Marais de la Macta
IUCN Not ReportedWetland of International Importance (Ramsar Site) · 2001
441 km²
Commune · DZA
Mohammadia
Algeria
BShArid, steppe, hot(78 %)
Species observed
83
Observations
214
Area
155,9km²
Ecological tissue
Sample of 30 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 Mohammadia : 26 espèces reliées par 35 interactions GloBI sur 2 types (connectance 8.0%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
30
Interactions affichées
35
Connectance
0.081
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
83 distinct species · 214 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
19,3°C
Annual rain
325mm
Warmest m°
34,5°C
Coldest m°
6,7°C
Elevation: 108 m on average (min 21 m, max 352 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
19,3°C
Annual rain
325mm
Warmest month
34,5°C
Coldest month
6,7°C
Mean alt.
108m
Min
21m
Max
352m
Std. dev.
86m
Köppen-Geiger (dominant)
BShArid, steppe, hot(78 %)Arid
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
7,7
Org. C
13,7g/kg
Clay
31,7%
Sand
29,8%
Silt
38,6%
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
0–5 cm
pH H₂O
7,5
Org. C
20,2g/kg
Clay
31,1%
Sand
29,9%
Silt
39,1%
5–15 cm
pH H₂O
7,7
Org. C
11,8g/kg
Clay
31,7%
Sand
29,6%
Silt
38,6%
15–30 cm
pH H₂O
7,8
Org. C
9,0g/kg
Clay
32,2%
Sand
29,7%
Silt
38,0%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest3.9%
Crops47.2%
Built-up1.7%
Bare soil5.3%
Other (grassland, water…)41.9%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology4 basins · 1 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
9,4km
Lake surface here
0,53km²
Basins crossed
4
Max stream order
5
Max drainage
9 598km²
Discharge in basins
0,4m³/s
Mean precip.
415mm/an
Mean T°
17,3°C
Moisture idx
-0,60
Mean runoff
15mm/an
Mean elev. (basins)
317m
Watersheds crossing here
Lakes (1, top by area)
Rivers / streams (2, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
5hab/km²
Night light
3,7nW
Built-up
171,8%
Pesticides
17,1kg/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