Ontologia

Commune · SLE

Tane

Sierra Leone

AmTropical, monsoon(100 %)

Species observed

253

Observations

464

Area

535,6km²

Ecological tissue

Sample of 27 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 Tane : 24 espèces reliées par 22 interactions GloBI sur 4 types (connectance 6.3%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
27
Interactions affichées
22
Connectance
0.063
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

253 distinct species · 464 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

464 obs · 15 cellules
Obs. / cellule
≥ 198
92–197
18–91
11–17
< 11

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

Climate

Mean T°

25,5°C

Annual rain

2 824mm

Warmest m°

34,5°C

Coldest m°

20,6°C

Elevation: 211 m on average (min 75 m, max 539 m)

Bioclimatic detailsExpert
Annual mean temp.
25,5°C
Annual rain
2 824mm
Warmest month
34,5°C
Coldest month
20,6°C
Mean alt.
211m
Min
75m
Max
539m
Std. dev.
117m
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

5,3

Org. C

33,6g/kg

Clay

27,4%

Sand

49,9%

Silt

22,7%

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

Dominant lithology: mtGLiMaggregated to Tonkolili

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,3
Org. C
45,2g/kg
Clay
25,7%
Sand
51,7%
Silt
22,6%
5–15 cm
pH H₂O
5,2
Org. C
35,1g/kg
Clay
28,0%
Sand
48,7%
Silt
23,3%
15–30 cm
pH H₂O
5,2
Org. C
20,4g/kg
Clay
28,5%
Sand
49,2%
Silt
22,2%

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

Land cover

Forest53.8%
Crops1.1%
Built-up0.1%
Bare soil0.2%
Other (grassland, water…)44.7%

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

Hydrology5 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

86,7km

Basins crossed

5

Max stream order

4

Max drainage

2 545km²

Discharge in basins

73,0m³/s

Mean precip.

2 979mm/an

Mean T°

26,0°C

Moisture idx

0,42

Mean runoff

1 895mm/an

Mean elev. (basins)

227m

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

Human pressure

Pop. density

1hab/km²

Built-up

13,6%

Pesticides

13,6kg/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