Ontologia

Department · MRT

Djiguenni

Mauritania

BWhArid, desert, hot(100 %)

Species observed

55

Observations

1 248

Area

5 300,4km²

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 Djiguenni : 6 espèces 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
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

55 distinct species · 1 248 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 248 obs · 57 cellules
Obs. / cellule
≥ 381
44–380
11–43
4–10
< 4

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

Climate

Mean T°

29,7°C

Annual rain

322mm

Warmest m°

41,2°C

Coldest m°

15,1°C

Elevation: 219 m on average (min 181 m, max 271 m)

Bioclimatic detailsExpert
Annual mean temp.
29,7°C
Annual rain
322mm
Warmest month
41,2°C
Coldest month
15,1°C
Mean alt.
219m
Min
181m
Max
271m
Std. dev.
20m
Köppen-Geiger (dominant)
BWhArid, desert, hot(100 %)Arid

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

Soil & lithology

pH H₂O

7,1

Org. C

3,8g/kg

Clay

18,3%

Sand

67,1%

Silt

14,6%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,1
Org. C
4,7g/kg
Clay
17,3%
Sand
67,8%
Silt
14,9%
5–15 cm
pH H₂O
7,1
Org. C
3,6g/kg
Clay
18,0%
Sand
67,4%
Silt
14,5%
15–30 cm
pH H₂O
7,2
Org. C
3,1g/kg
Clay
19,6%
Sand
65,9%
Silt
14,4%

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

Land cover

Forest1.7%
Crops16.7%
Built-up0.1%
Bare soil10.9%
Other (grassland, water…)70.6%

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

Hydrology11 basins · 0 lakes · 0 rivers

Hydrology metrics for this exact territory

Basins crossed

11

Max drainage

10 612km²

Discharge in basins

3,5m³/s

Mean precip.

275mm/an

Mean T°

29,1°C

Moisture idx

-0,87

Mean runoff

17mm/an

Mean elev. (basins)

223m

Watersheds crossing here

2 more basins

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

5,9%

Pesticides

0,2kg/km²

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