Ontologia

Commune · SLE

Dasse

Sierra Leone

AmTropical, monsoon(100 %)

Species observed

36

Observations

49

Area

343,8km²

Ecological tissue

Sample of 6 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 Dasse : 6 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 3 interactions GloBI sur 1 type (connectance 20.0%, filtre Serrano α=0.2).

Espèces affichées
6
Interactions affichées
3
Connectance
0.200
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

36 distinct species · 49 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

49 obs · 6 cellules
Obs. / cellule
≥ 17
17–16
13–16
7–12
< 7

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

Climate

Mean T°

25,6°C

Annual rain

2 872mm

Warmest m°

33,8°C

Coldest m°

21,4°C

Elevation: 59 m on average (min 42 m, max 104 m)

Bioclimatic detailsExpert
Annual mean temp.
25,6°C
Annual rain
2 872mm
Warmest month
33,8°C
Coldest month
21,4°C
Mean alt.
59m
Min
42m
Max
104m
Std. dev.
8m
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

25,4g/kg

Clay

23,2%

Sand

54,8%

Silt

22,0%

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

Dominant lithology: mtGLiMaggregated to Moyamba

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,3
Org. C
32,0g/kg
Clay
22,3%
Sand
55,6%
Silt
22,1%
5–15 cm
pH H₂O
5,3
Org. C
28,1g/kg
Clay
23,7%
Sand
54,4%
Silt
22,0%
15–30 cm
pH H₂O
5,3
Org. C
16,2g/kg
Clay
23,7%
Sand
54,5%
Silt
21,9%

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

Land cover

Forest44.5%
Crops0.5%
Built-up0.1%
Bare soil0.1%
Other (grassland, water…)54.8%

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

Hydrology3 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

38,3km

Basins crossed

3

Max stream order

5

Max drainage

7 515km²

Discharge in basins

45,9m³/s

Mean precip.

2 820mm/an

Mean T°

26,4°C

Moisture idx

0,43

Mean runoff

1 929mm/an

Mean elev. (basins)

68m

Watersheds crossing here

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

0hab/km²

Built-up

12,0%

Pesticides

9,6kg/km²

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