Department · MRT
Amourj
Mauritania
Species observed
26
Observations
1 882
Area
9 553km²
Ecological tissue
Sample of 3 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).
Indicateurs du tissu écologique
Tissu écologique de Amourj : 3 espèces reliées par 2 interactions GloBI sur 1 type (connectance 66.7%, filtre Serrano α=0.2).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
26 distinct species · 1 882 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
29,5°C
Annual rain
314mm
Warmest m°
40,9°C
Coldest m°
15,1°C
Elevation: 280 m on average (min 223 m, max 338 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
7,2
Org. C
4,4g/kg
Clay
21,8%
Sand
60,3%
Silt
17,9%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology21 basins · 3 lakes · 6 rivers
Hydrology metrics for this exact territory
Stream length here
79,0km
Lake surface here
1,19km²
Basins crossed
21
Max stream order
4
Max drainage
9 789km²
Discharge in basins
0,1m³/s
Mean precip.
287mm/an
Mean T°
28,5°C
Moisture idx
-0,86
Mean runoff
8mm/an
Mean elev. (basins)
284m
Watersheds crossing here
- Bassin de Taroutalasub-area6 266,9 km²overlap4259.39 km²45%
- Bassin de Oued Sbei‘lsub-area779,4 km²overlap776.72 km²8%
- Bassin de Légéilasub-area1 110,5 km²overlap692.88 km²7%
- Basin #96890sub-area1 265,2 km²overlap617.48 km²6%
- Bassin de Jrèïksub-area875,2 km²overlap383.74 km²4%
- Bassin de Gata Chiratitsub-area767,1 km²overlap362.13 km²4%
- Basin #01810sub-area340,1 km²overlap338.90 km²4%
- Basin #01640sub-area299,2 km²overlap298.20 km²3%
- Basin #02190sub-area283 km²overlap281.86 km²3%
12 more basinssorted by overlap
- Bassin de Krâ’ en Njâmasub-area277 km²overlap276.00 km²3%
- Basin #50400sub-area1 061 km²overlap263.10 km²3%
- Basin #50160sub-area1 112,4 km²overlap199.73 km²2%
- Basin #96470sub-area193,8 km²overlap193.16 km²2%
- Bassin de Oued Sbei‘lsub-area476,2 km²overlap173.06 km²2%
- Basin #49400sub-area1 249,7 km²overlap133.26 km²1%
- Basin #68860sub-area4 066,3 km²overlap86.74 km²1%
- Basin #06580sub-area655,6 km²overlap84.96 km²1%
- Basin #15980sub-area1 079,8 km²overlap74.18 km²1%
- Basin #55100sub-area605,5 km²overlap27.24 km²0%
- Basin #97620sub-area22,6 km²overlap22.52 km²0%
- Basin #41550sub-area6,6 km²overlap6.56 km²0%
Lakes (3, top by area)
Rivers / streams (6, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,0nW
Built-up
5,5%
Pesticides
0,2kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)