La Mare de Lassouri
IUCN IbWetland of International Importance (Ramsar Site) · 2005
345 km²
Arrondissement · NER
Mirriah
Niger
BWhArid, desert, hot(97 %)
Species observed
508
Observations
2 111
Area
13 401,6km²
Ecological tissue
Sample of 25 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 Mirriah : 23 espèces reliées par 18 interactions GloBI sur 4 types (connectance 6.0%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
25
Interactions affichées
18
Connectance
0.060
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
508 distinct species · 2 111 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
27,6°C
Annual rain
333mm
Warmest m°
39,6°C
Coldest m°
12,9°C
Elevation: 450 m on average (min 380 m, max 567 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
27,6°C
Annual rain
333mm
Warmest month
39,6°C
Coldest month
12,9°C
Mean alt.
450m
Min
380m
Max
567m
Std. dev.
32m
Köppen-Geiger (dominant)
BWhArid, desert, hot(97 %)Arid
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,9
Org. C
4,1g/kg
Clay
18,0%
Sand
65,1%
Silt
16,9%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,9
Org. C
4,9g/kg
Clay
17,1%
Sand
65,6%
Silt
17,2%
5–15 cm
pH H₂O
6,9
Org. C
4,2g/kg
Clay
17,4%
Sand
65,6%
Silt
17,0%
15–30 cm
pH H₂O
6,9
Org. C
3,2g/kg
Clay
19,5%
Sand
64,0%
Silt
16,5%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest4.9%
Crops33.7%
Built-up0.3%
Bare soil3.9%
Other (grassland, water…)57.2%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology33 basins · 5 lakes · 5 rivers
Hydrology metrics for this exact territory
Stream length here
368,6km
Lake surface here
3,15km²
Basins crossed
33
Max stream order
5
Max drainage
10 012km²
Discharge in basins
10,6m³/s
Mean precip.
322mm/an
Mean T°
27,7°C
Moisture idx
-0,85
Mean runoff
17mm/an
Mean elev. (basins)
448m
Watersheds crossing here
- Basin #71210sub-area2 320,4 km²overlap1595.18 km²12%
- Bassin de Machayasub-area1 454,1 km²overlap1418.69 km²11%
- Basin #46990sub-area2 195,4 km²overlap1364.93 km²10%
- Basin #81790sub-area1 180,2 km²overlap859.11 km²6%
- Bassin de Zermousub-area757,8 km²overlap755.03 km²6%
- Bassin de Zermousub-area752 km²overlap749.22 km²6%
- Basin #69150sub-area1 640,1 km²overlap649.29 km²5%
- Bassin de Koramasub-area2 112,6 km²overlap562.89 km²4%
- Basin #41290sub-area592,1 km²overlap515.05 km²4%
24 more basinssorted by overlap
- Basin #55940sub-area486,3 km²overlap484.02 km²4%
- Bassin de Koramasub-area423 km²overlap393.21 km²3%
- Basin #55750sub-area730,4 km²overlap360.02 km²3%
- Basin #66310sub-area338,1 km²overlap336.86 km²3%
- Bassin de Zermousub-area323,6 km²overlap322.38 km²2%
- Basin #61650sub-area274,4 km²overlap273.40 km²2%
- Bassin de Zermousub-area272,6 km²overlap271.53 km²2%
- Bassin de Koramasub-area1 511,8 km²overlap265.17 km²2%
- Basin #66320sub-area256,3 km²overlap255.40 km²2%
- Basin #61750sub-area255,4 km²overlap254.42 km²2%
- Basin #65310sub-area472,9 km²overlap253.75 km²2%
- Basin #40880sub-area1 182,2 km²overlap225.20 km²2%
- Basin #78790sub-area214,8 km²overlap204.34 km²2%
- Basin #44370sub-area799,6 km²overlap196.11 km²1%
- Basin #81780sub-area921,1 km²overlap186.65 km²1%
- Bassin de Gomba Haoussasub-area931,2 km²overlap174.72 km²1%
- Basin #64650sub-area1 834,8 km²overlap153.07 km²1%
- Bassin de Koramasub-area134,6 km²overlap134.07 km²1%
- Basin #41060sub-area505,4 km²overlap115.99 km²1%
- Basin #65510sub-area291,3 km²overlap39.61 km²0%
- Basin #77190sub-area628,9 km²overlap21.82 km²0%
- Basin #60500sub-area1 017,5 km²overlap5.02 km²0%
- Basin #31140sub-area716,1 km²overlap4.61 km²0%
- Basin #31300sub-area592,4 km²overlap0.83 km²0%
Lakes (5, top by area)
Rivers / streams (5, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
0,0nW
Built-up
33,9%
Pesticides
0,0kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN Ib · 1IUCN Not Reported · 1
Lac de Guidimouni
IUCN Not ReportedWetland of International Importance (Ramsar Site) · 2019
3 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN