Ontologia

Commune · SLE

Valunia

Sierra Leone

AmTropical, monsoon(100 %)

Species observed

274

Observations

428

Area

852,7km²

Ecological tissue

Sample of 41 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 Valunia : 35 espèces reliées par 35 interactions GloBI sur 4 types (connectance 4.3%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
41
Interactions affichées
35
Connectance
0.043
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

274 distinct species · 428 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

428 obs · 17 cellules
Obs. / cellule
≥ 167
63–166
14–62
5–13
< 5

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 791mm

Warmest m°

34,1°C

Coldest m°

20,6°C

Elevation: 212 m on average (min 79 m, max 643 m)

Bioclimatic detailsExpert
Annual mean temp.
25,1°C
Annual rain
2 791mm
Warmest month
34,1°C
Coldest month
20,6°C
Mean alt.
212m
Min
79m
Max
643m
Std. dev.
114m
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

5,2

Org. C

33,9g/kg

Clay

26,9%

Sand

50,4%

Silt

22,7%

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

Dominant lithology: mtGLiMaggregated to Bo

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,3
Org. C
45,5g/kg
Clay
25,1%
Sand
52,4%
Silt
22,5%
5–15 cm
pH H₂O
5,2
Org. C
35,9g/kg
Clay
26,7%
Sand
50,1%
Silt
23,3%
15–30 cm
pH H₂O
5,2
Org. C
20,2g/kg
Clay
29,0%
Sand
48,9%
Silt
22,2%

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

Land cover

Forest57.4%
Crops0.7%
Built-up0.1%
Bare soil0.1%
Other (grassland, water…)41.7%

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

Hydrology3 basins · 0 lakes · 5 rivers

Hydrology metrics for this exact territory

Stream length here

112,7km

Basins crossed

3

Max stream order

5

Max drainage

7 515km²

Discharge in basins

52,3m³/s

Mean precip.

2 827mm/an

Mean T°

25,7°C

Moisture idx

0,40

Mean runoff

1 816mm/an

Mean elev. (basins)

227m

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

6,4%

Pesticides

12,1kg/km²

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

Protected areas1

IUCN VI · 1

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