Ontologia

Department · MRT

R'Kiz

Mauritania

BWhArid, desert, hot(100 %)

Species observed

281

Observations

8 315

Area

5 547,5km²

Ecological tissue

Sample of 37 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 R'Kiz : 30 espèces reliées par 47 interactions GloBI sur 3 types (connectance 6.7%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
38
Interactions affichées
47
Connectance
0.067
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

281 distinct species · 8 315 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

8 315 obs · 93 cellules
Obs. / cellule
≥ 3 472
80–3 471
14–79
3–13
< 3

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

Climate

Mean T°

29,0°C

Annual rain

185mm

Warmest m°

39,8°C

Coldest m°

16,6°C

Elevation: 23 m on average (min -2 m, max 56 m)

Bioclimatic detailsExpert
Annual mean temp.
29,0°C
Annual rain
185mm
Warmest month
39,8°C
Coldest month
16,6°C
Mean alt.
23m
Min
-2m
Max
56m
Std. dev.
15m
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

7,5

Org. C

5,0g/kg

Clay

17,7%

Sand

69,9%

Silt

12,3%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,4
Org. C
6,1g/kg
Clay
17,5%
Sand
69,9%
Silt
12,6%
5–15 cm
pH H₂O
7,5
Org. C
4,4g/kg
Clay
17,3%
Sand
70,4%
Silt
12,3%
15–30 cm
pH H₂O
7,5
Org. C
4,4g/kg
Clay
18,4%
Sand
69,5%
Silt
12,1%

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

Land cover

Forest2.2%
Crops5.9%
Built-up0.1%
Bare soil28.8%
Other (grassland, water…)63.0%

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

Hydrology20 basins · 21 lakes · 6 rivers

Hydrology metrics for this exact territory

Stream length here

261,8km

Lake surface here

13,07km²

Basins crossed

20

Max stream order

7

Max drainage

392 884km²

Discharge in basins

369,5m³/s

Mean precip.

199mm/an

Mean T°

28,2°C

Moisture idx

-0,91

Mean runoff

12mm/an

Mean elev. (basins)

30m

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

8,3%

Pesticides

0,1kg/km²

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