Ontologia

Department · MRT

Ouad-Naga

Mauritania

BWhArid, desert, hot(100 %)

Species observed

365

Observations

9 213

Area

18 873km²

Ecological tissue

Sample of 33 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 Ouad-Naga : 27 espèces reliées par 41 interactions GloBI sur 3 types (connectance 7.8%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
33
Interactions affichées
41
Connectance
0.078
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

365 distinct species · 9 213 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

9 213 obs · 208 cellules
Obs. / cellule
≥ 850
36–849
4–35
1–3
< 1

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

Climate

Mean T°

27,5°C

Annual rain

77mm

Warmest m°

39,3°C

Coldest m°

14,9°C

Elevation: 15 m on average (min -49 m, max 58 m)

Bioclimatic detailsExpert
Annual mean temp.
27,5°C
Annual rain
77mm
Warmest month
39,3°C
Coldest month
14,9°C
Mean alt.
15m
Min
-49m
Max
58m
Std. dev.
13m
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

7,8

Org. C

7,3g/kg

Clay

21,5%

Sand

55,8%

Silt

22,7%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,8
Org. C
7,4g/kg
Clay
21,2%
Sand
55,9%
Silt
22,9%
5–15 cm
pH H₂O
7,8
Org. C
6,2g/kg
Clay
21,4%
Sand
55,9%
Silt
22,7%
15–30 cm
pH H₂O
7,8
Org. C
8,2g/kg
Clay
21,9%
Sand
55,5%
Silt
22,6%

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

Land cover

Forest0.1%
Crops0.0%
Built-up0.0%
Bare soil94.3%
Other (grassland, water…)5.6%

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

Hydrology41 basins · 1 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

42,4km

Lake surface here

0,27km²

Basins crossed

41

Max stream order

4

Max drainage

21 551km²

Discharge in basins

4,5m³/s

Mean precip.

95mm/an

Mean T°

27,0°C

Moisture idx

-0,95

Mean runoff

4mm/an

Mean elev. (basins)

21m

Watersheds crossing here

32 more basins

Lakes (1, top by area)

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

1,2%

Pesticides

0,0kg/km²

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