand
42,6%
Silt
28,4%
15–30 cm
pH H₂O
5,3
Org. C
18,6g/kg
Clay
33,4%
Sand
39,9%
Silt
26,7%

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

Land cover

Forest47.9%
Crops0.3%
Built-up0.1%
Bare soil0.0%
Other (grassland, water…)51.8%

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

Hydrology32 basins · 0 lakes · 24 rivers

Hydrology metrics for this exact territory

Stream length here

1 235,3km

Basins crossed

32

Max stream order

5

Max drainage

6 625km²

Discharge in basins

932,0m³/s

Mean precip.

2 187mm/an

Mean T°

25,2°C

Moisture idx

0,14

Mean runoff

1 320mm/an

Mean elev. (basins)

431m

Watersheds crossing here

23 more basins

Rivers / streams (24, ord ≥ 4)

12 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

7,2%

Pesticides

13,3kg/km²

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

Protected areas9

IUCN Not Reported · 5IUCN II · 3IUCN IV · 1

Outamba

IUCN II

National Park · 1995

735 km²

Tonkoli

IUCN Not Reported

Forest Reserve · 1926

412 km²

Tama

IUCN Not Reported

Forest Reserve · 1928

201 km²

Complete list

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

Sub-administrations11