Ontologia

Department · MRT

F'Dérik

Mauritania

BWhArid, desert, hot(100 %)

Species observed

352

Observations

4 007

Area

173 969km²

Ecological tissue

Sample of 31 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 F'Dérik : 25 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 31 interactions GloBI sur 2 types (connectance 6.2%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
32
Interactions affichées
31
Connectance
0.063
Patrimoniales
2
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

352 distinct species · 4 007 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

4 007 obs · 95 cellules
Obs. / cellule
≥ 337
102–336
41–101
19–40
< 19

Source : GBIF — observations agrégées par hexagones 0.2° × 0.2° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

25,8°C

Annual rain

31mm

Warmest m°

42,3°C

Coldest m°

9,1°C

Elevation: 295 m on average (min 206 m, max 822 m)

Bioclimatic detailsExpert
Annual mean temp.
25,8°C
Annual rain
31mm
Warmest month
42,3°C
Coldest month
9,1°C
Mean alt.
295m
Min
206m
Max
822m
Std. dev.
51m
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

8,0

Org. C

3,9g/kg

Clay

21,4%

Sand

56,9%

Silt

21,7%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
8,0
Org. C
4,9g/kg
Clay
21,0%
Sand
57,3%
Silt
21,7%
5–15 cm
pH H₂O
8,1
Org. C
3,8g/kg
Clay
21,3%
Sand
56,9%
Silt
21,8%
15–30 cm
pH H₂O
8,1
Org. C
2,9g/kg
Clay
21,8%
Sand
56,6%
Silt
21,6%

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

Land cover

Forest0.0%
Crops0.0%
Built-up0.0%
Bare soil99.6%
Other (grassland, water…)0.4%

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

Hydrology218 basins · 0 lakes · 11 rivers

Hydrology metrics for this exact territory

Stream length here

280,5km

Basins crossed

218

Max stream order

5

Max drainage

21 076km²

Discharge in basins

7,9m³/s

Mean precip.

30mm/an

Mean T°

26,3°C

Moisture idx

-0,99

Mean runoff

6mm/an

Mean elev. (basins)

296m

Watersheds crossing here

209 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

0,2%

Pesticides

0,0kg/km²

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