Ontologia

Region · mrt

Tagant

Mauritania

BWhArid, desert, hot(100 %)

Species observed

330

Observations

2 891

Area

94 952km²

Ecological tissue

Sample of 24 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 Tagant : 23 espèces + 1 bulle famille, 15 interactions GloBI documentées sur 2 types (connectance 5.4%, filtre Serrano α=0.2). Les 1 bulle regroupe des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
24
Interactions affichées
15
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

330 distinct species · 2 891 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 891 obs · 53 cellules
Obs. / cellule
≥ 1 053
95–1 052
37–94
23–36
< 23

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

Climate

Mean T°

27,9°C

Annual rain

82mm

Warmest m°

40,1°C

Coldest m°

12,3°C

Elevation: 330 m on average (min 66 m, max 554 m)

Bioclimatic detailsExpert
Annual mean temp.
27,9°C
Annual rain
82mm
Warmest month
40,1°C
Coldest month
12,3°C
Mean alt.
330m
Min
66m
Max
554m
Std. dev.
96m
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

4,0g/kg

Clay

23,0%

Sand

56,8%

Silt

20,2%

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

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,9
Org. C
5,1g/kg
Clay
22,9%
Sand
56,6%
Silt
20,5%
5–15 cm
pH H₂O
8,0
Org. C
3,6g/kg
Clay
22,7%
Sand
57,0%
Silt
20,3%
15–30 cm
pH H₂O
8,0
Org. C
3,2g/kg
Clay
23,3%
Sand
56,8%
Silt
19,9%

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

Land cover

Forest0.1%
Crops0.1%
Built-up0.0%
Bare soil93.1%
Other (grassland, water…)6.7%

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

Hydrology156 basins · 7 lakes · 56 rivers

Hydrology metrics for this exact territory

Stream length here

1 585,5km

Lake surface here

2,09km²

Basins crossed

156

Max stream order

6

Max drainage

59 113km²

Discharge in basins

118,2m³/s

Mean precip.

104mm/an

Mean T°

28,6°C

Moisture idx

-0,95

Mean runoff

22mm/an

Mean elev. (basins)

331m

Watersheds crossing here

147 more basins

Lakes (7, top by area)

Rivers / streams (56, ord ≥ 4)

44 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

0,5%

Pesticides

0,0kg/km²

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

Sub-administrations3