Ontologia

Department · MRT

Guérou

Mauritania

BWhArid, desert, hot(100 %)

Species observed

87

Observations

590

Area

2 631,1km²

Ecological tissue

Sample of 36 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 Guérou : 31 espèces reliées par 34 interactions GloBI sur 2 types (connectance 5.4%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
36
Interactions affichées
34
Connectance
0.054
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

87 distinct species · 590 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

590 obs · 44 cellules
Obs. / cellule
≥ 178
37–177
8–36
4–7
< 4

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

Climate

Mean T°

29,8°C

Annual rain

264mm

Warmest m°

40,1°C

Coldest m°

16,0°C

Elevation: 255 m on average (min 62 m, max 581 m)

Bioclimatic detailsExpert
Annual mean temp.
29,8°C
Annual rain
264mm
Warmest month
40,1°C
Coldest month
16,0°C
Mean alt.
255m
Min
62m
Max
581m
Std. dev.
85m
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

7,6

Org. C

5,8g/kg

Clay

19,4%

Sand

58,1%

Silt

22,5%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,6
Org. C
7,3g/kg
Clay
19,0%
Sand
58,1%
Silt
22,9%
5–15 cm
pH H₂O
7,6
Org. C
5,5g/kg
Clay
18,9%
Sand
58,4%
Silt
22,7%
15–30 cm
pH H₂O
7,6
Org. C
4,7g/kg
Clay
20,3%
Sand
57,7%
Silt
22,0%

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

Land cover

Forest1.2%
Crops2.8%
Built-up0.1%
Bare soil39.8%
Other (grassland, water…)56.1%

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

Hydrology7 basins · 1 lakes · 5 rivers

Hydrology metrics for this exact territory

Stream length here

87,0km

Lake surface here

0,08km²

Basins crossed

7

Max stream order

3

Max drainage

1 863km²

Discharge in basins

3,8m³/s

Mean precip.

185mm/an

Mean T°

28,7°C

Moisture idx

-0,91

Mean runoff

54mm/an

Mean elev. (basins)

234m

Watersheds crossing here

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

9,8%

Pesticides

0,0kg/km²

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