Ontologia

Commune · SLE

Tambakha

Sierra Leone

AwTropical, savannah(100 %)

Species observed

547

Observations

4 373

Area

2 447km²

Ecological tissue

Sample of 30 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 Tambakha : 29 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 23 interactions GloBI sur 4 types (connectance 5.3%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
30
Interactions affichées
23
Connectance
0.053
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

547 distinct species · 4 373 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

4 373 obs · 45 cellules
Obs. / cellule
≥ 1 596
220–1 595
26–219
3–25
< 3

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

Climate

Mean T°

27,0°C

Annual rain

1 810mm

Warmest m°

37,1°C

Coldest m°

20,6°C

Elevation: 128 m on average (min 47 m, max 781 m)

Bioclimatic detailsExpert
Annual mean temp.
27,0°C
Annual rain
1 810mm
Warmest month
37,1°C
Coldest month
20,6°C
Mean alt.
128m
Min
47m
Max
781m
Std. dev.
83m
Köppen-Geiger (dominant)
AwTropical, savannah(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

29,2g/kg

Clay

26,9%

Sand

43,6%

Silt

29,5%

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

Dominant lithology: vbGLiMaggregated to Bombali

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,3
Org. C
37,4g/kg
Clay
25,5%
Sand
44,8%
Silt
29,6%
5–15 cm
pH H₂O
5,3
Org. C
30,7g/kg
Clay
26,4%
Sand
43,7%
Silt
29,9%
15–30 cm
pH H₂O
5,3
Org. C
19,4g/kg
Clay
28,8%
Sand
42,1%
Silt
29,1%

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

Land cover

Forest45.6%
Crops0.3%
Built-up0.0%
Bare soil0.0%
Other (grassland, water…)54.1%

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

Hydrology14 basins · 0 lakes · 11 rivers

Hydrology metrics for this exact territory

Stream length here

491,8km

Basins crossed

14

Max stream order

6

Max drainage

12 965km²

Discharge in basins

760,2m³/s

Mean precip.

2 313mm/an

Mean T°

27,0°C

Moisture idx

0,22

Mean runoff

1 472mm/an

Mean elev. (basins)

173m

Watersheds crossing here

5 more basins

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

Human pressure

Pop. density

0hab/km²

Built-up

2,4%

Pesticides

13,4kg/km²

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

Protected areas3

IUCN Not Reported · 2IUCN II · 1

Outamba

IUCN II

National Park · 1995

735 km²

Kilimi

IUCN Not Reported

National Park · 1995

412 km²

Kuru Hills

IUCN Not Reported

Forest Reserve · 1955

49 km²

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