Ontologia

Subdivision · SEN

Darou Marnane

Senegal

BShArid, steppe, hot(100 %)

Species observed

23

Observations

89

Area

168,1km²

Ecological tissue

Sample of 7 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 Darou Marnane : 6 espèces reliées par 6 interactions GloBI sur 3 types (connectance 28.6%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
7
Interactions affichées
6
Connectance
0.286
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

23 distinct species · 89 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

89 obs · 5 cellules
Obs. / cellule
≥ 53
53–52
18–52
14–17
< 14

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

426mm

Warmest m°

36,7°C

Coldest m°

17,0°C

Elevation: 42 m on average (min 34 m, max 49 m)

Bioclimatic detailsExpert
Annual mean temp.
27,0°C
Annual rain
426mm
Warmest month
36,7°C
Coldest month
17,0°C
Mean alt.
42m
Min
34m
Max
49m
Std. dev.
3m
Köppen-Geiger (dominant)
BShArid, steppe, hot(100 %)Arid

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

Soil & lithology

pH H₂O

6,4

Org. C

5,2g/kg

Clay

10,6%

Sand

79,7%

Silt

9,7%

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

Dominant lithology: suGLiMaggregated to Kébémer

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,5
Org. C
6,1g/kg
Clay
10,6%
Sand
79,6%
Silt
9,8%
5–15 cm
pH H₂O
6,4
Org. C
5,2g/kg
Clay
9,4%
Sand
80,7%
Silt
9,8%
15–30 cm
pH H₂O
6,3
Org. C
4,2g/kg
Clay
11,7%
Sand
78,8%
Silt
9,5%

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

Land cover

Forest3.8%
Crops42.1%
Built-up0.4%
Bare soil0.7%
Other (grassland, water…)53.1%

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

Hydrology2 basins · 0 lakes · 0 rivers

Hydrology metrics for this exact territory

Basins crossed

2

Max drainage

2 172km²

Discharge in basins

0,0m³/s

Mean precip.

460mm/an

Mean T°

26,5°C

Moisture idx

-0,77

Mean runoff

5mm/an

Mean elev. (basins)

45m

Watersheds crossing here

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

Human pressure

Pop. density

1hab/km²

Night light

0,2nW

Built-up

37,2%

Pesticides

1,9kg/km²

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