Lac Fitri
IUCN Not ReportedWetland of International Importance (Ramsar Site) · 1990
2 026 km²
Commune · TCD
Fitri
Chad
BWhArid, desert, hot(54 %)
Species observed
244
Observations
955
Area
11 695,2km²
Ecological tissue
Sample of 32 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 Fitri : 28 espèces + 4 bulles famille, 28 interactions GloBI documentées sur 2 types (connectance 5.6%, filtre Serrano α=0.2). Les 4 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
32
Interactions affichées
28
Connectance
0.057
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
244 distinct species · 955 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
29,1°C
Annual rain
402mm
Warmest m°
41,3°C
Coldest m°
16,3°C
Elevation: 301 m on average (min 283 m, max 381 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
29,1°C
Annual rain
402mm
Warmest month
41,3°C
Coldest month
16,3°C
Mean alt.
301m
Min
283m
Max
381m
Std. dev.
13m
Köppen-Geiger (dominant)
BWhArid, desert, hot(54 %)Arid
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
7,1
Org. C
6,7g/kg
Clay
36,2%
Sand
36,0%
Silt
27,8%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiMaggregated to Batha Oues
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
7,1
Org. C
7,1g/kg
Clay
35,0%
Sand
36,9%
Silt
28,1%
5–15 cm
pH H₂O
7,1
Org. C
6,3g/kg
Clay
36,6%
Sand
35,8%
Silt
27,6%
15–30 cm
pH H₂O
7,2
Org. C
6,7g/kg
Clay
37,0%
Sand
35,3%
Silt
27,7%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest5.3%
Crops26.5%
Built-up0.0%
Bare soil2.3%
Other (grassland, water…)65.9%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology30 basins · 14 lakes · 11 rivers
Hydrology metrics for this exact territory
Stream length here
282,8km
Lake surface here
188,55km²
Basins crossed
30
Max stream order
6
Max drainage
84 586km²
Discharge in basins
157,2m³/s
Mean precip.
418mm/an
Mean T°
29,4°C
Moisture idx
-0,81
Mean runoff
16mm/an
Mean elev. (basins)
309m
Watersheds crossing here
- Bassin de Oued Mourasub-area2 177,6 km²overlap2115.26 km²18%
- Bassin de Bambansub-area3 742,8 km²overlap1521.56 km²13%
- Basin #98110sub-area891,2 km²overlap819.25 km²7%
- Basin #90990sub-area997,6 km²overlap816.11 km²7%
- Bassin de Ridgilsub-area735,1 km²overlap673.95 km²6%
- Bassin de Bahr Gériasub-area780 km²overlap560.99 km²5%
- Bassin de Bahr Zirègasub-area1 602,5 km²overlap550.75 km²5%
- Basin #40360sub-area528,3 km²overlap526.31 km²5%
- Basin #90810sub-area736,7 km²overlap508.96 km²4%
21 more basinssorted by overlap
- Bassin de Batha البطحةsub-area553,1 km²overlap464.02 km²4%
- Basin #04670sub-area422,7 km²overlap421.10 km²4%
- Bassin de Dahatbouyosub-area415,5 km²overlap413.87 km²4%
- Bassin de Batha البطحةsub-area413,8 km²overlap412.26 km²4%
- Basin #93090sub-area1 034,9 km²overlap330.94 km²3%
- Bassin de Domasub-area1 499 km²overlap276.85 km²2%
- Bassin de Dahatbouyosub-area234,7 km²overlap233.77 km²2%
- Bassin de Batha البطحةsub-area191,6 km²overlap190.88 km²2%
- Bassin de Souénésub-area604,1 km²overlap178.36 km²2%
- Basin #03350sub-area168,8 km²overlap168.11 km²1%
- Bassin de Batha البطحةsub-area273,9 km²overlap161.34 km²1%
- Basin #69080sub-area1 085,9 km²overlap113.04 km²1%
- Basin #06060sub-area1 527,1 km²overlap68.97 km²1%
- Bassin de Ridgil Djayosub-area519,2 km²overlap60.86 km²1%
- Basin #09120sub-area157,2 km²overlap57.26 km²0%
- Basin #08070sub-area19,8 km²overlap19.75 km²0%
- Basin #06990sub-area14,4 km²overlap14.37 km²0%
- Basin #93010sub-area501,7 km²overlap11.59 km²0%
- Basin #19620sub-area20,1 km²overlap2.26 km²0%
- Basin #02280sub-area390 km²overlap1.90 km²0%
- Bassin de Ridgilsub-area1 217,2 km²overlap0.62 km²0%
Lakes (14, top by area)
- Fitriarea182,9 km²avg depth1.3 m
- Rahat Abrangaarea2,5 km²avg depth0.8 m
- Lac 1399566area0,7 km²avg depth0.8 m
- Lac 1399733area0,6 km²avg depth2.2 m
- Lac 1399430area0,6 km²avg depth1.1 m
- Lac 1399717area0,4 km²avg depth1.8 m
- Lac 1399383area0,3 km²avg depth1.0 m
- Lac 1399710area0,2 km²avg depth1.7 m
- Lac 1399791area0,2 km²avg depth0.9 m
Rivers / streams (11, ord ≥ 4)
- Batha البطحةord 6len here84.17 km31%total272 km
- Galoord 4len here57.48 km100%total58 km
- Bahr Gériaord 4len here37.32 km57%total65 km
- Dahatbouyoord 1len here33.87 km100%total34 km
- Boulord 4len here23.80 km100%total24 km
- Oued Mouraord 3len here13.56 km100%total14 km
- Bahr Zirègaord 4len here10.87 km20%total53 km
- Bahr Zerzerord 4len here8.39 km100%total8 km
- Ridgilord 5len here5.40 km13%total41 km
- Bahr Zillaord 4len here4.28 km18%total23 km
- Bahr Marchéord 4len here3.66 km25%total15 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,0nW
Built-up
3,7%
Pesticides
0,1kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN Not Reported · 1
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN